./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V --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 a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:53:09,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:53:09,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:53:09,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:53:09,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:53:09,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:53:09,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:53:09,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:53:09,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:53:09,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:53:09,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:53:09,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:53:09,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:53:09,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:53:09,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:53:09,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:53:09,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:53:09,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:53:09,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:53:09,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:53:09,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:53:09,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:53:09,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:53:09,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:53:09,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:53:09,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:53:09,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:53:09,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:53:09,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:53:09,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:53:09,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:53:09,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:53:09,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:53:09,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:53:09,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:53:09,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:53:09,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:53:09,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:53:09,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:53:09,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:53:09,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:53:09,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 03:53:09,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:53:09,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:53:09,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:53:09,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:53:09,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:53:09,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:53:09,330 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:53:09,331 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:53:09,331 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:53:09,332 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:53:09,332 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:53:09,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:53:09,333 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:53:09,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:53:09,334 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:53:09,334 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:53:09,335 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:53:09,335 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:53:09,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:53:09,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:53:09,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:53:09,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:53:09,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:53:09,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:53:09,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:53:09,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:53:09,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:53:09,339 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 03:53:09,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:53:09,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:53:09,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:53:09,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:53:09,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:53:09,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:53:09,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:53:09,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:53:09,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:53:09,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:53:09,341 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:53:09,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:53:09,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:53:09,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:53:09,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:53:09,345 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2021-11-23 03:53:09,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:53:09,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:53:09,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:53:09,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:53:09,657 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:53:09,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-23 03:53:09,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/data/6017b0eb0/4fb407b3c5bc4ef3add3d69b94fa98ed/FLAGc0755fdb7 [2021-11-23 03:53:10,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:53:10,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-23 03:53:10,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/data/6017b0eb0/4fb407b3c5bc4ef3add3d69b94fa98ed/FLAGc0755fdb7 [2021-11-23 03:53:10,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/data/6017b0eb0/4fb407b3c5bc4ef3add3d69b94fa98ed [2021-11-23 03:53:10,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:53:10,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:53:10,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:53:10,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:53:10,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:53:10,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:10" (1/1) ... [2021-11-23 03:53:10,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29607078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:10, skipping insertion in model container [2021-11-23 03:53:10,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:10" (1/1) ... [2021-11-23 03:53:10,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:53:10,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:53:11,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:53:11,251 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:53:11,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:53:11,428 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:53:11,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11 WrapperNode [2021-11-23 03:53:11,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:53:11,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:53:11,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:53:11,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:53:11,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,536 INFO L137 Inliner]: procedures = 370, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2021-11-23 03:53:11,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:53:11,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:53:11,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:53:11,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:53:11,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:53:11,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:53:11,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:53:11,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:53:11,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 03:53:11,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:53:11,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:53:11,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:53:11,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc77c17-b5dd-4493-9a7a-ebbb75383a88/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:53:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:53:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:53:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:53:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:53:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:53:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:53:11,719 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 03:53:11,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:53:11,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:53:11,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:53:11,719 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 03:53:11,719 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 03:53:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:53:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:53:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:53:11,721 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 03:53:11,919 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:53:11,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:53:12,407 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:53:12,418 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:53:12,419 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:53:12,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:12 BoogieIcfgContainer [2021-11-23 03:53:12,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:53:12,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:53:12,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:53:12,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:53:12,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:53:10" (1/3) ... [2021-11-23 03:53:12,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0201fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:12, skipping insertion in model container [2021-11-23 03:53:12,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (2/3) ... [2021-11-23 03:53:12,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0201fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:12, skipping insertion in model container [2021-11-23 03:53:12,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:12" (3/3) ... [2021-11-23 03:53:12,434 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2021-11-23 03:53:12,441 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 03:53:12,441 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:53:12,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-11-23 03:53:12,442 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 03:53:12,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:53:12,628 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 03:53:12,698 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:53:12,713 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:53:12,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-23 03:53:12,743 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 03:53:12,762 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 279 transitions, 563 flow [2021-11-23 03:53:12,772 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 279 transitions, 563 flow [2021-11-23 03:53:12,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 279 transitions, 563 flow [2021-11-23 03:53:13,015 INFO L129 PetriNetUnfolder]: 2/278 cut-off events. [2021-11-23 03:53:13,015 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 03:53:13,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 278 events. 2/278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 257 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-11-23 03:53:13,042 INFO L116 LiptonReduction]: Number of co-enabled transitions 19488 [2021-11-23 03:54:17,433 WARN L227 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:54:26,319 WARN L227 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:54:31,956 WARN L227 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:54:40,449 WARN L227 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:55:01,749 WARN L227 SmtUtils]: Spent 21.28s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:55:12,604 WARN L227 SmtUtils]: Spent 10.85s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:55:51,705 WARN L227 SmtUtils]: Spent 39.10s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:56:11,505 WARN L227 SmtUtils]: Spent 19.80s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 03:56:11,535 INFO L131 LiptonReduction]: Checked pairs total: 143976 [2021-11-23 03:56:11,535 INFO L133 LiptonReduction]: Total number of compositions: 173 [2021-11-23 03:56:11,548 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 131 transitions, 267 flow [2021-11-23 03:56:11,699 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-23 03:56:11,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:11,716 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-23 03:56:11,717 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:11,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:11,722 INFO L85 PathProgramCache]: Analyzing trace with hash 864, now seen corresponding path program 1 times [2021-11-23 03:56:11,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:11,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807287799] [2021-11-23 03:56:11,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:11,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:11,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:11,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807287799] [2021-11-23 03:56:11,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807287799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:11,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:11,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-23 03:56:11,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735846217] [2021-11-23 03:56:11,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:11,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:56:11,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:11,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:56:11,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:56:11,889 INFO L87 Difference]: Start difference. First operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 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) [2021-11-23 03:56:12,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:12,105 INFO L93 Difference]: Finished difference Result 3791 states and 7511 transitions. [2021-11-23 03:56:12,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:56:12,112 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 [2021-11-23 03:56:12,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:12,153 INFO L225 Difference]: With dead ends: 3791 [2021-11-23 03:56:12,154 INFO L226 Difference]: Without dead ends: 3791 [2021-11-23 03:56:12,154 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:56:12,158 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:12,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:56:12,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2021-11-23 03:56:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2021-11-23 03:56:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3791 states, 3712 states have (on average 2.0234375) internal successors, (7511), 3790 states have internal predecessors, (7511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 7511 transitions. [2021-11-23 03:56:12,392 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 7511 transitions. Word has length 1 [2021-11-23 03:56:12,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:12,393 INFO L470 AbstractCegarLoop]: Abstraction has 3791 states and 7511 transitions. [2021-11-23 03:56:12,393 INFO L471 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) [2021-11-23 03:56:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 7511 transitions. [2021-11-23 03:56:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:56:12,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:12,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:12,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:56:12,397 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:12,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:12,401 INFO L85 PathProgramCache]: Analyzing trace with hash 618582649, now seen corresponding path program 1 times [2021-11-23 03:56:12,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:12,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165705760] [2021-11-23 03:56:12,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:12,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:12,718 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:12,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165705760] [2021-11-23 03:56:12,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165705760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:12,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:12,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:56:12,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903638098] [2021-11-23 03:56:12,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:12,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:56:12,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:12,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:56:12,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:56:12,721 INFO L87 Difference]: Start difference. First operand 3791 states and 7511 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:13,828 INFO L93 Difference]: Finished difference Result 3996 states and 7917 transitions. [2021-11-23 03:56:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:56:13,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2021-11-23 03:56:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:13,862 INFO L225 Difference]: With dead ends: 3996 [2021-11-23 03:56:13,863 INFO L226 Difference]: Without dead ends: 3996 [2021-11-23 03:56:13,863 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:56:13,865 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 104 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:13,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 104 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 03:56:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-11-23 03:56:13,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3996. [2021-11-23 03:56:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3996 states, 3917 states have (on average 2.0211896859841714) internal successors, (7917), 3995 states have internal predecessors, (7917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 7917 transitions. [2021-11-23 03:56:14,008 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 7917 transitions. Word has length 8 [2021-11-23 03:56:14,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:14,008 INFO L470 AbstractCegarLoop]: Abstraction has 3996 states and 7917 transitions. [2021-11-23 03:56:14,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 7917 transitions. [2021-11-23 03:56:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 03:56:14,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:14,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:14,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:56:14,011 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:14,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:14,011 INFO L85 PathProgramCache]: Analyzing trace with hash -631771105, now seen corresponding path program 1 times [2021-11-23 03:56:14,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:14,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109416526] [2021-11-23 03:56:14,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:14,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:14,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:14,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109416526] [2021-11-23 03:56:14,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109416526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:14,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:14,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:56:14,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671031770] [2021-11-23 03:56:14,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:14,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:56:14,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:14,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:56:14,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:56:14,233 INFO L87 Difference]: Start difference. First operand 3996 states and 7917 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:15,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:15,795 INFO L93 Difference]: Finished difference Result 4331 states and 8587 transitions. [2021-11-23 03:56:15,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:56:15,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-11-23 03:56:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:15,828 INFO L225 Difference]: With dead ends: 4331 [2021-11-23 03:56:15,828 INFO L226 Difference]: Without dead ends: 4331 [2021-11-23 03:56:15,828 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:56:15,832 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 134 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:15,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 117 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 03:56:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-11-23 03:56:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4261. [2021-11-23 03:56:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 4182 states have (on average 2.0198469631755143) internal successors, (8447), 4260 states have internal predecessors, (8447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 8447 transitions. [2021-11-23 03:56:16,031 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 8447 transitions. Word has length 9 [2021-11-23 03:56:16,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:16,032 INFO L470 AbstractCegarLoop]: Abstraction has 4261 states and 8447 transitions. [2021-11-23 03:56:16,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 8447 transitions. [2021-11-23 03:56:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:16,035 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:16,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:16,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:56:16,038 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:16,039 INFO L85 PathProgramCache]: Analyzing trace with hash -782677637, now seen corresponding path program 1 times [2021-11-23 03:56:16,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:16,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532843616] [2021-11-23 03:56:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:16,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:16,351 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:16,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532843616] [2021-11-23 03:56:16,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532843616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:16,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:16,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:16,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874922223] [2021-11-23 03:56:16,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:16,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:16,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:16,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:16,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:16,354 INFO L87 Difference]: Start difference. First operand 4261 states and 8447 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:19,014 INFO L93 Difference]: Finished difference Result 8580 states and 16961 transitions. [2021-11-23 03:56:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 03:56:19,015 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:19,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:19,105 INFO L225 Difference]: With dead ends: 8580 [2021-11-23 03:56:19,105 INFO L226 Difference]: Without dead ends: 8580 [2021-11-23 03:56:19,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:19,107 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 637 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:19,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 601 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1628 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 03:56:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8580 states. [2021-11-23 03:56:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8580 to 4327. [2021-11-23 03:56:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4327 states, 4248 states have (on average 2.0204802259887007) internal successors, (8583), 4326 states have internal predecessors, (8583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 8583 transitions. [2021-11-23 03:56:19,305 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 8583 transitions. Word has length 11 [2021-11-23 03:56:19,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:19,305 INFO L470 AbstractCegarLoop]: Abstraction has 4327 states and 8583 transitions. [2021-11-23 03:56:19,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 8583 transitions. [2021-11-23 03:56:19,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:19,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:19,309 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:19,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:56:19,310 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:19,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:19,316 INFO L85 PathProgramCache]: Analyzing trace with hash 340723425, now seen corresponding path program 1 times [2021-11-23 03:56:19,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:19,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408686434] [2021-11-23 03:56:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:19,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:19,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:19,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408686434] [2021-11-23 03:56:19,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408686434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:19,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:19,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:19,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252718451] [2021-11-23 03:56:19,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:19,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:19,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:19,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:19,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:19,608 INFO L87 Difference]: Start difference. First operand 4327 states and 8583 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:22,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:22,360 INFO L93 Difference]: Finished difference Result 8381 states and 16563 transitions. [2021-11-23 03:56:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:56:22,360 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:22,386 INFO L225 Difference]: With dead ends: 8381 [2021-11-23 03:56:22,386 INFO L226 Difference]: Without dead ends: 8381 [2021-11-23 03:56:22,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:56:22,388 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 568 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:22,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 610 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 03:56:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8381 states. [2021-11-23 03:56:22,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8381 to 4356. [2021-11-23 03:56:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4356 states, 4277 states have (on average 2.0203413607668925) internal successors, (8641), 4355 states have internal predecessors, (8641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 8641 transitions. [2021-11-23 03:56:22,582 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 8641 transitions. Word has length 11 [2021-11-23 03:56:22,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:22,582 INFO L470 AbstractCegarLoop]: Abstraction has 4356 states and 8641 transitions. [2021-11-23 03:56:22,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 8641 transitions. [2021-11-23 03:56:22,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:22,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:22,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:22,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:56:22,590 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:22,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash 947558989, now seen corresponding path program 2 times [2021-11-23 03:56:22,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:22,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277217228] [2021-11-23 03:56:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:22,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:22,826 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:22,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277217228] [2021-11-23 03:56:22,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277217228] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:22,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:22,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:22,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65974779] [2021-11-23 03:56:22,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:22,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:22,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:22,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:22,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:22,827 INFO L87 Difference]: Start difference. First operand 4356 states and 8641 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:25,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:25,104 INFO L93 Difference]: Finished difference Result 4651 states and 9175 transitions. [2021-11-23 03:56:25,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:56:25,107 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:25,133 INFO L225 Difference]: With dead ends: 4651 [2021-11-23 03:56:25,133 INFO L226 Difference]: Without dead ends: 4651 [2021-11-23 03:56:25,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:25,136 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 338 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:25,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 450 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 03:56:25,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2021-11-23 03:56:25,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4351. [2021-11-23 03:56:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4351 states, 4272 states have (on average 2.020365168539326) internal successors, (8631), 4350 states have internal predecessors, (8631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 4351 states and 8631 transitions. [2021-11-23 03:56:25,284 INFO L78 Accepts]: Start accepts. Automaton has 4351 states and 8631 transitions. Word has length 11 [2021-11-23 03:56:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:25,285 INFO L470 AbstractCegarLoop]: Abstraction has 4351 states and 8631 transitions. [2021-11-23 03:56:25,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 4351 states and 8631 transitions. [2021-11-23 03:56:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:25,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:25,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:25,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:56:25,288 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:25,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:25,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1323708025, now seen corresponding path program 3 times [2021-11-23 03:56:25,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:25,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100824047] [2021-11-23 03:56:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:25,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:25,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:25,539 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:25,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100824047] [2021-11-23 03:56:25,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100824047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:25,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:25,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:25,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407744225] [2021-11-23 03:56:25,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:25,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:25,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:25,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:25,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:25,542 INFO L87 Difference]: Start difference. First operand 4351 states and 8631 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:28,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:28,495 INFO L93 Difference]: Finished difference Result 4621 states and 9115 transitions. [2021-11-23 03:56:28,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:56:28,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:28,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:28,510 INFO L225 Difference]: With dead ends: 4621 [2021-11-23 03:56:28,510 INFO L226 Difference]: Without dead ends: 4621 [2021-11-23 03:56:28,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:28,511 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 362 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:28,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 479 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 03:56:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4621 states. [2021-11-23 03:56:28,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4621 to 4346. [2021-11-23 03:56:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4267 states have (on average 2.0203890321068667) internal successors, (8621), 4345 states have internal predecessors, (8621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 8621 transitions. [2021-11-23 03:56:28,630 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 8621 transitions. Word has length 11 [2021-11-23 03:56:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:28,630 INFO L470 AbstractCegarLoop]: Abstraction has 4346 states and 8621 transitions. [2021-11-23 03:56:28,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 8621 transitions. [2021-11-23 03:56:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:28,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:28,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:28,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:56:28,632 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:28,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1534628305, now seen corresponding path program 4 times [2021-11-23 03:56:28,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:28,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552424622] [2021-11-23 03:56:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:28,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:28,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:28,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552424622] [2021-11-23 03:56:28,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552424622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:28,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:28,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:28,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323434576] [2021-11-23 03:56:28,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:28,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:28,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:28,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:28,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:28,861 INFO L87 Difference]: Start difference. First operand 4346 states and 8621 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:31,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:31,775 INFO L93 Difference]: Finished difference Result 4563 states and 8998 transitions. [2021-11-23 03:56:31,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:56:31,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:31,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:31,788 INFO L225 Difference]: With dead ends: 4563 [2021-11-23 03:56:31,789 INFO L226 Difference]: Without dead ends: 4563 [2021-11-23 03:56:31,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:31,790 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 380 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 2532 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 2587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:31,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 483 Invalid, 2587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 03:56:31,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4563 states. [2021-11-23 03:56:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4563 to 4336. [2021-11-23 03:56:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4336 states, 4257 states have (on average 2.019497298567066) internal successors, (8597), 4335 states have internal predecessors, (8597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 8597 transitions. [2021-11-23 03:56:31,896 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 8597 transitions. Word has length 11 [2021-11-23 03:56:31,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:31,896 INFO L470 AbstractCegarLoop]: Abstraction has 4336 states and 8597 transitions. [2021-11-23 03:56:31,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 8597 transitions. [2021-11-23 03:56:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:31,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:31,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:31,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:56:31,898 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash 798897489, now seen corresponding path program 5 times [2021-11-23 03:56:31,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:31,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983199766] [2021-11-23 03:56:31,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:31,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:32,103 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:32,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983199766] [2021-11-23 03:56:32,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983199766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:32,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:32,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:32,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858620288] [2021-11-23 03:56:32,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:32,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:32,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:32,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:32,105 INFO L87 Difference]: Start difference. First operand 4336 states and 8597 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:35,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:35,018 INFO L93 Difference]: Finished difference Result 12542 states and 24813 transitions. [2021-11-23 03:56:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 03:56:35,019 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:35,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:35,059 INFO L225 Difference]: With dead ends: 12542 [2021-11-23 03:56:35,059 INFO L226 Difference]: Without dead ends: 12542 [2021-11-23 03:56:35,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-23 03:56:35,060 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 718 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:35,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 676 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 03:56:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2021-11-23 03:56:35,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 4387. [2021-11-23 03:56:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4387 states, 4308 states have (on average 2.0201949860724233) internal successors, (8703), 4386 states have internal predecessors, (8703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 8703 transitions. [2021-11-23 03:56:35,241 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 8703 transitions. Word has length 11 [2021-11-23 03:56:35,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:35,241 INFO L470 AbstractCegarLoop]: Abstraction has 4387 states and 8703 transitions. [2021-11-23 03:56:35,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 8703 transitions. [2021-11-23 03:56:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:35,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:35,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:35,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 03:56:35,243 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:35,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:35,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1922298551, now seen corresponding path program 2 times [2021-11-23 03:56:35,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:35,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652905406] [2021-11-23 03:56:35,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:35,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:35,451 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:35,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652905406] [2021-11-23 03:56:35,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652905406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:35,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:35,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:35,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19428130] [2021-11-23 03:56:35,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:35,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:35,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:35,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:35,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:35,454 INFO L87 Difference]: Start difference. First operand 4387 states and 8703 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:37,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:37,820 INFO L93 Difference]: Finished difference Result 12355 states and 24439 transitions. [2021-11-23 03:56:37,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:56:37,821 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:37,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:37,843 INFO L225 Difference]: With dead ends: 12355 [2021-11-23 03:56:37,843 INFO L226 Difference]: Without dead ends: 12355 [2021-11-23 03:56:37,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:37,844 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 620 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:37,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 649 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 03:56:37,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12355 states. [2021-11-23 03:56:37,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12355 to 4366. [2021-11-23 03:56:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4366 states, 4287 states have (on average 2.0202939118264522) internal successors, (8661), 4365 states have internal predecessors, (8661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 8661 transitions. [2021-11-23 03:56:38,008 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 8661 transitions. Word has length 11 [2021-11-23 03:56:38,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:38,008 INFO L470 AbstractCegarLoop]: Abstraction has 4366 states and 8661 transitions. [2021-11-23 03:56:38,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 8661 transitions. [2021-11-23 03:56:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:38,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:38,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:38,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 03:56:38,041 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:38,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:38,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1101481365, now seen corresponding path program 3 times [2021-11-23 03:56:38,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:38,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52950339] [2021-11-23 03:56:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:38,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:38,356 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:38,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52950339] [2021-11-23 03:56:38,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52950339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:38,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:38,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:38,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452701450] [2021-11-23 03:56:38,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:38,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:38,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:38,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:38,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:38,359 INFO L87 Difference]: Start difference. First operand 4366 states and 8661 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:39,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:39,989 INFO L93 Difference]: Finished difference Result 8477 states and 16755 transitions. [2021-11-23 03:56:39,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:56:39,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:39,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:40,004 INFO L225 Difference]: With dead ends: 8477 [2021-11-23 03:56:40,004 INFO L226 Difference]: Without dead ends: 8477 [2021-11-23 03:56:40,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:56:40,005 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 405 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:40,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 399 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 03:56:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8477 states. [2021-11-23 03:56:40,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8477 to 4361. [2021-11-23 03:56:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4361 states, 4282 states have (on average 2.020317608594115) internal successors, (8651), 4360 states have internal predecessors, (8651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4361 states to 4361 states and 8651 transitions. [2021-11-23 03:56:40,195 INFO L78 Accepts]: Start accepts. Automaton has 4361 states and 8651 transitions. Word has length 11 [2021-11-23 03:56:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:40,196 INFO L470 AbstractCegarLoop]: Abstraction has 4361 states and 8651 transitions. [2021-11-23 03:56:40,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 4361 states and 8651 transitions. [2021-11-23 03:56:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:40,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:40,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:40,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 03:56:40,198 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:40,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:40,199 INFO L85 PathProgramCache]: Analyzing trace with hash -642784033, now seen corresponding path program 4 times [2021-11-23 03:56:40,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:40,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018221573] [2021-11-23 03:56:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:40,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:40,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:40,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018221573] [2021-11-23 03:56:40,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018221573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:40,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:40,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:40,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632044084] [2021-11-23 03:56:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:40,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:40,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:40,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:40,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:40,447 INFO L87 Difference]: Start difference. First operand 4361 states and 8651 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:42,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:42,711 INFO L93 Difference]: Finished difference Result 8447 states and 16695 transitions. [2021-11-23 03:56:42,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:56:42,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:42,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:42,725 INFO L225 Difference]: With dead ends: 8447 [2021-11-23 03:56:42,725 INFO L226 Difference]: Without dead ends: 8447 [2021-11-23 03:56:42,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:56:42,726 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 422 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:42,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 431 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 03:56:42,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8447 states. [2021-11-23 03:56:42,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8447 to 4356. [2021-11-23 03:56:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4356 states, 4277 states have (on average 2.0203413607668925) internal successors, (8641), 4355 states have internal predecessors, (8641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 8641 transitions. [2021-11-23 03:56:42,853 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 8641 transitions. Word has length 11 [2021-11-23 03:56:42,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:42,853 INFO L470 AbstractCegarLoop]: Abstraction has 4356 states and 8641 transitions. [2021-11-23 03:56:42,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:42,854 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 8641 transitions. [2021-11-23 03:56:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:42,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:42,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:42,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 03:56:42,855 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:42,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:42,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1008319603, now seen corresponding path program 5 times [2021-11-23 03:56:42,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:42,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301322541] [2021-11-23 03:56:42,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:42,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:43,087 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:43,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301322541] [2021-11-23 03:56:43,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301322541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:43,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:43,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:43,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420484386] [2021-11-23 03:56:43,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:43,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:43,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:43,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:43,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:43,089 INFO L87 Difference]: Start difference. First operand 4356 states and 8641 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:45,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:45,733 INFO L93 Difference]: Finished difference Result 8388 states and 16577 transitions. [2021-11-23 03:56:45,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:56:45,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:45,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:45,748 INFO L225 Difference]: With dead ends: 8388 [2021-11-23 03:56:45,749 INFO L226 Difference]: Without dead ends: 8388 [2021-11-23 03:56:45,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:45,750 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 461 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:45,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [461 Valid, 430 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 03:56:45,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8388 states. [2021-11-23 03:56:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8388 to 4346. [2021-11-23 03:56:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4267 states have (on average 2.0194516053433325) internal successors, (8617), 4345 states have internal predecessors, (8617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 8617 transitions. [2021-11-23 03:56:45,884 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 8617 transitions. Word has length 11 [2021-11-23 03:56:45,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:45,884 INFO L470 AbstractCegarLoop]: Abstraction has 4346 states and 8617 transitions. [2021-11-23 03:56:45,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 8617 transitions. [2021-11-23 03:56:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:45,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:45,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:45,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 03:56:45,886 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:45,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:45,887 INFO L85 PathProgramCache]: Analyzing trace with hash -395723853, now seen corresponding path program 6 times [2021-11-23 03:56:45,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:45,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081793243] [2021-11-23 03:56:45,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:45,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:46,089 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:46,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081793243] [2021-11-23 03:56:46,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081793243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:46,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:46,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:46,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121058228] [2021-11-23 03:56:46,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:46,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:46,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:46,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:46,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:46,093 INFO L87 Difference]: Start difference. First operand 4346 states and 8617 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:49,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:49,671 INFO L93 Difference]: Finished difference Result 8351 states and 16555 transitions. [2021-11-23 03:56:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 03:56:49,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:49,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:49,684 INFO L225 Difference]: With dead ends: 8351 [2021-11-23 03:56:49,684 INFO L226 Difference]: Without dead ends: 8351 [2021-11-23 03:56:49,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-23 03:56:49,685 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 667 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 2912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:49,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 504 Invalid, 2912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 03:56:49,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8351 states. [2021-11-23 03:56:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8351 to 4238. [2021-11-23 03:56:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4238 states, 4161 states have (on average 2.018985820716174) internal successors, (8401), 4237 states have internal predecessors, (8401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 8401 transitions. [2021-11-23 03:56:49,797 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 8401 transitions. Word has length 11 [2021-11-23 03:56:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:49,798 INFO L470 AbstractCegarLoop]: Abstraction has 4238 states and 8401 transitions. [2021-11-23 03:56:49,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 8401 transitions. [2021-11-23 03:56:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:49,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:49,799 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:49,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 03:56:49,800 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:49,800 INFO L85 PathProgramCache]: Analyzing trace with hash 727677209, now seen corresponding path program 6 times [2021-11-23 03:56:49,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:49,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606209223] [2021-11-23 03:56:49,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:49,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:50,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:50,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606209223] [2021-11-23 03:56:50,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606209223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:50,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:50,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:50,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502056506] [2021-11-23 03:56:50,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:50,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:50,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:50,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:50,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:50,004 INFO L87 Difference]: Start difference. First operand 4238 states and 8401 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:51,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:51,352 INFO L93 Difference]: Finished difference Result 8233 states and 16319 transitions. [2021-11-23 03:56:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:56:51,352 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:51,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:51,365 INFO L225 Difference]: With dead ends: 8233 [2021-11-23 03:56:51,366 INFO L226 Difference]: Without dead ends: 8233 [2021-11-23 03:56:51,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:51,368 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 629 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:51,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 435 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:56:51,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8233 states. [2021-11-23 03:56:51,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8233 to 4192. [2021-11-23 03:56:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4192 states, 4115 states have (on average 2.019198055893074) internal successors, (8309), 4191 states have internal predecessors, (8309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 4192 states and 8309 transitions. [2021-11-23 03:56:51,474 INFO L78 Accepts]: Start accepts. Automaton has 4192 states and 8309 transitions. Word has length 11 [2021-11-23 03:56:51,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:51,474 INFO L470 AbstractCegarLoop]: Abstraction has 4192 states and 8309 transitions. [2021-11-23 03:56:51,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 8309 transitions. [2021-11-23 03:56:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:51,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:51,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:51,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 03:56:51,476 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:51,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:51,476 INFO L85 PathProgramCache]: Analyzing trace with hash -93139977, now seen corresponding path program 7 times [2021-11-23 03:56:51,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:51,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163277365] [2021-11-23 03:56:51,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:51,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:51,661 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:51,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163277365] [2021-11-23 03:56:51,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163277365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:51,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:51,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:51,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186391659] [2021-11-23 03:56:51,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:51,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:51,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:51,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:51,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:51,663 INFO L87 Difference]: Start difference. First operand 4192 states and 8309 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:53,149 INFO L93 Difference]: Finished difference Result 8356 states and 16565 transitions. [2021-11-23 03:56:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:56:53,159 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:53,171 INFO L225 Difference]: With dead ends: 8356 [2021-11-23 03:56:53,171 INFO L226 Difference]: Without dead ends: 8356 [2021-11-23 03:56:53,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:56:53,172 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 402 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:53,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 312 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 03:56:53,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8356 states. [2021-11-23 03:56:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8356 to 4193. [2021-11-23 03:56:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4116 states have (on average 2.0191933916423714) internal successors, (8311), 4192 states have internal predecessors, (8311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8311 transitions. [2021-11-23 03:56:53,252 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8311 transitions. Word has length 11 [2021-11-23 03:56:53,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:53,253 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8311 transitions. [2021-11-23 03:56:53,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8311 transitions. [2021-11-23 03:56:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:53,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:53,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:53,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 03:56:53,254 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:53,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:53,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1837405375, now seen corresponding path program 8 times [2021-11-23 03:56:53,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:53,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280139643] [2021-11-23 03:56:53,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:53,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:53,461 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:53,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280139643] [2021-11-23 03:56:53,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280139643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:53,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:53,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:53,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060209755] [2021-11-23 03:56:53,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:53,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:53,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:53,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:53,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:53,462 INFO L87 Difference]: Start difference. First operand 4193 states and 8311 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:54,794 INFO L93 Difference]: Finished difference Result 8326 states and 16505 transitions. [2021-11-23 03:56:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:56:54,795 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:54,807 INFO L225 Difference]: With dead ends: 8326 [2021-11-23 03:56:54,807 INFO L226 Difference]: Without dead ends: 8326 [2021-11-23 03:56:54,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:56:54,808 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 422 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:54,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 307 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:56:54,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8326 states. [2021-11-23 03:56:54,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8326 to 4194. [2021-11-23 03:56:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4194 states, 4117 states have (on average 2.0191887296575177) internal successors, (8313), 4193 states have internal predecessors, (8313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 8313 transitions. [2021-11-23 03:56:54,897 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 8313 transitions. Word has length 11 [2021-11-23 03:56:54,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:54,897 INFO L470 AbstractCegarLoop]: Abstraction has 4194 states and 8313 transitions. [2021-11-23 03:56:54,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 8313 transitions. [2021-11-23 03:56:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:54,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:54,898 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:54,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 03:56:54,899 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:54,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:54,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2092026351, now seen corresponding path program 9 times [2021-11-23 03:56:54,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:54,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717614615] [2021-11-23 03:56:54,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:54,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:55,118 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:55,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717614615] [2021-11-23 03:56:55,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717614615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:55,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:55,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:55,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85590240] [2021-11-23 03:56:55,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:55,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:55,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:55,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:55,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:55,121 INFO L87 Difference]: Start difference. First operand 4194 states and 8313 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:57,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:57,636 INFO L93 Difference]: Finished difference Result 8267 states and 16387 transitions. [2021-11-23 03:56:57,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:56:57,636 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:57,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:57,649 INFO L225 Difference]: With dead ends: 8267 [2021-11-23 03:56:57,649 INFO L226 Difference]: Without dead ends: 8267 [2021-11-23 03:56:57,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:56:57,650 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 452 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 2201 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:57,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [452 Valid, 346 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2201 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 03:56:57,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8267 states. [2021-11-23 03:56:57,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8267 to 4191. [2021-11-23 03:56:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4114 states have (on average 2.0192027224112787) internal successors, (8307), 4190 states have internal predecessors, (8307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8307 transitions. [2021-11-23 03:56:57,728 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8307 transitions. Word has length 11 [2021-11-23 03:56:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:57,729 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8307 transitions. [2021-11-23 03:56:57,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8307 transitions. [2021-11-23 03:56:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:57,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:57,729 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:57,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 03:56:57,730 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:57,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:57,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1105071713, now seen corresponding path program 10 times [2021-11-23 03:56:57,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:57,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162672352] [2021-11-23 03:56:57,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:57,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:57,931 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:57,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162672352] [2021-11-23 03:56:57,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162672352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:57,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:57,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:57,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470474138] [2021-11-23 03:56:57,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:57,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:57,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:57,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:57,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:57,933 INFO L87 Difference]: Start difference. First operand 4191 states and 8307 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:59,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:59,100 INFO L93 Difference]: Finished difference Result 4292 states and 8509 transitions. [2021-11-23 03:56:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:56:59,101 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:56:59,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:59,106 INFO L225 Difference]: With dead ends: 4292 [2021-11-23 03:56:59,107 INFO L226 Difference]: Without dead ends: 4292 [2021-11-23 03:56:59,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:56:59,107 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 185 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:59,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 144 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 03:56:59,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2021-11-23 03:56:59,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4176. [2021-11-23 03:56:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4176 states, 4099 states have (on average 2.0192729934130274) internal successors, (8277), 4175 states have internal predecessors, (8277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:56:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 8277 transitions. [2021-11-23 03:56:59,200 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 8277 transitions. Word has length 11 [2021-11-23 03:56:59,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:59,202 INFO L470 AbstractCegarLoop]: Abstraction has 4176 states and 8277 transitions. [2021-11-23 03:56:59,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:56:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 8277 transitions. [2021-11-23 03:56:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:56:59,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:59,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:59,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 03:56:59,208 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:56:59,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:59,208 INFO L85 PathProgramCache]: Analyzing trace with hash -639193685, now seen corresponding path program 11 times [2021-11-23 03:56:59,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:59,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370385365] [2021-11-23 03:56:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:59,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:59,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:59,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370385365] [2021-11-23 03:56:59,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370385365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:59,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:59,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:56:59,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648495452] [2021-11-23 03:56:59,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:59,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:56:59,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:59,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:56:59,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:56:59,411 INFO L87 Difference]: Start difference. First operand 4176 states and 8277 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:00,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:00,655 INFO L93 Difference]: Finished difference Result 4328 states and 8581 transitions. [2021-11-23 03:57:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:57:00,656 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:57:00,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:00,661 INFO L225 Difference]: With dead ends: 4328 [2021-11-23 03:57:00,662 INFO L226 Difference]: Without dead ends: 4328 [2021-11-23 03:57:00,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:57:00,662 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 174 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:00,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 151 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 03:57:00,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2021-11-23 03:57:00,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4177. [2021-11-23 03:57:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4100 states have (on average 2.0192682926829266) internal successors, (8279), 4176 states have internal predecessors, (8279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8279 transitions. [2021-11-23 03:57:00,721 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8279 transitions. Word has length 11 [2021-11-23 03:57:00,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:00,721 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8279 transitions. [2021-11-23 03:57:00,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8279 transitions. [2021-11-23 03:57:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:57:00,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:00,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:00,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-23 03:57:00,723 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:00,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1004729255, now seen corresponding path program 12 times [2021-11-23 03:57:00,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:00,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172962989] [2021-11-23 03:57:00,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:00,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:00,933 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:00,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172962989] [2021-11-23 03:57:00,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172962989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:00,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:00,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:00,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109823234] [2021-11-23 03:57:00,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:00,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:00,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:00,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:00,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:00,934 INFO L87 Difference]: Start difference. First operand 4177 states and 8279 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:02,021 INFO L93 Difference]: Finished difference Result 4269 states and 8463 transitions. [2021-11-23 03:57:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:02,021 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:57:02,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:02,027 INFO L225 Difference]: With dead ends: 4269 [2021-11-23 03:57:02,027 INFO L226 Difference]: Without dead ends: 4269 [2021-11-23 03:57:02,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:02,028 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 185 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:02,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 144 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 03:57:02,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2021-11-23 03:57:02,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 4175. [2021-11-23 03:57:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4175 states, 4098 states have (on average 2.0192776964372863) internal successors, (8275), 4174 states have internal predecessors, (8275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 4175 states and 8275 transitions. [2021-11-23 03:57:02,087 INFO L78 Accepts]: Start accepts. Automaton has 4175 states and 8275 transitions. Word has length 11 [2021-11-23 03:57:02,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:02,088 INFO L470 AbstractCegarLoop]: Abstraction has 4175 states and 8275 transitions. [2021-11-23 03:57:02,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 8275 transitions. [2021-11-23 03:57:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:57:02,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:02,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:02,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-23 03:57:02,089 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:02,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:02,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1982623001, now seen corresponding path program 13 times [2021-11-23 03:57:02,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:02,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138366125] [2021-11-23 03:57:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:02,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:02,310 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:02,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138366125] [2021-11-23 03:57:02,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138366125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:02,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:02,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:02,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983795621] [2021-11-23 03:57:02,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:02,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:02,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:02,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:02,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:02,312 INFO L87 Difference]: Start difference. First operand 4175 states and 8275 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:03,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:03,932 INFO L93 Difference]: Finished difference Result 4261 states and 8447 transitions. [2021-11-23 03:57:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:57:03,932 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:57:03,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:03,938 INFO L225 Difference]: With dead ends: 4261 [2021-11-23 03:57:03,938 INFO L226 Difference]: Without dead ends: 4261 [2021-11-23 03:57:03,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:57:03,939 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 198 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:03,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 163 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 03:57:03,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2021-11-23 03:57:03,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4160. [2021-11-23 03:57:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4160 states, 4083 states have (on average 2.0193485182463875) internal successors, (8245), 4159 states have internal predecessors, (8245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 8245 transitions. [2021-11-23 03:57:03,995 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 8245 transitions. Word has length 11 [2021-11-23 03:57:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:03,995 INFO L470 AbstractCegarLoop]: Abstraction has 4160 states and 8245 transitions. [2021-11-23 03:57:03,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 8245 transitions. [2021-11-23 03:57:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:57:03,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:03,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:03,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-23 03:57:03,996 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:03,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:03,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1617087431, now seen corresponding path program 14 times [2021-11-23 03:57:03,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:03,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187319387] [2021-11-23 03:57:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:03,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:04,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:04,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187319387] [2021-11-23 03:57:04,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187319387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:04,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:04,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:04,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67626016] [2021-11-23 03:57:04,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:04,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:04,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:04,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:04,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:04,213 INFO L87 Difference]: Start difference. First operand 4160 states and 8245 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:06,031 INFO L93 Difference]: Finished difference Result 4251 states and 8427 transitions. [2021-11-23 03:57:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:06,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:57:06,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:06,038 INFO L225 Difference]: With dead ends: 4251 [2021-11-23 03:57:06,038 INFO L226 Difference]: Without dead ends: 4251 [2021-11-23 03:57:06,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:57:06,039 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 189 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:06,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 168 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 03:57:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2021-11-23 03:57:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 4159. [2021-11-23 03:57:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4159 states, 4082 states have (on average 2.0193532582067615) internal successors, (8243), 4158 states have internal predecessors, (8243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 4159 states and 8243 transitions. [2021-11-23 03:57:06,099 INFO L78 Accepts]: Start accepts. Automaton has 4159 states and 8243 transitions. Word has length 11 [2021-11-23 03:57:06,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:06,100 INFO L470 AbstractCegarLoop]: Abstraction has 4159 states and 8243 transitions. [2021-11-23 03:57:06,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 8243 transitions. [2021-11-23 03:57:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:57:06,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:06,101 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:06,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-23 03:57:06,101 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:06,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:06,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1235403167, now seen corresponding path program 15 times [2021-11-23 03:57:06,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:06,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122180799] [2021-11-23 03:57:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:06,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:06,315 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:06,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122180799] [2021-11-23 03:57:06,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122180799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:06,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:06,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:06,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530947183] [2021-11-23 03:57:06,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:06,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:06,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:06,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:06,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:06,317 INFO L87 Difference]: Start difference. First operand 4159 states and 8243 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:08,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:08,469 INFO L93 Difference]: Finished difference Result 4201 states and 8327 transitions. [2021-11-23 03:57:08,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:57:08,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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 [2021-11-23 03:57:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:08,475 INFO L225 Difference]: With dead ends: 4201 [2021-11-23 03:57:08,475 INFO L226 Difference]: Without dead ends: 4201 [2021-11-23 03:57:08,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:57:08,476 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 236 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:08,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 177 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:57:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4201 states. [2021-11-23 03:57:08,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4201 to 4113. [2021-11-23 03:57:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4037 states have (on average 2.019073569482289) internal successors, (8151), 4112 states have internal predecessors, (8151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 8151 transitions. [2021-11-23 03:57:08,538 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 8151 transitions. Word has length 11 [2021-11-23 03:57:08,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:08,538 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 8151 transitions. [2021-11-23 03:57:08,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2021-11-23 03:57:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 8151 transitions. [2021-11-23 03:57:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 03:57:08,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:08,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:08,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-23 03:57:08,539 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:08,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:08,540 INFO L85 PathProgramCache]: Analyzing trace with hash -813973425, now seen corresponding path program 1 times [2021-11-23 03:57:08,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:08,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799509425] [2021-11-23 03:57:08,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:08,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:08,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:08,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799509425] [2021-11-23 03:57:08,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799509425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:08,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:08,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:57:08,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155599442] [2021-11-23 03:57:08,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:08,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:57:08,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:57:08,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:57:08,637 INFO L87 Difference]: Start difference. First operand 4113 states and 8151 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:09,350 INFO L93 Difference]: Finished difference Result 4314 states and 8549 transitions. [2021-11-23 03:57:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:57:09,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-11-23 03:57:09,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:09,357 INFO L225 Difference]: With dead ends: 4314 [2021-11-23 03:57:09,358 INFO L226 Difference]: Without dead ends: 4314 [2021-11-23 03:57:09,358 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:57:09,358 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 100 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:09,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 108 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 03:57:09,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2021-11-23 03:57:09,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4314. [2021-11-23 03:57:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4314 states, 4238 states have (on average 2.0172251061821616) internal successors, (8549), 4313 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 8549 transitions. [2021-11-23 03:57:09,416 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 8549 transitions. Word has length 14 [2021-11-23 03:57:09,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:09,416 INFO L470 AbstractCegarLoop]: Abstraction has 4314 states and 8549 transitions. [2021-11-23 03:57:09,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 8549 transitions. [2021-11-23 03:57:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 03:57:09,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:09,418 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:09,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-23 03:57:09,418 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:09,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1295083854, now seen corresponding path program 1 times [2021-11-23 03:57:09,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:09,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438475928] [2021-11-23 03:57:09,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:09,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:09,518 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:09,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438475928] [2021-11-23 03:57:09,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438475928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:09,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:09,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:57:09,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228332483] [2021-11-23 03:57:09,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:09,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:57:09,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:57:09,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:57:09,520 INFO L87 Difference]: Start difference. First operand 4314 states and 8549 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2021-11-23 03:57:10,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:10,375 INFO L93 Difference]: Finished difference Result 4575 states and 9071 transitions. [2021-11-23 03:57:10,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:57:10,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 [2021-11-23 03:57:10,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:10,382 INFO L225 Difference]: With dead ends: 4575 [2021-11-23 03:57:10,382 INFO L226 Difference]: Without dead ends: 4575 [2021-11-23 03:57:10,382 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:57:10,382 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 128 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:10,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 111 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 03:57:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-11-23 03:57:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4575. [2021-11-23 03:57:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 4499 states have (on average 2.0162258279617693) internal successors, (9071), 4574 states have internal predecessors, (9071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 9071 transitions. [2021-11-23 03:57:10,470 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 9071 transitions. Word has length 15 [2021-11-23 03:57:10,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:10,470 INFO L470 AbstractCegarLoop]: Abstraction has 4575 states and 9071 transitions. [2021-11-23 03:57:10,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2021-11-23 03:57:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 9071 transitions. [2021-11-23 03:57:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:10,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:10,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:10,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-23 03:57:10,471 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:10,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:10,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1809149446, now seen corresponding path program 1 times [2021-11-23 03:57:10,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:10,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805695358] [2021-11-23 03:57:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:10,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:10,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:10,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805695358] [2021-11-23 03:57:10,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805695358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:10,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:10,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:10,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067816107] [2021-11-23 03:57:10,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:10,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:10,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:10,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:10,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:10,666 INFO L87 Difference]: Start difference. First operand 4575 states and 9071 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:13,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:13,382 INFO L93 Difference]: Finished difference Result 9084 states and 17962 transitions. [2021-11-23 03:57:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 03:57:13,382 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:13,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:13,397 INFO L225 Difference]: With dead ends: 9084 [2021-11-23 03:57:13,397 INFO L226 Difference]: Without dead ends: 9084 [2021-11-23 03:57:13,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:13,398 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 619 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:13,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 605 Invalid, 2073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 03:57:13,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9084 states. [2021-11-23 03:57:13,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9084 to 4719. [2021-11-23 03:57:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4719 states, 4643 states have (on average 2.01572259315098) internal successors, (9359), 4718 states have internal predecessors, (9359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4719 states to 4719 states and 9359 transitions. [2021-11-23 03:57:13,517 INFO L78 Accepts]: Start accepts. Automaton has 4719 states and 9359 transitions. Word has length 17 [2021-11-23 03:57:13,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:13,518 INFO L470 AbstractCegarLoop]: Abstraction has 4719 states and 9359 transitions. [2021-11-23 03:57:13,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4719 states and 9359 transitions. [2021-11-23 03:57:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:13,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:13,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:13,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-23 03:57:13,519 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1395305543, now seen corresponding path program 1 times [2021-11-23 03:57:13,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:13,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122642611] [2021-11-23 03:57:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:13,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:13,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:13,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122642611] [2021-11-23 03:57:13,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122642611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:13,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:13,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:13,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401721813] [2021-11-23 03:57:13,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:13,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:13,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:13,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:13,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:13,728 INFO L87 Difference]: Start difference. First operand 4719 states and 9359 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:15,690 INFO L93 Difference]: Finished difference Result 9012 states and 17818 transitions. [2021-11-23 03:57:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:15,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:15,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:15,705 INFO L225 Difference]: With dead ends: 9012 [2021-11-23 03:57:15,705 INFO L226 Difference]: Without dead ends: 9012 [2021-11-23 03:57:15,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:15,706 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 584 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:15,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 584 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 03:57:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9012 states. [2021-11-23 03:57:15,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9012 to 4729. [2021-11-23 03:57:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-23 03:57:15,796 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-23 03:57:15,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:15,796 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-23 03:57:15,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-23 03:57:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:15,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:15,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:15,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-23 03:57:15,798 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:15,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:15,799 INFO L85 PathProgramCache]: Analyzing trace with hash 965163320, now seen corresponding path program 2 times [2021-11-23 03:57:15,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:15,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071465034] [2021-11-23 03:57:15,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:15,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:16,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:16,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071465034] [2021-11-23 03:57:16,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071465034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:16,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:16,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:16,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141884664] [2021-11-23 03:57:16,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:16,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:16,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:16,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:16,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:16,043 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:19,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:19,056 INFO L93 Difference]: Finished difference Result 4846 states and 9561 transitions. [2021-11-23 03:57:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:19,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:19,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:19,063 INFO L225 Difference]: With dead ends: 4846 [2021-11-23 03:57:19,064 INFO L226 Difference]: Without dead ends: 4846 [2021-11-23 03:57:19,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:19,065 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 358 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:19,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 464 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 03:57:19,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2021-11-23 03:57:19,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4729. [2021-11-23 03:57:19,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-23 03:57:19,165 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-23 03:57:19,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:19,166 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-23 03:57:19,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-23 03:57:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:19,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:19,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:19,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-23 03:57:19,168 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash 971678900, now seen corresponding path program 3 times [2021-11-23 03:57:19,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:19,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359000870] [2021-11-23 03:57:19,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:19,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:19,377 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:19,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359000870] [2021-11-23 03:57:19,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359000870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:19,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:19,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:19,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014506003] [2021-11-23 03:57:19,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:19,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:19,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:19,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:19,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:19,379 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:21,938 INFO L93 Difference]: Finished difference Result 4874 states and 9617 transitions. [2021-11-23 03:57:21,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:57:21,945 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:21,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:21,952 INFO L225 Difference]: With dead ends: 4874 [2021-11-23 03:57:21,952 INFO L226 Difference]: Without dead ends: 4874 [2021-11-23 03:57:21,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:57:21,953 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 363 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:21,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 453 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 03:57:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4874 states. [2021-11-23 03:57:22,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4874 to 4729. [2021-11-23 03:57:22,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-23 03:57:22,047 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-23 03:57:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:22,048 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-23 03:57:22,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-23 03:57:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:22,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:22,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:22,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-23 03:57:22,050 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:22,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:22,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1174555610, now seen corresponding path program 4 times [2021-11-23 03:57:22,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:22,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553934622] [2021-11-23 03:57:22,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:22,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:22,264 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:22,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553934622] [2021-11-23 03:57:22,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553934622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:22,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:22,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:22,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044689700] [2021-11-23 03:57:22,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:22,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:22,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:22,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:22,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:22,266 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:24,817 INFO L93 Difference]: Finished difference Result 4901 states and 9672 transitions. [2021-11-23 03:57:24,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:57:24,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:24,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:24,824 INFO L225 Difference]: With dead ends: 4901 [2021-11-23 03:57:24,825 INFO L226 Difference]: Without dead ends: 4901 [2021-11-23 03:57:24,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:24,826 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 308 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:24,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 457 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 03:57:24,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2021-11-23 03:57:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 4729. [2021-11-23 03:57:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-23 03:57:24,897 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-23 03:57:24,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:24,898 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-23 03:57:24,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:24,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-23 03:57:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:24,899 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:24,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:24,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-23 03:57:24,900 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:24,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:24,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1098495342, now seen corresponding path program 5 times [2021-11-23 03:57:24,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:24,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582913642] [2021-11-23 03:57:24,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:24,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:25,095 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:25,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582913642] [2021-11-23 03:57:25,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582913642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:25,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:25,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:25,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127921731] [2021-11-23 03:57:25,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:25,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:25,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:25,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:25,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:25,101 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:27,249 INFO L93 Difference]: Finished difference Result 4896 states and 9662 transitions. [2021-11-23 03:57:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:57:27,251 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:27,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:27,258 INFO L225 Difference]: With dead ends: 4896 [2021-11-23 03:57:27,259 INFO L226 Difference]: Without dead ends: 4896 [2021-11-23 03:57:27,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:27,260 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 283 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 1927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:27,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 445 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:57:27,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4896 states. [2021-11-23 03:57:27,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4896 to 4696. [2021-11-23 03:57:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4696 states, 4620 states have (on average 2.0158008658008657) internal successors, (9313), 4695 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 9313 transitions. [2021-11-23 03:57:27,335 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 9313 transitions. Word has length 17 [2021-11-23 03:57:27,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:27,335 INFO L470 AbstractCegarLoop]: Abstraction has 4696 states and 9313 transitions. [2021-11-23 03:57:27,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 9313 transitions. [2021-11-23 03:57:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:27,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:27,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:27,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-23 03:57:27,337 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:27,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:27,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1068972720, now seen corresponding path program 6 times [2021-11-23 03:57:27,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:27,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004901607] [2021-11-23 03:57:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:27,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:27,545 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:27,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004901607] [2021-11-23 03:57:27,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004901607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:27,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:27,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:27,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469739780] [2021-11-23 03:57:27,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:27,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:27,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:27,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:27,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:27,547 INFO L87 Difference]: Start difference. First operand 4696 states and 9313 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:29,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:29,874 INFO L93 Difference]: Finished difference Result 13311 states and 26340 transitions. [2021-11-23 03:57:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 03:57:29,875 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:29,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:29,896 INFO L225 Difference]: With dead ends: 13311 [2021-11-23 03:57:29,896 INFO L226 Difference]: Without dead ends: 13311 [2021-11-23 03:57:29,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-11-23 03:57:29,897 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 637 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:29,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 664 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 03:57:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13311 states. [2021-11-23 03:57:29,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13311 to 4839. [2021-11-23 03:57:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4839 states, 4763 states have (on average 2.0153264749107707) internal successors, (9599), 4838 states have internal predecessors, (9599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4839 states to 4839 states and 9599 transitions. [2021-11-23 03:57:30,002 INFO L78 Accepts]: Start accepts. Automaton has 4839 states and 9599 transitions. Word has length 17 [2021-11-23 03:57:30,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:30,002 INFO L470 AbstractCegarLoop]: Abstraction has 4839 states and 9599 transitions. [2021-11-23 03:57:30,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 4839 states and 9599 transitions. [2021-11-23 03:57:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:30,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:30,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:30,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-23 03:57:30,003 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:30,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:30,004 INFO L85 PathProgramCache]: Analyzing trace with hash -655128817, now seen corresponding path program 2 times [2021-11-23 03:57:30,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:30,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72707825] [2021-11-23 03:57:30,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:30,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:30,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:30,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72707825] [2021-11-23 03:57:30,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72707825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:30,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:30,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:30,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321807572] [2021-11-23 03:57:30,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:30,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:30,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:30,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:30,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:30,206 INFO L87 Difference]: Start difference. First operand 4839 states and 9599 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:32,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:32,156 INFO L93 Difference]: Finished difference Result 13312 states and 26342 transitions. [2021-11-23 03:57:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:57:32,157 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:32,178 INFO L225 Difference]: With dead ends: 13312 [2021-11-23 03:57:32,178 INFO L226 Difference]: Without dead ends: 13312 [2021-11-23 03:57:32,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:57:32,179 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 611 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:32,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [611 Valid, 657 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 03:57:32,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13312 states. [2021-11-23 03:57:32,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13312 to 4739. [2021-11-23 03:57:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4739 states, 4663 states have (on average 2.0156551576238475) internal successors, (9399), 4738 states have internal predecessors, (9399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4739 states and 9399 transitions. [2021-11-23 03:57:32,285 INFO L78 Accepts]: Start accepts. Automaton has 4739 states and 9399 transitions. Word has length 17 [2021-11-23 03:57:32,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:32,285 INFO L470 AbstractCegarLoop]: Abstraction has 4739 states and 9399 transitions. [2021-11-23 03:57:32,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 4739 states and 9399 transitions. [2021-11-23 03:57:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:32,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:32,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:32,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-23 03:57:32,286 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:32,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:32,287 INFO L85 PathProgramCache]: Analyzing trace with hash 458703765, now seen corresponding path program 3 times [2021-11-23 03:57:32,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:32,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301619022] [2021-11-23 03:57:32,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:32,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:32,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:32,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301619022] [2021-11-23 03:57:32,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301619022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:32,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:32,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:32,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343548292] [2021-11-23 03:57:32,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:32,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:32,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:32,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:32,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:32,495 INFO L87 Difference]: Start difference. First operand 4739 states and 9399 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:34,183 INFO L93 Difference]: Finished difference Result 9104 states and 18002 transitions. [2021-11-23 03:57:34,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:34,183 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:34,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:34,197 INFO L225 Difference]: With dead ends: 9104 [2021-11-23 03:57:34,197 INFO L226 Difference]: Without dead ends: 9104 [2021-11-23 03:57:34,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:34,200 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 399 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:34,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 413 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 03:57:34,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9104 states. [2021-11-23 03:57:34,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9104 to 4728. [2021-11-23 03:57:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4728 states, 4652 states have (on average 2.0156921754084265) internal successors, (9377), 4727 states have internal predecessors, (9377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4728 states to 4728 states and 9377 transitions. [2021-11-23 03:57:34,287 INFO L78 Accepts]: Start accepts. Automaton has 4728 states and 9377 transitions. Word has length 17 [2021-11-23 03:57:34,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:34,287 INFO L470 AbstractCegarLoop]: Abstraction has 4728 states and 9377 transitions. [2021-11-23 03:57:34,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4728 states and 9377 transitions. [2021-11-23 03:57:34,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:34,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:34,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:34,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-23 03:57:34,289 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:34,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:34,289 INFO L85 PathProgramCache]: Analyzing trace with hash -205042063, now seen corresponding path program 4 times [2021-11-23 03:57:34,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:34,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896297376] [2021-11-23 03:57:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:34,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:34,519 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:34,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896297376] [2021-11-23 03:57:34,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896297376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:34,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:34,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:34,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837161074] [2021-11-23 03:57:34,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:34,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:34,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:34,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:34,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:34,521 INFO L87 Difference]: Start difference. First operand 4728 states and 9377 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:36,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:36,515 INFO L93 Difference]: Finished difference Result 9076 states and 17946 transitions. [2021-11-23 03:57:36,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:36,515 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:36,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:36,529 INFO L225 Difference]: With dead ends: 9076 [2021-11-23 03:57:36,530 INFO L226 Difference]: Without dead ends: 9076 [2021-11-23 03:57:36,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:36,530 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 418 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:36,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 423 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 03:57:36,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2021-11-23 03:57:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 4717. [2021-11-23 03:57:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4717 states, 4641 states have (on average 2.015729368670545) internal successors, (9355), 4716 states have internal predecessors, (9355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4717 states to 4717 states and 9355 transitions. [2021-11-23 03:57:36,621 INFO L78 Accepts]: Start accepts. Automaton has 4717 states and 9355 transitions. Word has length 17 [2021-11-23 03:57:36,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:36,622 INFO L470 AbstractCegarLoop]: Abstraction has 4717 states and 9355 transitions. [2021-11-23 03:57:36,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 9355 transitions. [2021-11-23 03:57:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:36,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:36,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:36,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-23 03:57:36,624 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:36,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:36,624 INFO L85 PathProgramCache]: Analyzing trace with hash -603645643, now seen corresponding path program 5 times [2021-11-23 03:57:36,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:36,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14965861] [2021-11-23 03:57:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:36,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:36,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:36,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14965861] [2021-11-23 03:57:36,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14965861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:36,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:36,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:36,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941321725] [2021-11-23 03:57:36,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:36,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:36,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:36,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:36,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:36,816 INFO L87 Difference]: Start difference. First operand 4717 states and 9355 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:39,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:39,836 INFO L93 Difference]: Finished difference Result 9021 states and 17836 transitions. [2021-11-23 03:57:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:57:39,837 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:39,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:39,850 INFO L225 Difference]: With dead ends: 9021 [2021-11-23 03:57:39,850 INFO L226 Difference]: Without dead ends: 9021 [2021-11-23 03:57:39,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:57:39,851 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 449 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 2409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:39,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 447 Invalid, 2409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 03:57:39,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2021-11-23 03:57:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 4707. [2021-11-23 03:57:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4707 states, 4631 states have (on average 2.0157633340531205) internal successors, (9335), 4706 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 9335 transitions. [2021-11-23 03:57:39,938 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 9335 transitions. Word has length 17 [2021-11-23 03:57:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:39,938 INFO L470 AbstractCegarLoop]: Abstraction has 4707 states and 9335 transitions. [2021-11-23 03:57:39,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 9335 transitions. [2021-11-23 03:57:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:39,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:39,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:39,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-23 03:57:39,939 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:39,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:39,940 INFO L85 PathProgramCache]: Analyzing trace with hash 939162162, now seen corresponding path program 7 times [2021-11-23 03:57:39,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:39,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271198199] [2021-11-23 03:57:39,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:39,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:40,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:40,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271198199] [2021-11-23 03:57:40,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271198199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:40,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:40,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:40,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542792793] [2021-11-23 03:57:40,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:40,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:40,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:40,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:40,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:40,190 INFO L87 Difference]: Start difference. First operand 4707 states and 9335 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:42,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:42,330 INFO L93 Difference]: Finished difference Result 8874 states and 17593 transitions. [2021-11-23 03:57:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 03:57:42,330 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:42,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:42,344 INFO L225 Difference]: With dead ends: 8874 [2021-11-23 03:57:42,344 INFO L226 Difference]: Without dead ends: 8874 [2021-11-23 03:57:42,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-23 03:57:42,345 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 647 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:42,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [647 Valid, 454 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 03:57:42,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2021-11-23 03:57:42,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 4623. [2021-11-23 03:57:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4623 states, 4548 states have (on average 2.0156112576956904) internal successors, (9167), 4622 states have internal predecessors, (9167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 9167 transitions. [2021-11-23 03:57:42,480 INFO L78 Accepts]: Start accepts. Automaton has 4623 states and 9167 transitions. Word has length 17 [2021-11-23 03:57:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:42,480 INFO L470 AbstractCegarLoop]: Abstraction has 4623 states and 9167 transitions. [2021-11-23 03:57:42,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 9167 transitions. [2021-11-23 03:57:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:42,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:42,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:42,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-23 03:57:42,482 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:42,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:42,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1353006065, now seen corresponding path program 6 times [2021-11-23 03:57:42,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:42,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582710672] [2021-11-23 03:57:42,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:42,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:42,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:42,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582710672] [2021-11-23 03:57:42,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582710672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:42,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:42,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:42,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062333749] [2021-11-23 03:57:42,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:42,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:42,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:42,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:42,703 INFO L87 Difference]: Start difference. First operand 4623 states and 9167 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:44,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:44,536 INFO L93 Difference]: Finished difference Result 8874 states and 17593 transitions. [2021-11-23 03:57:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:57:44,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:44,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:44,551 INFO L225 Difference]: With dead ends: 8874 [2021-11-23 03:57:44,551 INFO L226 Difference]: Without dead ends: 8874 [2021-11-23 03:57:44,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:57:44,552 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 595 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:44,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [595 Valid, 446 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 03:57:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2021-11-23 03:57:44,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 4517. [2021-11-23 03:57:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 4442 states have (on average 2.015983791085097) internal successors, (8955), 4516 states have internal predecessors, (8955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 8955 transitions. [2021-11-23 03:57:44,639 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 8955 transitions. Word has length 17 [2021-11-23 03:57:44,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:44,639 INFO L470 AbstractCegarLoop]: Abstraction has 4517 states and 8955 transitions. [2021-11-23 03:57:44,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 8955 transitions. [2021-11-23 03:57:44,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:44,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:44,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:44,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-23 03:57:44,641 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:44,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:44,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1828128649, now seen corresponding path program 7 times [2021-11-23 03:57:44,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:44,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695376510] [2021-11-23 03:57:44,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:44,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:44,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:44,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695376510] [2021-11-23 03:57:44,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695376510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:44,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:44,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:44,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480959590] [2021-11-23 03:57:44,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:44,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:44,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:44,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:44,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:44,835 INFO L87 Difference]: Start difference. First operand 4517 states and 8955 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:46,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:46,453 INFO L93 Difference]: Finished difference Result 8989 states and 17823 transitions. [2021-11-23 03:57:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:46,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:46,491 INFO L225 Difference]: With dead ends: 8989 [2021-11-23 03:57:46,491 INFO L226 Difference]: Without dead ends: 8989 [2021-11-23 03:57:46,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:46,492 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 384 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:46,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 313 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 03:57:46,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8989 states. [2021-11-23 03:57:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8989 to 4518. [2021-11-23 03:57:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4518 states, 4443 states have (on average 2.015980193562908) internal successors, (8957), 4517 states have internal predecessors, (8957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 8957 transitions. [2021-11-23 03:57:46,574 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 8957 transitions. Word has length 17 [2021-11-23 03:57:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:46,574 INFO L470 AbstractCegarLoop]: Abstraction has 4518 states and 8957 transitions. [2021-11-23 03:57:46,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 8957 transitions. [2021-11-23 03:57:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:46,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:46,575 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:46,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-23 03:57:46,575 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:46,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:46,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1803092819, now seen corresponding path program 8 times [2021-11-23 03:57:46,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:46,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711391449] [2021-11-23 03:57:46,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:46,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:46,809 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:46,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711391449] [2021-11-23 03:57:46,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711391449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:46,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:46,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:46,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960642415] [2021-11-23 03:57:46,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:46,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:46,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:46,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:46,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:46,811 INFO L87 Difference]: Start difference. First operand 4518 states and 8957 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:49,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:49,001 INFO L93 Difference]: Finished difference Result 8961 states and 17767 transitions. [2021-11-23 03:57:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:49,001 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:49,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:49,015 INFO L225 Difference]: With dead ends: 8961 [2021-11-23 03:57:49,015 INFO L226 Difference]: Without dead ends: 8961 [2021-11-23 03:57:49,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:57:49,016 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 407 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:49,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 331 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:57:49,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2021-11-23 03:57:49,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 4519. [2021-11-23 03:57:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 4444 states have (on average 2.015976597659766) internal successors, (8959), 4518 states have internal predecessors, (8959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 8959 transitions. [2021-11-23 03:57:49,107 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 8959 transitions. Word has length 17 [2021-11-23 03:57:49,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:49,108 INFO L470 AbstractCegarLoop]: Abstraction has 4519 states and 8959 transitions. [2021-11-23 03:57:49,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 8959 transitions. [2021-11-23 03:57:49,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:49,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:49,108 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:49,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-23 03:57:49,109 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:49,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1404489239, now seen corresponding path program 9 times [2021-11-23 03:57:49,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:49,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067076650] [2021-11-23 03:57:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:49,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:49,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:49,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067076650] [2021-11-23 03:57:49,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067076650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:49,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:49,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:49,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116173650] [2021-11-23 03:57:49,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:49,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:49,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:49,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:49,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:49,291 INFO L87 Difference]: Start difference. First operand 4519 states and 8959 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:51,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:51,722 INFO L93 Difference]: Finished difference Result 8906 states and 17657 transitions. [2021-11-23 03:57:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:57:51,722 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:51,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:51,736 INFO L225 Difference]: With dead ends: 8906 [2021-11-23 03:57:51,736 INFO L226 Difference]: Without dead ends: 8906 [2021-11-23 03:57:51,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:57:51,737 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 440 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:51,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 333 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 03:57:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8906 states. [2021-11-23 03:57:51,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8906 to 4510. [2021-11-23 03:57:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-23 03:57:51,831 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-23 03:57:51,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:51,831 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-23 03:57:51,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-23 03:57:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:51,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:51,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:51,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-23 03:57:51,832 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:51,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:51,832 INFO L85 PathProgramCache]: Analyzing trace with hash 731428921, now seen corresponding path program 10 times [2021-11-23 03:57:51,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:51,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900882263] [2021-11-23 03:57:51,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:51,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:52,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:52,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900882263] [2021-11-23 03:57:52,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900882263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:52,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:52,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:52,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579419100] [2021-11-23 03:57:52,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:52,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:52,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:52,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:52,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:52,090 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:54,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:54,849 INFO L93 Difference]: Finished difference Result 4592 states and 9105 transitions. [2021-11-23 03:57:54,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:57:54,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:54,857 INFO L225 Difference]: With dead ends: 4592 [2021-11-23 03:57:54,857 INFO L226 Difference]: Without dead ends: 4592 [2021-11-23 03:57:54,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:57:54,858 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 223 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2113 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:54,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 188 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2113 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 03:57:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4592 states. [2021-11-23 03:57:54,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4592 to 4510. [2021-11-23 03:57:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-23 03:57:54,954 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-23 03:57:54,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:54,954 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-23 03:57:54,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-23 03:57:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:54,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:54,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:54,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-23 03:57:54,956 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:54,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash 712664113, now seen corresponding path program 11 times [2021-11-23 03:57:54,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:54,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853562460] [2021-11-23 03:57:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:54,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:55,215 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:55,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853562460] [2021-11-23 03:57:55,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853562460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:55,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:55,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:55,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271145237] [2021-11-23 03:57:55,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:55,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:55,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:55,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:55,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:55,217 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:57,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:57,016 INFO L93 Difference]: Finished difference Result 4678 states and 9277 transitions. [2021-11-23 03:57:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:57:57,017 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:57,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:57,023 INFO L225 Difference]: With dead ends: 4678 [2021-11-23 03:57:57,024 INFO L226 Difference]: Without dead ends: 4678 [2021-11-23 03:57:57,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:57:57,024 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 187 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:57,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 163 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 03:57:57,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2021-11-23 03:57:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4511. [2021-11-23 03:57:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4511 states, 4436 states have (on average 2.016005410279531) internal successors, (8943), 4510 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 8943 transitions. [2021-11-23 03:57:57,091 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 8943 transitions. Word has length 17 [2021-11-23 03:57:57,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:57,091 INFO L470 AbstractCegarLoop]: Abstraction has 4511 states and 8943 transitions. [2021-11-23 03:57:57,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 8943 transitions. [2021-11-23 03:57:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:57,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:57,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:57,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-23 03:57:57,093 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:57,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:57,093 INFO L85 PathProgramCache]: Analyzing trace with hash 314060533, now seen corresponding path program 12 times [2021-11-23 03:57:57,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:57,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513429087] [2021-11-23 03:57:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:57,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:57,336 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:57,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513429087] [2021-11-23 03:57:57,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513429087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:57,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:57,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:57,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816160193] [2021-11-23 03:57:57,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:57,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:57,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:57,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:57,338 INFO L87 Difference]: Start difference. First operand 4511 states and 8943 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:59,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:59,444 INFO L93 Difference]: Finished difference Result 4600 states and 9121 transitions. [2021-11-23 03:57:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:57:59,444 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:57:59,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:59,450 INFO L225 Difference]: With dead ends: 4600 [2021-11-23 03:57:59,450 INFO L226 Difference]: Without dead ends: 4600 [2021-11-23 03:57:59,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:57:59,451 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 183 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:59,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 168 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 03:57:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2021-11-23 03:57:59,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4510. [2021-11-23 03:57:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-23 03:57:59,517 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-23 03:57:59,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:59,518 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-23 03:57:59,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:57:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-23 03:57:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:57:59,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:59,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:59,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-23 03:57:59,519 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:57:59,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:59,519 INFO L85 PathProgramCache]: Analyzing trace with hash -381775047, now seen corresponding path program 13 times [2021-11-23 03:57:59,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:59,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563144135] [2021-11-23 03:57:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:59,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:59,752 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:59,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563144135] [2021-11-23 03:57:59,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563144135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:59,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:59,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:57:59,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82653790] [2021-11-23 03:57:59,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:59,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:57:59,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:59,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:57:59,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:57:59,755 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:01,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:01,255 INFO L93 Difference]: Finished difference Result 4649 states and 9219 transitions. [2021-11-23 03:58:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:58:01,256 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:58:01,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:01,262 INFO L225 Difference]: With dead ends: 4649 [2021-11-23 03:58:01,262 INFO L226 Difference]: Without dead ends: 4649 [2021-11-23 03:58:01,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:58:01,263 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 172 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:01,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 151 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 03:58:01,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2021-11-23 03:58:01,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4496. [2021-11-23 03:58:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 4421 states have (on average 2.016059714996607) internal successors, (8913), 4495 states have internal predecessors, (8913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 8913 transitions. [2021-11-23 03:58:01,330 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 8913 transitions. Word has length 17 [2021-11-23 03:58:01,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:01,331 INFO L470 AbstractCegarLoop]: Abstraction has 4496 states and 8913 transitions. [2021-11-23 03:58:01,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 8913 transitions. [2021-11-23 03:58:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:58:01,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:01,331 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:58:01,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-23 03:58:01,332 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:01,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:01,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1045520875, now seen corresponding path program 14 times [2021-11-23 03:58:01,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:01,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627685606] [2021-11-23 03:58:01,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:01,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:01,558 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:01,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627685606] [2021-11-23 03:58:01,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627685606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:01,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:01,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:58:01,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330285759] [2021-11-23 03:58:01,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:01,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:58:01,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:01,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:58:01,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:58:01,559 INFO L87 Difference]: Start difference. First operand 4496 states and 8913 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:02,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:02,802 INFO L93 Difference]: Finished difference Result 4586 states and 9093 transitions. [2021-11-23 03:58:02,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 03:58:02,802 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:58:02,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:02,809 INFO L225 Difference]: With dead ends: 4586 [2021-11-23 03:58:02,809 INFO L226 Difference]: Without dead ends: 4586 [2021-11-23 03:58:02,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-23 03:58:02,810 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 175 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:02,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 144 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 03:58:02,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2021-11-23 03:58:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4482. [2021-11-23 03:58:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4482 states, 4407 states have (on average 2.016110732924892) internal successors, (8885), 4481 states have internal predecessors, (8885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 8885 transitions. [2021-11-23 03:58:02,906 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 8885 transitions. Word has length 17 [2021-11-23 03:58:02,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:02,906 INFO L470 AbstractCegarLoop]: Abstraction has 4482 states and 8885 transitions. [2021-11-23 03:58:02,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 8885 transitions. [2021-11-23 03:58:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:58:02,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:02,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:58:02,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-23 03:58:02,907 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:02,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:02,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1444124455, now seen corresponding path program 15 times [2021-11-23 03:58:02,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:02,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858215948] [2021-11-23 03:58:02,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:02,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:03,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:03,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858215948] [2021-11-23 03:58:03,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858215948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:03,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:03,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:58:03,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266837613] [2021-11-23 03:58:03,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:03,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:58:03,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:58:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:58:03,150 INFO L87 Difference]: Start difference. First operand 4482 states and 8885 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:04,974 INFO L93 Difference]: Finished difference Result 4531 states and 8983 transitions. [2021-11-23 03:58:04,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:58:04,975 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-23 03:58:04,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:04,981 INFO L225 Difference]: With dead ends: 4531 [2021-11-23 03:58:04,981 INFO L226 Difference]: Without dead ends: 4531 [2021-11-23 03:58:04,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-11-23 03:58:04,983 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 156 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:04,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 165 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 03:58:04,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4531 states. [2021-11-23 03:58:05,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4531 to 4437. [2021-11-23 03:58:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 4362 states have (on average 2.0162769371847777) internal successors, (8795), 4436 states have internal predecessors, (8795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 8795 transitions. [2021-11-23 03:58:05,050 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 8795 transitions. Word has length 17 [2021-11-23 03:58:05,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:05,050 INFO L470 AbstractCegarLoop]: Abstraction has 4437 states and 8795 transitions. [2021-11-23 03:58:05,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 8795 transitions. [2021-11-23 03:58:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 03:58:05,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:05,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:58:05,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-23 03:58:05,052 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:05,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1427672357, now seen corresponding path program 1 times [2021-11-23 03:58:05,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:05,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394827581] [2021-11-23 03:58:05,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:05,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:05,151 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:05,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394827581] [2021-11-23 03:58:05,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394827581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:05,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:05,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:58:05,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301956283] [2021-11-23 03:58:05,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:05,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:58:05,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:05,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:58:05,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:58:05,152 INFO L87 Difference]: Start difference. First operand 4437 states and 8795 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:05,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:05,865 INFO L93 Difference]: Finished difference Result 4756 states and 9427 transitions. [2021-11-23 03:58:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:58:05,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2021-11-23 03:58:05,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:05,872 INFO L225 Difference]: With dead ends: 4756 [2021-11-23 03:58:05,872 INFO L226 Difference]: Without dead ends: 4756 [2021-11-23 03:58:05,873 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:58:05,873 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 112 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:05,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 101 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 03:58:05,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-11-23 03:58:05,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4640. [2021-11-23 03:58:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 4565 states have (on average 2.0146768893756843) internal successors, (9197), 4639 states have internal predecessors, (9197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 9197 transitions. [2021-11-23 03:58:05,939 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 9197 transitions. Word has length 21 [2021-11-23 03:58:05,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:05,941 INFO L470 AbstractCegarLoop]: Abstraction has 4640 states and 9197 transitions. [2021-11-23 03:58:05,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:05,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 9197 transitions. [2021-11-23 03:58:05,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 03:58:05,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:05,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:58:05,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-23 03:58:05,943 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:05,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:05,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1101135392, now seen corresponding path program 1 times [2021-11-23 03:58:05,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:05,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825550937] [2021-11-23 03:58:05,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:05,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:06,029 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:06,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825550937] [2021-11-23 03:58:06,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825550937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:06,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:06,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:58:06,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510757] [2021-11-23 03:58:06,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:06,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:58:06,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:06,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:58:06,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:58:06,030 INFO L87 Difference]: Start difference. First operand 4640 states and 9197 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) [2021-11-23 03:58:07,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:07,255 INFO L93 Difference]: Finished difference Result 5039 states and 9995 transitions. [2021-11-23 03:58:07,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:58:07,256 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 [2021-11-23 03:58:07,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:07,263 INFO L225 Difference]: With dead ends: 5039 [2021-11-23 03:58:07,263 INFO L226 Difference]: Without dead ends: 5039 [2021-11-23 03:58:07,263 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:58:07,263 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 134 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:07,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 123 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:58:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2021-11-23 03:58:07,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 4895. [2021-11-23 03:58:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 4821 states have (on average 2.0134826799419208) internal successors, (9707), 4894 states have internal predecessors, (9707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 9707 transitions. [2021-11-23 03:58:07,329 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 9707 transitions. Word has length 22 [2021-11-23 03:58:07,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:07,330 INFO L470 AbstractCegarLoop]: Abstraction has 4895 states and 9707 transitions. [2021-11-23 03:58:07,330 INFO L471 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) [2021-11-23 03:58:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9707 transitions. [2021-11-23 03:58:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:07,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:07,331 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:07,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-23 03:58:07,331 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:07,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:07,331 INFO L85 PathProgramCache]: Analyzing trace with hash 828851878, now seen corresponding path program 1 times [2021-11-23 03:58:07,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:07,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467984287] [2021-11-23 03:58:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:07,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:07,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:07,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467984287] [2021-11-23 03:58:07,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467984287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:07,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:07,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:58:07,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466354515] [2021-11-23 03:58:07,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:07,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 03:58:07,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:07,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 03:58:07,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:58:07,665 INFO L87 Difference]: Start difference. First operand 4895 states and 9707 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:58:10,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:10,707 INFO L93 Difference]: Finished difference Result 8346 states and 16529 transitions. [2021-11-23 03:58:10,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 03:58:10,707 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2021-11-23 03:58:10,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:10,721 INFO L225 Difference]: With dead ends: 8346 [2021-11-23 03:58:10,721 INFO L226 Difference]: Without dead ends: 8346 [2021-11-23 03:58:10,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2021-11-23 03:58:10,722 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 830 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:10,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [830 Valid, 302 Invalid, 2271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2091 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 03:58:10,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2021-11-23 03:58:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 4977. [2021-11-23 03:58:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4977 states, 4903 states have (on average 2.0140730165204976) internal successors, (9875), 4976 states have internal predecessors, (9875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 9875 transitions. [2021-11-23 03:58:10,840 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 9875 transitions. Word has length 24 [2021-11-23 03:58:10,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:10,840 INFO L470 AbstractCegarLoop]: Abstraction has 4977 states and 9875 transitions. [2021-11-23 03:58:10,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:58:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 9875 transitions. [2021-11-23 03:58:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:10,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:10,842 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:10,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-23 03:58:10,842 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:10,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash 965514634, now seen corresponding path program 1 times [2021-11-23 03:58:10,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:10,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552398296] [2021-11-23 03:58:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:10,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:11,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:11,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552398296] [2021-11-23 03:58:11,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552398296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:11,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:11,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 03:58:11,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590000440] [2021-11-23 03:58:11,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:11,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:58:11,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:58:11,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:58:11,087 INFO L87 Difference]: Start difference. First operand 4977 states and 9875 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 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) [2021-11-23 03:58:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:12,842 INFO L93 Difference]: Finished difference Result 8141 states and 16119 transitions. [2021-11-23 03:58:12,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 03:58:12,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 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 [2021-11-23 03:58:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:12,855 INFO L225 Difference]: With dead ends: 8141 [2021-11-23 03:58:12,855 INFO L226 Difference]: Without dead ends: 8141 [2021-11-23 03:58:12,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-23 03:58:12,856 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 692 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:12,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [692 Valid, 207 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 03:58:12,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2021-11-23 03:58:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 5028. [2021-11-23 03:58:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5028 states, 4954 states have (on average 2.014937424303593) internal successors, (9982), 5027 states have internal predecessors, (9982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 9982 transitions. [2021-11-23 03:58:12,948 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 9982 transitions. Word has length 24 [2021-11-23 03:58:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:12,949 INFO L470 AbstractCegarLoop]: Abstraction has 5028 states and 9982 transitions. [2021-11-23 03:58:12,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 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) [2021-11-23 03:58:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 9982 transitions. [2021-11-23 03:58:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:12,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:12,950 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:12,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-23 03:58:12,951 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:12,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:12,951 INFO L85 PathProgramCache]: Analyzing trace with hash -281347182, now seen corresponding path program 2 times [2021-11-23 03:58:12,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:12,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628156836] [2021-11-23 03:58:12,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:12,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:13,381 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:13,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628156836] [2021-11-23 03:58:13,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628156836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:13,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:13,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 03:58:13,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573663996] [2021-11-23 03:58:13,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:13,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:58:13,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:13,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:58:13,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-23 03:58:13,383 INFO L87 Difference]: Start difference. First operand 5028 states and 9982 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:16,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:16,553 INFO L93 Difference]: Finished difference Result 9774 states and 19390 transitions. [2021-11-23 03:58:16,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 03:58:16,553 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 03:58:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:16,566 INFO L225 Difference]: With dead ends: 9774 [2021-11-23 03:58:16,567 INFO L226 Difference]: Without dead ends: 9774 [2021-11-23 03:58:16,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2021-11-23 03:58:16,567 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 636 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:16,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 472 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 03:58:16,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9774 states. [2021-11-23 03:58:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9774 to 5176. [2021-11-23 03:58:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5102 states have (on average 2.016660133281066) internal successors, (10289), 5175 states have internal predecessors, (10289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 10289 transitions. [2021-11-23 03:58:16,657 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 10289 transitions. Word has length 24 [2021-11-23 03:58:16,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:16,657 INFO L470 AbstractCegarLoop]: Abstraction has 5176 states and 10289 transitions. [2021-11-23 03:58:16,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:16,658 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 10289 transitions. [2021-11-23 03:58:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:16,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:16,659 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:16,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-23 03:58:16,660 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:16,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:16,660 INFO L85 PathProgramCache]: Analyzing trace with hash -36854832, now seen corresponding path program 3 times [2021-11-23 03:58:16,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:16,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081268055] [2021-11-23 03:58:16,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:16,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:17,045 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:17,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081268055] [2021-11-23 03:58:17,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081268055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:17,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:17,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 03:58:17,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67033151] [2021-11-23 03:58:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:17,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:58:17,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:17,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:58:17,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-23 03:58:17,047 INFO L87 Difference]: Start difference. First operand 5176 states and 10289 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:19,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:19,679 INFO L93 Difference]: Finished difference Result 9729 states and 19304 transitions. [2021-11-23 03:58:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 03:58:19,680 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 03:58:19,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:19,695 INFO L225 Difference]: With dead ends: 9729 [2021-11-23 03:58:19,695 INFO L226 Difference]: Without dead ends: 9729 [2021-11-23 03:58:19,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2021-11-23 03:58:19,696 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 656 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1581 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:19,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [656 Valid, 459 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1581 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 03:58:19,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9729 states. [2021-11-23 03:58:19,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9729 to 5173. [2021-11-23 03:58:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5173 states, 5099 states have (on average 2.0166699352814277) internal successors, (10283), 5172 states have internal predecessors, (10283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:19,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 10283 transitions. [2021-11-23 03:58:19,792 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 10283 transitions. Word has length 24 [2021-11-23 03:58:19,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:19,792 INFO L470 AbstractCegarLoop]: Abstraction has 5173 states and 10283 transitions. [2021-11-23 03:58:19,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 10283 transitions. [2021-11-23 03:58:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:19,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:19,793 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:19,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-23 03:58:19,794 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:19,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1763970120, now seen corresponding path program 4 times [2021-11-23 03:58:19,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:19,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116802402] [2021-11-23 03:58:19,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:19,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:20,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:20,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116802402] [2021-11-23 03:58:20,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116802402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:20,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:20,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 03:58:20,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286075185] [2021-11-23 03:58:20,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:20,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:58:20,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:20,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:58:20,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-23 03:58:20,150 INFO L87 Difference]: Start difference. First operand 5173 states and 10283 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:23,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:23,300 INFO L93 Difference]: Finished difference Result 9740 states and 19326 transitions. [2021-11-23 03:58:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 03:58:23,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 03:58:23,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:23,315 INFO L225 Difference]: With dead ends: 9740 [2021-11-23 03:58:23,316 INFO L226 Difference]: Without dead ends: 9740 [2021-11-23 03:58:23,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2021-11-23 03:58:23,316 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 637 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:23,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 472 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2197 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 03:58:23,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2021-11-23 03:58:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 5170. [2021-11-23 03:58:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5170 states, 5096 states have (on average 2.016679748822606) internal successors, (10277), 5169 states have internal predecessors, (10277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 10277 transitions. [2021-11-23 03:58:23,416 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 10277 transitions. Word has length 24 [2021-11-23 03:58:23,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:23,416 INFO L470 AbstractCegarLoop]: Abstraction has 5170 states and 10277 transitions. [2021-11-23 03:58:23,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 10277 transitions. [2021-11-23 03:58:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:23,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:23,418 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:23,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-23 03:58:23,419 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:23,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1354258168, now seen corresponding path program 5 times [2021-11-23 03:58:23,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:23,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856558365] [2021-11-23 03:58:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:23,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:23,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:23,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856558365] [2021-11-23 03:58:23,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856558365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:23,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:23,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 03:58:23,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527924064] [2021-11-23 03:58:23,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:23,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:58:23,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:23,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:58:23,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-23 03:58:23,827 INFO L87 Difference]: Start difference. First operand 5170 states and 10277 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:28,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:28,235 INFO L93 Difference]: Finished difference Result 9827 states and 19496 transitions. [2021-11-23 03:58:28,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 03:58:28,236 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 03:58:28,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:28,250 INFO L225 Difference]: With dead ends: 9827 [2021-11-23 03:58:28,251 INFO L226 Difference]: Without dead ends: 9827 [2021-11-23 03:58:28,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=364, Invalid=826, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 03:58:28,251 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 786 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 2816 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:28,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [786 Valid, 450 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2816 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 03:58:28,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9827 states. [2021-11-23 03:58:28,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9827 to 5167. [2021-11-23 03:58:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5167 states, 5093 states have (on average 2.016689573924995) internal successors, (10271), 5166 states have internal predecessors, (10271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 10271 transitions. [2021-11-23 03:58:28,349 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 10271 transitions. Word has length 24 [2021-11-23 03:58:28,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:28,349 INFO L470 AbstractCegarLoop]: Abstraction has 5167 states and 10271 transitions. [2021-11-23 03:58:28,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 03:58:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 10271 transitions. [2021-11-23 03:58:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:28,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:28,350 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:28,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-23 03:58:28,350 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:28,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:28,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1989281307, now seen corresponding path program 1 times [2021-11-23 03:58:28,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:28,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463490314] [2021-11-23 03:58:28,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:28,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:29,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:29,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463490314] [2021-11-23 03:58:29,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463490314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:29,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:29,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:58:29,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058403269] [2021-11-23 03:58:29,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:29,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:58:29,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:29,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:58:29,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:58:29,045 INFO L87 Difference]: Start difference. First operand 5167 states and 10271 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:32,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:32,651 INFO L93 Difference]: Finished difference Result 9864 states and 19573 transitions. [2021-11-23 03:58:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 03:58:32,652 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:58:32,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:32,666 INFO L225 Difference]: With dead ends: 9864 [2021-11-23 03:58:32,666 INFO L226 Difference]: Without dead ends: 9864 [2021-11-23 03:58:32,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2021-11-23 03:58:32,667 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 804 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 2707 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:32,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [804 Valid, 576 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 2707 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 03:58:32,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9864 states. [2021-11-23 03:58:32,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9864 to 5285. [2021-11-23 03:58:32,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 5211 states have (on average 2.0174630589138363) internal successors, (10513), 5284 states have internal predecessors, (10513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 10513 transitions. [2021-11-23 03:58:32,766 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 10513 transitions. Word has length 24 [2021-11-23 03:58:32,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:32,767 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 10513 transitions. [2021-11-23 03:58:32,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 10513 transitions. [2021-11-23 03:58:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:32,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:32,769 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:32,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-23 03:58:32,769 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:32,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2062562797, now seen corresponding path program 2 times [2021-11-23 03:58:32,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:32,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493350798] [2021-11-23 03:58:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:32,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:33,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:33,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493350798] [2021-11-23 03:58:33,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493350798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:33,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:33,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:58:33,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083579765] [2021-11-23 03:58:33,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:33,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:58:33,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:33,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:58:33,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:58:33,472 INFO L87 Difference]: Start difference. First operand 5285 states and 10513 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:38,357 INFO L93 Difference]: Finished difference Result 9848 states and 19541 transitions. [2021-11-23 03:58:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 03:58:38,358 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:58:38,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:38,372 INFO L225 Difference]: With dead ends: 9848 [2021-11-23 03:58:38,372 INFO L226 Difference]: Without dead ends: 9848 [2021-11-23 03:58:38,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812 [2021-11-23 03:58:38,373 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 798 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 3913 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 4031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:38,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 610 Invalid, 4031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3913 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-23 03:58:38,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9848 states. [2021-11-23 03:58:38,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9848 to 5286. [2021-11-23 03:58:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5286 states, 5212 states have (on average 2.017459708365311) internal successors, (10515), 5285 states have internal predecessors, (10515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 5286 states and 10515 transitions. [2021-11-23 03:58:38,472 INFO L78 Accepts]: Start accepts. Automaton has 5286 states and 10515 transitions. Word has length 24 [2021-11-23 03:58:38,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:38,472 INFO L470 AbstractCegarLoop]: Abstraction has 5286 states and 10515 transitions. [2021-11-23 03:58:38,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5286 states and 10515 transitions. [2021-11-23 03:58:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:38,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:38,473 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:38,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-23 03:58:38,474 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:38,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:38,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2057900707, now seen corresponding path program 3 times [2021-11-23 03:58:38,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:38,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040165161] [2021-11-23 03:58:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:38,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:39,096 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:39,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040165161] [2021-11-23 03:58:39,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040165161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:39,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:39,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:58:39,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248276709] [2021-11-23 03:58:39,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:39,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:58:39,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:39,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:58:39,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:58:39,098 INFO L87 Difference]: Start difference. First operand 5286 states and 10515 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:43,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:43,617 INFO L93 Difference]: Finished difference Result 9861 states and 19567 transitions. [2021-11-23 03:58:43,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-23 03:58:43,618 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:58:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:43,632 INFO L225 Difference]: With dead ends: 9861 [2021-11-23 03:58:43,632 INFO L226 Difference]: Without dead ends: 9861 [2021-11-23 03:58:43,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2021-11-23 03:58:43,633 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 813 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 3371 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 3511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 3371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:43,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [813 Valid, 596 Invalid, 3511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 3371 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 03:58:43,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9861 states. [2021-11-23 03:58:43,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 5294. [2021-11-23 03:58:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5294 states, 5220 states have (on average 2.017432950191571) internal successors, (10531), 5293 states have internal predecessors, (10531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 10531 transitions. [2021-11-23 03:58:43,784 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 10531 transitions. Word has length 24 [2021-11-23 03:58:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:43,785 INFO L470 AbstractCegarLoop]: Abstraction has 5294 states and 10531 transitions. [2021-11-23 03:58:43,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 10531 transitions. [2021-11-23 03:58:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:43,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:43,786 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:43,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-23 03:58:43,787 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:43,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:43,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1763292261, now seen corresponding path program 4 times [2021-11-23 03:58:43,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:43,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189350215] [2021-11-23 03:58:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:43,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:44,360 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:44,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189350215] [2021-11-23 03:58:44,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189350215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:44,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:44,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:58:44,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6406328] [2021-11-23 03:58:44,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:44,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:58:44,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:44,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:58:44,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:58:44,362 INFO L87 Difference]: Start difference. First operand 5294 states and 10531 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:48,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:48,936 INFO L93 Difference]: Finished difference Result 9863 states and 19571 transitions. [2021-11-23 03:58:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 03:58:48,936 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:58:48,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:48,950 INFO L225 Difference]: With dead ends: 9863 [2021-11-23 03:58:48,950 INFO L226 Difference]: Without dead ends: 9863 [2021-11-23 03:58:48,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2021-11-23 03:58:48,951 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 800 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 3523 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 3654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:48,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 602 Invalid, 3654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3523 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 03:58:48,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9863 states. [2021-11-23 03:58:49,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9863 to 5296. [2021-11-23 03:58:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5296 states, 5222 states have (on average 2.017426273458445) internal successors, (10535), 5295 states have internal predecessors, (10535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5296 states to 5296 states and 10535 transitions. [2021-11-23 03:58:49,067 INFO L78 Accepts]: Start accepts. Automaton has 5296 states and 10535 transitions. Word has length 24 [2021-11-23 03:58:49,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:49,068 INFO L470 AbstractCegarLoop]: Abstraction has 5296 states and 10535 transitions. [2021-11-23 03:58:49,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5296 states and 10535 transitions. [2021-11-23 03:58:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:49,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:49,069 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:49,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-23 03:58:49,069 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:49,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:49,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1758630171, now seen corresponding path program 5 times [2021-11-23 03:58:49,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:49,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488981370] [2021-11-23 03:58:49,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:49,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:49,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:49,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488981370] [2021-11-23 03:58:49,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488981370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:49,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:49,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:58:49,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997034303] [2021-11-23 03:58:49,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:49,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:58:49,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:49,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:58:49,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:58:49,644 INFO L87 Difference]: Start difference. First operand 5296 states and 10535 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:54,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:54,347 INFO L93 Difference]: Finished difference Result 9879 states and 19603 transitions. [2021-11-23 03:58:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 03:58:54,347 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:58:54,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:54,361 INFO L225 Difference]: With dead ends: 9879 [2021-11-23 03:58:54,362 INFO L226 Difference]: Without dead ends: 9879 [2021-11-23 03:58:54,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-11-23 03:58:54,362 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 847 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 3691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:54,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 598 Invalid, 3691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 03:58:54,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9879 states. [2021-11-23 03:58:54,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9879 to 5295. [2021-11-23 03:58:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 5221 states have (on average 2.0174296111855967) internal successors, (10533), 5294 states have internal predecessors, (10533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 10533 transitions. [2021-11-23 03:58:54,459 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 10533 transitions. Word has length 24 [2021-11-23 03:58:54,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:54,459 INFO L470 AbstractCegarLoop]: Abstraction has 5295 states and 10533 transitions. [2021-11-23 03:58:54,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 10533 transitions. [2021-11-23 03:58:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:54,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:54,461 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:54,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-23 03:58:54,461 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:54,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1613182821, now seen corresponding path program 6 times [2021-11-23 03:58:54,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:54,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110078943] [2021-11-23 03:58:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:54,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:58:55,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:55,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110078943] [2021-11-23 03:58:55,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110078943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:55,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:55,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:58:55,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098491107] [2021-11-23 03:58:55,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:55,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:58:55,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:55,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:58:55,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:58:55,003 INFO L87 Difference]: Start difference. First operand 5295 states and 10533 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:59,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:59,458 INFO L93 Difference]: Finished difference Result 9886 states and 19617 transitions. [2021-11-23 03:58:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 03:58:59,458 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:58:59,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:59,473 INFO L225 Difference]: With dead ends: 9886 [2021-11-23 03:58:59,473 INFO L226 Difference]: Without dead ends: 9886 [2021-11-23 03:58:59,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=320, Invalid=736, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 03:58:59,473 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 846 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 3122 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 3266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 3122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:59,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 586 Invalid, 3266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 3122 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 03:58:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9886 states. [2021-11-23 03:58:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9886 to 5303. [2021-11-23 03:58:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5229 states have (on average 2.0174029451137887) internal successors, (10549), 5302 states have internal predecessors, (10549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:58:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 10549 transitions. [2021-11-23 03:58:59,574 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 10549 transitions. Word has length 24 [2021-11-23 03:58:59,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:59,575 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 10549 transitions. [2021-11-23 03:58:59,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:58:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 10549 transitions. [2021-11-23 03:58:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:58:59,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:59,576 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:58:59,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-23 03:58:59,576 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:58:59,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:59,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2101541741, now seen corresponding path program 7 times [2021-11-23 03:58:59,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:59,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610475884] [2021-11-23 03:58:59,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:59,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:00,067 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:00,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610475884] [2021-11-23 03:59:00,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610475884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:00,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:00,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:59:00,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360457224] [2021-11-23 03:59:00,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:00,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:59:00,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:00,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:59:00,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:59:00,068 INFO L87 Difference]: Start difference. First operand 5303 states and 10549 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:03,175 INFO L93 Difference]: Finished difference Result 9989 states and 19819 transitions. [2021-11-23 03:59:03,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 03:59:03,182 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:59:03,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:03,197 INFO L225 Difference]: With dead ends: 9989 [2021-11-23 03:59:03,197 INFO L226 Difference]: Without dead ends: 9989 [2021-11-23 03:59:03,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=303, Invalid=753, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 03:59:03,198 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 799 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:03,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [799 Valid, 552 Invalid, 2137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1973 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 03:59:03,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9989 states. [2021-11-23 03:59:03,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9989 to 5313. [2021-11-23 03:59:03,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5313 states, 5239 states have (on average 2.0173697270471465) internal successors, (10569), 5312 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 5313 states and 10569 transitions. [2021-11-23 03:59:03,311 INFO L78 Accepts]: Start accepts. Automaton has 5313 states and 10569 transitions. Word has length 24 [2021-11-23 03:59:03,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:03,311 INFO L470 AbstractCegarLoop]: Abstraction has 5313 states and 10569 transitions. [2021-11-23 03:59:03,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 10569 transitions. [2021-11-23 03:59:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:03,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:03,314 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:03,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-23 03:59:03,314 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:03,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:03,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2096879651, now seen corresponding path program 8 times [2021-11-23 03:59:03,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:03,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162436427] [2021-11-23 03:59:03,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:03,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:03,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:03,698 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:03,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162436427] [2021-11-23 03:59:03,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162436427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:03,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:03,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:59:03,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912382208] [2021-11-23 03:59:03,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:03,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:59:03,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:03,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:59:03,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:59:03,701 INFO L87 Difference]: Start difference. First operand 5313 states and 10569 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:08,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:08,071 INFO L93 Difference]: Finished difference Result 10037 states and 19915 transitions. [2021-11-23 03:59:08,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-23 03:59:08,072 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:59:08,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:08,094 INFO L225 Difference]: With dead ends: 10037 [2021-11-23 03:59:08,094 INFO L226 Difference]: Without dead ends: 10037 [2021-11-23 03:59:08,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=352, Invalid=838, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 03:59:08,095 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 828 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 3260 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 3260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:08,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [828 Valid, 596 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 3260 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 03:59:08,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2021-11-23 03:59:08,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 5312. [2021-11-23 03:59:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5312 states, 5238 states have (on average 2.017373043146239) internal successors, (10567), 5311 states have internal predecessors, (10567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:08,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 10567 transitions. [2021-11-23 03:59:08,195 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 10567 transitions. Word has length 24 [2021-11-23 03:59:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:08,195 INFO L470 AbstractCegarLoop]: Abstraction has 5312 states and 10567 transitions. [2021-11-23 03:59:08,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 10567 transitions. [2021-11-23 03:59:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:08,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:08,197 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:08,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-23 03:59:08,198 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1951432301, now seen corresponding path program 9 times [2021-11-23 03:59:08,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:08,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812606713] [2021-11-23 03:59:08,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:08,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:08,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:08,843 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:08,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812606713] [2021-11-23 03:59:08,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812606713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:08,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:08,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:59:08,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741067862] [2021-11-23 03:59:08,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:08,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:59:08,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:08,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:59:08,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:59:08,845 INFO L87 Difference]: Start difference. First operand 5312 states and 10567 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:15,185 INFO L93 Difference]: Finished difference Result 10051 states and 19943 transitions. [2021-11-23 03:59:15,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-23 03:59:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:59:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:15,196 INFO L225 Difference]: With dead ends: 10051 [2021-11-23 03:59:15,197 INFO L226 Difference]: Without dead ends: 10051 [2021-11-23 03:59:15,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=570, Invalid=1410, Unknown=0, NotChecked=0, Total=1980 [2021-11-23 03:59:15,197 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 900 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 4058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:15,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 618 Invalid, 4058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 3866 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-23 03:59:15,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10051 states. [2021-11-23 03:59:15,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10051 to 5225. [2021-11-23 03:59:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 5151 states have (on average 2.0165016501650164) internal successors, (10387), 5224 states have internal predecessors, (10387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:15,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 10387 transitions. [2021-11-23 03:59:15,283 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 10387 transitions. Word has length 24 [2021-11-23 03:59:15,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:15,284 INFO L470 AbstractCegarLoop]: Abstraction has 5225 states and 10387 transitions. [2021-11-23 03:59:15,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:15,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 10387 transitions. [2021-11-23 03:59:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:15,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:15,285 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:15,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-23 03:59:15,285 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:15,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1708932387, now seen corresponding path program 10 times [2021-11-23 03:59:15,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:15,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994350437] [2021-11-23 03:59:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:15,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:15,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:15,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994350437] [2021-11-23 03:59:15,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994350437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:15,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:15,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 03:59:15,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749166467] [2021-11-23 03:59:15,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:15,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 03:59:15,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:15,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 03:59:15,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-23 03:59:15,725 INFO L87 Difference]: Start difference. First operand 5225 states and 10387 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:20,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:20,689 INFO L93 Difference]: Finished difference Result 9994 states and 19829 transitions. [2021-11-23 03:59:20,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-23 03:59:20,690 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 03:59:20,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:20,705 INFO L225 Difference]: With dead ends: 9994 [2021-11-23 03:59:20,705 INFO L226 Difference]: Without dead ends: 9994 [2021-11-23 03:59:20,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=631, Invalid=1531, Unknown=0, NotChecked=0, Total=2162 [2021-11-23 03:59:20,706 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 911 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 3431 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 3638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 3431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:20,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [911 Valid, 606 Invalid, 3638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 3431 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 03:59:20,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-11-23 03:59:20,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 5233. [2021-11-23 03:59:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5233 states, 5159 states have (on average 2.0164760612521806) internal successors, (10403), 5232 states have internal predecessors, (10403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 10403 transitions. [2021-11-23 03:59:20,812 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 10403 transitions. Word has length 24 [2021-11-23 03:59:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:20,812 INFO L470 AbstractCegarLoop]: Abstraction has 5233 states and 10403 transitions. [2021-11-23 03:59:20,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 03:59:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 10403 transitions. [2021-11-23 03:59:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:20,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:20,813 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:20,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-23 03:59:20,814 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:20,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:20,814 INFO L85 PathProgramCache]: Analyzing trace with hash 454116251, now seen corresponding path program 11 times [2021-11-23 03:59:20,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:20,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511341339] [2021-11-23 03:59:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:20,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:21,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:21,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511341339] [2021-11-23 03:59:21,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511341339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:21,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:21,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 03:59:21,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951727164] [2021-11-23 03:59:21,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:21,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 03:59:21,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:21,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 03:59:21,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:59:21,100 INFO L87 Difference]: Start difference. First operand 5233 states and 10403 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:24,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:24,727 INFO L93 Difference]: Finished difference Result 9085 states and 17999 transitions. [2021-11-23 03:59:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 03:59:24,728 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 03:59:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:24,741 INFO L225 Difference]: With dead ends: 9085 [2021-11-23 03:59:24,742 INFO L226 Difference]: Without dead ends: 9085 [2021-11-23 03:59:24,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2021-11-23 03:59:24,742 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 896 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:24,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 626 Invalid, 2757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 03:59:24,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2021-11-23 03:59:24,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 5237. [2021-11-23 03:59:24,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 5163 states have (on average 2.0164632965330234) internal successors, (10411), 5236 states have internal predecessors, (10411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 10411 transitions. [2021-11-23 03:59:24,838 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 10411 transitions. Word has length 24 [2021-11-23 03:59:24,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:24,838 INFO L470 AbstractCegarLoop]: Abstraction has 5237 states and 10411 transitions. [2021-11-23 03:59:24,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 10411 transitions. [2021-11-23 03:59:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:24,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:24,839 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:24,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-23 03:59:24,839 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:24,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:24,840 INFO L85 PathProgramCache]: Analyzing trace with hash 458778341, now seen corresponding path program 12 times [2021-11-23 03:59:24,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:24,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386967582] [2021-11-23 03:59:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:24,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:25,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:25,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386967582] [2021-11-23 03:59:25,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386967582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:25,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:25,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 03:59:25,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573235706] [2021-11-23 03:59:25,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:25,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 03:59:25,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:25,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 03:59:25,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:59:25,111 INFO L87 Difference]: Start difference. First operand 5237 states and 10411 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:27,893 INFO L93 Difference]: Finished difference Result 9109 states and 18047 transitions. [2021-11-23 03:59:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 03:59:27,894 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 03:59:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:27,907 INFO L225 Difference]: With dead ends: 9109 [2021-11-23 03:59:27,907 INFO L226 Difference]: Without dead ends: 9109 [2021-11-23 03:59:27,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2021-11-23 03:59:27,908 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 930 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:27,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [930 Valid, 598 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 03:59:27,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9109 states. [2021-11-23 03:59:27,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9109 to 5236. [2021-11-23 03:59:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 5162 states have (on average 2.0164664858581944) internal successors, (10409), 5235 states have internal predecessors, (10409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 10409 transitions. [2021-11-23 03:59:28,001 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 10409 transitions. Word has length 24 [2021-11-23 03:59:28,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:28,001 INFO L470 AbstractCegarLoop]: Abstraction has 5236 states and 10409 transitions. [2021-11-23 03:59:28,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 10409 transitions. [2021-11-23 03:59:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:28,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:28,003 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:28,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-23 03:59:28,003 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:28,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash 604225691, now seen corresponding path program 13 times [2021-11-23 03:59:28,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:28,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640938046] [2021-11-23 03:59:28,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:28,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:28,248 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:28,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640938046] [2021-11-23 03:59:28,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640938046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:28,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:28,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 03:59:28,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246599436] [2021-11-23 03:59:28,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:28,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 03:59:28,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:28,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 03:59:28,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:59:28,250 INFO L87 Difference]: Start difference. First operand 5236 states and 10409 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:31,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:31,565 INFO L93 Difference]: Finished difference Result 9133 states and 18095 transitions. [2021-11-23 03:59:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 03:59:31,566 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 03:59:31,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:31,585 INFO L225 Difference]: With dead ends: 9133 [2021-11-23 03:59:31,585 INFO L226 Difference]: Without dead ends: 9133 [2021-11-23 03:59:31,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=274, Invalid=596, Unknown=0, NotChecked=0, Total=870 [2021-11-23 03:59:31,586 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 904 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:31,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [904 Valid, 620 Invalid, 2682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 03:59:31,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9133 states. [2021-11-23 03:59:31,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9133 to 5235. [2021-11-23 03:59:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5235 states, 5161 states have (on average 2.0164696764192986) internal successors, (10407), 5234 states have internal predecessors, (10407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 10407 transitions. [2021-11-23 03:59:31,700 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 10407 transitions. Word has length 24 [2021-11-23 03:59:31,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:31,700 INFO L470 AbstractCegarLoop]: Abstraction has 5235 states and 10407 transitions. [2021-11-23 03:59:31,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 10407 transitions. [2021-11-23 03:59:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:31,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:31,701 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:31,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-23 03:59:31,702 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:31,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:31,702 INFO L85 PathProgramCache]: Analyzing trace with hash 846725605, now seen corresponding path program 14 times [2021-11-23 03:59:31,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:31,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024858297] [2021-11-23 03:59:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:31,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:31,930 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:31,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024858297] [2021-11-23 03:59:31,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024858297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:31,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:31,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 03:59:31,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785380443] [2021-11-23 03:59:31,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:31,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 03:59:31,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:31,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 03:59:31,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:59:31,932 INFO L87 Difference]: Start difference. First operand 5235 states and 10407 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:35,801 INFO L93 Difference]: Finished difference Result 9250 states and 18329 transitions. [2021-11-23 03:59:35,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-23 03:59:35,801 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 03:59:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:35,814 INFO L225 Difference]: With dead ends: 9250 [2021-11-23 03:59:35,814 INFO L226 Difference]: Without dead ends: 9250 [2021-11-23 03:59:35,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=415, Invalid=917, Unknown=0, NotChecked=0, Total=1332 [2021-11-23 03:59:35,815 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 1028 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:35,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1028 Valid, 606 Invalid, 2599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 03:59:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9250 states. [2021-11-23 03:59:35,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9250 to 5234. [2021-11-23 03:59:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5234 states, 5160 states have (on average 2.016472868217054) internal successors, (10405), 5233 states have internal predecessors, (10405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 10405 transitions. [2021-11-23 03:59:35,917 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 10405 transitions. Word has length 24 [2021-11-23 03:59:35,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:35,917 INFO L470 AbstractCegarLoop]: Abstraction has 5234 states and 10405 transitions. [2021-11-23 03:59:35,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 10405 transitions. [2021-11-23 03:59:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:35,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:35,919 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:35,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-23 03:59:35,919 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:35,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:35,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1224068195, now seen corresponding path program 1 times [2021-11-23 03:59:35,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:35,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134700448] [2021-11-23 03:59:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:35,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:36,119 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:36,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134700448] [2021-11-23 03:59:36,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134700448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:36,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:36,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 03:59:36,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813975375] [2021-11-23 03:59:36,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:36,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 03:59:36,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:36,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 03:59:36,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:59:36,120 INFO L87 Difference]: Start difference. First operand 5234 states and 10405 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:39,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:39,540 INFO L93 Difference]: Finished difference Result 9067 states and 17959 transitions. [2021-11-23 03:59:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 03:59:39,541 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 03:59:39,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:39,555 INFO L225 Difference]: With dead ends: 9067 [2021-11-23 03:59:39,555 INFO L226 Difference]: Without dead ends: 9067 [2021-11-23 03:59:39,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=316, Invalid=806, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 03:59:39,555 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 1123 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 2776 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:39,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1123 Valid, 765 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 2776 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 03:59:39,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9067 states. [2021-11-23 03:59:39,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9067 to 5312. [2021-11-23 03:59:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5312 states, 5238 states have (on average 2.0169912180221456) internal successors, (10565), 5311 states have internal predecessors, (10565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 10565 transitions. [2021-11-23 03:59:39,652 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 10565 transitions. Word has length 24 [2021-11-23 03:59:39,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:39,652 INFO L470 AbstractCegarLoop]: Abstraction has 5312 states and 10565 transitions. [2021-11-23 03:59:39,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 10565 transitions. [2021-11-23 03:59:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:39,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:39,654 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:39,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-23 03:59:39,654 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:39,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:39,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1734060507, now seen corresponding path program 15 times [2021-11-23 03:59:39,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:39,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037740245] [2021-11-23 03:59:39,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:39,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:39,878 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:39,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037740245] [2021-11-23 03:59:39,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037740245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:39,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:39,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 03:59:39,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062989575] [2021-11-23 03:59:39,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:39,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 03:59:39,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:39,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 03:59:39,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:59:39,880 INFO L87 Difference]: Start difference. First operand 5312 states and 10565 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:44,202 INFO L93 Difference]: Finished difference Result 9125 states and 18079 transitions. [2021-11-23 03:59:44,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-23 03:59:44,203 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 03:59:44,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:44,217 INFO L225 Difference]: With dead ends: 9125 [2021-11-23 03:59:44,217 INFO L226 Difference]: Without dead ends: 9125 [2021-11-23 03:59:44,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=416, Invalid=990, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 03:59:44,218 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 1158 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 2921 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 3060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:44,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1158 Valid, 784 Invalid, 3060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2921 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 03:59:44,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9125 states. [2021-11-23 03:59:44,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9125 to 5335. [2021-11-23 03:59:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5261 states have (on average 2.0178673256034974) internal successors, (10616), 5334 states have internal predecessors, (10616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 10616 transitions. [2021-11-23 03:59:44,317 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 10616 transitions. Word has length 24 [2021-11-23 03:59:44,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:44,318 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 10616 transitions. [2021-11-23 03:59:44,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 03:59:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 10616 transitions. [2021-11-23 03:59:44,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:44,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:44,319 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:44,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-23 03:59:44,319 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:44,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:44,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1629372710, now seen corresponding path program 2 times [2021-11-23 03:59:44,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:44,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15722543] [2021-11-23 03:59:44,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:44,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:44,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:44,750 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:44,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15722543] [2021-11-23 03:59:44,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15722543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:44,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:44,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:59:44,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049464186] [2021-11-23 03:59:44,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:44,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 03:59:44,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:44,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 03:59:44,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:59:44,751 INFO L87 Difference]: Start difference. First operand 5335 states and 10616 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:48,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:48,404 INFO L93 Difference]: Finished difference Result 5635 states and 11215 transitions. [2021-11-23 03:59:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 03:59:48,405 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2021-11-23 03:59:48,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:48,413 INFO L225 Difference]: With dead ends: 5635 [2021-11-23 03:59:48,413 INFO L226 Difference]: Without dead ends: 5635 [2021-11-23 03:59:48,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:59:48,413 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 470 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 2339 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 2465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:48,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [470 Valid, 381 Invalid, 2465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2339 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 03:59:48,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2021-11-23 03:59:48,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5336. [2021-11-23 03:59:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5336 states, 5262 states have (on average 2.0178639300646144) internal successors, (10618), 5335 states have internal predecessors, (10618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5336 states to 5336 states and 10618 transitions. [2021-11-23 03:59:48,492 INFO L78 Accepts]: Start accepts. Automaton has 5336 states and 10618 transitions. Word has length 24 [2021-11-23 03:59:48,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:48,492 INFO L470 AbstractCegarLoop]: Abstraction has 5336 states and 10618 transitions. [2021-11-23 03:59:48,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5336 states and 10618 transitions. [2021-11-23 03:59:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:48,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:48,493 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:48,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-23 03:59:48,494 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:48,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:48,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1635427010, now seen corresponding path program 3 times [2021-11-23 03:59:48,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:48,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077400174] [2021-11-23 03:59:48,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:48,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:48,920 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:48,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077400174] [2021-11-23 03:59:48,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077400174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:48,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:48,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:59:48,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749731380] [2021-11-23 03:59:48,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:48,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 03:59:48,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:48,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 03:59:48,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:59:48,922 INFO L87 Difference]: Start difference. First operand 5336 states and 10618 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:52,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:52,631 INFO L93 Difference]: Finished difference Result 5705 states and 11355 transitions. [2021-11-23 03:59:52,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 03:59:52,631 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2021-11-23 03:59:52,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:52,638 INFO L225 Difference]: With dead ends: 5705 [2021-11-23 03:59:52,638 INFO L226 Difference]: Without dead ends: 5705 [2021-11-23 03:59:52,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-11-23 03:59:52,640 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 488 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:52,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 381 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2325 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 03:59:52,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5705 states. [2021-11-23 03:59:52,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5705 to 5341. [2021-11-23 03:59:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5341 states, 5267 states have (on average 2.017846971710651) internal successors, (10628), 5340 states have internal predecessors, (10628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5341 states to 5341 states and 10628 transitions. [2021-11-23 03:59:52,740 INFO L78 Accepts]: Start accepts. Automaton has 5341 states and 10628 transitions. Word has length 24 [2021-11-23 03:59:52,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:52,740 INFO L470 AbstractCegarLoop]: Abstraction has 5341 states and 10628 transitions. [2021-11-23 03:59:52,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 10628 transitions. [2021-11-23 03:59:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:52,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:52,742 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:52,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-23 03:59:52,742 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:52,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1824004040, now seen corresponding path program 4 times [2021-11-23 03:59:52,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:52,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196668650] [2021-11-23 03:59:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:52,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:53,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:53,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196668650] [2021-11-23 03:59:53,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196668650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:53,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:53,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:59:53,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705061031] [2021-11-23 03:59:53,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:53,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 03:59:53,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:53,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 03:59:53,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:59:53,110 INFO L87 Difference]: Start difference. First operand 5341 states and 10628 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:55,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:55,736 INFO L93 Difference]: Finished difference Result 5764 states and 11474 transitions. [2021-11-23 03:59:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 03:59:55,736 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2021-11-23 03:59:55,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:55,744 INFO L225 Difference]: With dead ends: 5764 [2021-11-23 03:59:55,744 INFO L226 Difference]: Without dead ends: 5764 [2021-11-23 03:59:55,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2021-11-23 03:59:55,745 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 423 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:55,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 394 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 03:59:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2021-11-23 03:59:55,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5346. [2021-11-23 03:59:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5346 states, 5272 states have (on average 2.0178300455235205) internal successors, (10638), 5345 states have internal predecessors, (10638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5346 states to 5346 states and 10638 transitions. [2021-11-23 03:59:55,824 INFO L78 Accepts]: Start accepts. Automaton has 5346 states and 10638 transitions. Word has length 24 [2021-11-23 03:59:55,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:55,825 INFO L470 AbstractCegarLoop]: Abstraction has 5346 states and 10638 transitions. [2021-11-23 03:59:55,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5346 states and 10638 transitions. [2021-11-23 03:59:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:55,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:55,826 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:55,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-23 03:59:55,826 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash -892336992, now seen corresponding path program 5 times [2021-11-23 03:59:55,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:55,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550087466] [2021-11-23 03:59:55,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:55,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:56,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:56,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550087466] [2021-11-23 03:59:56,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550087466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:56,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:56,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:59:56,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290105258] [2021-11-23 03:59:56,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:56,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 03:59:56,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:56,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 03:59:56,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:59:56,174 INFO L87 Difference]: Start difference. First operand 5346 states and 10638 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:58,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:58,461 INFO L93 Difference]: Finished difference Result 5824 states and 11594 transitions. [2021-11-23 03:59:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 03:59:58,461 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2021-11-23 03:59:58,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:58,469 INFO L225 Difference]: With dead ends: 5824 [2021-11-23 03:59:58,469 INFO L226 Difference]: Without dead ends: 5824 [2021-11-23 03:59:58,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-11-23 03:59:58,470 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 406 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:58,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 389 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 03:59:58,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5824 states. [2021-11-23 03:59:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5824 to 5351. [2021-11-23 03:59:58,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5351 states, 5277 states have (on average 2.017813151411787) internal successors, (10648), 5350 states have internal predecessors, (10648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:59:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5351 states to 5351 states and 10648 transitions. [2021-11-23 03:59:58,543 INFO L78 Accepts]: Start accepts. Automaton has 5351 states and 10648 transitions. Word has length 24 [2021-11-23 03:59:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:58,543 INFO L470 AbstractCegarLoop]: Abstraction has 5351 states and 10648 transitions. [2021-11-23 03:59:58,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 03:59:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5351 states and 10648 transitions. [2021-11-23 03:59:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:59:58,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:58,544 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:59:58,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-23 03:59:58,544 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 03:59:58,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:58,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1659311466, now seen corresponding path program 6 times [2021-11-23 03:59:58,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:58,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246359528] [2021-11-23 03:59:58,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:58,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:59:58,856 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:58,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246359528] [2021-11-23 03:59:58,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246359528] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:58,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:58,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 03:59:58,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241382160] [2021-11-23 03:59:58,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:58,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 03:59:58,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:58,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 03:59:58,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:59:58,857 INFO L87 Difference]: Start difference. First operand 5351 states and 10648 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 04:00:02,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:02,840 INFO L93 Difference]: Finished difference Result 8667 states and 17191 transitions. [2021-11-23 04:00:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 04:00:02,840 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2021-11-23 04:00:02,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:02,853 INFO L225 Difference]: With dead ends: 8667 [2021-11-23 04:00:02,853 INFO L226 Difference]: Without dead ends: 8667 [2021-11-23 04:00:02,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2021-11-23 04:00:02,854 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 631 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 2763 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:02,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [631 Valid, 574 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2763 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 04:00:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8667 states. [2021-11-23 04:00:02,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8667 to 5159. [2021-11-23 04:00:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5159 states, 5087 states have (on average 2.0169058384116374) internal successors, (10260), 5158 states have internal predecessors, (10260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5159 states to 5159 states and 10260 transitions. [2021-11-23 04:00:02,946 INFO L78 Accepts]: Start accepts. Automaton has 5159 states and 10260 transitions. Word has length 24 [2021-11-23 04:00:02,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:02,946 INFO L470 AbstractCegarLoop]: Abstraction has 5159 states and 10260 transitions. [2021-11-23 04:00:02,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2021-11-23 04:00:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 5159 states and 10260 transitions. [2021-11-23 04:00:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:02,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:02,947 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:02,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-23 04:00:02,947 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:02,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:02,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1795974222, now seen corresponding path program 6 times [2021-11-23 04:00:02,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:02,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245624107] [2021-11-23 04:00:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:02,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:03,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:03,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245624107] [2021-11-23 04:00:03,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245624107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:03,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:03,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:00:03,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484623123] [2021-11-23 04:00:03,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:03,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:00:03,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:00:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:00:03,150 INFO L87 Difference]: Start difference. First operand 5159 states and 10260 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 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) [2021-11-23 04:00:05,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:05,623 INFO L93 Difference]: Finished difference Result 8531 states and 16911 transitions. [2021-11-23 04:00:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 04:00:05,624 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 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 [2021-11-23 04:00:05,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:05,635 INFO L225 Difference]: With dead ends: 8531 [2021-11-23 04:00:05,635 INFO L226 Difference]: Without dead ends: 8531 [2021-11-23 04:00:05,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-23 04:00:05,636 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 454 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:05,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 449 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2156 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 04:00:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8531 states. [2021-11-23 04:00:05,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8531 to 5107. [2021-11-23 04:00:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5107 states, 5035 states have (on average 2.016087388282026) internal successors, (10151), 5106 states have internal predecessors, (10151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 5107 states and 10151 transitions. [2021-11-23 04:00:05,719 INFO L78 Accepts]: Start accepts. Automaton has 5107 states and 10151 transitions. Word has length 24 [2021-11-23 04:00:05,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:05,719 INFO L470 AbstractCegarLoop]: Abstraction has 5107 states and 10151 transitions. [2021-11-23 04:00:05,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 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) [2021-11-23 04:00:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 10151 transitions. [2021-11-23 04:00:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:05,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:05,720 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:05,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-23 04:00:05,720 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1190296444, now seen corresponding path program 7 times [2021-11-23 04:00:05,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:05,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956883138] [2021-11-23 04:00:05,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:05,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:06,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:06,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956883138] [2021-11-23 04:00:06,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956883138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:06,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:06,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:00:06,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127466103] [2021-11-23 04:00:06,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:06,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:00:06,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:06,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:00:06,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:00:06,046 INFO L87 Difference]: Start difference. First operand 5107 states and 10151 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:09,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:09,714 INFO L93 Difference]: Finished difference Result 14445 states and 28661 transitions. [2021-11-23 04:00:09,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 04:00:09,715 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:00:09,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:09,736 INFO L225 Difference]: With dead ends: 14445 [2021-11-23 04:00:09,736 INFO L226 Difference]: Without dead ends: 14445 [2021-11-23 04:00:09,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2021-11-23 04:00:09,736 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 705 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 3244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:09,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 581 Invalid, 3244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 04:00:09,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14445 states. [2021-11-23 04:00:09,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14445 to 5166. [2021-11-23 04:00:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5094 states have (on average 2.0159010600706715) internal successors, (10269), 5165 states have internal predecessors, (10269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 10269 transitions. [2021-11-23 04:00:09,850 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 10269 transitions. Word has length 24 [2021-11-23 04:00:09,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:09,850 INFO L470 AbstractCegarLoop]: Abstraction has 5166 states and 10269 transitions. [2021-11-23 04:00:09,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 10269 transitions. [2021-11-23 04:00:09,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:09,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:09,852 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:09,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-23 04:00:09,852 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:09,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:09,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1434788794, now seen corresponding path program 8 times [2021-11-23 04:00:09,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:09,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412368979] [2021-11-23 04:00:09,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:09,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:10,138 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:10,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412368979] [2021-11-23 04:00:10,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412368979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:10,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:10,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:00:10,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837493597] [2021-11-23 04:00:10,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:10,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:00:10,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:10,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:00:10,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:00:10,140 INFO L87 Difference]: Start difference. First operand 5166 states and 10269 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:13,609 INFO L93 Difference]: Finished difference Result 14407 states and 28589 transitions. [2021-11-23 04:00:13,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-23 04:00:13,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:00:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:13,630 INFO L225 Difference]: With dead ends: 14407 [2021-11-23 04:00:13,630 INFO L226 Difference]: Without dead ends: 14407 [2021-11-23 04:00:13,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=517, Unknown=0, NotChecked=0, Total=756 [2021-11-23 04:00:13,631 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 685 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:13,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [685 Valid, 574 Invalid, 2873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 2742 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 04:00:13,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14407 states. [2021-11-23 04:00:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14407 to 5158. [2021-11-23 04:00:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5158 states, 5086 states have (on average 2.015926071569013) internal successors, (10253), 5157 states have internal predecessors, (10253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 5158 states and 10253 transitions. [2021-11-23 04:00:13,745 INFO L78 Accepts]: Start accepts. Automaton has 5158 states and 10253 transitions. Word has length 24 [2021-11-23 04:00:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:13,745 INFO L470 AbstractCegarLoop]: Abstraction has 5158 states and 10253 transitions. [2021-11-23 04:00:13,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5158 states and 10253 transitions. [2021-11-23 04:00:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:13,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:13,746 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:13,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-23 04:00:13,746 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:13,747 INFO L85 PathProgramCache]: Analyzing trace with hash -292326494, now seen corresponding path program 9 times [2021-11-23 04:00:13,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:13,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346044126] [2021-11-23 04:00:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:13,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:14,082 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:14,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346044126] [2021-11-23 04:00:14,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346044126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:14,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:14,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:00:14,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013763198] [2021-11-23 04:00:14,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:14,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:00:14,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:14,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:00:14,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:00:14,083 INFO L87 Difference]: Start difference. First operand 5158 states and 10253 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:18,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:18,500 INFO L93 Difference]: Finished difference Result 14425 states and 28625 transitions. [2021-11-23 04:00:18,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 04:00:18,501 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:00:18,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:18,521 INFO L225 Difference]: With dead ends: 14425 [2021-11-23 04:00:18,521 INFO L226 Difference]: Without dead ends: 14425 [2021-11-23 04:00:18,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=278, Invalid=592, Unknown=0, NotChecked=0, Total=870 [2021-11-23 04:00:18,522 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 706 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 3348 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 3498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 3348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:18,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [706 Valid, 585 Invalid, 3498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 3348 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 04:00:18,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14425 states. [2021-11-23 04:00:18,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14425 to 5150. [2021-11-23 04:00:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5150 states, 5078 states have (on average 2.015951161874754) internal successors, (10237), 5149 states have internal predecessors, (10237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 10237 transitions. [2021-11-23 04:00:18,630 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 10237 transitions. Word has length 24 [2021-11-23 04:00:18,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:18,630 INFO L470 AbstractCegarLoop]: Abstraction has 5150 states and 10237 transitions. [2021-11-23 04:00:18,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 10237 transitions. [2021-11-23 04:00:18,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:18,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:18,632 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:18,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-23 04:00:18,635 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:18,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:18,635 INFO L85 PathProgramCache]: Analyzing trace with hash 117385458, now seen corresponding path program 10 times [2021-11-23 04:00:18,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:18,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523141037] [2021-11-23 04:00:18,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:18,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:18,961 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:18,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523141037] [2021-11-23 04:00:18,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523141037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:18,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:18,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:00:18,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970742039] [2021-11-23 04:00:18,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:18,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:00:18,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:18,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:00:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:00:18,962 INFO L87 Difference]: Start difference. First operand 5150 states and 10237 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:24,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:24,938 INFO L93 Difference]: Finished difference Result 14505 states and 28785 transitions. [2021-11-23 04:00:24,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-23 04:00:24,939 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:00:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:24,959 INFO L225 Difference]: With dead ends: 14505 [2021-11-23 04:00:24,959 INFO L226 Difference]: Without dead ends: 14505 [2021-11-23 04:00:24,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=468, Invalid=1092, Unknown=0, NotChecked=0, Total=1560 [2021-11-23 04:00:24,960 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 839 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:24,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [839 Valid, 548 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 5241 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-23 04:00:24,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14505 states. [2021-11-23 04:00:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14505 to 5137. [2021-11-23 04:00:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 5065 states have (on average 2.0159921026653502) internal successors, (10211), 5136 states have internal predecessors, (10211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 10211 transitions. [2021-11-23 04:00:25,071 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 10211 transitions. Word has length 24 [2021-11-23 04:00:25,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:25,071 INFO L470 AbstractCegarLoop]: Abstraction has 5137 states and 10211 transitions. [2021-11-23 04:00:25,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:00:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 10211 transitions. [2021-11-23 04:00:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:25,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:25,072 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:25,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-11-23 04:00:25,073 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:25,073 INFO L85 PathProgramCache]: Analyzing trace with hash -834042363, now seen corresponding path program 16 times [2021-11-23 04:00:25,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:25,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878858782] [2021-11-23 04:00:25,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:25,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:25,752 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:25,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878858782] [2021-11-23 04:00:25,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878858782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:25,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:25,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:25,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509205269] [2021-11-23 04:00:25,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:25,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:25,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:25,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:25,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:25,753 INFO L87 Difference]: Start difference. First operand 5137 states and 10211 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:29,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:29,500 INFO L93 Difference]: Finished difference Result 14497 states and 28777 transitions. [2021-11-23 04:00:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 04:00:29,500 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:00:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:29,521 INFO L225 Difference]: With dead ends: 14497 [2021-11-23 04:00:29,521 INFO L226 Difference]: Without dead ends: 14497 [2021-11-23 04:00:29,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=251, Invalid=679, Unknown=0, NotChecked=0, Total=930 [2021-11-23 04:00:29,522 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 900 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 3218 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 3341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 3218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:29,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 701 Invalid, 3341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 3218 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 04:00:29,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2021-11-23 04:00:29,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 5163. [2021-11-23 04:00:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5163 states, 5091 states have (on average 2.01591043017089) internal successors, (10263), 5162 states have internal predecessors, (10263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 5163 states and 10263 transitions. [2021-11-23 04:00:29,680 INFO L78 Accepts]: Start accepts. Automaton has 5163 states and 10263 transitions. Word has length 24 [2021-11-23 04:00:29,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:29,680 INFO L470 AbstractCegarLoop]: Abstraction has 5163 states and 10263 transitions. [2021-11-23 04:00:29,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 10263 transitions. [2021-11-23 04:00:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:29,681 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:29,681 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:29,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-11-23 04:00:29,681 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:29,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash -590919171, now seen corresponding path program 17 times [2021-11-23 04:00:29,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:29,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314863453] [2021-11-23 04:00:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:29,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:30,204 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:30,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314863453] [2021-11-23 04:00:30,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314863453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:30,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:30,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:30,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146198039] [2021-11-23 04:00:30,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:30,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:30,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:30,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:30,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:30,206 INFO L87 Difference]: Start difference. First operand 5163 states and 10263 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:33,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:33,955 INFO L93 Difference]: Finished difference Result 14502 states and 28787 transitions. [2021-11-23 04:00:33,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 04:00:33,956 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:00:33,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:33,975 INFO L225 Difference]: With dead ends: 14502 [2021-11-23 04:00:33,975 INFO L226 Difference]: Without dead ends: 14502 [2021-11-23 04:00:33,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2021-11-23 04:00:33,975 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 871 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 3190 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 3318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 3190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:33,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [871 Valid, 699 Invalid, 3318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 3190 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 04:00:33,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14502 states. [2021-11-23 04:00:34,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14502 to 5164. [2021-11-23 04:00:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5164 states, 5092 states have (on average 2.015907305577376) internal successors, (10265), 5163 states have internal predecessors, (10265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 5164 states and 10265 transitions. [2021-11-23 04:00:34,091 INFO L78 Accepts]: Start accepts. Automaton has 5164 states and 10265 transitions. Word has length 24 [2021-11-23 04:00:34,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:34,092 INFO L470 AbstractCegarLoop]: Abstraction has 5164 states and 10265 transitions. [2021-11-23 04:00:34,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 10265 transitions. [2021-11-23 04:00:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:34,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:34,093 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:34,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-23 04:00:34,093 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:34,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:34,094 INFO L85 PathProgramCache]: Analyzing trace with hash -586257081, now seen corresponding path program 18 times [2021-11-23 04:00:34,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:34,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289491685] [2021-11-23 04:00:34,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:34,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:34,755 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:34,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289491685] [2021-11-23 04:00:34,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289491685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:34,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:34,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:34,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992108039] [2021-11-23 04:00:34,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:34,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:34,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:34,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:34,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:34,756 INFO L87 Difference]: Start difference. First operand 5164 states and 10265 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:38,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:38,974 INFO L93 Difference]: Finished difference Result 14510 states and 28803 transitions. [2021-11-23 04:00:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-23 04:00:38,975 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:00:38,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:38,995 INFO L225 Difference]: With dead ends: 14510 [2021-11-23 04:00:38,995 INFO L226 Difference]: Without dead ends: 14510 [2021-11-23 04:00:38,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=304, Invalid=752, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 04:00:38,996 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 903 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 3715 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 3715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:38,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 715 Invalid, 3848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 3715 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 04:00:39,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14510 states. [2021-11-23 04:00:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14510 to 5151. [2021-11-23 04:00:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5079 states have (on average 2.015948021264028) internal successors, (10239), 5150 states have internal predecessors, (10239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 10239 transitions. [2021-11-23 04:00:39,104 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 10239 transitions. Word has length 24 [2021-11-23 04:00:39,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:39,105 INFO L470 AbstractCegarLoop]: Abstraction has 5151 states and 10239 transitions. [2021-11-23 04:00:39,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 10239 transitions. [2021-11-23 04:00:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:39,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:39,106 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:39,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-11-23 04:00:39,107 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:39,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash -291648635, now seen corresponding path program 19 times [2021-11-23 04:00:39,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:39,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496560059] [2021-11-23 04:00:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:39,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:39,565 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:39,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496560059] [2021-11-23 04:00:39,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496560059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:39,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:39,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:39,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126030269] [2021-11-23 04:00:39,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:39,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:39,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:39,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:39,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:39,567 INFO L87 Difference]: Start difference. First operand 5151 states and 10239 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:43,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:43,327 INFO L93 Difference]: Finished difference Result 14508 states and 28799 transitions. [2021-11-23 04:00:43,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 04:00:43,327 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:00:43,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:43,348 INFO L225 Difference]: With dead ends: 14508 [2021-11-23 04:00:43,348 INFO L226 Difference]: Without dead ends: 14508 [2021-11-23 04:00:43,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2021-11-23 04:00:43,349 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 788 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:43,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [788 Valid, 706 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 04:00:43,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14508 states. [2021-11-23 04:00:43,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14508 to 5153. [2021-11-23 04:00:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5153 states, 5081 states have (on average 2.01594174375123) internal successors, (10243), 5152 states have internal predecessors, (10243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:43,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 5153 states and 10243 transitions. [2021-11-23 04:00:43,501 INFO L78 Accepts]: Start accepts. Automaton has 5153 states and 10243 transitions. Word has length 24 [2021-11-23 04:00:43,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:43,501 INFO L470 AbstractCegarLoop]: Abstraction has 5153 states and 10243 transitions. [2021-11-23 04:00:43,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 5153 states and 10243 transitions. [2021-11-23 04:00:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:43,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:43,503 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:43,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-23 04:00:43,503 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:43,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:43,503 INFO L85 PathProgramCache]: Analyzing trace with hash -286986545, now seen corresponding path program 20 times [2021-11-23 04:00:43,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:43,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945785714] [2021-11-23 04:00:43,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:43,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:43,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:43,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945785714] [2021-11-23 04:00:43,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945785714] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:43,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:43,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:43,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552300850] [2021-11-23 04:00:43,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:43,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:43,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:43,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:43,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:43,950 INFO L87 Difference]: Start difference. First operand 5153 states and 10243 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:48,385 INFO L93 Difference]: Finished difference Result 14517 states and 28817 transitions. [2021-11-23 04:00:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 04:00:48,385 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:00:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:48,404 INFO L225 Difference]: With dead ends: 14517 [2021-11-23 04:00:48,405 INFO L226 Difference]: Without dead ends: 14517 [2021-11-23 04:00:48,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 04:00:48,405 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 898 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 4288 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 4395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 4288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:48,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [898 Valid, 733 Invalid, 4395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 4288 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 04:00:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14517 states. [2021-11-23 04:00:48,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14517 to 5152. [2021-11-23 04:00:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5080 states have (on average 2.0159448818897636) internal successors, (10241), 5151 states have internal predecessors, (10241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 10241 transitions. [2021-11-23 04:00:48,508 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 10241 transitions. Word has length 24 [2021-11-23 04:00:48,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:48,508 INFO L470 AbstractCegarLoop]: Abstraction has 5152 states and 10241 transitions. [2021-11-23 04:00:48,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:48,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 10241 transitions. [2021-11-23 04:00:48,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:48,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:48,509 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:48,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-11-23 04:00:48,509 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:48,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:48,510 INFO L85 PathProgramCache]: Analyzing trace with hash -141539195, now seen corresponding path program 21 times [2021-11-23 04:00:48,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:48,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480209656] [2021-11-23 04:00:48,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:48,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:48,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:48,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480209656] [2021-11-23 04:00:48,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480209656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:48,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:48,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:48,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377998940] [2021-11-23 04:00:48,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:48,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:48,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:48,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:48,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:48,903 INFO L87 Difference]: Start difference. First operand 5152 states and 10241 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:53,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:53,569 INFO L93 Difference]: Finished difference Result 14523 states and 28829 transitions. [2021-11-23 04:00:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 04:00:53,570 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:00:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:53,590 INFO L225 Difference]: With dead ends: 14523 [2021-11-23 04:00:53,590 INFO L226 Difference]: Without dead ends: 14523 [2021-11-23 04:00:53,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=356, Invalid=834, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 04:00:53,591 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 881 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 4432 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 4563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 4432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:53,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 733 Invalid, 4563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 4432 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 04:00:53,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14523 states. [2021-11-23 04:00:53,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14523 to 5139. [2021-11-23 04:00:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 5067 states have (on average 2.015985790408526) internal successors, (10215), 5138 states have internal predecessors, (10215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 10215 transitions. [2021-11-23 04:00:53,693 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 10215 transitions. Word has length 24 [2021-11-23 04:00:53,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:53,693 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 10215 transitions. [2021-11-23 04:00:53,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 10215 transitions. [2021-11-23 04:00:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:53,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:53,694 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:53,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-11-23 04:00:53,695 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:53,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:53,695 INFO L85 PathProgramCache]: Analyzing trace with hash -629898115, now seen corresponding path program 22 times [2021-11-23 04:00:53,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:53,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400624586] [2021-11-23 04:00:53,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:53,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:54,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:54,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400624586] [2021-11-23 04:00:54,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400624586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:54,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:54,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:54,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795879213] [2021-11-23 04:00:54,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:54,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:54,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:54,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:54,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:54,079 INFO L87 Difference]: Start difference. First operand 5139 states and 10215 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:57,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:57,972 INFO L93 Difference]: Finished difference Result 14504 states and 28791 transitions. [2021-11-23 04:00:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 04:00:57,972 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:00:57,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:57,992 INFO L225 Difference]: With dead ends: 14504 [2021-11-23 04:00:57,992 INFO L226 Difference]: Without dead ends: 14504 [2021-11-23 04:00:57,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=234, Invalid=636, Unknown=0, NotChecked=0, Total=870 [2021-11-23 04:00:57,993 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 787 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 4018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 3922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:57,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [787 Valid, 722 Invalid, 4018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 04:00:58,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14504 states. [2021-11-23 04:00:58,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14504 to 5142. [2021-11-23 04:00:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5142 states, 5070 states have (on average 2.015976331360947) internal successors, (10221), 5141 states have internal predecessors, (10221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:00:58,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 10221 transitions. [2021-11-23 04:00:58,133 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 10221 transitions. Word has length 24 [2021-11-23 04:00:58,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:58,133 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 10221 transitions. [2021-11-23 04:00:58,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:00:58,133 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 10221 transitions. [2021-11-23 04:00:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:00:58,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:58,134 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:00:58,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-11-23 04:00:58,134 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:00:58,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:58,135 INFO L85 PathProgramCache]: Analyzing trace with hash -625236025, now seen corresponding path program 23 times [2021-11-23 04:00:58,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:58,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818115126] [2021-11-23 04:00:58,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:58,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:00:58,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:58,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818115126] [2021-11-23 04:00:58,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818115126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:58,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:58,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:00:58,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322415771] [2021-11-23 04:00:58,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:58,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:00:58,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:58,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:00:58,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:00:58,535 INFO L87 Difference]: Start difference. First operand 5142 states and 10221 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:01:01,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:01,907 INFO L93 Difference]: Finished difference Result 14517 states and 28817 transitions. [2021-11-23 04:01:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 04:01:01,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:01:01,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:01,926 INFO L225 Difference]: With dead ends: 14517 [2021-11-23 04:01:01,926 INFO L226 Difference]: Without dead ends: 14517 [2021-11-23 04:01:01,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2021-11-23 04:01:01,927 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 764 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 3311 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 3401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:01,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [764 Valid, 702 Invalid, 3401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 3311 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 04:01:01,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14517 states. [2021-11-23 04:01:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14517 to 5141. [2021-11-23 04:01:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5141 states, 5069 states have (on average 2.0159794831327678) internal successors, (10219), 5140 states have internal predecessors, (10219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 10219 transitions. [2021-11-23 04:01:02,027 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 10219 transitions. Word has length 24 [2021-11-23 04:01:02,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:02,027 INFO L470 AbstractCegarLoop]: Abstraction has 5141 states and 10219 transitions. [2021-11-23 04:01:02,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:01:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 10219 transitions. [2021-11-23 04:01:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:02,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:02,029 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:02,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-11-23 04:01:02,029 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:02,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash -479788675, now seen corresponding path program 24 times [2021-11-23 04:01:02,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:02,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672581820] [2021-11-23 04:01:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:02,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:02,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:02,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672581820] [2021-11-23 04:01:02,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672581820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:02,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:02,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:01:02,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107620761] [2021-11-23 04:01:02,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:02,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:01:02,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:02,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:01:02,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:01:02,324 INFO L87 Difference]: Start difference. First operand 5141 states and 10219 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:01:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:06,871 INFO L93 Difference]: Finished difference Result 14524 states and 28831 transitions. [2021-11-23 04:01:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 04:01:06,871 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:01:06,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:06,891 INFO L225 Difference]: With dead ends: 14524 [2021-11-23 04:01:06,892 INFO L226 Difference]: Without dead ends: 14524 [2021-11-23 04:01:06,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2021-11-23 04:01:06,892 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 904 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 4468 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 4586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:06,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [904 Valid, 735 Invalid, 4586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 4468 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 04:01:06,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14524 states. [2021-11-23 04:01:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14524 to 5140. [2021-11-23 04:01:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5140 states, 5068 states have (on average 2.015982636148382) internal successors, (10217), 5139 states have internal predecessors, (10217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 10217 transitions. [2021-11-23 04:01:07,003 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 10217 transitions. Word has length 24 [2021-11-23 04:01:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:07,003 INFO L470 AbstractCegarLoop]: Abstraction has 5140 states and 10217 transitions. [2021-11-23 04:01:07,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:01:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 10217 transitions. [2021-11-23 04:01:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:07,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:07,004 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:07,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-11-23 04:01:07,004 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:07,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:07,005 INFO L85 PathProgramCache]: Analyzing trace with hash -237288761, now seen corresponding path program 25 times [2021-11-23 04:01:07,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:07,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279476224] [2021-11-23 04:01:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:07,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:07,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:07,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279476224] [2021-11-23 04:01:07,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279476224] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:07,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:07,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:01:07,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241429530] [2021-11-23 04:01:07,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:07,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:01:07,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:07,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:01:07,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:01:07,285 INFO L87 Difference]: Start difference. First operand 5140 states and 10217 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:01:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:13,061 INFO L93 Difference]: Finished difference Result 14776 states and 29331 transitions. [2021-11-23 04:01:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-23 04:01:13,061 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:01:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:13,081 INFO L225 Difference]: With dead ends: 14776 [2021-11-23 04:01:13,081 INFO L226 Difference]: Without dead ends: 14776 [2021-11-23 04:01:13,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=596, Invalid=1474, Unknown=0, NotChecked=0, Total=2070 [2021-11-23 04:01:13,081 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 973 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 5429 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 5588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 5429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:13,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [973 Valid, 749 Invalid, 5588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 5429 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-23 04:01:13,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14776 states. [2021-11-23 04:01:13,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14776 to 5117. [2021-11-23 04:01:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5117 states, 5045 states have (on average 2.0160555004955403) internal successors, (10171), 5116 states have internal predecessors, (10171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 5117 states and 10171 transitions. [2021-11-23 04:01:13,185 INFO L78 Accepts]: Start accepts. Automaton has 5117 states and 10171 transitions. Word has length 24 [2021-11-23 04:01:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:13,186 INFO L470 AbstractCegarLoop]: Abstraction has 5117 states and 10171 transitions. [2021-11-23 04:01:13,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:01:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 10171 transitions. [2021-11-23 04:01:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:13,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:13,187 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:13,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-11-23 04:01:13,187 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:13,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:13,187 INFO L85 PathProgramCache]: Analyzing trace with hash -179260803, now seen corresponding path program 26 times [2021-11-23 04:01:13,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:13,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789638522] [2021-11-23 04:01:13,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:13,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:13,404 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789638522] [2021-11-23 04:01:13,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789638522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:13,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:13,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:13,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271236516] [2021-11-23 04:01:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:13,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:13,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:13,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:13,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:13,406 INFO L87 Difference]: Start difference. First operand 5117 states and 10171 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:16,187 INFO L93 Difference]: Finished difference Result 12481 states and 24724 transitions. [2021-11-23 04:01:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 04:01:16,187 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:16,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:16,204 INFO L225 Difference]: With dead ends: 12481 [2021-11-23 04:01:16,204 INFO L226 Difference]: Without dead ends: 12481 [2021-11-23 04:01:16,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=625, Unknown=0, NotChecked=0, Total=870 [2021-11-23 04:01:16,204 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 866 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 2398 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:16,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [866 Valid, 698 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2398 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 04:01:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12481 states. [2021-11-23 04:01:16,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12481 to 5128. [2021-11-23 04:01:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5128 states, 5056 states have (on average 2.0160205696202533) internal successors, (10193), 5127 states have internal predecessors, (10193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 10193 transitions. [2021-11-23 04:01:16,297 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 10193 transitions. Word has length 24 [2021-11-23 04:01:16,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:16,297 INFO L470 AbstractCegarLoop]: Abstraction has 5128 states and 10193 transitions. [2021-11-23 04:01:16,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 10193 transitions. [2021-11-23 04:01:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:16,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:16,298 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:16,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-11-23 04:01:16,298 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:16,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash -174598713, now seen corresponding path program 27 times [2021-11-23 04:01:16,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:16,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824747191] [2021-11-23 04:01:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:16,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:16,473 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:16,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824747191] [2021-11-23 04:01:16,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824747191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:16,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:16,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:16,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653907428] [2021-11-23 04:01:16,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:16,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:16,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:16,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:16,475 INFO L87 Difference]: Start difference. First operand 5128 states and 10193 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:19,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:19,537 INFO L93 Difference]: Finished difference Result 12505 states and 24772 transitions. [2021-11-23 04:01:19,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-23 04:01:19,537 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:19,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:19,554 INFO L225 Difference]: With dead ends: 12505 [2021-11-23 04:01:19,554 INFO L226 Difference]: Without dead ends: 12505 [2021-11-23 04:01:19,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=659, Unknown=0, NotChecked=0, Total=930 [2021-11-23 04:01:19,555 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 922 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:19,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [922 Valid, 698 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2567 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 04:01:19,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12505 states. [2021-11-23 04:01:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12505 to 5136. [2021-11-23 04:01:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5136 states, 5064 states have (on average 2.015995260663507) internal successors, (10209), 5135 states have internal predecessors, (10209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 10209 transitions. [2021-11-23 04:01:19,648 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 10209 transitions. Word has length 24 [2021-11-23 04:01:19,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:19,648 INFO L470 AbstractCegarLoop]: Abstraction has 5136 states and 10209 transitions. [2021-11-23 04:01:19,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 10209 transitions. [2021-11-23 04:01:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:19,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:19,649 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:19,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-11-23 04:01:19,650 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:19,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:19,650 INFO L85 PathProgramCache]: Analyzing trace with hash -29151363, now seen corresponding path program 28 times [2021-11-23 04:01:19,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:19,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157446384] [2021-11-23 04:01:19,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:19,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:19,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:19,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157446384] [2021-11-23 04:01:19,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157446384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:19,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:19,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:19,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784468288] [2021-11-23 04:01:19,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:19,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:19,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:19,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:19,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:19,812 INFO L87 Difference]: Start difference. First operand 5136 states and 10209 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:22,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:22,952 INFO L93 Difference]: Finished difference Result 12529 states and 24820 transitions. [2021-11-23 04:01:22,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 04:01:22,952 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:22,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:22,970 INFO L225 Difference]: With dead ends: 12529 [2021-11-23 04:01:22,970 INFO L226 Difference]: Without dead ends: 12529 [2021-11-23 04:01:22,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2021-11-23 04:01:22,970 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 925 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 2805 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:22,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 706 Invalid, 2872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2805 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 04:01:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12529 states. [2021-11-23 04:01:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12529 to 5144. [2021-11-23 04:01:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5072 states have (on average 2.0159700315457414) internal successors, (10225), 5143 states have internal predecessors, (10225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 10225 transitions. [2021-11-23 04:01:23,062 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 10225 transitions. Word has length 24 [2021-11-23 04:01:23,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:23,062 INFO L470 AbstractCegarLoop]: Abstraction has 5144 states and 10225 transitions. [2021-11-23 04:01:23,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 10225 transitions. [2021-11-23 04:01:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:23,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:23,063 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:23,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-11-23 04:01:23,064 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:23,064 INFO L85 PathProgramCache]: Analyzing trace with hash 213348551, now seen corresponding path program 29 times [2021-11-23 04:01:23,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:23,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766523939] [2021-11-23 04:01:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:23,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:23,216 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:23,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766523939] [2021-11-23 04:01:23,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766523939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:23,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:23,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:23,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170489874] [2021-11-23 04:01:23,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:23,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:23,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:23,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:23,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:23,218 INFO L87 Difference]: Start difference. First operand 5144 states and 10225 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:28,026 INFO L93 Difference]: Finished difference Result 12757 states and 25276 transitions. [2021-11-23 04:01:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-23 04:01:28,026 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:28,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:28,044 INFO L225 Difference]: With dead ends: 12757 [2021-11-23 04:01:28,044 INFO L226 Difference]: Without dead ends: 12757 [2021-11-23 04:01:28,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=569, Invalid=1411, Unknown=0, NotChecked=0, Total=1980 [2021-11-23 04:01:28,045 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 961 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 4388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:28,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [961 Valid, 734 Invalid, 4388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4303 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-23 04:01:28,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12757 states. [2021-11-23 04:01:28,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12757 to 5152. [2021-11-23 04:01:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5080 states have (on average 2.0159448818897636) internal successors, (10241), 5151 states have internal predecessors, (10241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 10241 transitions. [2021-11-23 04:01:28,182 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 10241 transitions. Word has length 24 [2021-11-23 04:01:28,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:28,182 INFO L470 AbstractCegarLoop]: Abstraction has 5152 states and 10241 transitions. [2021-11-23 04:01:28,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 10241 transitions. [2021-11-23 04:01:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:28,183 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:28,183 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:28,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-11-23 04:01:28,184 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:28,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:28,184 INFO L85 PathProgramCache]: Analyzing trace with hash 590691141, now seen corresponding path program 2 times [2021-11-23 04:01:28,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:28,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706615406] [2021-11-23 04:01:28,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:28,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:28,322 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:28,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706615406] [2021-11-23 04:01:28,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706615406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:28,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:28,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:28,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498800810] [2021-11-23 04:01:28,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:28,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:28,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:28,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:28,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:28,324 INFO L87 Difference]: Start difference. First operand 5152 states and 10241 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:32,583 INFO L93 Difference]: Finished difference Result 16348 states and 32393 transitions. [2021-11-23 04:01:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 04:01:32,584 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:32,611 INFO L225 Difference]: With dead ends: 16348 [2021-11-23 04:01:32,611 INFO L226 Difference]: Without dead ends: 16348 [2021-11-23 04:01:32,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=429, Invalid=1053, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 04:01:32,612 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 1220 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 3847 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 4003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:32,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1220 Valid, 906 Invalid, 4003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 3847 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 04:01:32,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-11-23 04:01:32,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 5136. [2021-11-23 04:01:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5136 states, 5064 states have (on average 2.015995260663507) internal successors, (10209), 5135 states have internal predecessors, (10209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:32,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 10209 transitions. [2021-11-23 04:01:32,736 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 10209 transitions. Word has length 24 [2021-11-23 04:01:32,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:32,736 INFO L470 AbstractCegarLoop]: Abstraction has 5136 states and 10209 transitions. [2021-11-23 04:01:32,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 10209 transitions. [2021-11-23 04:01:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:32,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:32,737 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:32,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-23 04:01:32,737 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:32,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:32,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1927529735, now seen corresponding path program 30 times [2021-11-23 04:01:32,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:32,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780580419] [2021-11-23 04:01:32,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:32,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:32,918 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:32,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780580419] [2021-11-23 04:01:32,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780580419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:32,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:32,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:32,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342338767] [2021-11-23 04:01:32,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:32,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:32,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:32,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:32,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:32,919 INFO L87 Difference]: Start difference. First operand 5136 states and 10209 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:37,733 INFO L93 Difference]: Finished difference Result 16269 states and 32243 transitions. [2021-11-23 04:01:37,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-23 04:01:37,734 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:37,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:37,759 INFO L225 Difference]: With dead ends: 16269 [2021-11-23 04:01:37,759 INFO L226 Difference]: Without dead ends: 16269 [2021-11-23 04:01:37,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=685, Invalid=1865, Unknown=0, NotChecked=0, Total=2550 [2021-11-23 04:01:37,760 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 1211 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 3726 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 3837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:37,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1211 Valid, 910 Invalid, 3837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3726 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 04:01:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16269 states. [2021-11-23 04:01:37,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16269 to 5179. [2021-11-23 04:01:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5179 states, 5107 states have (on average 2.0176228705698063) internal successors, (10304), 5178 states have internal predecessors, (10304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 5179 states and 10304 transitions. [2021-11-23 04:01:37,875 INFO L78 Accepts]: Start accepts. Automaton has 5179 states and 10304 transitions. Word has length 24 [2021-11-23 04:01:37,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:37,875 INFO L470 AbstractCegarLoop]: Abstraction has 5179 states and 10304 transitions. [2021-11-23 04:01:37,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10304 transitions. [2021-11-23 04:01:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:37,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:37,876 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:37,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-23 04:01:37,876 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:37,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1575035977, now seen corresponding path program 3 times [2021-11-23 04:01:37,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:37,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214458094] [2021-11-23 04:01:37,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:37,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:38,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:38,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214458094] [2021-11-23 04:01:38,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214458094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:38,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:38,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:38,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67805096] [2021-11-23 04:01:38,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:38,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:38,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:38,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:38,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:38,038 INFO L87 Difference]: Start difference. First operand 5179 states and 10304 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:41,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:41,455 INFO L93 Difference]: Finished difference Result 12626 states and 25018 transitions. [2021-11-23 04:01:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 04:01:41,456 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:41,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:41,473 INFO L225 Difference]: With dead ends: 12626 [2021-11-23 04:01:41,474 INFO L226 Difference]: Without dead ends: 12626 [2021-11-23 04:01:41,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=324, Invalid=798, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 04:01:41,474 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 1115 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 2920 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:41,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1115 Valid, 851 Invalid, 3080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 2920 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 04:01:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12626 states. [2021-11-23 04:01:41,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12626 to 5201. [2021-11-23 04:01:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 5129 states have (on average 2.0175472801715735) internal successors, (10348), 5200 states have internal predecessors, (10348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:41,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 10348 transitions. [2021-11-23 04:01:41,580 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 10348 transitions. Word has length 24 [2021-11-23 04:01:41,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:41,580 INFO L470 AbstractCegarLoop]: Abstraction has 5201 states and 10348 transitions. [2021-11-23 04:01:41,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:41,580 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 10348 transitions. [2021-11-23 04:01:41,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:41,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:41,581 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:41,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-11-23 04:01:41,581 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:41,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:41,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1383092725, now seen corresponding path program 31 times [2021-11-23 04:01:41,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:41,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237419027] [2021-11-23 04:01:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:41,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:41,725 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:41,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237419027] [2021-11-23 04:01:41,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237419027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:41,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:41,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:01:41,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618176436] [2021-11-23 04:01:41,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:41,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:01:41,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:41,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:01:41,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:01:41,726 INFO L87 Difference]: Start difference. First operand 5201 states and 10348 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:45,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:45,733 INFO L93 Difference]: Finished difference Result 12603 states and 24978 transitions. [2021-11-23 04:01:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-23 04:01:45,733 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:01:45,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:45,752 INFO L225 Difference]: With dead ends: 12603 [2021-11-23 04:01:45,752 INFO L226 Difference]: Without dead ends: 12603 [2021-11-23 04:01:45,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=560, Invalid=1510, Unknown=0, NotChecked=0, Total=2070 [2021-11-23 04:01:45,753 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1099 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 3408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:45,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1099 Valid, 855 Invalid, 3408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 04:01:45,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12603 states. [2021-11-23 04:01:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12603 to 5195. [2021-11-23 04:01:45,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5195 states, 5123 states have (on average 2.017763029474917) internal successors, (10337), 5194 states have internal predecessors, (10337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 5195 states and 10337 transitions. [2021-11-23 04:01:45,858 INFO L78 Accepts]: Start accepts. Automaton has 5195 states and 10337 transitions. Word has length 24 [2021-11-23 04:01:45,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:45,859 INFO L470 AbstractCegarLoop]: Abstraction has 5195 states and 10337 transitions. [2021-11-23 04:01:45,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:01:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5195 states and 10337 transitions. [2021-11-23 04:01:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:45,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:45,860 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:45,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-11-23 04:01:45,860 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:45,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:45,861 INFO L85 PathProgramCache]: Analyzing trace with hash -25697190, now seen corresponding path program 11 times [2021-11-23 04:01:45,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:45,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494612347] [2021-11-23 04:01:45,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:45,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:46,098 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:46,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494612347] [2021-11-23 04:01:46,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494612347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:46,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:46,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:01:46,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372375809] [2021-11-23 04:01:46,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:46,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:01:46,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:46,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:01:46,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:01:46,100 INFO L87 Difference]: Start difference. First operand 5195 states and 10337 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:01:50,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:50,139 INFO L93 Difference]: Finished difference Result 9825 states and 19511 transitions. [2021-11-23 04:01:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 04:01:50,139 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:01:50,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:50,152 INFO L225 Difference]: With dead ends: 9825 [2021-11-23 04:01:50,153 INFO L226 Difference]: Without dead ends: 9825 [2021-11-23 04:01:50,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2021-11-23 04:01:50,153 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 778 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:50,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 534 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 04:01:50,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9825 states. [2021-11-23 04:01:50,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9825 to 5187. [2021-11-23 04:01:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5187 states, 5115 states have (on average 2.0177908113391982) internal successors, (10321), 5186 states have internal predecessors, (10321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 5187 states and 10321 transitions. [2021-11-23 04:01:50,247 INFO L78 Accepts]: Start accepts. Automaton has 5187 states and 10321 transitions. Word has length 24 [2021-11-23 04:01:50,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:50,247 INFO L470 AbstractCegarLoop]: Abstraction has 5187 states and 10321 transitions. [2021-11-23 04:01:50,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:01:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 5187 states and 10321 transitions. [2021-11-23 04:01:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:50,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:50,248 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:50,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-23 04:01:50,248 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:50,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:50,248 INFO L85 PathProgramCache]: Analyzing trace with hash 218795160, now seen corresponding path program 12 times [2021-11-23 04:01:50,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:50,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224465448] [2021-11-23 04:01:50,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:50,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:50,537 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:50,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224465448] [2021-11-23 04:01:50,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224465448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:50,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:50,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:01:50,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850717812] [2021-11-23 04:01:50,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:50,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:01:50,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:50,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:01:50,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:01:50,539 INFO L87 Difference]: Start difference. First operand 5187 states and 10321 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:01:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:55,025 INFO L93 Difference]: Finished difference Result 9843 states and 19547 transitions. [2021-11-23 04:01:55,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 04:01:55,026 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:01:55,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:55,039 INFO L225 Difference]: With dead ends: 9843 [2021-11-23 04:01:55,039 INFO L226 Difference]: Without dead ends: 9843 [2021-11-23 04:01:55,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=317, Invalid=739, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 04:01:55,039 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 779 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 3780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:55,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 538 Invalid, 3780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3694 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 04:01:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9843 states. [2021-11-23 04:01:55,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9843 to 5179. [2021-11-23 04:01:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5179 states, 5107 states have (on average 2.017818680242804) internal successors, (10305), 5178 states have internal predecessors, (10305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:01:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 5179 states and 10305 transitions. [2021-11-23 04:01:55,127 INFO L78 Accepts]: Start accepts. Automaton has 5179 states and 10305 transitions. Word has length 24 [2021-11-23 04:01:55,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:55,127 INFO L470 AbstractCegarLoop]: Abstraction has 5179 states and 10305 transitions. [2021-11-23 04:01:55,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:01:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10305 transitions. [2021-11-23 04:01:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:01:55,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:55,128 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:01:55,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-11-23 04:01:55,128 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:01:55,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:55,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1508320128, now seen corresponding path program 13 times [2021-11-23 04:01:55,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:55,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539553327] [2021-11-23 04:01:55,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:55,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:01:55,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:55,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539553327] [2021-11-23 04:01:55,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539553327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:01:55,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:01:55,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:01:55,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786228266] [2021-11-23 04:01:55,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:01:55,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:01:55,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:01:55,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:01:55,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:01:55,413 INFO L87 Difference]: Start difference. First operand 5179 states and 10305 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:01:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:59,950 INFO L93 Difference]: Finished difference Result 9861 states and 19583 transitions. [2021-11-23 04:01:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 04:01:59,951 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:01:59,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:59,963 INFO L225 Difference]: With dead ends: 9861 [2021-11-23 04:01:59,963 INFO L226 Difference]: Without dead ends: 9861 [2021-11-23 04:01:59,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 04:01:59,964 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 778 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 3651 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 3742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:59,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 530 Invalid, 3742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3651 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 04:01:59,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9861 states. [2021-11-23 04:02:00,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 5171. [2021-11-23 04:02:00,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5171 states, 5099 states have (on average 2.017846636595411) internal successors, (10289), 5170 states have internal predecessors, (10289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 5171 states and 10289 transitions. [2021-11-23 04:02:00,074 INFO L78 Accepts]: Start accepts. Automaton has 5171 states and 10289 transitions. Word has length 24 [2021-11-23 04:02:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:00,074 INFO L470 AbstractCegarLoop]: Abstraction has 5171 states and 10289 transitions. [2021-11-23 04:02:00,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:02:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 10289 transitions. [2021-11-23 04:02:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:00,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:00,075 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:00,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-11-23 04:02:00,075 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:00,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:00,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1098608176, now seen corresponding path program 14 times [2021-11-23 04:02:00,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:00,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178747141] [2021-11-23 04:02:00,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:00,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:00,306 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:00,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178747141] [2021-11-23 04:02:00,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178747141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:00,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:00,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:02:00,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910442637] [2021-11-23 04:02:00,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:00,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:02:00,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:00,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:02:00,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:02:00,308 INFO L87 Difference]: Start difference. First operand 5171 states and 10289 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:02:04,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:04,218 INFO L93 Difference]: Finished difference Result 9845 states and 19551 transitions. [2021-11-23 04:02:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 04:02:04,218 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:02:04,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:04,231 INFO L225 Difference]: With dead ends: 9845 [2021-11-23 04:02:04,231 INFO L226 Difference]: Without dead ends: 9845 [2021-11-23 04:02:04,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=401, Invalid=931, Unknown=0, NotChecked=0, Total=1332 [2021-11-23 04:02:04,232 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 777 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 3672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:04,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 530 Invalid, 3672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3571 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 04:02:04,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9845 states. [2021-11-23 04:02:04,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9845 to 5129. [2021-11-23 04:02:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 5057 states have (on average 2.017994858611825) internal successors, (10205), 5128 states have internal predecessors, (10205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 10205 transitions. [2021-11-23 04:02:04,338 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 10205 transitions. Word has length 24 [2021-11-23 04:02:04,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:04,338 INFO L470 AbstractCegarLoop]: Abstraction has 5129 states and 10205 transitions. [2021-11-23 04:02:04,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:02:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 10205 transitions. [2021-11-23 04:02:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:04,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:04,339 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:04,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-23 04:02:04,339 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:04,339 INFO L85 PathProgramCache]: Analyzing trace with hash -2050035997, now seen corresponding path program 32 times [2021-11-23 04:02:04,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:04,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921759741] [2021-11-23 04:02:04,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:04,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:04,963 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:04,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921759741] [2021-11-23 04:02:04,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921759741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:04,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:04,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:04,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844116174] [2021-11-23 04:02:04,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:04,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:04,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:04,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:04,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:04,964 INFO L87 Difference]: Start difference. First operand 5129 states and 10205 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:09,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:09,637 INFO L93 Difference]: Finished difference Result 9797 states and 19463 transitions. [2021-11-23 04:02:09,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 04:02:09,637 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:09,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:09,649 INFO L225 Difference]: With dead ends: 9797 [2021-11-23 04:02:09,649 INFO L226 Difference]: Without dead ends: 9797 [2021-11-23 04:02:09,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=331, Invalid=859, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 04:02:09,650 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 768 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:09,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 677 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 04:02:09,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9797 states. [2021-11-23 04:02:09,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9797 to 5118. [2021-11-23 04:02:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 5046 states have (on average 2.0180340864050734) internal successors, (10183), 5117 states have internal predecessors, (10183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:09,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 10183 transitions. [2021-11-23 04:02:09,733 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 10183 transitions. Word has length 24 [2021-11-23 04:02:09,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:09,733 INFO L470 AbstractCegarLoop]: Abstraction has 5118 states and 10183 transitions. [2021-11-23 04:02:09,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 10183 transitions. [2021-11-23 04:02:09,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:09,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:09,734 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:09,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-11-23 04:02:09,734 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:09,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:09,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1806912805, now seen corresponding path program 33 times [2021-11-23 04:02:09,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:09,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976169732] [2021-11-23 04:02:09,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:09,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:10,294 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:10,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976169732] [2021-11-23 04:02:10,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976169732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:10,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:10,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:10,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731448865] [2021-11-23 04:02:10,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:10,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:10,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:10,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:10,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:10,296 INFO L87 Difference]: Start difference. First operand 5118 states and 10183 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:15,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:15,364 INFO L93 Difference]: Finished difference Result 9802 states and 19473 transitions. [2021-11-23 04:02:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-23 04:02:15,365 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:15,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:15,376 INFO L225 Difference]: With dead ends: 9802 [2021-11-23 04:02:15,376 INFO L226 Difference]: Without dead ends: 9802 [2021-11-23 04:02:15,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=353, Invalid=907, Unknown=0, NotChecked=0, Total=1260 [2021-11-23 04:02:15,377 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 767 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:15,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 695 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-23 04:02:15,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2021-11-23 04:02:15,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 5119. [2021-11-23 04:02:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 5047 states have (on average 2.0180305131761442) internal successors, (10185), 5118 states have internal predecessors, (10185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 10185 transitions. [2021-11-23 04:02:15,456 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 10185 transitions. Word has length 24 [2021-11-23 04:02:15,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:15,456 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 10185 transitions. [2021-11-23 04:02:15,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 10185 transitions. [2021-11-23 04:02:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:15,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:15,457 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:15,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-11-23 04:02:15,458 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:15,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:15,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1802250715, now seen corresponding path program 34 times [2021-11-23 04:02:15,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:15,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796766591] [2021-11-23 04:02:15,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:15,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:15,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:15,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796766591] [2021-11-23 04:02:15,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796766591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:15,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:15,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:15,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699152965] [2021-11-23 04:02:15,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:15,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:15,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:15,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:15,950 INFO L87 Difference]: Start difference. First operand 5119 states and 10185 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:19,883 INFO L93 Difference]: Finished difference Result 9810 states and 19489 transitions. [2021-11-23 04:02:19,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-23 04:02:19,884 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:19,898 INFO L225 Difference]: With dead ends: 9810 [2021-11-23 04:02:19,898 INFO L226 Difference]: Without dead ends: 9810 [2021-11-23 04:02:19,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=393, Invalid=939, Unknown=0, NotChecked=0, Total=1332 [2021-11-23 04:02:19,898 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 847 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 3485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:19,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 657 Invalid, 3485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 04:02:19,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9810 states. [2021-11-23 04:02:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9810 to 5107. [2021-11-23 04:02:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5107 states, 5035 states have (on average 2.0180734856007945) internal successors, (10161), 5106 states have internal predecessors, (10161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 5107 states and 10161 transitions. [2021-11-23 04:02:19,996 INFO L78 Accepts]: Start accepts. Automaton has 5107 states and 10161 transitions. Word has length 24 [2021-11-23 04:02:19,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:19,997 INFO L470 AbstractCegarLoop]: Abstraction has 5107 states and 10161 transitions. [2021-11-23 04:02:19,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 10161 transitions. [2021-11-23 04:02:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:19,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:19,998 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:19,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-11-23 04:02:19,998 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:19,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:19,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1507642269, now seen corresponding path program 35 times [2021-11-23 04:02:19,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:19,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952200204] [2021-11-23 04:02:19,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:19,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:20,688 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:20,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952200204] [2021-11-23 04:02:20,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952200204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:20,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:20,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:20,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692642933] [2021-11-23 04:02:20,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:20,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:20,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:20,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:20,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:20,689 INFO L87 Difference]: Start difference. First operand 5107 states and 10161 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:26,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:26,716 INFO L93 Difference]: Finished difference Result 9808 states and 19485 transitions. [2021-11-23 04:02:26,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 04:02:26,717 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:26,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:26,742 INFO L225 Difference]: With dead ends: 9808 [2021-11-23 04:02:26,742 INFO L226 Difference]: Without dead ends: 9808 [2021-11-23 04:02:26,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=310, Invalid=812, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 04:02:26,743 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 737 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 4969 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 5094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 4969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:26,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 706 Invalid, 5094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 4969 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-11-23 04:02:26,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9808 states. [2021-11-23 04:02:26,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9808 to 5109. [2021-11-23 04:02:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5109 states, 5037 states have (on average 2.0180663093110978) internal successors, (10165), 5108 states have internal predecessors, (10165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 10165 transitions. [2021-11-23 04:02:26,849 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 10165 transitions. Word has length 24 [2021-11-23 04:02:26,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:26,849 INFO L470 AbstractCegarLoop]: Abstraction has 5109 states and 10165 transitions. [2021-11-23 04:02:26,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 10165 transitions. [2021-11-23 04:02:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:26,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:26,850 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:26,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-11-23 04:02:26,850 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:26,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:26,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1502980179, now seen corresponding path program 36 times [2021-11-23 04:02:26,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:26,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172616963] [2021-11-23 04:02:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:26,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:27,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:27,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172616963] [2021-11-23 04:02:27,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172616963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:27,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:27,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:27,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096032801] [2021-11-23 04:02:27,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:27,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:27,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:27,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:27,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:27,208 INFO L87 Difference]: Start difference. First operand 5109 states and 10165 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:31,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:31,590 INFO L93 Difference]: Finished difference Result 9817 states and 19503 transitions. [2021-11-23 04:02:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 04:02:31,591 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:31,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:31,607 INFO L225 Difference]: With dead ends: 9817 [2021-11-23 04:02:31,607 INFO L226 Difference]: Without dead ends: 9817 [2021-11-23 04:02:31,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=411, Invalid=995, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 04:02:31,608 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 873 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 3963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:31,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [873 Valid, 669 Invalid, 3963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 3804 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 04:02:31,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9817 states. [2021-11-23 04:02:31,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9817 to 5108. [2021-11-23 04:02:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5108 states, 5036 states have (on average 2.018069896743447) internal successors, (10163), 5107 states have internal predecessors, (10163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 10163 transitions. [2021-11-23 04:02:31,696 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 10163 transitions. Word has length 24 [2021-11-23 04:02:31,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:31,696 INFO L470 AbstractCegarLoop]: Abstraction has 5108 states and 10163 transitions. [2021-11-23 04:02:31,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 10163 transitions. [2021-11-23 04:02:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:31,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:31,697 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:31,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-11-23 04:02:31,697 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:31,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:31,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1357532829, now seen corresponding path program 37 times [2021-11-23 04:02:31,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:31,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559736889] [2021-11-23 04:02:31,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:31,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:32,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:32,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559736889] [2021-11-23 04:02:32,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559736889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:32,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:32,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:32,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530917319] [2021-11-23 04:02:32,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:32,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:32,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:32,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:32,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:32,146 INFO L87 Difference]: Start difference. First operand 5108 states and 10163 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:36,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:36,614 INFO L93 Difference]: Finished difference Result 9823 states and 19515 transitions. [2021-11-23 04:02:36,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 04:02:36,614 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:36,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:36,628 INFO L225 Difference]: With dead ends: 9823 [2021-11-23 04:02:36,628 INFO L226 Difference]: Without dead ends: 9823 [2021-11-23 04:02:36,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=452, Invalid=1030, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 04:02:36,629 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 882 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 3548 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 3706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:36,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 659 Invalid, 3706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 3548 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 04:02:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9823 states. [2021-11-23 04:02:36,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9823 to 5096. [2021-11-23 04:02:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5096 states, 5024 states have (on average 2.018113057324841) internal successors, (10139), 5095 states have internal predecessors, (10139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:36,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5096 states to 5096 states and 10139 transitions. [2021-11-23 04:02:36,724 INFO L78 Accepts]: Start accepts. Automaton has 5096 states and 10139 transitions. Word has length 24 [2021-11-23 04:02:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:36,724 INFO L470 AbstractCegarLoop]: Abstraction has 5096 states and 10139 transitions. [2021-11-23 04:02:36,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 5096 states and 10139 transitions. [2021-11-23 04:02:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:36,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:36,725 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:36,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-11-23 04:02:36,725 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1845891749, now seen corresponding path program 38 times [2021-11-23 04:02:36,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:36,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157085008] [2021-11-23 04:02:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:36,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:37,466 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:37,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157085008] [2021-11-23 04:02:37,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157085008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:37,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:37,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:37,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783988084] [2021-11-23 04:02:37,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:37,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:37,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:37,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:37,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:37,468 INFO L87 Difference]: Start difference. First operand 5096 states and 10139 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:41,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:41,498 INFO L93 Difference]: Finished difference Result 9804 states and 19477 transitions. [2021-11-23 04:02:41,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-23 04:02:41,499 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:41,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:41,512 INFO L225 Difference]: With dead ends: 9804 [2021-11-23 04:02:41,513 INFO L226 Difference]: Without dead ends: 9804 [2021-11-23 04:02:41,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2021-11-23 04:02:41,513 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 738 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 3463 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 3560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:41,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 660 Invalid, 3560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3463 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 04:02:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9804 states. [2021-11-23 04:02:41,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9804 to 5095. [2021-11-23 04:02:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5095 states, 5023 states have (on average 2.0181166633485965) internal successors, (10137), 5094 states have internal predecessors, (10137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 10137 transitions. [2021-11-23 04:02:41,623 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 10137 transitions. Word has length 24 [2021-11-23 04:02:41,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:41,623 INFO L470 AbstractCegarLoop]: Abstraction has 5095 states and 10137 transitions. [2021-11-23 04:02:41,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 10137 transitions. [2021-11-23 04:02:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:41,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:41,624 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:41,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-11-23 04:02:41,625 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:41,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:41,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1841229659, now seen corresponding path program 39 times [2021-11-23 04:02:41,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:41,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028946474] [2021-11-23 04:02:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:41,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:42,057 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:42,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028946474] [2021-11-23 04:02:42,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028946474] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:42,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:42,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:42,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037307062] [2021-11-23 04:02:42,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:42,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:42,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:42,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:42,058 INFO L87 Difference]: Start difference. First operand 5095 states and 10137 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:44,593 INFO L93 Difference]: Finished difference Result 8217 states and 16327 transitions. [2021-11-23 04:02:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 04:02:44,593 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:44,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:44,603 INFO L225 Difference]: With dead ends: 8217 [2021-11-23 04:02:44,604 INFO L226 Difference]: Without dead ends: 8217 [2021-11-23 04:02:44,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2021-11-23 04:02:44,604 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 475 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:44,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [475 Valid, 478 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 04:02:44,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8217 states. [2021-11-23 04:02:44,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8217 to 5094. [2021-11-23 04:02:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5094 states, 5022 states have (on average 2.018120270808443) internal successors, (10135), 5093 states have internal predecessors, (10135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 5094 states and 10135 transitions. [2021-11-23 04:02:44,705 INFO L78 Accepts]: Start accepts. Automaton has 5094 states and 10135 transitions. Word has length 24 [2021-11-23 04:02:44,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:44,705 INFO L470 AbstractCegarLoop]: Abstraction has 5094 states and 10135 transitions. [2021-11-23 04:02:44,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:44,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5094 states and 10135 transitions. [2021-11-23 04:02:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:44,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:44,706 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:44,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-11-23 04:02:44,706 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:44,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:44,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1695782309, now seen corresponding path program 40 times [2021-11-23 04:02:44,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:44,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162705908] [2021-11-23 04:02:44,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:44,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:45,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:45,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162705908] [2021-11-23 04:02:45,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162705908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:45,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:45,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:45,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686943622] [2021-11-23 04:02:45,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:45,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:45,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:45,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:45,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:45,115 INFO L87 Difference]: Start difference. First operand 5094 states and 10135 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:49,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:49,191 INFO L93 Difference]: Finished difference Result 9824 states and 19517 transitions. [2021-11-23 04:02:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-23 04:02:49,191 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:49,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:49,203 INFO L225 Difference]: With dead ends: 9824 [2021-11-23 04:02:49,203 INFO L226 Difference]: Without dead ends: 9824 [2021-11-23 04:02:49,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=466, Invalid=1094, Unknown=0, NotChecked=0, Total=1560 [2021-11-23 04:02:49,204 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 825 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 3821 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 3959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:49,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 669 Invalid, 3959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 3821 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 04:02:49,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9824 states. [2021-11-23 04:02:49,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9824 to 5093. [2021-11-23 04:02:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5093 states, 5021 states have (on average 2.018123879705238) internal successors, (10133), 5092 states have internal predecessors, (10133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 5093 states and 10133 transitions. [2021-11-23 04:02:49,287 INFO L78 Accepts]: Start accepts. Automaton has 5093 states and 10133 transitions. Word has length 24 [2021-11-23 04:02:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:49,287 INFO L470 AbstractCegarLoop]: Abstraction has 5093 states and 10133 transitions. [2021-11-23 04:02:49,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 10133 transitions. [2021-11-23 04:02:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:49,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:49,288 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:49,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-11-23 04:02:49,288 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:49,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:49,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1453282395, now seen corresponding path program 41 times [2021-11-23 04:02:49,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:49,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51892411] [2021-11-23 04:02:49,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:49,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:49,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:49,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51892411] [2021-11-23 04:02:49,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51892411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:49,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:49,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:49,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660683996] [2021-11-23 04:02:49,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:49,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:49,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:49,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:49,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:49,720 INFO L87 Difference]: Start difference. First operand 5093 states and 10133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:53,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:53,865 INFO L93 Difference]: Finished difference Result 8364 states and 16617 transitions. [2021-11-23 04:02:53,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-23 04:02:53,865 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:53,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:53,875 INFO L225 Difference]: With dead ends: 8364 [2021-11-23 04:02:53,875 INFO L226 Difference]: Without dead ends: 8364 [2021-11-23 04:02:53,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=462, Invalid=1098, Unknown=0, NotChecked=0, Total=1560 [2021-11-23 04:02:53,876 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 531 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 4110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:53,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 519 Invalid, 4110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3947 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 04:02:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8364 states. [2021-11-23 04:02:53,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8364 to 5043. [2021-11-23 04:02:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5043 states, 4971 states have (on average 2.017501508750754) internal successors, (10029), 5042 states have internal predecessors, (10029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 10029 transitions. [2021-11-23 04:02:53,952 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 10029 transitions. Word has length 24 [2021-11-23 04:02:53,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:53,952 INFO L470 AbstractCegarLoop]: Abstraction has 5043 states and 10029 transitions. [2021-11-23 04:02:53,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 10029 transitions. [2021-11-23 04:02:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:53,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:53,953 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:53,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-11-23 04:02:53,953 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:53,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:53,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1711672989, now seen corresponding path program 42 times [2021-11-23 04:02:53,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:53,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885083213] [2021-11-23 04:02:53,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:53,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:54,222 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:54,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885083213] [2021-11-23 04:02:54,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885083213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:54,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:54,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:54,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688247435] [2021-11-23 04:02:54,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:54,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:54,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:54,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:54,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:54,224 INFO L87 Difference]: Start difference. First operand 5043 states and 10029 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:57,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:57,213 INFO L93 Difference]: Finished difference Result 8600 states and 17079 transitions. [2021-11-23 04:02:57,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 04:02:57,214 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:02:57,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:57,224 INFO L225 Difference]: With dead ends: 8600 [2021-11-23 04:02:57,225 INFO L226 Difference]: Without dead ends: 8600 [2021-11-23 04:02:57,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=367, Invalid=1039, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 04:02:57,225 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 995 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 2264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:57,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [995 Valid, 858 Invalid, 2264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 04:02:57,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8600 states. [2021-11-23 04:02:57,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8600 to 5048. [2021-11-23 04:02:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5048 states, 4976 states have (on average 2.017483922829582) internal successors, (10039), 5047 states have internal predecessors, (10039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:02:57,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 10039 transitions. [2021-11-23 04:02:57,302 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 10039 transitions. Word has length 24 [2021-11-23 04:02:57,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:02:57,302 INFO L470 AbstractCegarLoop]: Abstraction has 5048 states and 10039 transitions. [2021-11-23 04:02:57,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:02:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 10039 transitions. [2021-11-23 04:02:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:02:57,303 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:57,303 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:02:57,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-11-23 04:02:57,303 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:02:57,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:57,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1707010899, now seen corresponding path program 43 times [2021-11-23 04:02:57,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:02:57,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592138587] [2021-11-23 04:02:57,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:57,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:02:57,706 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:02:57,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592138587] [2021-11-23 04:02:57,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592138587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:57,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:57,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:02:57,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051786777] [2021-11-23 04:02:57,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:57,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:02:57,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:57,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:02:57,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:02:57,708 INFO L87 Difference]: Start difference. First operand 5048 states and 10039 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:03:02,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:02,467 INFO L93 Difference]: Finished difference Result 8624 states and 17127 transitions. [2021-11-23 04:03:02,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 04:03:02,467 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:03:02,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:02,479 INFO L225 Difference]: With dead ends: 8624 [2021-11-23 04:03:02,479 INFO L226 Difference]: Without dead ends: 8624 [2021-11-23 04:03:02,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=401, Invalid=1081, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 04:03:02,479 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 971 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 3341 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:02,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [971 Valid, 902 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3341 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 04:03:02,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-11-23 04:03:02,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 5056. [2021-11-23 04:03:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 4984 states have (on average 2.0174558587479936) internal successors, (10055), 5055 states have internal predecessors, (10055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 10055 transitions. [2021-11-23 04:03:02,581 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 10055 transitions. Word has length 24 [2021-11-23 04:03:02,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:02,581 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 10055 transitions. [2021-11-23 04:03:02,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:03:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 10055 transitions. [2021-11-23 04:03:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:02,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:02,582 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:02,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-11-23 04:03:02,582 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:02,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:02,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1561563549, now seen corresponding path program 44 times [2021-11-23 04:03:02,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:02,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205355774] [2021-11-23 04:03:02,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:02,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:02,799 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:02,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205355774] [2021-11-23 04:03:02,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205355774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:02,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:02,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:03:02,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653927685] [2021-11-23 04:03:02,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:02,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:03:02,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:02,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:03:02,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:03:02,800 INFO L87 Difference]: Start difference. First operand 5056 states and 10055 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:03:06,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:06,310 INFO L93 Difference]: Finished difference Result 8648 states and 17175 transitions. [2021-11-23 04:03:06,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-23 04:03:06,310 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:03:06,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:06,349 INFO L225 Difference]: With dead ends: 8648 [2021-11-23 04:03:06,349 INFO L226 Difference]: Without dead ends: 8648 [2021-11-23 04:03:06,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 04:03:06,350 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 940 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 2454 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:06,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [940 Valid, 868 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2454 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 04:03:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8648 states. [2021-11-23 04:03:06,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8648 to 5064. [2021-11-23 04:03:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 4992 states have (on average 2.0174278846153846) internal successors, (10071), 5063 states have internal predecessors, (10071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 10071 transitions. [2021-11-23 04:03:06,420 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 10071 transitions. Word has length 24 [2021-11-23 04:03:06,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:06,420 INFO L470 AbstractCegarLoop]: Abstraction has 5064 states and 10071 transitions. [2021-11-23 04:03:06,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:03:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 10071 transitions. [2021-11-23 04:03:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:06,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:06,421 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:06,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-11-23 04:03:06,421 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:06,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:06,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1319063635, now seen corresponding path program 45 times [2021-11-23 04:03:06,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:06,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705274021] [2021-11-23 04:03:06,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:06,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:06,604 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:06,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705274021] [2021-11-23 04:03:06,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705274021] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:06,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:06,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:03:06,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351762677] [2021-11-23 04:03:06,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:06,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:03:06,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:06,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:03:06,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:03:06,605 INFO L87 Difference]: Start difference. First operand 5064 states and 10071 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:10,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:10,721 INFO L93 Difference]: Finished difference Result 8852 states and 17583 transitions. [2021-11-23 04:03:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-23 04:03:10,722 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:03:10,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:10,732 INFO L225 Difference]: With dead ends: 8852 [2021-11-23 04:03:10,732 INFO L226 Difference]: Without dead ends: 8852 [2021-11-23 04:03:10,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=361, Invalid=899, Unknown=0, NotChecked=0, Total=1260 [2021-11-23 04:03:10,732 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 683 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 3737 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 3804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:10,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [683 Valid, 704 Invalid, 3804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3737 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 04:03:10,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8852 states. [2021-11-23 04:03:10,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8852 to 5072. [2021-11-23 04:03:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 5000 states have (on average 2.0174) internal successors, (10087), 5071 states have internal predecessors, (10087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 10087 transitions. [2021-11-23 04:03:10,807 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 10087 transitions. Word has length 24 [2021-11-23 04:03:10,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:10,807 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 10087 transitions. [2021-11-23 04:03:10,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 10087 transitions. [2021-11-23 04:03:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:10,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:10,808 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:10,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-11-23 04:03:10,808 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash -941721045, now seen corresponding path program 4 times [2021-11-23 04:03:10,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:10,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293751255] [2021-11-23 04:03:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:10,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:11,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:11,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293751255] [2021-11-23 04:03:11,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293751255] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:11,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:11,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:03:11,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492664220] [2021-11-23 04:03:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:11,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:03:11,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:11,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:03:11,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:03:11,075 INFO L87 Difference]: Start difference. First operand 5072 states and 10087 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:03:16,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:16,087 INFO L93 Difference]: Finished difference Result 12416 states and 24648 transitions. [2021-11-23 04:03:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 04:03:16,088 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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 [2021-11-23 04:03:16,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:16,104 INFO L225 Difference]: With dead ends: 12416 [2021-11-23 04:03:16,104 INFO L226 Difference]: Without dead ends: 12416 [2021-11-23 04:03:16,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=466, Invalid=1094, Unknown=0, NotChecked=0, Total=1560 [2021-11-23 04:03:16,105 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1445 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 4211 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 4341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 4211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:16,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1445 Valid, 1116 Invalid, 4341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 4211 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 04:03:16,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12416 states. [2021-11-23 04:03:16,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12416 to 5071. [2021-11-23 04:03:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 4999 states have (on average 2.018203640728146) internal successors, (10089), 5070 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 10089 transitions. [2021-11-23 04:03:16,195 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 10089 transitions. Word has length 24 [2021-11-23 04:03:16,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:16,195 INFO L470 AbstractCegarLoop]: Abstraction has 5071 states and 10089 transitions. [2021-11-23 04:03:16,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2021-11-23 04:03:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 10089 transitions. [2021-11-23 04:03:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:16,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:16,196 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:16,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-11-23 04:03:16,196 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:16,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash 395117549, now seen corresponding path program 46 times [2021-11-23 04:03:16,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:16,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463668474] [2021-11-23 04:03:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:16,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:16,400 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:16,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463668474] [2021-11-23 04:03:16,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463668474] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:16,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:16,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:03:16,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629070495] [2021-11-23 04:03:16,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:16,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:03:16,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:16,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:03:16,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:03:16,401 INFO L87 Difference]: Start difference. First operand 5071 states and 10089 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:21,929 INFO L93 Difference]: Finished difference Result 12364 states and 24550 transitions. [2021-11-23 04:03:21,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-23 04:03:21,930 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:03:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:21,946 INFO L225 Difference]: With dead ends: 12364 [2021-11-23 04:03:21,946 INFO L226 Difference]: Without dead ends: 12364 [2021-11-23 04:03:21,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1276, Unknown=0, NotChecked=0, Total=1722 [2021-11-23 04:03:21,946 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 983 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 5030 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 5111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 5030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:21,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [983 Valid, 916 Invalid, 5111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 5030 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-23 04:03:21,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12364 states. [2021-11-23 04:03:22,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12364 to 5033. [2021-11-23 04:03:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5033 states, 4961 states have (on average 2.017536786938117) internal successors, (10009), 5032 states have internal predecessors, (10009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:22,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 10009 transitions. [2021-11-23 04:03:22,034 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 10009 transitions. Word has length 24 [2021-11-23 04:03:22,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:22,034 INFO L470 AbstractCegarLoop]: Abstraction has 5033 states and 10009 transitions. [2021-11-23 04:03:22,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 10009 transitions. [2021-11-23 04:03:22,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:22,035 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:22,035 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:22,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-11-23 04:03:22,035 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:22,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:22,035 INFO L85 PathProgramCache]: Analyzing trace with hash 42623791, now seen corresponding path program 5 times [2021-11-23 04:03:22,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:22,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112018253] [2021-11-23 04:03:22,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:22,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:22,201 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:22,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112018253] [2021-11-23 04:03:22,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112018253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:22,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:22,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:03:22,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568274112] [2021-11-23 04:03:22,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:22,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:03:22,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:22,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:03:22,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:03:22,202 INFO L87 Difference]: Start difference. First operand 5033 states and 10009 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:27,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:27,252 INFO L93 Difference]: Finished difference Result 16093 states and 31947 transitions. [2021-11-23 04:03:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 04:03:27,253 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:03:27,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:27,276 INFO L225 Difference]: With dead ends: 16093 [2021-11-23 04:03:27,276 INFO L226 Difference]: Without dead ends: 16093 [2021-11-23 04:03:27,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=338, Invalid=784, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 04:03:27,276 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 939 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:27,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [939 Valid, 1076 Invalid, 4816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-23 04:03:27,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16093 states. [2021-11-23 04:03:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16093 to 5075. [2021-11-23 04:03:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 5003 states have (on average 2.018189086548071) internal successors, (10097), 5074 states have internal predecessors, (10097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 10097 transitions. [2021-11-23 04:03:27,387 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 10097 transitions. Word has length 24 [2021-11-23 04:03:27,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:27,387 INFO L470 AbstractCegarLoop]: Abstraction has 5075 states and 10097 transitions. [2021-11-23 04:03:27,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 10097 transitions. [2021-11-23 04:03:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:27,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:27,388 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:27,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-11-23 04:03:27,388 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:27,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:27,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1379462385, now seen corresponding path program 47 times [2021-11-23 04:03:27,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:27,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760504418] [2021-11-23 04:03:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:27,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:27,561 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:27,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760504418] [2021-11-23 04:03:27,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760504418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:27,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:27,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:03:27,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891047787] [2021-11-23 04:03:27,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:27,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:03:27,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:27,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:03:27,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:03:27,563 INFO L87 Difference]: Start difference. First operand 5075 states and 10097 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:03:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:35,296 INFO L93 Difference]: Finished difference Result 15988 states and 31741 transitions. [2021-11-23 04:03:35,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-23 04:03:35,296 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:03:35,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:35,319 INFO L225 Difference]: With dead ends: 15988 [2021-11-23 04:03:35,319 INFO L226 Difference]: Without dead ends: 15988 [2021-11-23 04:03:35,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1731 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1144, Invalid=3826, Unknown=0, NotChecked=0, Total=4970 [2021-11-23 04:03:35,319 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1258 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 6717 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 6822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 6717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:35,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1258 Valid, 1193 Invalid, 6822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 6717 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-23 04:03:35,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15988 states. [2021-11-23 04:03:35,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15988 to 5032. [2021-11-23 04:03:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5032 states, 4960 states have (on average 2.017540322580645) internal successors, (10007), 5031 states have internal predecessors, (10007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 10007 transitions. [2021-11-23 04:03:35,441 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 10007 transitions. Word has length 24 [2021-11-23 04:03:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:35,441 INFO L470 AbstractCegarLoop]: Abstraction has 5032 states and 10007 transitions. [2021-11-23 04:03:35,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:03:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 10007 transitions. [2021-11-23 04:03:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:35,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:35,443 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:35,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-11-23 04:03:35,443 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:35,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:35,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1129202795, now seen corresponding path program 6 times [2021-11-23 04:03:35,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:35,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538638987] [2021-11-23 04:03:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:35,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:35,659 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:35,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538638987] [2021-11-23 04:03:35,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538638987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:35,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:35,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:03:35,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824923665] [2021-11-23 04:03:35,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:35,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:03:35,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:35,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:03:35,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:03:35,660 INFO L87 Difference]: Start difference. First operand 5032 states and 10007 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:38,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:38,407 INFO L93 Difference]: Finished difference Result 5401 states and 10743 transitions. [2021-11-23 04:03:38,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 04:03:38,408 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:03:38,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:38,414 INFO L225 Difference]: With dead ends: 5401 [2021-11-23 04:03:38,414 INFO L226 Difference]: Without dead ends: 5401 [2021-11-23 04:03:38,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=423, Unknown=0, NotChecked=0, Total=650 [2021-11-23 04:03:38,415 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 479 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:38,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 383 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 04:03:38,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2021-11-23 04:03:38,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 5064. [2021-11-23 04:03:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 4992 states have (on average 2.0180288461538463) internal successors, (10074), 5063 states have internal predecessors, (10074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 10074 transitions. [2021-11-23 04:03:38,482 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 10074 transitions. Word has length 24 [2021-11-23 04:03:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:38,482 INFO L470 AbstractCegarLoop]: Abstraction has 5064 states and 10074 transitions. [2021-11-23 04:03:38,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 10074 transitions. [2021-11-23 04:03:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:38,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:38,483 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:38,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-11-23 04:03:38,483 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:38,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1808699939, now seen corresponding path program 7 times [2021-11-23 04:03:38,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:38,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514285423] [2021-11-23 04:03:38,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:38,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:38,661 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:38,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514285423] [2021-11-23 04:03:38,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514285423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:38,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:38,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:03:38,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54052180] [2021-11-23 04:03:38,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:38,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:03:38,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:38,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:03:38,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:03:38,662 INFO L87 Difference]: Start difference. First operand 5064 states and 10074 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:41,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:41,931 INFO L93 Difference]: Finished difference Result 8701 states and 17281 transitions. [2021-11-23 04:03:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 04:03:41,932 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-23 04:03:41,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:41,943 INFO L225 Difference]: With dead ends: 8701 [2021-11-23 04:03:41,943 INFO L226 Difference]: Without dead ends: 8701 [2021-11-23 04:03:41,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=256, Invalid=556, Unknown=0, NotChecked=0, Total=812 [2021-11-23 04:03:41,943 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 775 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 2706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:41,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [775 Valid, 832 Invalid, 2706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 04:03:41,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8701 states. [2021-11-23 04:03:42,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8701 to 4876. [2021-11-23 04:03:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4876 states, 4806 states have (on average 2.0172700790678317) internal successors, (9695), 4875 states have internal predecessors, (9695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4876 states and 9695 transitions. [2021-11-23 04:03:42,020 INFO L78 Accepts]: Start accepts. Automaton has 4876 states and 9695 transitions. Word has length 24 [2021-11-23 04:03:42,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:42,020 INFO L470 AbstractCegarLoop]: Abstraction has 4876 states and 9695 transitions. [2021-11-23 04:03:42,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-23 04:03:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 9695 transitions. [2021-11-23 04:03:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 04:03:42,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:42,021 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:42,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-11-23 04:03:42,021 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:42,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1149428763, now seen corresponding path program 48 times [2021-11-23 04:03:42,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:42,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078642177] [2021-11-23 04:03:42,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:42,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:42,222 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:42,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078642177] [2021-11-23 04:03:42,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078642177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:42,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:42,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:03:42,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606705510] [2021-11-23 04:03:42,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:42,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:03:42,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:42,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:03:42,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:03:42,223 INFO L87 Difference]: Start difference. First operand 4876 states and 9695 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:03:45,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:45,893 INFO L93 Difference]: Finished difference Result 8624 states and 17128 transitions. [2021-11-23 04:03:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-23 04:03:45,894 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-23 04:03:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:45,904 INFO L225 Difference]: With dead ends: 8624 [2021-11-23 04:03:45,904 INFO L226 Difference]: Without dead ends: 8624 [2021-11-23 04:03:45,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=569, Invalid=1783, Unknown=0, NotChecked=0, Total=2352 [2021-11-23 04:03:45,905 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 1124 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:45,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 876 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 04:03:45,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-11-23 04:03:45,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 4790. [2021-11-23 04:03:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4790 states, 4720 states have (on average 2.0165254237288135) internal successors, (9518), 4789 states have internal predecessors, (9518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 9518 transitions. [2021-11-23 04:03:45,978 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 9518 transitions. Word has length 24 [2021-11-23 04:03:45,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:45,978 INFO L470 AbstractCegarLoop]: Abstraction has 4790 states and 9518 transitions. [2021-11-23 04:03:45,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-23 04:03:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 9518 transitions. [2021-11-23 04:03:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 04:03:45,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:45,979 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:45,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-11-23 04:03:45,979 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:45,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2029735272, now seen corresponding path program 1 times [2021-11-23 04:03:45,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:45,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161598352] [2021-11-23 04:03:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:45,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:46,046 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:46,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161598352] [2021-11-23 04:03:46,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161598352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:46,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:46,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:03:46,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483103082] [2021-11-23 04:03:46,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:46,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 04:03:46,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:46,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 04:03:46,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:03:46,047 INFO L87 Difference]: Start difference. First operand 4790 states and 9518 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2021-11-23 04:03:46,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:46,715 INFO L93 Difference]: Finished difference Result 4992 states and 9916 transitions. [2021-11-23 04:03:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 04:03:46,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 [2021-11-23 04:03:46,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:46,721 INFO L225 Difference]: With dead ends: 4992 [2021-11-23 04:03:46,722 INFO L226 Difference]: Without dead ends: 4992 [2021-11-23 04:03:46,722 INFO L932 BasicCegarLoop]: 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 [2021-11-23 04:03:46,722 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 104 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:46,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 103 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 04:03:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2021-11-23 04:03:46,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4992. [2021-11-23 04:03:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4992 states, 4922 states have (on average 2.0146281999187323) internal successors, (9916), 4991 states have internal predecessors, (9916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 9916 transitions. [2021-11-23 04:03:46,802 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 9916 transitions. Word has length 27 [2021-11-23 04:03:46,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:46,802 INFO L470 AbstractCegarLoop]: Abstraction has 4992 states and 9916 transitions. [2021-11-23 04:03:46,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2021-11-23 04:03:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 9916 transitions. [2021-11-23 04:03:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 04:03:46,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:46,803 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:46,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-11-23 04:03:46,803 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:46,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:46,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1043111271, now seen corresponding path program 1 times [2021-11-23 04:03:46,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:46,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481728897] [2021-11-23 04:03:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:46,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:46,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:46,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481728897] [2021-11-23 04:03:46,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481728897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:46,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:46,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:03:46,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395089276] [2021-11-23 04:03:46,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:46,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 04:03:46,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:46,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 04:03:46,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:03:46,888 INFO L87 Difference]: Start difference. First operand 4992 states and 9916 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:48,290 INFO L93 Difference]: Finished difference Result 5333 states and 10597 transitions. [2021-11-23 04:03:48,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 04:03:48,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-11-23 04:03:48,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:48,296 INFO L225 Difference]: With dead ends: 5333 [2021-11-23 04:03:48,296 INFO L226 Difference]: Without dead ends: 5333 [2021-11-23 04:03:48,297 INFO L932 BasicCegarLoop]: 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 [2021-11-23 04:03:48,297 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 133 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:48,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 129 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 04:03:48,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-11-23 04:03:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5254. [2021-11-23 04:03:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5254 states, 5184 states have (on average 2.013695987654321) internal successors, (10439), 5253 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 10439 transitions. [2021-11-23 04:03:48,359 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 10439 transitions. Word has length 28 [2021-11-23 04:03:48,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:48,359 INFO L470 AbstractCegarLoop]: Abstraction has 5254 states and 10439 transitions. [2021-11-23 04:03:48,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:48,360 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 10439 transitions. [2021-11-23 04:03:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:03:48,360 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:48,361 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:48,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-11-23 04:03:48,361 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:48,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:48,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1006785891, now seen corresponding path program 1 times [2021-11-23 04:03:48,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:48,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524155680] [2021-11-23 04:03:48,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:48,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:48,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:48,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524155680] [2021-11-23 04:03:48,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524155680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:48,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:48,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 04:03:48,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189224535] [2021-11-23 04:03:48,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:48,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:03:48,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:48,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:03:48,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:03:48,504 INFO L87 Difference]: Start difference. First operand 5254 states and 10439 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:50,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:50,662 INFO L93 Difference]: Finished difference Result 13969 states and 27658 transitions. [2021-11-23 04:03:50,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 04:03:50,662 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:03:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:50,681 INFO L225 Difference]: With dead ends: 13969 [2021-11-23 04:03:50,681 INFO L226 Difference]: Without dead ends: 13969 [2021-11-23 04:03:50,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-23 04:03:50,682 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 726 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:50,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 521 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 04:03:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13969 states. [2021-11-23 04:03:50,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13969 to 5540. [2021-11-23 04:03:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5540 states, 5470 states have (on average 2.013711151736746) internal successors, (11015), 5539 states have internal predecessors, (11015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 11015 transitions. [2021-11-23 04:03:50,785 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 11015 transitions. Word has length 30 [2021-11-23 04:03:50,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:50,786 INFO L470 AbstractCegarLoop]: Abstraction has 5540 states and 11015 transitions. [2021-11-23 04:03:50,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:50,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 11015 transitions. [2021-11-23 04:03:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:03:50,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:50,787 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:50,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-11-23 04:03:50,788 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:50,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:50,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1099402367, now seen corresponding path program 1 times [2021-11-23 04:03:50,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:50,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147648133] [2021-11-23 04:03:50,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:50,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:50,889 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:50,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147648133] [2021-11-23 04:03:50,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147648133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:50,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:50,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 04:03:50,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011839351] [2021-11-23 04:03:50,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:50,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:03:50,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:50,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:03:50,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:03:50,890 INFO L87 Difference]: Start difference. First operand 5540 states and 11015 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:52,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:52,760 INFO L93 Difference]: Finished difference Result 13963 states and 27638 transitions. [2021-11-23 04:03:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 04:03:52,761 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:03:52,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:52,780 INFO L225 Difference]: With dead ends: 13963 [2021-11-23 04:03:52,780 INFO L226 Difference]: Without dead ends: 13963 [2021-11-23 04:03:52,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-23 04:03:52,781 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 800 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:52,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 481 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 04:03:52,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13963 states. [2021-11-23 04:03:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13963 to 5564. [2021-11-23 04:03:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5564 states, 5494 states have (on average 2.013651255915544) internal successors, (11063), 5563 states have internal predecessors, (11063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5564 states to 5564 states and 11063 transitions. [2021-11-23 04:03:52,916 INFO L78 Accepts]: Start accepts. Automaton has 5564 states and 11063 transitions. Word has length 30 [2021-11-23 04:03:52,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:52,917 INFO L470 AbstractCegarLoop]: Abstraction has 5564 states and 11063 transitions. [2021-11-23 04:03:52,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:52,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5564 states and 11063 transitions. [2021-11-23 04:03:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:03:52,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:52,918 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:52,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-11-23 04:03:52,918 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:52,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:52,918 INFO L85 PathProgramCache]: Analyzing trace with hash -784191585, now seen corresponding path program 2 times [2021-11-23 04:03:52,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:52,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9031187] [2021-11-23 04:03:52,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:52,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:53,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:53,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9031187] [2021-11-23 04:03:53,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9031187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:53,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:53,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:03:53,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870876781] [2021-11-23 04:03:53,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:53,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:03:53,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:53,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:03:53,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:03:53,115 INFO L87 Difference]: Start difference. First operand 5564 states and 11063 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:56,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:56,051 INFO L93 Difference]: Finished difference Result 14015 states and 27791 transitions. [2021-11-23 04:03:56,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-23 04:03:56,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:03:56,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:56,069 INFO L225 Difference]: With dead ends: 14015 [2021-11-23 04:03:56,069 INFO L226 Difference]: Without dead ends: 14015 [2021-11-23 04:03:56,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2021-11-23 04:03:56,070 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 859 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 2775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:56,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [859 Valid, 408 Invalid, 2775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 2601 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 04:03:56,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14015 states. [2021-11-23 04:03:56,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14015 to 5605. [2021-11-23 04:03:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5605 states, 5535 states have (on average 2.013550135501355) internal successors, (11145), 5604 states have internal predecessors, (11145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5605 states to 5605 states and 11145 transitions. [2021-11-23 04:03:56,169 INFO L78 Accepts]: Start accepts. Automaton has 5605 states and 11145 transitions. Word has length 30 [2021-11-23 04:03:56,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:56,169 INFO L470 AbstractCegarLoop]: Abstraction has 5605 states and 11145 transitions. [2021-11-23 04:03:56,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5605 states and 11145 transitions. [2021-11-23 04:03:56,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:03:56,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:56,170 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:56,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-11-23 04:03:56,170 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:56,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:56,171 INFO L85 PathProgramCache]: Analyzing trace with hash -957628040, now seen corresponding path program 1 times [2021-11-23 04:03:56,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:56,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536979652] [2021-11-23 04:03:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:56,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:56,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:56,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536979652] [2021-11-23 04:03:56,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536979652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:56,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:56,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:03:56,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275492171] [2021-11-23 04:03:56,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:56,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:03:56,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:56,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:03:56,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:03:56,354 INFO L87 Difference]: Start difference. First operand 5605 states and 11145 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:58,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:58,548 INFO L93 Difference]: Finished difference Result 9234 states and 18323 transitions. [2021-11-23 04:03:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 04:03:58,549 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:03:58,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:58,561 INFO L225 Difference]: With dead ends: 9234 [2021-11-23 04:03:58,561 INFO L226 Difference]: Without dead ends: 9234 [2021-11-23 04:03:58,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2021-11-23 04:03:58,561 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 565 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:58,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 193 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 04:03:58,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2021-11-23 04:03:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 5741. [2021-11-23 04:03:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5741 states, 5671 states have (on average 2.016928231352495) internal successors, (11438), 5740 states have internal predecessors, (11438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5741 states to 5741 states and 11438 transitions. [2021-11-23 04:03:58,676 INFO L78 Accepts]: Start accepts. Automaton has 5741 states and 11438 transitions. Word has length 30 [2021-11-23 04:03:58,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:58,676 INFO L470 AbstractCegarLoop]: Abstraction has 5741 states and 11438 transitions. [2021-11-23 04:03:58,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5741 states and 11438 transitions. [2021-11-23 04:03:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:03:58,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:58,677 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:03:58,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-23 04:03:58,678 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:03:58,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1098837380, now seen corresponding path program 2 times [2021-11-23 04:03:58,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:03:58,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43600665] [2021-11-23 04:03:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:58,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:03:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:03:58,907 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:03:58,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43600665] [2021-11-23 04:03:58,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43600665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:03:58,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:03:58,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:03:58,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735214165] [2021-11-23 04:03:58,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:03:58,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:03:58,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:03:58,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:03:58,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:03:58,909 INFO L87 Difference]: Start difference. First operand 5741 states and 11438 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:00,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:00,055 INFO L93 Difference]: Finished difference Result 9159 states and 18173 transitions. [2021-11-23 04:04:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 04:04:00,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:00,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:00,069 INFO L225 Difference]: With dead ends: 9159 [2021-11-23 04:04:00,069 INFO L226 Difference]: Without dead ends: 9159 [2021-11-23 04:04:00,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-11-23 04:04:00,070 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 494 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:00,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [494 Valid, 179 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 04:04:00,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9159 states. [2021-11-23 04:04:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9159 to 5748. [2021-11-23 04:04:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5748 states, 5678 states have (on average 2.017083480098626) internal successors, (11453), 5747 states have internal predecessors, (11453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 11453 transitions. [2021-11-23 04:04:00,162 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 11453 transitions. Word has length 30 [2021-11-23 04:04:00,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:00,167 INFO L470 AbstractCegarLoop]: Abstraction has 5748 states and 11453 transitions. [2021-11-23 04:04:00,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 11453 transitions. [2021-11-23 04:04:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:00,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:00,169 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:00,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-23 04:04:00,169 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:00,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:00,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1106621480, now seen corresponding path program 3 times [2021-11-23 04:04:00,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:00,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745217280] [2021-11-23 04:04:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:00,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:00,490 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:00,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745217280] [2021-11-23 04:04:00,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745217280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:00,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:00,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:04:00,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241316062] [2021-11-23 04:04:00,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:00,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:04:00,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:00,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:04:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:04:00,491 INFO L87 Difference]: Start difference. First operand 5748 states and 11453 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:02,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:02,220 INFO L93 Difference]: Finished difference Result 9153 states and 18161 transitions. [2021-11-23 04:04:02,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 04:04:02,220 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:02,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:02,234 INFO L225 Difference]: With dead ends: 9153 [2021-11-23 04:04:02,234 INFO L226 Difference]: Without dead ends: 9153 [2021-11-23 04:04:02,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-11-23 04:04:02,234 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 477 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:02,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 201 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 04:04:02,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9153 states. [2021-11-23 04:04:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9153 to 5753. [2021-11-23 04:04:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5753 states, 5683 states have (on average 2.017244413162062) internal successors, (11464), 5752 states have internal predecessors, (11464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5753 states to 5753 states and 11464 transitions. [2021-11-23 04:04:02,331 INFO L78 Accepts]: Start accepts. Automaton has 5753 states and 11464 transitions. Word has length 30 [2021-11-23 04:04:02,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:02,332 INFO L470 AbstractCegarLoop]: Abstraction has 5753 states and 11464 transitions. [2021-11-23 04:04:02,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5753 states and 11464 transitions. [2021-11-23 04:04:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:02,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:02,333 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:02,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-23 04:04:02,333 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:02,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:02,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1106877230, now seen corresponding path program 4 times [2021-11-23 04:04:02,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:02,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740898134] [2021-11-23 04:04:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:02,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:02,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:02,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740898134] [2021-11-23 04:04:02,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740898134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:02,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:02,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:04:02,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983258124] [2021-11-23 04:04:02,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:02,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:04:02,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:02,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:04:02,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:04:02,720 INFO L87 Difference]: Start difference. First operand 5753 states and 11464 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:03,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:03,914 INFO L93 Difference]: Finished difference Result 9146 states and 18147 transitions. [2021-11-23 04:04:03,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 04:04:03,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:03,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:03,925 INFO L225 Difference]: With dead ends: 9146 [2021-11-23 04:04:03,925 INFO L226 Difference]: Without dead ends: 9146 [2021-11-23 04:04:03,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-11-23 04:04:03,926 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 342 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:03,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 185 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 04:04:03,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9146 states. [2021-11-23 04:04:04,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9146 to 5757. [2021-11-23 04:04:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5757 states, 5687 states have (on average 2.0174081237911023) internal successors, (11473), 5756 states have internal predecessors, (11473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 11473 transitions. [2021-11-23 04:04:04,017 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 11473 transitions. Word has length 30 [2021-11-23 04:04:04,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:04,017 INFO L470 AbstractCegarLoop]: Abstraction has 5757 states and 11473 transitions. [2021-11-23 04:04:04,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 11473 transitions. [2021-11-23 04:04:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:04,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:04,018 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:04,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-11-23 04:04:04,018 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:04,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:04,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1585756876, now seen corresponding path program 5 times [2021-11-23 04:04:04,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:04,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098870672] [2021-11-23 04:04:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:04,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:04,198 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:04,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098870672] [2021-11-23 04:04:04,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098870672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:04,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:04,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:04:04,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228043029] [2021-11-23 04:04:04,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:04,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:04:04,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:04,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:04:04,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:04:04,199 INFO L87 Difference]: Start difference. First operand 5757 states and 11473 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:06,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:06,396 INFO L93 Difference]: Finished difference Result 5873 states and 11705 transitions. [2021-11-23 04:04:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 04:04:06,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:06,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:06,403 INFO L225 Difference]: With dead ends: 5873 [2021-11-23 04:04:06,403 INFO L226 Difference]: Without dead ends: 5873 [2021-11-23 04:04:06,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2021-11-23 04:04:06,404 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 352 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:06,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 158 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 04:04:06,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5873 states. [2021-11-23 04:04:06,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5873 to 5784. [2021-11-23 04:04:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5714 states have (on average 2.0173258662933145) internal successors, (11527), 5783 states have internal predecessors, (11527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 11527 transitions. [2021-11-23 04:04:06,480 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 11527 transitions. Word has length 30 [2021-11-23 04:04:06,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:06,480 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 11527 transitions. [2021-11-23 04:04:06,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 11527 transitions. [2021-11-23 04:04:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:06,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:06,481 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:06,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-11-23 04:04:06,482 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:06,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:06,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2000188126, now seen corresponding path program 6 times [2021-11-23 04:04:06,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:06,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945262790] [2021-11-23 04:04:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:06,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:06,684 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:06,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945262790] [2021-11-23 04:04:06,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945262790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:06,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:06,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:04:06,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081090353] [2021-11-23 04:04:06,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:06,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:04:06,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:06,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:04:06,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:04:06,685 INFO L87 Difference]: Start difference. First operand 5784 states and 11527 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:07,705 INFO L93 Difference]: Finished difference Result 5887 states and 11733 transitions. [2021-11-23 04:04:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 04:04:07,706 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:07,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:07,713 INFO L225 Difference]: With dead ends: 5887 [2021-11-23 04:04:07,713 INFO L226 Difference]: Without dead ends: 5887 [2021-11-23 04:04:07,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2021-11-23 04:04:07,714 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 345 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:07,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 100 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 04:04:07,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2021-11-23 04:04:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 5786. [2021-11-23 04:04:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5786 states, 5716 states have (on average 2.0173198040587823) internal successors, (11531), 5785 states have internal predecessors, (11531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 11531 transitions. [2021-11-23 04:04:07,788 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 11531 transitions. Word has length 30 [2021-11-23 04:04:07,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:07,789 INFO L470 AbstractCegarLoop]: Abstraction has 5786 states and 11531 transitions. [2021-11-23 04:04:07,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 11531 transitions. [2021-11-23 04:04:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:07,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:07,790 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:07,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-11-23 04:04:07,790 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:07,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1992404026, now seen corresponding path program 7 times [2021-11-23 04:04:07,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:07,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940544895] [2021-11-23 04:04:07,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:07,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:07,988 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:07,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940544895] [2021-11-23 04:04:07,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940544895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:07,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:07,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:04:07,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056646409] [2021-11-23 04:04:07,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:07,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:04:07,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:04:07,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:04:07,990 INFO L87 Difference]: Start difference. First operand 5786 states and 11531 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:09,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:09,995 INFO L93 Difference]: Finished difference Result 5911 states and 11781 transitions. [2021-11-23 04:04:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 04:04:09,995 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:09,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:10,002 INFO L225 Difference]: With dead ends: 5911 [2021-11-23 04:04:10,002 INFO L226 Difference]: Without dead ends: 5911 [2021-11-23 04:04:10,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-11-23 04:04:10,002 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 354 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:10,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 150 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 04:04:10,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2021-11-23 04:04:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5792. [2021-11-23 04:04:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5792 states, 5722 states have (on average 2.017301642782244) internal successors, (11543), 5791 states have internal predecessors, (11543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5792 states to 5792 states and 11543 transitions. [2021-11-23 04:04:10,094 INFO L78 Accepts]: Start accepts. Automaton has 5792 states and 11543 transitions. Word has length 30 [2021-11-23 04:04:10,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:10,094 INFO L470 AbstractCegarLoop]: Abstraction has 5792 states and 11543 transitions. [2021-11-23 04:04:10,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5792 states and 11543 transitions. [2021-11-23 04:04:10,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:10,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:10,095 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:10,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-11-23 04:04:10,095 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:10,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1381682672, now seen corresponding path program 8 times [2021-11-23 04:04:10,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:10,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351801923] [2021-11-23 04:04:10,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:10,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:10,287 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:10,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351801923] [2021-11-23 04:04:10,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351801923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:10,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:10,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:04:10,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096057318] [2021-11-23 04:04:10,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:10,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:04:10,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:10,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:04:10,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:04:10,289 INFO L87 Difference]: Start difference. First operand 5792 states and 11543 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:12,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:12,124 INFO L93 Difference]: Finished difference Result 5909 states and 11777 transitions. [2021-11-23 04:04:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 04:04:12,124 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:12,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:12,131 INFO L225 Difference]: With dead ends: 5909 [2021-11-23 04:04:12,131 INFO L226 Difference]: Without dead ends: 5909 [2021-11-23 04:04:12,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-11-23 04:04:12,132 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 218 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:12,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 124 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 04:04:12,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5909 states. [2021-11-23 04:04:12,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5909 to 5794. [2021-11-23 04:04:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5724 states have (on average 2.0172955974842766) internal successors, (11547), 5793 states have internal predecessors, (11547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 11547 transitions. [2021-11-23 04:04:12,206 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 11547 transitions. Word has length 30 [2021-11-23 04:04:12,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:12,206 INFO L470 AbstractCegarLoop]: Abstraction has 5794 states and 11547 transitions. [2021-11-23 04:04:12,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 11547 transitions. [2021-11-23 04:04:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:12,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:12,208 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:12,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-11-23 04:04:12,209 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:12,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1389466772, now seen corresponding path program 9 times [2021-11-23 04:04:12,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:12,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334144420] [2021-11-23 04:04:12,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:12,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:12,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:12,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334144420] [2021-11-23 04:04:12,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334144420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:12,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:12,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:04:12,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972933947] [2021-11-23 04:04:12,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:12,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:04:12,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:12,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:04:12,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 04:04:12,385 INFO L87 Difference]: Start difference. First operand 5794 states and 11547 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:13,685 INFO L93 Difference]: Finished difference Result 5935 states and 11829 transitions. [2021-11-23 04:04:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 04:04:13,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:13,692 INFO L225 Difference]: With dead ends: 5935 [2021-11-23 04:04:13,692 INFO L226 Difference]: Without dead ends: 5935 [2021-11-23 04:04:13,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-23 04:04:13,692 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 292 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:13,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 140 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 04:04:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2021-11-23 04:04:13,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 5798. [2021-11-23 04:04:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5798 states, 5728 states have (on average 2.0172835195530725) internal successors, (11555), 5797 states have internal predecessors, (11555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5798 states to 5798 states and 11555 transitions. [2021-11-23 04:04:13,763 INFO L78 Accepts]: Start accepts. Automaton has 5798 states and 11555 transitions. Word has length 30 [2021-11-23 04:04:13,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:13,763 INFO L470 AbstractCegarLoop]: Abstraction has 5798 states and 11555 transitions. [2021-11-23 04:04:13,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5798 states and 11555 transitions. [2021-11-23 04:04:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:13,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:13,765 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:13,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-11-23 04:04:13,765 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:13,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:13,765 INFO L85 PathProgramCache]: Analyzing trace with hash 206613870, now seen corresponding path program 1 times [2021-11-23 04:04:13,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:13,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644233743] [2021-11-23 04:04:13,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:13,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:14,274 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:14,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644233743] [2021-11-23 04:04:14,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644233743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:14,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:14,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:14,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774102647] [2021-11-23 04:04:14,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:14,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:14,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:14,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:14,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:14,276 INFO L87 Difference]: Start difference. First operand 5798 states and 11555 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:17,356 INFO L93 Difference]: Finished difference Result 10938 states and 21737 transitions. [2021-11-23 04:04:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 04:04:17,356 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:17,372 INFO L225 Difference]: With dead ends: 10938 [2021-11-23 04:04:17,372 INFO L226 Difference]: Without dead ends: 10938 [2021-11-23 04:04:17,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-11-23 04:04:17,372 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 754 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 2398 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:17,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 556 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2398 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 04:04:17,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10938 states. [2021-11-23 04:04:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10938 to 6241. [2021-11-23 04:04:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 6171 states have (on average 2.0234970021066276) internal successors, (12487), 6240 states have internal predecessors, (12487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 12487 transitions. [2021-11-23 04:04:17,482 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 12487 transitions. Word has length 30 [2021-11-23 04:04:17,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:17,482 INFO L470 AbstractCegarLoop]: Abstraction has 6241 states and 12487 transitions. [2021-11-23 04:04:17,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 12487 transitions. [2021-11-23 04:04:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:17,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:17,484 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:17,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-11-23 04:04:17,484 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:17,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:17,485 INFO L85 PathProgramCache]: Analyzing trace with hash 997749049, now seen corresponding path program 3 times [2021-11-23 04:04:17,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:17,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327644355] [2021-11-23 04:04:17,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:17,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:17,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:17,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327644355] [2021-11-23 04:04:17,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327644355] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:17,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:17,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:17,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171920961] [2021-11-23 04:04:17,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:17,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:17,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:17,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:17,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:17,960 INFO L87 Difference]: Start difference. First operand 6241 states and 12487 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:20,891 INFO L93 Difference]: Finished difference Result 11147 states and 22149 transitions. [2021-11-23 04:04:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 04:04:20,892 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:20,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:20,907 INFO L225 Difference]: With dead ends: 11147 [2021-11-23 04:04:20,907 INFO L226 Difference]: Without dead ends: 11147 [2021-11-23 04:04:20,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-23 04:04:20,908 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 627 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:20,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 474 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 04:04:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11147 states. [2021-11-23 04:04:21,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11147 to 6264. [2021-11-23 04:04:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6264 states, 6194 states have (on average 2.023409751372296) internal successors, (12533), 6263 states have internal predecessors, (12533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 12533 transitions. [2021-11-23 04:04:21,018 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 12533 transitions. Word has length 30 [2021-11-23 04:04:21,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:21,019 INFO L470 AbstractCegarLoop]: Abstraction has 6264 states and 12533 transitions. [2021-11-23 04:04:21,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 12533 transitions. [2021-11-23 04:04:21,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:21,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:21,020 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:21,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-11-23 04:04:21,020 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:21,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:21,021 INFO L85 PathProgramCache]: Analyzing trace with hash -426872613, now seen corresponding path program 4 times [2021-11-23 04:04:21,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:21,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948742362] [2021-11-23 04:04:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:21,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:21,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:21,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948742362] [2021-11-23 04:04:21,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948742362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:21,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:21,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:21,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366441153] [2021-11-23 04:04:21,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:21,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:21,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:21,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:21,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:21,498 INFO L87 Difference]: Start difference. First operand 6264 states and 12533 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:25,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:25,207 INFO L93 Difference]: Finished difference Result 11215 states and 22283 transitions. [2021-11-23 04:04:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 04:04:25,207 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:25,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:25,221 INFO L225 Difference]: With dead ends: 11215 [2021-11-23 04:04:25,221 INFO L226 Difference]: Without dead ends: 11215 [2021-11-23 04:04:25,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-23 04:04:25,222 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 705 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 2865 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 3037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 2865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:25,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 491 Invalid, 3037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 2865 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 04:04:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11215 states. [2021-11-23 04:04:25,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11215 to 6260. [2021-11-23 04:04:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6260 states, 6190 states have (on average 2.0234248788368334) internal successors, (12525), 6259 states have internal predecessors, (12525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6260 states to 6260 states and 12525 transitions. [2021-11-23 04:04:25,333 INFO L78 Accepts]: Start accepts. Automaton has 6260 states and 12525 transitions. Word has length 30 [2021-11-23 04:04:25,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:25,333 INFO L470 AbstractCegarLoop]: Abstraction has 6260 states and 12525 transitions. [2021-11-23 04:04:25,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 6260 states and 12525 transitions. [2021-11-23 04:04:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:25,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:25,335 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:25,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-11-23 04:04:25,335 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash 718289721, now seen corresponding path program 5 times [2021-11-23 04:04:25,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:25,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428091136] [2021-11-23 04:04:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:25,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:25,772 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:25,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428091136] [2021-11-23 04:04:25,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428091136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:25,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:25,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:25,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167411556] [2021-11-23 04:04:25,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:25,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:25,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:25,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:25,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:25,774 INFO L87 Difference]: Start difference. First operand 6260 states and 12525 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:29,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:29,219 INFO L93 Difference]: Finished difference Result 11355 states and 22559 transitions. [2021-11-23 04:04:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 04:04:29,219 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:29,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:29,238 INFO L225 Difference]: With dead ends: 11355 [2021-11-23 04:04:29,239 INFO L226 Difference]: Without dead ends: 11355 [2021-11-23 04:04:29,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2021-11-23 04:04:29,239 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 696 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:29,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 502 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3183 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-23 04:04:29,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11355 states. [2021-11-23 04:04:29,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11355 to 6256. [2021-11-23 04:04:29,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 6186 states have (on average 2.023440025864856) internal successors, (12517), 6255 states have internal predecessors, (12517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 12517 transitions. [2021-11-23 04:04:29,409 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 12517 transitions. Word has length 30 [2021-11-23 04:04:29,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:29,409 INFO L470 AbstractCegarLoop]: Abstraction has 6256 states and 12517 transitions. [2021-11-23 04:04:29,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 12517 transitions. [2021-11-23 04:04:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:29,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:29,411 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:29,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-11-23 04:04:29,411 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:29,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:29,411 INFO L85 PathProgramCache]: Analyzing trace with hash 754129793, now seen corresponding path program 6 times [2021-11-23 04:04:29,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:29,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141861515] [2021-11-23 04:04:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:29,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:29,871 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:29,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141861515] [2021-11-23 04:04:29,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141861515] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:29,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:29,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:29,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045158909] [2021-11-23 04:04:29,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:29,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:29,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:29,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:29,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:29,873 INFO L87 Difference]: Start difference. First operand 6256 states and 12517 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:34,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:34,265 INFO L93 Difference]: Finished difference Result 11583 states and 23009 transitions. [2021-11-23 04:04:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 04:04:34,266 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:34,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:34,281 INFO L225 Difference]: With dead ends: 11583 [2021-11-23 04:04:34,281 INFO L226 Difference]: Without dead ends: 11583 [2021-11-23 04:04:34,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=372, Invalid=888, Unknown=0, NotChecked=0, Total=1260 [2021-11-23 04:04:34,281 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 803 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 3219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:34,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [803 Valid, 444 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 3219 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 04:04:34,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2021-11-23 04:04:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 6252. [2021-11-23 04:04:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 6182 states have (on average 2.0234551924943385) internal successors, (12509), 6251 states have internal predecessors, (12509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 12509 transitions. [2021-11-23 04:04:34,391 INFO L78 Accepts]: Start accepts. Automaton has 6252 states and 12509 transitions. Word has length 30 [2021-11-23 04:04:34,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:34,391 INFO L470 AbstractCegarLoop]: Abstraction has 6252 states and 12509 transitions. [2021-11-23 04:04:34,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 6252 states and 12509 transitions. [2021-11-23 04:04:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:34,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:34,393 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:34,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-11-23 04:04:34,393 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:34,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1801086506, now seen corresponding path program 10 times [2021-11-23 04:04:34,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:34,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893881604] [2021-11-23 04:04:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:34,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:34,828 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:34,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893881604] [2021-11-23 04:04:34,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893881604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:34,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:34,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:04:34,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062044978] [2021-11-23 04:04:34,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:34,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:04:34,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:04:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:04:34,830 INFO L87 Difference]: Start difference. First operand 6252 states and 12509 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:38,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:38,791 INFO L93 Difference]: Finished difference Result 10935 states and 21721 transitions. [2021-11-23 04:04:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 04:04:38,791 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:38,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:38,807 INFO L225 Difference]: With dead ends: 10935 [2021-11-23 04:04:38,807 INFO L226 Difference]: Without dead ends: 10935 [2021-11-23 04:04:38,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=283, Unknown=0, NotChecked=0, Total=420 [2021-11-23 04:04:38,807 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 626 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 2997 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:38,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 475 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2997 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-23 04:04:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10935 states. [2021-11-23 04:04:38,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10935 to 6661. [2021-11-23 04:04:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6661 states, 6591 states have (on average 2.029737520861781) internal successors, (13378), 6660 states have internal predecessors, (13378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:38,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6661 states to 6661 states and 13378 transitions. [2021-11-23 04:04:38,920 INFO L78 Accepts]: Start accepts. Automaton has 6661 states and 13378 transitions. Word has length 30 [2021-11-23 04:04:38,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:38,920 INFO L470 AbstractCegarLoop]: Abstraction has 6661 states and 13378 transitions. [2021-11-23 04:04:38,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 6661 states and 13378 transitions. [2021-11-23 04:04:38,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:38,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:38,922 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:38,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-11-23 04:04:38,922 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:38,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:38,923 INFO L85 PathProgramCache]: Analyzing trace with hash 749845478, now seen corresponding path program 2 times [2021-11-23 04:04:38,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:38,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68256501] [2021-11-23 04:04:38,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:38,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:39,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:39,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68256501] [2021-11-23 04:04:39,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68256501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:39,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:39,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:39,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185985554] [2021-11-23 04:04:39,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:39,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:39,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:39,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:39,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:39,377 INFO L87 Difference]: Start difference. First operand 6661 states and 13378 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:42,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:42,976 INFO L93 Difference]: Finished difference Result 10845 states and 21545 transitions. [2021-11-23 04:04:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 04:04:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:42,991 INFO L225 Difference]: With dead ends: 10845 [2021-11-23 04:04:42,991 INFO L226 Difference]: Without dead ends: 10845 [2021-11-23 04:04:42,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-11-23 04:04:42,992 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 725 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:42,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 574 Invalid, 2904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2811 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 04:04:43,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10845 states. [2021-11-23 04:04:43,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10845 to 6662. [2021-11-23 04:04:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6662 states, 6592 states have (on average 2.029733009708738) internal successors, (13380), 6661 states have internal predecessors, (13380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 13380 transitions. [2021-11-23 04:04:43,101 INFO L78 Accepts]: Start accepts. Automaton has 6662 states and 13380 transitions. Word has length 30 [2021-11-23 04:04:43,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:43,101 INFO L470 AbstractCegarLoop]: Abstraction has 6662 states and 13380 transitions. [2021-11-23 04:04:43,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 6662 states and 13380 transitions. [2021-11-23 04:04:43,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:43,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:43,103 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:43,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-11-23 04:04:43,103 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:43,103 INFO L85 PathProgramCache]: Analyzing trace with hash 754314128, now seen corresponding path program 3 times [2021-11-23 04:04:43,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:43,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763092154] [2021-11-23 04:04:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:43,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:43,572 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:43,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763092154] [2021-11-23 04:04:43,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763092154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:43,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:43,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:43,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289740029] [2021-11-23 04:04:43,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:43,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:43,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:43,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:43,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:43,573 INFO L87 Difference]: Start difference. First operand 6662 states and 13380 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:48,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:48,014 INFO L93 Difference]: Finished difference Result 10849 states and 21553 transitions. [2021-11-23 04:04:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 04:04:48,015 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:48,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:48,030 INFO L225 Difference]: With dead ends: 10849 [2021-11-23 04:04:48,030 INFO L226 Difference]: Without dead ends: 10849 [2021-11-23 04:04:48,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2021-11-23 04:04:48,030 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 753 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 3748 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:48,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [753 Valid, 602 Invalid, 3854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3748 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 04:04:48,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10849 states. [2021-11-23 04:04:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10849 to 6666. [2021-11-23 04:04:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 6596 states have (on average 2.029714978775015) internal successors, (13388), 6665 states have internal predecessors, (13388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 13388 transitions. [2021-11-23 04:04:48,177 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 13388 transitions. Word has length 30 [2021-11-23 04:04:48,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:48,177 INFO L470 AbstractCegarLoop]: Abstraction has 6666 states and 13388 transitions. [2021-11-23 04:04:48,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 13388 transitions. [2021-11-23 04:04:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:48,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:48,180 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:48,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-11-23 04:04:48,180 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:48,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:48,181 INFO L85 PathProgramCache]: Analyzing trace with hash -32465924, now seen corresponding path program 11 times [2021-11-23 04:04:48,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:48,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013172707] [2021-11-23 04:04:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:48,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:48,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:48,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013172707] [2021-11-23 04:04:48,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013172707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:48,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:48,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:04:48,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615155359] [2021-11-23 04:04:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:48,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:04:48,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:48,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:04:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:04:48,469 INFO L87 Difference]: Start difference. First operand 6666 states and 13388 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:51,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:51,879 INFO L93 Difference]: Finished difference Result 10890 states and 21635 transitions. [2021-11-23 04:04:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 04:04:51,880 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:51,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:51,895 INFO L225 Difference]: With dead ends: 10890 [2021-11-23 04:04:51,895 INFO L226 Difference]: Without dead ends: 10890 [2021-11-23 04:04:51,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2021-11-23 04:04:51,896 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 624 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 2719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:51,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 475 Invalid, 2719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 04:04:51,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10890 states. [2021-11-23 04:04:51,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10890 to 6662. [2021-11-23 04:04:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6662 states, 6592 states have (on average 2.029733009708738) internal successors, (13380), 6661 states have internal predecessors, (13380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 13380 transitions. [2021-11-23 04:04:52,013 INFO L78 Accepts]: Start accepts. Automaton has 6662 states and 13380 transitions. Word has length 30 [2021-11-23 04:04:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:52,013 INFO L470 AbstractCegarLoop]: Abstraction has 6662 states and 13380 transitions. [2021-11-23 04:04:52,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6662 states and 13380 transitions. [2021-11-23 04:04:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:52,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:52,016 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:52,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-11-23 04:04:52,017 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:52,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:52,017 INFO L85 PathProgramCache]: Analyzing trace with hash -465029194, now seen corresponding path program 12 times [2021-11-23 04:04:52,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:52,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612323559] [2021-11-23 04:04:52,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:52,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:52,338 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:52,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612323559] [2021-11-23 04:04:52,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612323559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:52,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:52,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 04:04:52,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695059751] [2021-11-23 04:04:52,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:52,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 04:04:52,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 04:04:52,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:04:52,339 INFO L87 Difference]: Start difference. First operand 6662 states and 13380 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:56,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:04:56,682 INFO L93 Difference]: Finished difference Result 10961 states and 21777 transitions. [2021-11-23 04:04:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 04:04:56,683 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:04:56,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:04:56,700 INFO L225 Difference]: With dead ends: 10961 [2021-11-23 04:04:56,700 INFO L226 Difference]: Without dead ends: 10961 [2021-11-23 04:04:56,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=364, Invalid=826, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 04:04:56,701 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 779 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 2824 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 2824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:04:56,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 444 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 2824 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 04:04:56,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10961 states. [2021-11-23 04:04:56,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10961 to 6658. [2021-11-23 04:04:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6658 states, 6588 states have (on average 2.029751062537948) internal successors, (13372), 6657 states have internal predecessors, (13372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6658 states to 6658 states and 13372 transitions. [2021-11-23 04:04:56,823 INFO L78 Accepts]: Start accepts. Automaton has 6658 states and 13372 transitions. Word has length 30 [2021-11-23 04:04:56,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:04:56,823 INFO L470 AbstractCegarLoop]: Abstraction has 6658 states and 13372 transitions. [2021-11-23 04:04:56,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:04:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 6658 states and 13372 transitions. [2021-11-23 04:04:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:04:56,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:56,825 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:04:56,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-11-23 04:04:56,825 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:04:56,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:56,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1762542318, now seen corresponding path program 4 times [2021-11-23 04:04:56,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:56,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619412298] [2021-11-23 04:04:56,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:56,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:04:57,257 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:57,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619412298] [2021-11-23 04:04:57,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619412298] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:57,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:57,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:04:57,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450814107] [2021-11-23 04:04:57,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:57,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:04:57,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:57,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:04:57,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:04:57,258 INFO L87 Difference]: Start difference. First operand 6658 states and 13372 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:01,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:01,094 INFO L93 Difference]: Finished difference Result 10841 states and 21537 transitions. [2021-11-23 04:05:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 04:05:01,095 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:05:01,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:01,111 INFO L225 Difference]: With dead ends: 10841 [2021-11-23 04:05:01,111 INFO L226 Difference]: Without dead ends: 10841 [2021-11-23 04:05:01,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2021-11-23 04:05:01,112 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 667 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 3063 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 3063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:01,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 583 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 3063 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 04:05:01,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10841 states. [2021-11-23 04:05:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10841 to 6660. [2021-11-23 04:05:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6660 states, 6590 states have (on average 2.029742033383915) internal successors, (13376), 6659 states have internal predecessors, (13376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6660 states to 6660 states and 13376 transitions. [2021-11-23 04:05:01,224 INFO L78 Accepts]: Start accepts. Automaton has 6660 states and 13376 transitions. Word has length 30 [2021-11-23 04:05:01,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:01,224 INFO L470 AbstractCegarLoop]: Abstraction has 6660 states and 13376 transitions. [2021-11-23 04:05:01,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:01,224 INFO L276 IsEmpty]: Start isEmpty. Operand 6660 states and 13376 transitions. [2021-11-23 04:05:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:05:01,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:01,226 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:05:01,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-11-23 04:05:01,226 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:05:01,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:01,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1767010968, now seen corresponding path program 5 times [2021-11-23 04:05:01,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:01,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545644478] [2021-11-23 04:05:01,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:01,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:05:01,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:01,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545644478] [2021-11-23 04:05:01,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545644478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:01,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:01,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:05:01,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775214471] [2021-11-23 04:05:01,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:01,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:05:01,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:01,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:05:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:05:01,703 INFO L87 Difference]: Start difference. First operand 6660 states and 13376 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:05,599 INFO L93 Difference]: Finished difference Result 10855 states and 21565 transitions. [2021-11-23 04:05:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 04:05:05,600 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:05:05,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:05,617 INFO L225 Difference]: With dead ends: 10855 [2021-11-23 04:05:05,617 INFO L226 Difference]: Without dead ends: 10855 [2021-11-23 04:05:05,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2021-11-23 04:05:05,617 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 671 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 2973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:05,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 579 Invalid, 2973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2897 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 04:05:05,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10855 states. [2021-11-23 04:05:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10855 to 6659. [2021-11-23 04:05:05,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6659 states, 6589 states have (on average 2.0297465472757628) internal successors, (13374), 6658 states have internal predecessors, (13374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6659 states to 6659 states and 13374 transitions. [2021-11-23 04:05:05,743 INFO L78 Accepts]: Start accepts. Automaton has 6659 states and 13374 transitions. Word has length 30 [2021-11-23 04:05:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:05,744 INFO L470 AbstractCegarLoop]: Abstraction has 6659 states and 13374 transitions. [2021-11-23 04:05:05,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 6659 states and 13374 transitions. [2021-11-23 04:05:05,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:05:05,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:05,746 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:05:05,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-11-23 04:05:05,746 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:05:05,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:05,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1906432848, now seen corresponding path program 6 times [2021-11-23 04:05:05,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:05,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746377298] [2021-11-23 04:05:05,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:05,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:05:06,209 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:06,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746377298] [2021-11-23 04:05:06,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746377298] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:06,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:06,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:05:06,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806967469] [2021-11-23 04:05:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:06,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:05:06,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:06,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:05:06,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:05:06,211 INFO L87 Difference]: Start difference. First operand 6659 states and 13374 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:10,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:10,405 INFO L93 Difference]: Finished difference Result 10850 states and 21555 transitions. [2021-11-23 04:05:10,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 04:05:10,405 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:05:10,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:10,422 INFO L225 Difference]: With dead ends: 10850 [2021-11-23 04:05:10,422 INFO L226 Difference]: Without dead ends: 10850 [2021-11-23 04:05:10,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-23 04:05:10,423 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 671 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 3397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:10,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 594 Invalid, 3397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 3320 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-23 04:05:10,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10850 states. [2021-11-23 04:05:10,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10850 to 6663. [2021-11-23 04:05:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6663 states, 6593 states have (on average 2.029728499924162) internal successors, (13382), 6662 states have internal predecessors, (13382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6663 states to 6663 states and 13382 transitions. [2021-11-23 04:05:10,576 INFO L78 Accepts]: Start accepts. Automaton has 6663 states and 13382 transitions. Word has length 30 [2021-11-23 04:05:10,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:10,576 INFO L470 AbstractCegarLoop]: Abstraction has 6663 states and 13382 transitions. [2021-11-23 04:05:10,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6663 states and 13382 transitions. [2021-11-23 04:05:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:05:10,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:10,578 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:05:10,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-11-23 04:05:10,578 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:05:10,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:10,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2065671782, now seen corresponding path program 7 times [2021-11-23 04:05:10,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:10,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973811711] [2021-11-23 04:05:10,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:10,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:05:10,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:10,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973811711] [2021-11-23 04:05:10,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973811711] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:10,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:10,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:05:10,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843766653] [2021-11-23 04:05:10,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:10,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:05:10,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:10,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:05:10,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:05:10,986 INFO L87 Difference]: Start difference. First operand 6663 states and 13382 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:13,464 INFO L93 Difference]: Finished difference Result 10997 states and 21845 transitions. [2021-11-23 04:05:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 04:05:13,464 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:05:13,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:13,479 INFO L225 Difference]: With dead ends: 10997 [2021-11-23 04:05:13,479 INFO L226 Difference]: Without dead ends: 10997 [2021-11-23 04:05:13,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2021-11-23 04:05:13,480 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 713 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:13,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [713 Valid, 538 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 04:05:13,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10997 states. [2021-11-23 04:05:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10997 to 6668. [2021-11-23 04:05:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 6598 states have (on average 2.0297059715065173) internal successors, (13392), 6667 states have internal predecessors, (13392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 13392 transitions. [2021-11-23 04:05:13,623 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 13392 transitions. Word has length 30 [2021-11-23 04:05:13,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:13,623 INFO L470 AbstractCegarLoop]: Abstraction has 6668 states and 13392 transitions. [2021-11-23 04:05:13,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 13392 transitions. [2021-11-23 04:05:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:05:13,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:13,625 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:05:13,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-11-23 04:05:13,625 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:05:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2070140432, now seen corresponding path program 8 times [2021-11-23 04:05:13,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:13,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860450591] [2021-11-23 04:05:13,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:13,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:05:14,002 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:14,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860450591] [2021-11-23 04:05:14,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860450591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:14,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:14,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:05:14,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278242770] [2021-11-23 04:05:14,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:14,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:05:14,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:14,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:05:14,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:05:14,003 INFO L87 Difference]: Start difference. First operand 6668 states and 13392 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:17,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:17,539 INFO L93 Difference]: Finished difference Result 11025 states and 21901 transitions. [2021-11-23 04:05:17,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 04:05:17,539 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:05:17,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:17,554 INFO L225 Difference]: With dead ends: 11025 [2021-11-23 04:05:17,554 INFO L226 Difference]: Without dead ends: 11025 [2021-11-23 04:05:17,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=290, Invalid=640, Unknown=0, NotChecked=0, Total=930 [2021-11-23 04:05:17,554 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 689 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:17,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 579 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 04:05:17,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11025 states. [2021-11-23 04:05:17,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11025 to 6667. [2021-11-23 04:05:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6667 states, 6597 states have (on average 2.029710474458087) internal successors, (13390), 6666 states have internal predecessors, (13390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6667 states to 6667 states and 13390 transitions. [2021-11-23 04:05:17,670 INFO L78 Accepts]: Start accepts. Automaton has 6667 states and 13390 transitions. Word has length 30 [2021-11-23 04:05:17,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:17,670 INFO L470 AbstractCegarLoop]: Abstraction has 6667 states and 13390 transitions. [2021-11-23 04:05:17,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6667 states and 13390 transitions. [2021-11-23 04:05:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:05:17,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:17,672 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:05:17,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-11-23 04:05:17,672 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:05:17,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:17,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2085404984, now seen corresponding path program 9 times [2021-11-23 04:05:17,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:17,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240397817] [2021-11-23 04:05:17,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:17,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:05:18,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:18,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240397817] [2021-11-23 04:05:18,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240397817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:18,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:18,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:05:18,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526311684] [2021-11-23 04:05:18,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:18,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:05:18,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:18,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:05:18,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:05:18,025 INFO L87 Difference]: Start difference. First operand 6667 states and 13390 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:21,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:21,383 INFO L93 Difference]: Finished difference Result 11053 states and 21957 transitions. [2021-11-23 04:05:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 04:05:21,384 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:05:21,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:21,399 INFO L225 Difference]: With dead ends: 11053 [2021-11-23 04:05:21,399 INFO L226 Difference]: Without dead ends: 11053 [2021-11-23 04:05:21,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=565, Unknown=0, NotChecked=0, Total=812 [2021-11-23 04:05:21,400 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 711 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 2654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:21,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 575 Invalid, 2654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 04:05:21,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11053 states. [2021-11-23 04:05:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11053 to 6666. [2021-11-23 04:05:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 6596 states have (on average 2.029714978775015) internal successors, (13388), 6665 states have internal predecessors, (13388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 13388 transitions. [2021-11-23 04:05:21,521 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 13388 transitions. Word has length 30 [2021-11-23 04:05:21,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:21,522 INFO L470 AbstractCegarLoop]: Abstraction has 6666 states and 13388 transitions. [2021-11-23 04:05:21,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 13388 transitions. [2021-11-23 04:05:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:05:21,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:21,524 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:05:21,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-11-23 04:05:21,524 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:05:21,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:21,525 INFO L85 PathProgramCache]: Analyzing trace with hash -2030588370, now seen corresponding path program 10 times [2021-11-23 04:05:21,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:21,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46154635] [2021-11-23 04:05:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:21,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:05:21,888 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:21,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46154635] [2021-11-23 04:05:21,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46154635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:21,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:21,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 04:05:21,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809507951] [2021-11-23 04:05:21,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:21,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-23 04:05:21,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:21,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-23 04:05:21,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-23 04:05:21,889 INFO L87 Difference]: Start difference. First operand 6666 states and 13388 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:25,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:25,895 INFO L93 Difference]: Finished difference Result 11097 states and 22045 transitions. [2021-11-23 04:05:25,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 04:05:25,896 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 04:05:25,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:25,912 INFO L225 Difference]: With dead ends: 11097 [2021-11-23 04:05:25,913 INFO L226 Difference]: Without dead ends: 11097 [2021-11-23 04:05:25,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=249, Invalid=563, Unknown=0, NotChecked=0, Total=812 [2021-11-23 04:05:25,913 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 693 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 3577 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 3694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:25,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [693 Valid, 610 Invalid, 3694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3577 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 04:05:25,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11097 states. [2021-11-23 04:05:26,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11097 to 6670. [2021-11-23 04:05:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6670 states, 6600 states have (on average 2.0296969696969698) internal successors, (13396), 6669 states have internal predecessors, (13396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:26,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 13396 transitions. [2021-11-23 04:05:26,034 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 13396 transitions. Word has length 30 [2021-11-23 04:05:26,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:26,034 INFO L470 AbstractCegarLoop]: Abstraction has 6670 states and 13396 transitions. [2021-11-23 04:05:26,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:05:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 13396 transitions. [2021-11-23 04:05:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 04:05:26,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:26,036 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:05:26,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-11-23 04:05:26,036 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-23 04:05:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1125840402, now seen corresponding path program 11 times [2021-11-23 04:05:26,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:26,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451516067] [2021-11-23 04:05:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:26,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:26,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:05:26,428 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:26,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451516067] [2021-11-23 04:05:26,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451516067] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:26,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:26,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 04:05:26,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82259037] [2021-11-23 04:05:26,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:26,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 04:05:26,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:26,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 04:05:26,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:05:26,430 INFO L87 Difference]: Start difference. First operand 6670 states and 13396 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)