./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh --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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:19:42,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:19:42,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:19:42,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:19:42,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:19:42,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:19:42,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:19:42,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:19:42,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:19:42,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:19:42,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:19:42,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:19:42,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:19:42,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:19:42,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:19:42,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:19:42,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:19:42,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:19:42,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:19:42,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:19:42,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:19:42,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:19:42,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:19:42,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:19:42,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:19:42,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:19:42,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:19:42,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:19:42,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:19:42,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:19:42,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:19:42,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:19:42,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:19:42,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:19:42,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:19:42,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:19:42,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:19:42,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:19:42,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:19:42,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:19:42,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:19:42,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 11:19:43,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:19:43,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:19:43,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:19:43,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:19:43,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:19:43,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:19:43,004 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:19:43,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:19:43,004 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:19:43,005 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:19:43,005 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:19:43,005 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:19:43,005 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:19:43,005 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:19:43,005 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:19:43,006 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:19:43,006 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:19:43,006 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:19:43,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:19:43,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:19:43,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:19:43,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:19:43,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:19:43,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:19:43,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:19:43,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:19:43,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:19:43,008 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 11:19:43,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:19:43,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:19:43,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:19:43,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:19:43,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:19:43,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:19:43,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:19:43,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:19:43,009 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:19:43,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:19:43,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:19:43,010 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:19:43,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:19:43,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:19:43,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:19:43,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-12-14 11:19:43,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:19:43,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:19:43,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:19:43,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:19:43,226 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:19:43,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-12-14 11:19:45,798 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:19:46,066 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:19:46,066 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-12-14 11:19:46,084 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/data/fbd6d203c/df39ef9c349f4c3d8b0384f164ffc637/FLAG983b7d488 [2022-12-14 11:19:46,367 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/data/fbd6d203c/df39ef9c349f4c3d8b0384f164ffc637 [2022-12-14 11:19:46,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:19:46,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:19:46,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:19:46,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:19:46,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:19:46,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:19:46" (1/1) ... [2022-12-14 11:19:46,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c99716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:46, skipping insertion in model container [2022-12-14 11:19:46,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:19:46" (1/1) ... [2022-12-14 11:19:46,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:19:46,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:19:46,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-12-14 11:19:46,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:19:46,877 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:19:46,907 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-12-14 11:19:46,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:19:47,040 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:19:47,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47 WrapperNode [2022-12-14 11:19:47,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:19:47,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:19:47,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:19:47,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:19:47,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,083 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 201 [2022-12-14 11:19:47,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:19:47,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:19:47,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:19:47,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:19:47,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:19:47,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:19:47,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:19:47,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:19:47,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (1/1) ... [2022-12-14 11:19:47,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:19:47,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:19:47,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:19:47,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:19:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:19:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:19:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 11:19:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:19:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:19:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:19:47,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:19:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-14 11:19:47,178 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-14 11:19:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:19:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:19:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:19:47,180 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 11:19:47,396 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:19:47,397 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:19:47,708 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:19:47,714 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:19:47,714 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:19:47,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:19:47 BoogieIcfgContainer [2022-12-14 11:19:47,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:19:47,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:19:47,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:19:47,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:19:47,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:19:46" (1/3) ... [2022-12-14 11:19:47,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d79e10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:19:47, skipping insertion in model container [2022-12-14 11:19:47,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:19:47" (2/3) ... [2022-12-14 11:19:47,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d79e10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:19:47, skipping insertion in model container [2022-12-14 11:19:47,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:19:47" (3/3) ... [2022-12-14 11:19:47,722 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2022-12-14 11:19:47,729 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 11:19:47,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:19:47,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2022-12-14 11:19:47,736 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 11:19:47,785 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 11:19:47,810 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 11:19:47,821 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 311 places, 313 transitions, 642 flow [2022-12-14 11:19:47,823 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 311 places, 313 transitions, 642 flow [2022-12-14 11:19:47,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 313 transitions, 642 flow [2022-12-14 11:19:47,916 INFO L130 PetriNetUnfolder]: 10/390 cut-off events. [2022-12-14 11:19:47,916 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 11:19:47,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 390 events. 10/390 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 819 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 221. Up to 4 conditions per place. [2022-12-14 11:19:47,928 INFO L119 LiptonReduction]: Number of co-enabled transitions 15624 [2022-12-14 11:21:09,349 WARN L233 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 124 DAG size of output: 120 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:21:23,805 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:21:33,237 WARN L233 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 197 DAG size of output: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:21:50,636 WARN L233 SmtUtils]: Spent 13.38s on a formula simplification. DAG size of input: 203 DAG size of output: 198 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:22:00,024 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 205 DAG size of output: 200 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:22:16,642 WARN L233 SmtUtils]: Spent 15.23s on a formula simplification. DAG size of input: 211 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:22:20,713 INFO L134 LiptonReduction]: Checked pairs total: 194612 [2022-12-14 11:22:20,713 INFO L136 LiptonReduction]: Total number of compositions: 294 [2022-12-14 11:22:20,720 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 111 places, 109 transitions, 234 flow [2022-12-14 11:22:21,116 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21620 states, 21493 states have (on average 2.9450984041315778) internal successors, (63299), 21619 states have internal predecessors, (63299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:21,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:22:21,136 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@739c3724, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:22:21,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2022-12-14 11:22:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 21620 states, 21493 states have (on average 2.9450984041315778) internal successors, (63299), 21619 states have internal predecessors, (63299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 11:22:21,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:21,166 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 11:22:21,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:21,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 993, now seen corresponding path program 1 times [2022-12-14 11:22:21,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:21,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819313552] [2022-12-14 11:22:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:21,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:21,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:21,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819313552] [2022-12-14 11:22:21,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819313552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:21,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:21,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 11:22:21,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776923505] [2022-12-14 11:22:21,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:21,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 11:22:21,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:21,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 11:22:21,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:22:21,420 INFO L87 Difference]: Start difference. First operand has 21620 states, 21493 states have (on average 2.9450984041315778) internal successors, (63299), 21619 states have internal predecessors, (63299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:21,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:21,831 INFO L93 Difference]: Finished difference Result 21614 states and 62140 transitions. [2022-12-14 11:22:21,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 11:22:21,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-12-14 11:22:21,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:22,021 INFO L225 Difference]: With dead ends: 21614 [2022-12-14 11:22:22,021 INFO L226 Difference]: Without dead ends: 21609 [2022-12-14 11:22:22,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:22:22,025 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:22,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:22:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21609 states. [2022-12-14 11:22:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21609 to 21609. [2022-12-14 11:22:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21609 states, 21490 states have (on average 2.8909725453699395) internal successors, (62127), 21608 states have internal predecessors, (62127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21609 states to 21609 states and 62127 transitions. [2022-12-14 11:22:22,764 INFO L78 Accepts]: Start accepts. Automaton has 21609 states and 62127 transitions. Word has length 1 [2022-12-14 11:22:22,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:22,764 INFO L495 AbstractCegarLoop]: Abstraction has 21609 states and 62127 transitions. [2022-12-14 11:22:22,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 21609 states and 62127 transitions. [2022-12-14 11:22:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:22:22,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:22,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:22,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:22:22,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:22,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:22,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1477410650, now seen corresponding path program 1 times [2022-12-14 11:22:22,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:22,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058359191] [2022-12-14 11:22:22,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:22,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:23,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:23,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058359191] [2022-12-14 11:22:23,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058359191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:23,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:23,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:22:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368832399] [2022-12-14 11:22:23,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:23,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:22:23,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:22:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:23,233 INFO L87 Difference]: Start difference. First operand 21609 states and 62127 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:24,279 INFO L93 Difference]: Finished difference Result 24434 states and 70364 transitions. [2022-12-14 11:22:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:22:24,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 11:22:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:24,344 INFO L225 Difference]: With dead ends: 24434 [2022-12-14 11:22:24,344 INFO L226 Difference]: Without dead ends: 24434 [2022-12-14 11:22:24,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:24,345 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 89 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:24,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 86 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 11:22:24,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24434 states. [2022-12-14 11:22:24,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24434 to 23867. [2022-12-14 11:22:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23867 states, 23749 states have (on average 2.893216556486589) internal successors, (68711), 23866 states have internal predecessors, (68711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23867 states to 23867 states and 68711 transitions. [2022-12-14 11:22:24,846 INFO L78 Accepts]: Start accepts. Automaton has 23867 states and 68711 transitions. Word has length 7 [2022-12-14 11:22:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:24,846 INFO L495 AbstractCegarLoop]: Abstraction has 23867 states and 68711 transitions. [2022-12-14 11:22:24,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 23867 states and 68711 transitions. [2022-12-14 11:22:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:22:24,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:24,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:24,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:22:24,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:24,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:24,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1906820827, now seen corresponding path program 1 times [2022-12-14 11:22:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:24,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969152858] [2022-12-14 11:22:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:24,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:24,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969152858] [2022-12-14 11:22:24,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969152858] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:24,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:24,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:22:24,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769724004] [2022-12-14 11:22:24,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:24,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:22:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:24,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:22:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:22:24,939 INFO L87 Difference]: Start difference. First operand 23867 states and 68711 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:25,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:25,336 INFO L93 Difference]: Finished difference Result 23861 states and 68705 transitions. [2022-12-14 11:22:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:22:25,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 11:22:25,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:25,400 INFO L225 Difference]: With dead ends: 23861 [2022-12-14 11:22:25,400 INFO L226 Difference]: Without dead ends: 23861 [2022-12-14 11:22:25,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:22:25,402 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:25,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:22:25,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23861 states. [2022-12-14 11:22:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23861 to 23861. [2022-12-14 11:22:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23861 states, 23744 states have (on average 2.8935731132075473) internal successors, (68705), 23860 states have internal predecessors, (68705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:26,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23861 states to 23861 states and 68705 transitions. [2022-12-14 11:22:26,014 INFO L78 Accepts]: Start accepts. Automaton has 23861 states and 68705 transitions. Word has length 7 [2022-12-14 11:22:26,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:26,014 INFO L495 AbstractCegarLoop]: Abstraction has 23861 states and 68705 transitions. [2022-12-14 11:22:26,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 23861 states and 68705 transitions. [2022-12-14 11:22:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:22:26,015 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:26,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:26,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:22:26,016 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:26,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:26,016 INFO L85 PathProgramCache]: Analyzing trace with hash -573646421, now seen corresponding path program 1 times [2022-12-14 11:22:26,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:26,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468119051] [2022-12-14 11:22:26,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:26,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:26,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:26,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468119051] [2022-12-14 11:22:26,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468119051] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:26,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:26,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:22:26,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683864720] [2022-12-14 11:22:26,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:26,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:22:26,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:26,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:22:26,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:26,264 INFO L87 Difference]: Start difference. First operand 23861 states and 68705 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) [2022-12-14 11:22:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:27,352 INFO L93 Difference]: Finished difference Result 28317 states and 81748 transitions. [2022-12-14 11:22:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:22:27,353 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 [2022-12-14 11:22:27,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:27,414 INFO L225 Difference]: With dead ends: 28317 [2022-12-14 11:22:27,414 INFO L226 Difference]: Without dead ends: 28317 [2022-12-14 11:22:27,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:27,415 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 118 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:27,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 72 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:22:27,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28317 states. [2022-12-14 11:22:27,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28317 to 27348. [2022-12-14 11:22:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27348 states, 27231 states have (on average 2.8977635782747604) internal successors, (78909), 27347 states have internal predecessors, (78909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27348 states to 27348 states and 78909 transitions. [2022-12-14 11:22:27,957 INFO L78 Accepts]: Start accepts. Automaton has 27348 states and 78909 transitions. Word has length 9 [2022-12-14 11:22:27,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:27,957 INFO L495 AbstractCegarLoop]: Abstraction has 27348 states and 78909 transitions. [2022-12-14 11:22:27,957 INFO L496 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) [2022-12-14 11:22:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27348 states and 78909 transitions. [2022-12-14 11:22:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 11:22:27,959 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:27,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:27,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:22:27,959 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:27,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:27,959 INFO L85 PathProgramCache]: Analyzing trace with hash -280414919, now seen corresponding path program 1 times [2022-12-14 11:22:27,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:27,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121797899] [2022-12-14 11:22:27,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:27,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:28,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:28,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121797899] [2022-12-14 11:22:28,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121797899] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:28,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:28,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:22:28,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842622949] [2022-12-14 11:22:28,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:28,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:22:28,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:28,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:22:28,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:28,190 INFO L87 Difference]: Start difference. First operand 27348 states and 78909 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:29,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:29,341 INFO L93 Difference]: Finished difference Result 30481 states and 87178 transitions. [2022-12-14 11:22:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:22:29,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 11:22:29,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:29,407 INFO L225 Difference]: With dead ends: 30481 [2022-12-14 11:22:29,407 INFO L226 Difference]: Without dead ends: 30481 [2022-12-14 11:22:29,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:29,408 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 102 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:29,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 82 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:22:29,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30481 states. [2022-12-14 11:22:29,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30481 to 29604. [2022-12-14 11:22:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29604 states, 29487 states have (on average 2.899074168277546) internal successors, (85485), 29603 states have internal predecessors, (85485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29604 states to 29604 states and 85485 transitions. [2022-12-14 11:22:30,001 INFO L78 Accepts]: Start accepts. Automaton has 29604 states and 85485 transitions. Word has length 11 [2022-12-14 11:22:30,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:30,002 INFO L495 AbstractCegarLoop]: Abstraction has 29604 states and 85485 transitions. [2022-12-14 11:22:30,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29604 states and 85485 transitions. [2022-12-14 11:22:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 11:22:30,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:30,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:30,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:22:30,004 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:30,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:30,005 INFO L85 PathProgramCache]: Analyzing trace with hash 114486849, now seen corresponding path program 1 times [2022-12-14 11:22:30,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:30,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451857778] [2022-12-14 11:22:30,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:30,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:30,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:30,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451857778] [2022-12-14 11:22:30,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451857778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:30,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:30,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:22:30,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719042408] [2022-12-14 11:22:30,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:30,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:22:30,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:30,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:22:30,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:30,284 INFO L87 Difference]: Start difference. First operand 29604 states and 85485 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:31,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:31,606 INFO L93 Difference]: Finished difference Result 34333 states and 99290 transitions. [2022-12-14 11:22:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:22:31,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 11:22:31,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:31,709 INFO L225 Difference]: With dead ends: 34333 [2022-12-14 11:22:31,709 INFO L226 Difference]: Without dead ends: 34333 [2022-12-14 11:22:31,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:31,710 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 129 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:31,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 74 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:22:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34333 states. [2022-12-14 11:22:32,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34333 to 33120. [2022-12-14 11:22:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33120 states, 33003 states have (on average 2.90085749780323) internal successors, (95737), 33119 states have internal predecessors, (95737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33120 states to 33120 states and 95737 transitions. [2022-12-14 11:22:32,463 INFO L78 Accepts]: Start accepts. Automaton has 33120 states and 95737 transitions. Word has length 11 [2022-12-14 11:22:32,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:32,463 INFO L495 AbstractCegarLoop]: Abstraction has 33120 states and 95737 transitions. [2022-12-14 11:22:32,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 33120 states and 95737 transitions. [2022-12-14 11:22:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:22:32,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:32,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:32,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:22:32,464 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:32,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2033070524, now seen corresponding path program 1 times [2022-12-14 11:22:32,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:32,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809138893] [2022-12-14 11:22:32,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:32,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:32,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809138893] [2022-12-14 11:22:32,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809138893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:32,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:32,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:22:32,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502914660] [2022-12-14 11:22:32,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:32,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:22:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:32,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:22:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:32,679 INFO L87 Difference]: Start difference. First operand 33120 states and 95737 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:33,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:33,471 INFO L93 Difference]: Finished difference Result 36123 states and 104500 transitions. [2022-12-14 11:22:33,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:22:33,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:22:33,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:33,556 INFO L225 Difference]: With dead ends: 36123 [2022-12-14 11:22:33,556 INFO L226 Difference]: Without dead ends: 36123 [2022-12-14 11:22:33,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:33,558 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 90 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:33,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 82 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 11:22:33,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36123 states. [2022-12-14 11:22:34,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36123 to 35371. [2022-12-14 11:22:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35371 states, 35255 states have (on average 2.9017160686427457) internal successors, (102300), 35370 states have internal predecessors, (102300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 102300 transitions. [2022-12-14 11:22:34,385 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 102300 transitions. Word has length 13 [2022-12-14 11:22:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:34,385 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 102300 transitions. [2022-12-14 11:22:34,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 102300 transitions. [2022-12-14 11:22:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:34,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:34,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:34,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:22:34,387 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:34,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:34,388 INFO L85 PathProgramCache]: Analyzing trace with hash 5133650, now seen corresponding path program 1 times [2022-12-14 11:22:34,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:34,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877543774] [2022-12-14 11:22:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:34,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:34,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877543774] [2022-12-14 11:22:34,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877543774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:34,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:34,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:22:34,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006841545] [2022-12-14 11:22:34,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:34,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:22:34,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:34,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:22:34,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:22:34,449 INFO L87 Difference]: Start difference. First operand 35371 states and 102300 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-12-14 11:22:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:34,715 INFO L93 Difference]: Finished difference Result 9398 states and 26364 transitions. [2022-12-14 11:22:34,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:22:34,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 [2022-12-14 11:22:34,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:34,732 INFO L225 Difference]: With dead ends: 9398 [2022-12-14 11:22:34,733 INFO L226 Difference]: Without dead ends: 9398 [2022-12-14 11:22:34,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:22:34,733 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 46 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:34,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 162 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:22:34,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2022-12-14 11:22:34,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 9398. [2022-12-14 11:22:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9398 states, 9361 states have (on average 2.816365772887512) internal successors, (26364), 9397 states have internal predecessors, (26364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9398 states to 9398 states and 26364 transitions. [2022-12-14 11:22:34,859 INFO L78 Accepts]: Start accepts. Automaton has 9398 states and 26364 transitions. Word has length 14 [2022-12-14 11:22:34,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:34,859 INFO L495 AbstractCegarLoop]: Abstraction has 9398 states and 26364 transitions. [2022-12-14 11:22:34,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-12-14 11:22:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 9398 states and 26364 transitions. [2022-12-14 11:22:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:34,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:34,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:34,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:22:34,861 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:34,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:34,861 INFO L85 PathProgramCache]: Analyzing trace with hash 5119142, now seen corresponding path program 1 times [2022-12-14 11:22:34,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:34,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180490409] [2022-12-14 11:22:34,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:34,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:35,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:35,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180490409] [2022-12-14 11:22:35,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180490409] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:35,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:35,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:22:35,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619735264] [2022-12-14 11:22:35,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:35,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:22:35,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:22:35,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:22:35,271 INFO L87 Difference]: Start difference. First operand 9398 states and 26364 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:36,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:36,423 INFO L93 Difference]: Finished difference Result 10513 states and 29508 transitions. [2022-12-14 11:22:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:22:36,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 [2022-12-14 11:22:36,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:36,440 INFO L225 Difference]: With dead ends: 10513 [2022-12-14 11:22:36,440 INFO L226 Difference]: Without dead ends: 10513 [2022-12-14 11:22:36,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:22:36,441 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 359 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:36,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 70 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:22:36,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10513 states. [2022-12-14 11:22:36,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10513 to 9635. [2022-12-14 11:22:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9635 states, 9598 states have (on average 2.820795999166493) internal successors, (27074), 9634 states have internal predecessors, (27074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9635 states to 9635 states and 27074 transitions. [2022-12-14 11:22:36,575 INFO L78 Accepts]: Start accepts. Automaton has 9635 states and 27074 transitions. Word has length 14 [2022-12-14 11:22:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:36,576 INFO L495 AbstractCegarLoop]: Abstraction has 9635 states and 27074 transitions. [2022-12-14 11:22:36,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 9635 states and 27074 transitions. [2022-12-14 11:22:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:36,577 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:36,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:36,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 11:22:36,577 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:36,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:36,578 INFO L85 PathProgramCache]: Analyzing trace with hash 5420679, now seen corresponding path program 1 times [2022-12-14 11:22:36,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:36,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898875953] [2022-12-14 11:22:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:36,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:37,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:37,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898875953] [2022-12-14 11:22:37,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898875953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:37,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:37,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:22:37,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536213744] [2022-12-14 11:22:37,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:37,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:22:37,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:37,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:22:37,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:22:37,115 INFO L87 Difference]: Start difference. First operand 9635 states and 27074 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-12-14 11:22:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:37,664 INFO L93 Difference]: Finished difference Result 10192 states and 28124 transitions. [2022-12-14 11:22:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:22:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 [2022-12-14 11:22:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:37,680 INFO L225 Difference]: With dead ends: 10192 [2022-12-14 11:22:37,680 INFO L226 Difference]: Without dead ends: 10192 [2022-12-14 11:22:37,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:22:37,681 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 303 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:37,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 248 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:22:37,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10192 states. [2022-12-14 11:22:37,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10192 to 9898. [2022-12-14 11:22:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9898 states, 9857 states have (on average 2.797910114639343) internal successors, (27579), 9897 states have internal predecessors, (27579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9898 states to 9898 states and 27579 transitions. [2022-12-14 11:22:37,811 INFO L78 Accepts]: Start accepts. Automaton has 9898 states and 27579 transitions. Word has length 14 [2022-12-14 11:22:37,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:37,811 INFO L495 AbstractCegarLoop]: Abstraction has 9898 states and 27579 transitions. [2022-12-14 11:22:37,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-12-14 11:22:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 9898 states and 27579 transitions. [2022-12-14 11:22:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:37,812 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:37,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:37,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:22:37,813 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:37,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:37,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1424229855, now seen corresponding path program 1 times [2022-12-14 11:22:37,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:37,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938948085] [2022-12-14 11:22:37,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:37,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:38,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:38,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938948085] [2022-12-14 11:22:38,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938948085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:38,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:38,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:22:38,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120715839] [2022-12-14 11:22:38,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:38,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:22:38,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:38,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:22:38,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:22:38,141 INFO L87 Difference]: Start difference. First operand 9898 states and 27579 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:39,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:39,597 INFO L93 Difference]: Finished difference Result 13258 states and 36495 transitions. [2022-12-14 11:22:39,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:22:39,598 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 [2022-12-14 11:22:39,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:39,620 INFO L225 Difference]: With dead ends: 13258 [2022-12-14 11:22:39,620 INFO L226 Difference]: Without dead ends: 13258 [2022-12-14 11:22:39,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:22:39,620 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 432 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:39,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 66 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 11:22:39,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13258 states. [2022-12-14 11:22:39,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13258 to 9995. [2022-12-14 11:22:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9995 states, 9956 states have (on average 2.808055443953395) internal successors, (27957), 9994 states have internal predecessors, (27957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9995 states to 9995 states and 27957 transitions. [2022-12-14 11:22:39,770 INFO L78 Accepts]: Start accepts. Automaton has 9995 states and 27957 transitions. Word has length 14 [2022-12-14 11:22:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:39,770 INFO L495 AbstractCegarLoop]: Abstraction has 9995 states and 27957 transitions. [2022-12-14 11:22:39,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 9995 states and 27957 transitions. [2022-12-14 11:22:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:39,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:39,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:39,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:22:39,772 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:39,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:39,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1350174228, now seen corresponding path program 1 times [2022-12-14 11:22:39,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:39,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926507052] [2022-12-14 11:22:39,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:39,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:40,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:40,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926507052] [2022-12-14 11:22:40,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926507052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:40,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:40,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:22:40,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445324758] [2022-12-14 11:22:40,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:40,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:22:40,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:40,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:22:40,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:22:40,511 INFO L87 Difference]: Start difference. First operand 9995 states and 27957 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:42,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:42,264 INFO L93 Difference]: Finished difference Result 11121 states and 31119 transitions. [2022-12-14 11:22:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:22:42,265 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 [2022-12-14 11:22:42,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:42,287 INFO L225 Difference]: With dead ends: 11121 [2022-12-14 11:22:42,287 INFO L226 Difference]: Without dead ends: 11121 [2022-12-14 11:22:42,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:22:42,288 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 374 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:42,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 199 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 11:22:42,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11121 states. [2022-12-14 11:22:42,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11121 to 10215. [2022-12-14 11:22:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10215 states, 10176 states have (on average 2.812205188679245) internal successors, (28617), 10214 states have internal predecessors, (28617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10215 states to 10215 states and 28617 transitions. [2022-12-14 11:22:42,491 INFO L78 Accepts]: Start accepts. Automaton has 10215 states and 28617 transitions. Word has length 14 [2022-12-14 11:22:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:42,491 INFO L495 AbstractCegarLoop]: Abstraction has 10215 states and 28617 transitions. [2022-12-14 11:22:42,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 10215 states and 28617 transitions. [2022-12-14 11:22:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:42,492 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:42,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:42,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:22:42,493 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:42,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:42,493 INFO L85 PathProgramCache]: Analyzing trace with hash -33336223, now seen corresponding path program 1 times [2022-12-14 11:22:42,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:42,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380048136] [2022-12-14 11:22:42,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:43,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:43,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380048136] [2022-12-14 11:22:43,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380048136] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:43,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:43,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:22:43,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582451831] [2022-12-14 11:22:43,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:43,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:22:43,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:43,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:22:43,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:22:43,187 INFO L87 Difference]: Start difference. First operand 10215 states and 28617 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:45,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:45,756 INFO L93 Difference]: Finished difference Result 13685 states and 37689 transitions. [2022-12-14 11:22:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:22:45,756 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 [2022-12-14 11:22:45,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:45,787 INFO L225 Difference]: With dead ends: 13685 [2022-12-14 11:22:45,787 INFO L226 Difference]: Without dead ends: 13685 [2022-12-14 11:22:45,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:22:45,788 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 375 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:45,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 211 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 11:22:45,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13685 states. [2022-12-14 11:22:45,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13685 to 10449. [2022-12-14 11:22:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10449 states, 10410 states have (on average 2.81700288184438) internal successors, (29325), 10448 states have internal predecessors, (29325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10449 states to 10449 states and 29325 transitions. [2022-12-14 11:22:46,016 INFO L78 Accepts]: Start accepts. Automaton has 10449 states and 29325 transitions. Word has length 14 [2022-12-14 11:22:46,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:46,016 INFO L495 AbstractCegarLoop]: Abstraction has 10449 states and 29325 transitions. [2022-12-14 11:22:46,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:46,016 INFO L276 IsEmpty]: Start isEmpty. Operand 10449 states and 29325 transitions. [2022-12-14 11:22:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:46,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:46,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:46,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:22:46,019 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:46,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:46,019 INFO L85 PathProgramCache]: Analyzing trace with hash -33630103, now seen corresponding path program 2 times [2022-12-14 11:22:46,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:46,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229291835] [2022-12-14 11:22:46,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:46,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:46,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:46,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229291835] [2022-12-14 11:22:46,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229291835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:46,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:46,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:22:46,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659923368] [2022-12-14 11:22:46,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:46,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:22:46,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:46,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:22:46,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:22:46,875 INFO L87 Difference]: Start difference. First operand 10449 states and 29325 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:48,470 INFO L93 Difference]: Finished difference Result 13574 states and 37414 transitions. [2022-12-14 11:22:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:22:48,470 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 [2022-12-14 11:22:48,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:48,498 INFO L225 Difference]: With dead ends: 13574 [2022-12-14 11:22:48,498 INFO L226 Difference]: Without dead ends: 13574 [2022-12-14 11:22:48,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:22:48,499 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 384 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:48,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 201 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 11:22:48,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13574 states. [2022-12-14 11:22:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13574 to 10499. [2022-12-14 11:22:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10499 states, 10460 states have (on average 2.8176864244741875) internal successors, (29473), 10498 states have internal predecessors, (29473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10499 states to 10499 states and 29473 transitions. [2022-12-14 11:22:48,724 INFO L78 Accepts]: Start accepts. Automaton has 10499 states and 29473 transitions. Word has length 14 [2022-12-14 11:22:48,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:48,725 INFO L495 AbstractCegarLoop]: Abstraction has 10499 states and 29473 transitions. [2022-12-14 11:22:48,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 10499 states and 29473 transitions. [2022-12-14 11:22:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:48,726 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:48,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:48,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 11:22:48,727 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:48,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:48,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2048229793, now seen corresponding path program 2 times [2022-12-14 11:22:48,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:48,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544738273] [2022-12-14 11:22:48,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:48,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:49,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:49,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544738273] [2022-12-14 11:22:49,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544738273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:49,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:49,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:22:49,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318053327] [2022-12-14 11:22:49,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:49,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:22:49,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:49,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:22:49,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:22:49,105 INFO L87 Difference]: Start difference. First operand 10499 states and 29473 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:22:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:52,013 INFO L93 Difference]: Finished difference Result 16365 states and 44721 transitions. [2022-12-14 11:22:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:22:52,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2022-12-14 11:22:52,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:52,047 INFO L225 Difference]: With dead ends: 16365 [2022-12-14 11:22:52,048 INFO L226 Difference]: Without dead ends: 16365 [2022-12-14 11:22:52,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:22:52,048 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 341 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:52,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 83 Invalid, 2151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2036 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 11:22:52,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16365 states. [2022-12-14 11:22:52,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16365 to 10503. [2022-12-14 11:22:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10503 states, 10464 states have (on average 2.817756116207951) internal successors, (29485), 10502 states have internal predecessors, (29485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10503 states to 10503 states and 29485 transitions. [2022-12-14 11:22:52,295 INFO L78 Accepts]: Start accepts. Automaton has 10503 states and 29485 transitions. Word has length 14 [2022-12-14 11:22:52,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:52,295 INFO L495 AbstractCegarLoop]: Abstraction has 10503 states and 29485 transitions. [2022-12-14 11:22:52,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:22:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 10503 states and 29485 transitions. [2022-12-14 11:22:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:52,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:52,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:52,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 11:22:52,297 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:52,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:52,297 INFO L85 PathProgramCache]: Analyzing trace with hash -115521529, now seen corresponding path program 3 times [2022-12-14 11:22:52,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:52,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270286255] [2022-12-14 11:22:52,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:52,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:52,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:52,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270286255] [2022-12-14 11:22:52,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270286255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:52,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:52,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:22:52,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165210727] [2022-12-14 11:22:52,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:52,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:22:52,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:52,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:22:52,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:22:52,843 INFO L87 Difference]: Start difference. First operand 10503 states and 29485 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:54,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:54,798 INFO L93 Difference]: Finished difference Result 14083 states and 38729 transitions. [2022-12-14 11:22:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:22:54,798 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 [2022-12-14 11:22:54,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:54,821 INFO L225 Difference]: With dead ends: 14083 [2022-12-14 11:22:54,821 INFO L226 Difference]: Without dead ends: 14083 [2022-12-14 11:22:54,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:22:54,822 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 288 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:54,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 165 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 11:22:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14083 states. [2022-12-14 11:22:54,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14083 to 10591. [2022-12-14 11:22:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10591 states, 10552 states have (on average 2.8185178165276725) internal successors, (29741), 10590 states have internal predecessors, (29741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:54,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10591 states to 10591 states and 29741 transitions. [2022-12-14 11:22:54,983 INFO L78 Accepts]: Start accepts. Automaton has 10591 states and 29741 transitions. Word has length 14 [2022-12-14 11:22:54,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:54,984 INFO L495 AbstractCegarLoop]: Abstraction has 10591 states and 29741 transitions. [2022-12-14 11:22:54,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-12-14 11:22:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 10591 states and 29741 transitions. [2022-12-14 11:22:54,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:54,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:54,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:54,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 11:22:54,985 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:54,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:54,986 INFO L85 PathProgramCache]: Analyzing trace with hash 371561321, now seen corresponding path program 4 times [2022-12-14 11:22:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:54,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521769950] [2022-12-14 11:22:54,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:54,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:55,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:55,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521769950] [2022-12-14 11:22:55,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521769950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:55,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:55,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:22:55,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062491688] [2022-12-14 11:22:55,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:55,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:22:55,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:55,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:22:55,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:22:55,264 INFO L87 Difference]: Start difference. First operand 10591 states and 29741 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:22:57,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:57,301 INFO L93 Difference]: Finished difference Result 15893 states and 43331 transitions. [2022-12-14 11:22:57,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:22:57,301 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2022-12-14 11:22:57,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:57,326 INFO L225 Difference]: With dead ends: 15893 [2022-12-14 11:22:57,326 INFO L226 Difference]: Without dead ends: 15893 [2022-12-14 11:22:57,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:22:57,327 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 350 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:57,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 124 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 11:22:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15893 states. [2022-12-14 11:22:57,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15893 to 11639. [2022-12-14 11:22:57,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11639 states, 11600 states have (on average 2.8326724137931034) internal successors, (32859), 11638 states have internal predecessors, (32859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11639 states to 11639 states and 32859 transitions. [2022-12-14 11:22:57,503 INFO L78 Accepts]: Start accepts. Automaton has 11639 states and 32859 transitions. Word has length 14 [2022-12-14 11:22:57,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:57,503 INFO L495 AbstractCegarLoop]: Abstraction has 11639 states and 32859 transitions. [2022-12-14 11:22:57,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:22:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 11639 states and 32859 transitions. [2022-12-14 11:22:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:57,504 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:57,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:57,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 11:22:57,504 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:57,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash 924484629, now seen corresponding path program 5 times [2022-12-14 11:22:57,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:57,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697905554] [2022-12-14 11:22:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:57,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:57,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:57,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697905554] [2022-12-14 11:22:57,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697905554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:57,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:57,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:22:57,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809256643] [2022-12-14 11:22:57,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:57,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:22:57,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:57,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:22:57,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:22:57,784 INFO L87 Difference]: Start difference. First operand 11639 states and 32859 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:22:59,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:59,346 INFO L93 Difference]: Finished difference Result 17507 states and 48038 transitions. [2022-12-14 11:22:59,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:22:59,346 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2022-12-14 11:22:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:59,376 INFO L225 Difference]: With dead ends: 17507 [2022-12-14 11:22:59,376 INFO L226 Difference]: Without dead ends: 17507 [2022-12-14 11:22:59,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:22:59,377 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 447 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:59,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 99 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 11:22:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17507 states. [2022-12-14 11:22:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17507 to 12163. [2022-12-14 11:22:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12163 states, 12124 states have (on average 2.8388320686242166) internal successors, (34418), 12162 states have internal predecessors, (34418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:22:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12163 states to 12163 states and 34418 transitions. [2022-12-14 11:22:59,578 INFO L78 Accepts]: Start accepts. Automaton has 12163 states and 34418 transitions. Word has length 14 [2022-12-14 11:22:59,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:59,578 INFO L495 AbstractCegarLoop]: Abstraction has 12163 states and 34418 transitions. [2022-12-14 11:22:59,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:22:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12163 states and 34418 transitions. [2022-12-14 11:22:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:22:59,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:59,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:59,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 11:22:59,579 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:22:59,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:59,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2010172449, now seen corresponding path program 3 times [2022-12-14 11:22:59,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:59,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962025760] [2022-12-14 11:22:59,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:59,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:59,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:22:59,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962025760] [2022-12-14 11:22:59,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962025760] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:59,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:59,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:22:59,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337339527] [2022-12-14 11:22:59,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:59,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:22:59,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:22:59,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:22:59,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:22:59,853 INFO L87 Difference]: Start difference. First operand 12163 states and 34418 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:23:02,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:02,324 INFO L93 Difference]: Finished difference Result 19739 states and 54631 transitions. [2022-12-14 11:23:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:23:02,324 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2022-12-14 11:23:02,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:02,358 INFO L225 Difference]: With dead ends: 19739 [2022-12-14 11:23:02,359 INFO L226 Difference]: Without dead ends: 19739 [2022-12-14 11:23:02,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:23:02,359 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 433 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:02,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 68 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 11:23:02,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19739 states. [2022-12-14 11:23:02,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19739 to 11689. [2022-12-14 11:23:02,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11689 states, 11650 states have (on average 2.8332188841201718) internal successors, (33007), 11688 states have internal predecessors, (33007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11689 states to 11689 states and 33007 transitions. [2022-12-14 11:23:02,565 INFO L78 Accepts]: Start accepts. Automaton has 11689 states and 33007 transitions. Word has length 14 [2022-12-14 11:23:02,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:02,566 INFO L495 AbstractCegarLoop]: Abstraction has 11689 states and 33007 transitions. [2022-12-14 11:23:02,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:23:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 11689 states and 33007 transitions. [2022-12-14 11:23:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:23:02,567 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:02,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:02,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 11:23:02,567 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:02,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:02,567 INFO L85 PathProgramCache]: Analyzing trace with hash -827159253, now seen corresponding path program 6 times [2022-12-14 11:23:02,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:02,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832265454] [2022-12-14 11:23:02,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:02,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:02,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:02,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832265454] [2022-12-14 11:23:02,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832265454] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:02,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:02,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:23:02,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638830294] [2022-12-14 11:23:02,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:02,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:23:02,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:02,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:23:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:23:02,847 INFO L87 Difference]: Start difference. First operand 11689 states and 33007 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:23:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:04,824 INFO L93 Difference]: Finished difference Result 17910 states and 49186 transitions. [2022-12-14 11:23:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:23:04,824 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2022-12-14 11:23:04,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:04,854 INFO L225 Difference]: With dead ends: 17910 [2022-12-14 11:23:04,854 INFO L226 Difference]: Without dead ends: 17910 [2022-12-14 11:23:04,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:23:04,855 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 433 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:04,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 100 Invalid, 1663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 11:23:04,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17910 states. [2022-12-14 11:23:05,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17910 to 12180. [2022-12-14 11:23:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12180 states, 12141 states have (on average 2.8385635450127666) internal successors, (34463), 12179 states have internal predecessors, (34463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12180 states to 12180 states and 34463 transitions. [2022-12-14 11:23:05,057 INFO L78 Accepts]: Start accepts. Automaton has 12180 states and 34463 transitions. Word has length 14 [2022-12-14 11:23:05,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:05,057 INFO L495 AbstractCegarLoop]: Abstraction has 12180 states and 34463 transitions. [2022-12-14 11:23:05,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-12-14 11:23:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 12180 states and 34463 transitions. [2022-12-14 11:23:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:23:05,058 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:05,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:05,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 11:23:05,058 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:05,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1617190329, now seen corresponding path program 2 times [2022-12-14 11:23:05,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:05,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694647088] [2022-12-14 11:23:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:05,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:05,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694647088] [2022-12-14 11:23:05,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694647088] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:05,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:05,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:05,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015273971] [2022-12-14 11:23:05,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:05,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:05,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:05,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:05,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:05,355 INFO L87 Difference]: Start difference. First operand 12180 states and 34463 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-12-14 11:23:05,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:05,765 INFO L93 Difference]: Finished difference Result 10694 states and 29408 transitions. [2022-12-14 11:23:05,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:05,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 [2022-12-14 11:23:05,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:05,782 INFO L225 Difference]: With dead ends: 10694 [2022-12-14 11:23:05,782 INFO L226 Difference]: Without dead ends: 10694 [2022-12-14 11:23:05,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:23:05,783 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 313 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:05,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 230 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:23:05,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10694 states. [2022-12-14 11:23:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10694 to 10148. [2022-12-14 11:23:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10148 states, 10109 states have (on average 2.807399347116431) internal successors, (28380), 10147 states have internal predecessors, (28380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10148 states to 10148 states and 28380 transitions. [2022-12-14 11:23:05,918 INFO L78 Accepts]: Start accepts. Automaton has 10148 states and 28380 transitions. Word has length 14 [2022-12-14 11:23:05,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:05,919 INFO L495 AbstractCegarLoop]: Abstraction has 10148 states and 28380 transitions. [2022-12-14 11:23:05,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-12-14 11:23:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 10148 states and 28380 transitions. [2022-12-14 11:23:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:23:05,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:05,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:05,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 11:23:05,920 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:05,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:05,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1846362669, now seen corresponding path program 3 times [2022-12-14 11:23:05,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:05,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106810330] [2022-12-14 11:23:05,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:05,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:06,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:06,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106810330] [2022-12-14 11:23:06,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106810330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:06,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:06,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:06,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314675402] [2022-12-14 11:23:06,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:06,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:06,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:06,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:06,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:06,222 INFO L87 Difference]: Start difference. First operand 10148 states and 28380 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-12-14 11:23:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:06,577 INFO L93 Difference]: Finished difference Result 1525 states and 2899 transitions. [2022-12-14 11:23:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:06,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 [2022-12-14 11:23:06,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:06,579 INFO L225 Difference]: With dead ends: 1525 [2022-12-14 11:23:06,579 INFO L226 Difference]: Without dead ends: 1525 [2022-12-14 11:23:06,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:23:06,580 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 234 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:06,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 217 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:23:06,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2022-12-14 11:23:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1492. [2022-12-14 11:23:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1470 states have (on average 1.9476190476190476) internal successors, (2863), 1491 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2863 transitions. [2022-12-14 11:23:06,593 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2863 transitions. Word has length 14 [2022-12-14 11:23:06,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:06,593 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 2863 transitions. [2022-12-14 11:23:06,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-12-14 11:23:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2863 transitions. [2022-12-14 11:23:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:23:06,593 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:06,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:06,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 11:23:06,594 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:06,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1161301091, now seen corresponding path program 1 times [2022-12-14 11:23:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:06,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992069065] [2022-12-14 11:23:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:06,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:06,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:06,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992069065] [2022-12-14 11:23:06,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992069065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:06,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:06,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:06,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866384963] [2022-12-14 11:23:06,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:06,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:06,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:06,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:06,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:06,763 INFO L87 Difference]: Start difference. First operand 1492 states and 2863 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) [2022-12-14 11:23:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:07,102 INFO L93 Difference]: Finished difference Result 1469 states and 2819 transitions. [2022-12-14 11:23:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:07,103 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 [2022-12-14 11:23:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:07,104 INFO L225 Difference]: With dead ends: 1469 [2022-12-14 11:23:07,104 INFO L226 Difference]: Without dead ends: 1469 [2022-12-14 11:23:07,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:07,105 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 30 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:07,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 58 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:23:07,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-12-14 11:23:07,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2022-12-14 11:23:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1450 states have (on average 1.9441379310344828) internal successors, (2819), 1468 states have internal predecessors, (2819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2819 transitions. [2022-12-14 11:23:07,118 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2819 transitions. Word has length 15 [2022-12-14 11:23:07,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:07,118 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2819 transitions. [2022-12-14 11:23:07,118 INFO L496 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) [2022-12-14 11:23:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2819 transitions. [2022-12-14 11:23:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:23:07,119 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:07,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:07,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 11:23:07,119 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:07,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:07,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1486843907, now seen corresponding path program 1 times [2022-12-14 11:23:07,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:07,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307563265] [2022-12-14 11:23:07,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:07,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:07,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307563265] [2022-12-14 11:23:07,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307563265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:07,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:07,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:23:07,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50458027] [2022-12-14 11:23:07,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:07,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:23:07,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:07,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:23:07,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:23:07,401 INFO L87 Difference]: Start difference. First operand 1469 states and 2819 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:08,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:08,685 INFO L93 Difference]: Finished difference Result 1942 states and 3649 transitions. [2022-12-14 11:23:08,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:23:08,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 11:23:08,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:08,688 INFO L225 Difference]: With dead ends: 1942 [2022-12-14 11:23:08,688 INFO L226 Difference]: Without dead ends: 1942 [2022-12-14 11:23:08,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:23:08,688 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 374 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:08,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 122 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:08,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2022-12-14 11:23:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1228. [2022-12-14 11:23:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1211 states have (on average 1.9232039636663913) internal successors, (2329), 1227 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 2329 transitions. [2022-12-14 11:23:08,702 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 2329 transitions. Word has length 15 [2022-12-14 11:23:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:08,702 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 2329 transitions. [2022-12-14 11:23:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 2329 transitions. [2022-12-14 11:23:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 11:23:08,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:08,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:08,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 11:23:08,703 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:08,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:08,703 INFO L85 PathProgramCache]: Analyzing trace with hash 215587289, now seen corresponding path program 1 times [2022-12-14 11:23:08,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:08,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230378515] [2022-12-14 11:23:08,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:08,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:08,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:08,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230378515] [2022-12-14 11:23:08,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230378515] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:08,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:08,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:08,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547581447] [2022-12-14 11:23:08,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:08,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:08,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:08,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:08,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:08,869 INFO L87 Difference]: Start difference. First operand 1228 states and 2329 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2022-12-14 11:23:09,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:09,447 INFO L93 Difference]: Finished difference Result 1198 states and 2271 transitions. [2022-12-14 11:23:09,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:09,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 [2022-12-14 11:23:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:09,449 INFO L225 Difference]: With dead ends: 1198 [2022-12-14 11:23:09,449 INFO L226 Difference]: Without dead ends: 1198 [2022-12-14 11:23:09,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:09,450 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 40 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:09,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 58 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 11:23:09,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-12-14 11:23:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1198. [2022-12-14 11:23:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1185 states have (on average 1.9164556962025316) internal successors, (2271), 1197 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 2271 transitions. [2022-12-14 11:23:09,459 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 2271 transitions. Word has length 17 [2022-12-14 11:23:09,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:09,460 INFO L495 AbstractCegarLoop]: Abstraction has 1198 states and 2271 transitions. [2022-12-14 11:23:09,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2022-12-14 11:23:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 2271 transitions. [2022-12-14 11:23:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:23:09,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:09,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:09,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 11:23:09,460 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:09,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:09,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1687583234, now seen corresponding path program 1 times [2022-12-14 11:23:09,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:09,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780533929] [2022-12-14 11:23:09,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:09,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:09,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:09,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780533929] [2022-12-14 11:23:09,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780533929] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:09,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:09,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:09,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370507211] [2022-12-14 11:23:09,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:09,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:09,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:09,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:09,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:09,629 INFO L87 Difference]: Start difference. First operand 1198 states and 2271 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:09,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:09,932 INFO L93 Difference]: Finished difference Result 1197 states and 2270 transitions. [2022-12-14 11:23:09,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:09,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 11:23:09,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:09,934 INFO L225 Difference]: With dead ends: 1197 [2022-12-14 11:23:09,934 INFO L226 Difference]: Without dead ends: 1197 [2022-12-14 11:23:09,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:09,934 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 42 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:09,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 50 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:23:09,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-12-14 11:23:09,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1197. [2022-12-14 11:23:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 1185 states have (on average 1.9156118143459915) internal successors, (2270), 1196 states have internal predecessors, (2270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 2270 transitions. [2022-12-14 11:23:09,945 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 2270 transitions. Word has length 19 [2022-12-14 11:23:09,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:09,945 INFO L495 AbstractCegarLoop]: Abstraction has 1197 states and 2270 transitions. [2022-12-14 11:23:09,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 2270 transitions. [2022-12-14 11:23:09,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 11:23:09,946 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:09,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:09,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 11:23:09,946 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 785780381, now seen corresponding path program 1 times [2022-12-14 11:23:09,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:09,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608227935] [2022-12-14 11:23:09,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:09,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:10,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:10,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608227935] [2022-12-14 11:23:10,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608227935] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:10,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:10,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:10,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760046833] [2022-12-14 11:23:10,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:10,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:10,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:10,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:10,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:10,119 INFO L87 Difference]: Start difference. First operand 1197 states and 2270 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) [2022-12-14 11:23:10,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:10,414 INFO L93 Difference]: Finished difference Result 1244 states and 2356 transitions. [2022-12-14 11:23:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:10,416 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 [2022-12-14 11:23:10,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:10,417 INFO L225 Difference]: With dead ends: 1244 [2022-12-14 11:23:10,417 INFO L226 Difference]: Without dead ends: 1244 [2022-12-14 11:23:10,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:10,417 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 24 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:10,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 58 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:23:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-12-14 11:23:10,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2022-12-14 11:23:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1232 states have (on average 1.9123376623376624) internal successors, (2356), 1243 states have internal predecessors, (2356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2356 transitions. [2022-12-14 11:23:10,427 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 2356 transitions. Word has length 21 [2022-12-14 11:23:10,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:10,428 INFO L495 AbstractCegarLoop]: Abstraction has 1244 states and 2356 transitions. [2022-12-14 11:23:10,428 INFO L496 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) [2022-12-14 11:23:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2356 transitions. [2022-12-14 11:23:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 11:23:10,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:10,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:10,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 11:23:10,428 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:10,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:10,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2136293499, now seen corresponding path program 1 times [2022-12-14 11:23:10,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:10,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119368714] [2022-12-14 11:23:10,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:10,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:10,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:10,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119368714] [2022-12-14 11:23:10,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119368714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:10,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:10,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:10,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666407829] [2022-12-14 11:23:10,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:10,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:10,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:10,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:10,614 INFO L87 Difference]: Start difference. First operand 1244 states and 2356 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:11,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:11,307 INFO L93 Difference]: Finished difference Result 1355 states and 2568 transitions. [2022-12-14 11:23:11,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:11,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-12-14 11:23:11,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:11,310 INFO L225 Difference]: With dead ends: 1355 [2022-12-14 11:23:11,310 INFO L226 Difference]: Without dead ends: 1355 [2022-12-14 11:23:11,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:11,310 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 37 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:11,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 60 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 11:23:11,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2022-12-14 11:23:11,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1329. [2022-12-14 11:23:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1317 states have (on average 1.911921032649962) internal successors, (2518), 1328 states have internal predecessors, (2518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 2518 transitions. [2022-12-14 11:23:11,321 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 2518 transitions. Word has length 23 [2022-12-14 11:23:11,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:11,321 INFO L495 AbstractCegarLoop]: Abstraction has 1329 states and 2518 transitions. [2022-12-14 11:23:11,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2518 transitions. [2022-12-14 11:23:11,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 11:23:11,321 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:11,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:11,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 11:23:11,322 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:11,322 INFO L85 PathProgramCache]: Analyzing trace with hash 704470190, now seen corresponding path program 1 times [2022-12-14 11:23:11,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:11,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880708244] [2022-12-14 11:23:11,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:11,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:11,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:11,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880708244] [2022-12-14 11:23:11,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880708244] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:11,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:11,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:23:11,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231948402] [2022-12-14 11:23:11,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:11,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:23:11,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:11,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:23:11,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:11,503 INFO L87 Difference]: Start difference. First operand 1329 states and 2518 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:11,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:11,753 INFO L93 Difference]: Finished difference Result 1328 states and 2517 transitions. [2022-12-14 11:23:11,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:23:11,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 11:23:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:11,755 INFO L225 Difference]: With dead ends: 1328 [2022-12-14 11:23:11,755 INFO L226 Difference]: Without dead ends: 1282 [2022-12-14 11:23:11,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:23:11,756 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 39 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:11,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 50 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:23:11,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-12-14 11:23:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1282. [2022-12-14 11:23:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1271 states have (on average 1.926042486231314) internal successors, (2448), 1281 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 2448 transitions. [2022-12-14 11:23:11,766 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 2448 transitions. Word has length 25 [2022-12-14 11:23:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:11,766 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 2448 transitions. [2022-12-14 11:23:11,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 2448 transitions. [2022-12-14 11:23:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 11:23:11,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:11,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:11,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 11:23:11,767 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:11,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1457116978, now seen corresponding path program 1 times [2022-12-14 11:23:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:11,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860134570] [2022-12-14 11:23:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:11,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:12,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:12,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860134570] [2022-12-14 11:23:12,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860134570] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:12,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:12,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:23:12,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339028331] [2022-12-14 11:23:12,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:12,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:23:12,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:12,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:23:12,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:23:12,295 INFO L87 Difference]: Start difference. First operand 1282 states and 2448 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:12,765 INFO L93 Difference]: Finished difference Result 1268 states and 2418 transitions. [2022-12-14 11:23:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:23:12,765 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2022-12-14 11:23:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:12,767 INFO L225 Difference]: With dead ends: 1268 [2022-12-14 11:23:12,767 INFO L226 Difference]: Without dead ends: 1268 [2022-12-14 11:23:12,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:23:12,767 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 193 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:12,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 58 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:23:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-12-14 11:23:12,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1212. [2022-12-14 11:23:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1204 states have (on average 1.9219269102990033) internal successors, (2314), 1211 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 2314 transitions. [2022-12-14 11:23:12,777 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 2314 transitions. Word has length 26 [2022-12-14 11:23:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:12,777 INFO L495 AbstractCegarLoop]: Abstraction has 1212 states and 2314 transitions. [2022-12-14 11:23:12,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 2314 transitions. [2022-12-14 11:23:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 11:23:12,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:12,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:12,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 11:23:12,778 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:12,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:12,778 INFO L85 PathProgramCache]: Analyzing trace with hash -749197648, now seen corresponding path program 1 times [2022-12-14 11:23:12,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:12,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468940884] [2022-12-14 11:23:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:12,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:13,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:13,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468940884] [2022-12-14 11:23:13,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468940884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:13,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:13,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:23:13,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344583289] [2022-12-14 11:23:13,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:13,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:23:13,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:13,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:23:13,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:23:13,460 INFO L87 Difference]: Start difference. First operand 1212 states and 2314 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:14,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:14,075 INFO L93 Difference]: Finished difference Result 1200 states and 2286 transitions. [2022-12-14 11:23:14,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:23:14,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2022-12-14 11:23:14,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:14,076 INFO L225 Difference]: With dead ends: 1200 [2022-12-14 11:23:14,076 INFO L226 Difference]: Without dead ends: 1200 [2022-12-14 11:23:14,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:23:14,077 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 205 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:14,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 106 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:23:14,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2022-12-14 11:23:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1127. [2022-12-14 11:23:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1121 states have (on average 1.9134701159678857) internal successors, (2145), 1126 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2145 transitions. [2022-12-14 11:23:14,086 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2145 transitions. Word has length 26 [2022-12-14 11:23:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:14,087 INFO L495 AbstractCegarLoop]: Abstraction has 1127 states and 2145 transitions. [2022-12-14 11:23:14,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:14,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2145 transitions. [2022-12-14 11:23:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:14,087 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:14,087 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:14,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 11:23:14,088 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:14,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:14,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2003312672, now seen corresponding path program 1 times [2022-12-14 11:23:14,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:14,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528706264] [2022-12-14 11:23:14,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:14,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:14,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:14,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528706264] [2022-12-14 11:23:14,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528706264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:14,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:14,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193253591] [2022-12-14 11:23:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:14,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:14,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:14,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:14,692 INFO L87 Difference]: Start difference. First operand 1127 states and 2145 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:15,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:15,817 INFO L93 Difference]: Finished difference Result 2538 states and 4748 transitions. [2022-12-14 11:23:15,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:23:15,817 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:15,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:15,820 INFO L225 Difference]: With dead ends: 2538 [2022-12-14 11:23:15,820 INFO L226 Difference]: Without dead ends: 2538 [2022-12-14 11:23:15,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2022-12-14 11:23:15,820 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 449 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:15,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 97 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:23:15,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2022-12-14 11:23:15,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 1255. [2022-12-14 11:23:15,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1249 states have (on average 1.922337870296237) internal successors, (2401), 1254 states have internal predecessors, (2401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2401 transitions. [2022-12-14 11:23:15,834 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2401 transitions. Word has length 34 [2022-12-14 11:23:15,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:15,834 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 2401 transitions. [2022-12-14 11:23:15,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2401 transitions. [2022-12-14 11:23:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:15,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:15,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:15,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 11:23:15,835 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:15,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:15,836 INFO L85 PathProgramCache]: Analyzing trace with hash 610086674, now seen corresponding path program 2 times [2022-12-14 11:23:15,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:15,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339068190] [2022-12-14 11:23:15,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:15,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:16,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:16,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:16,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339068190] [2022-12-14 11:23:16,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339068190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:16,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:16,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:16,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522200310] [2022-12-14 11:23:16,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:16,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:16,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:16,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:16,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:16,423 INFO L87 Difference]: Start difference. First operand 1255 states and 2401 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:17,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:17,809 INFO L93 Difference]: Finished difference Result 2575 states and 4820 transitions. [2022-12-14 11:23:17,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:23:17,810 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:17,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:17,812 INFO L225 Difference]: With dead ends: 2575 [2022-12-14 11:23:17,812 INFO L226 Difference]: Without dead ends: 2575 [2022-12-14 11:23:17,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:23:17,813 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 424 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:17,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 95 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:17,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2575 states. [2022-12-14 11:23:17,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2575 to 1252. [2022-12-14 11:23:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1246 states have (on average 1.9221508828250402) internal successors, (2395), 1251 states have internal predecessors, (2395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2395 transitions. [2022-12-14 11:23:17,827 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2395 transitions. Word has length 34 [2022-12-14 11:23:17,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:17,827 INFO L495 AbstractCegarLoop]: Abstraction has 1252 states and 2395 transitions. [2022-12-14 11:23:17,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2395 transitions. [2022-12-14 11:23:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:17,828 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:17,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:17,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 11:23:17,828 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:17,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1315836064, now seen corresponding path program 3 times [2022-12-14 11:23:17,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:17,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268225138] [2022-12-14 11:23:17,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:17,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:19,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:19,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268225138] [2022-12-14 11:23:19,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268225138] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:19,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:19,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:19,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757161506] [2022-12-14 11:23:19,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:19,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:19,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:19,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:19,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:19,796 INFO L87 Difference]: Start difference. First operand 1252 states and 2395 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:22,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:22,243 INFO L93 Difference]: Finished difference Result 2624 states and 4892 transitions. [2022-12-14 11:23:22,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:23:22,243 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:22,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:22,245 INFO L225 Difference]: With dead ends: 2624 [2022-12-14 11:23:22,246 INFO L226 Difference]: Without dead ends: 2624 [2022-12-14 11:23:22,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2022-12-14 11:23:22,246 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 467 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:22,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 100 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 11:23:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2022-12-14 11:23:22,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 1292. [2022-12-14 11:23:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 1286 states have (on average 1.9245723172628304) internal successors, (2475), 1291 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 2475 transitions. [2022-12-14 11:23:22,261 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 2475 transitions. Word has length 34 [2022-12-14 11:23:22,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:22,261 INFO L495 AbstractCegarLoop]: Abstraction has 1292 states and 2475 transitions. [2022-12-14 11:23:22,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 2475 transitions. [2022-12-14 11:23:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:22,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:22,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:22,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 11:23:22,262 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:22,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:22,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1612406190, now seen corresponding path program 4 times [2022-12-14 11:23:22,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:22,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769209334] [2022-12-14 11:23:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:22,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:22,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769209334] [2022-12-14 11:23:22,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769209334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:22,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:22,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:22,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023510016] [2022-12-14 11:23:22,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:22,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:22,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:22,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:22,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:22,759 INFO L87 Difference]: Start difference. First operand 1292 states and 2475 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:23,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:23,995 INFO L93 Difference]: Finished difference Result 2732 states and 5128 transitions. [2022-12-14 11:23:23,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:23:23,995 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:23,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:23,997 INFO L225 Difference]: With dead ends: 2732 [2022-12-14 11:23:23,997 INFO L226 Difference]: Without dead ends: 2732 [2022-12-14 11:23:23,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:23:23,998 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 488 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:23,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 83 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:23:24,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-12-14 11:23:24,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 1292. [2022-12-14 11:23:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 1286 states have (on average 1.9245723172628304) internal successors, (2475), 1291 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 2475 transitions. [2022-12-14 11:23:24,013 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 2475 transitions. Word has length 34 [2022-12-14 11:23:24,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:24,013 INFO L495 AbstractCegarLoop]: Abstraction has 1292 states and 2475 transitions. [2022-12-14 11:23:24,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 2475 transitions. [2022-12-14 11:23:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:24,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:24,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:24,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 11:23:24,014 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:24,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash 994632500, now seen corresponding path program 5 times [2022-12-14 11:23:24,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:24,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123581209] [2022-12-14 11:23:24,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:24,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:24,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:24,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123581209] [2022-12-14 11:23:24,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123581209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:24,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:24,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:24,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061210233] [2022-12-14 11:23:24,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:24,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:24,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:24,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:24,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:24,587 INFO L87 Difference]: Start difference. First operand 1292 states and 2475 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:25,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:25,795 INFO L93 Difference]: Finished difference Result 2594 states and 4859 transitions. [2022-12-14 11:23:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:23:25,795 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:25,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:25,798 INFO L225 Difference]: With dead ends: 2594 [2022-12-14 11:23:25,798 INFO L226 Difference]: Without dead ends: 2594 [2022-12-14 11:23:25,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:23:25,798 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 498 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:25,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 87 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:23:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2022-12-14 11:23:25,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 1246. [2022-12-14 11:23:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1240 states have (on average 1.9217741935483872) internal successors, (2383), 1245 states have internal predecessors, (2383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 2383 transitions. [2022-12-14 11:23:25,813 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 2383 transitions. Word has length 34 [2022-12-14 11:23:25,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:25,813 INFO L495 AbstractCegarLoop]: Abstraction has 1246 states and 2383 transitions. [2022-12-14 11:23:25,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:25,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2383 transitions. [2022-12-14 11:23:25,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:25,813 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:25,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:25,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 11:23:25,814 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:25,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash -99124182, now seen corresponding path program 6 times [2022-12-14 11:23:25,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:25,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312441017] [2022-12-14 11:23:25,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:25,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:26,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:26,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312441017] [2022-12-14 11:23:26,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312441017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:26,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:26,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:26,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275123329] [2022-12-14 11:23:26,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:26,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:26,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:26,387 INFO L87 Difference]: Start difference. First operand 1246 states and 2383 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:27,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:27,835 INFO L93 Difference]: Finished difference Result 2915 states and 5407 transitions. [2022-12-14 11:23:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:23:27,835 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:27,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:27,838 INFO L225 Difference]: With dead ends: 2915 [2022-12-14 11:23:27,838 INFO L226 Difference]: Without dead ends: 2915 [2022-12-14 11:23:27,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-12-14 11:23:27,839 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 313 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:27,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 129 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2022-12-14 11:23:27,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 1306. [2022-12-14 11:23:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 1300 states have (on average 1.9253846153846155) internal successors, (2503), 1305 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 2503 transitions. [2022-12-14 11:23:27,854 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 2503 transitions. Word has length 34 [2022-12-14 11:23:27,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:27,854 INFO L495 AbstractCegarLoop]: Abstraction has 1306 states and 2503 transitions. [2022-12-14 11:23:27,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 2503 transitions. [2022-12-14 11:23:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:27,855 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:27,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:27,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 11:23:27,855 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:27,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:27,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1780692132, now seen corresponding path program 7 times [2022-12-14 11:23:27,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:27,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011618168] [2022-12-14 11:23:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:27,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:28,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:28,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011618168] [2022-12-14 11:23:28,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011618168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:28,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:28,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:28,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173069943] [2022-12-14 11:23:28,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:28,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:28,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:28,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:28,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:28,375 INFO L87 Difference]: Start difference. First operand 1306 states and 2503 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:29,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:29,744 INFO L93 Difference]: Finished difference Result 2952 states and 5479 transitions. [2022-12-14 11:23:29,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:23:29,745 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:29,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:29,747 INFO L225 Difference]: With dead ends: 2952 [2022-12-14 11:23:29,747 INFO L226 Difference]: Without dead ends: 2952 [2022-12-14 11:23:29,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:23:29,748 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 333 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:29,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 124 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2022-12-14 11:23:29,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 1286. [2022-12-14 11:23:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 1280 states have (on average 1.92421875) internal successors, (2463), 1285 states have internal predecessors, (2463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 2463 transitions. [2022-12-14 11:23:29,763 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 2463 transitions. Word has length 34 [2022-12-14 11:23:29,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:29,763 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 2463 transitions. [2022-12-14 11:23:29,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 2463 transitions. [2022-12-14 11:23:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:29,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:29,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:29,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 11:23:29,764 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1074942742, now seen corresponding path program 8 times [2022-12-14 11:23:29,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:29,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61188196] [2022-12-14 11:23:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:30,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:30,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61188196] [2022-12-14 11:23:30,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61188196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:30,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:30,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:30,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081479192] [2022-12-14 11:23:30,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:30,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:30,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:30,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:30,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:30,263 INFO L87 Difference]: Start difference. First operand 1286 states and 2463 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:31,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:31,529 INFO L93 Difference]: Finished difference Result 3029 states and 5629 transitions. [2022-12-14 11:23:31,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:23:31,529 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:31,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:31,532 INFO L225 Difference]: With dead ends: 3029 [2022-12-14 11:23:31,532 INFO L226 Difference]: Without dead ends: 3029 [2022-12-14 11:23:31,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:23:31,532 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 339 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:31,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 124 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:23:31,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-12-14 11:23:31,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 1266. [2022-12-14 11:23:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1260 states have (on average 1.923015873015873) internal successors, (2423), 1265 states have internal predecessors, (2423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 2423 transitions. [2022-12-14 11:23:31,548 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 2423 transitions. Word has length 34 [2022-12-14 11:23:31,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:31,548 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 2423 transitions. [2022-12-14 11:23:31,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 2423 transitions. [2022-12-14 11:23:31,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:31,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:31,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:31,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 11:23:31,549 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:31,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash 291782300, now seen corresponding path program 9 times [2022-12-14 11:23:31,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:31,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138155281] [2022-12-14 11:23:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:31,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:32,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:32,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138155281] [2022-12-14 11:23:32,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138155281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:32,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:32,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:32,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968802087] [2022-12-14 11:23:32,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:32,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:32,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:32,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:32,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:32,015 INFO L87 Difference]: Start difference. First operand 1266 states and 2423 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:33,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:33,649 INFO L93 Difference]: Finished difference Result 3629 states and 6811 transitions. [2022-12-14 11:23:33,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:23:33,649 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:33,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:33,653 INFO L225 Difference]: With dead ends: 3629 [2022-12-14 11:23:33,653 INFO L226 Difference]: Without dead ends: 3629 [2022-12-14 11:23:33,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:23:33,654 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 354 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:33,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 126 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2320 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 11:23:33,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3629 states. [2022-12-14 11:23:33,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3629 to 1244. [2022-12-14 11:23:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1238 states have (on average 1.9216478190630049) internal successors, (2379), 1243 states have internal predecessors, (2379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2379 transitions. [2022-12-14 11:23:33,671 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 2379 transitions. Word has length 34 [2022-12-14 11:23:33,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:33,671 INFO L495 AbstractCegarLoop]: Abstraction has 1244 states and 2379 transitions. [2022-12-14 11:23:33,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2379 transitions. [2022-12-14 11:23:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:33,672 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:33,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:33,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-14 11:23:33,672 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:33,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash 978817683, now seen corresponding path program 1 times [2022-12-14 11:23:33,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:33,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992806158] [2022-12-14 11:23:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:34,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:34,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992806158] [2022-12-14 11:23:34,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992806158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:34,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:34,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:34,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224580403] [2022-12-14 11:23:34,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:34,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:34,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:34,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:34,612 INFO L87 Difference]: Start difference. First operand 1244 states and 2379 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:36,163 INFO L93 Difference]: Finished difference Result 2128 states and 3983 transitions. [2022-12-14 11:23:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:23:36,164 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:36,166 INFO L225 Difference]: With dead ends: 2128 [2022-12-14 11:23:36,166 INFO L226 Difference]: Without dead ends: 2128 [2022-12-14 11:23:36,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2022-12-14 11:23:36,166 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 360 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:36,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 124 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1562 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 11:23:36,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-12-14 11:23:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 1264. [2022-12-14 11:23:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1258 states have (on average 1.9228934817170111) internal successors, (2419), 1263 states have internal predecessors, (2419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2419 transitions. [2022-12-14 11:23:36,181 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2419 transitions. Word has length 34 [2022-12-14 11:23:36,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:36,181 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 2419 transitions. [2022-12-14 11:23:36,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2419 transitions. [2022-12-14 11:23:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:36,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:36,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:36,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-14 11:23:36,182 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1958172465, now seen corresponding path program 2 times [2022-12-14 11:23:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:36,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127316869] [2022-12-14 11:23:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:36,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:36,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127316869] [2022-12-14 11:23:36,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127316869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:36,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:36,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:36,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428068810] [2022-12-14 11:23:36,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:36,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:36,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:36,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:36,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:36,647 INFO L87 Difference]: Start difference. First operand 1264 states and 2419 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:37,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:37,945 INFO L93 Difference]: Finished difference Result 2162 states and 4049 transitions. [2022-12-14 11:23:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 11:23:37,945 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:37,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:37,948 INFO L225 Difference]: With dead ends: 2162 [2022-12-14 11:23:37,948 INFO L226 Difference]: Without dead ends: 2162 [2022-12-14 11:23:37,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-12-14 11:23:37,948 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 296 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:37,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 122 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:37,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2022-12-14 11:23:37,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 1244. [2022-12-14 11:23:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1238 states have (on average 1.9216478190630049) internal successors, (2379), 1243 states have internal predecessors, (2379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:37,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2379 transitions. [2022-12-14 11:23:37,962 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 2379 transitions. Word has length 34 [2022-12-14 11:23:37,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:37,962 INFO L495 AbstractCegarLoop]: Abstraction has 1244 states and 2379 transitions. [2022-12-14 11:23:37,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2379 transitions. [2022-12-14 11:23:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:37,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:37,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:37,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 11:23:37,963 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:37,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:37,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1795252111, now seen corresponding path program 3 times [2022-12-14 11:23:37,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:37,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775978996] [2022-12-14 11:23:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:37,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:38,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:38,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775978996] [2022-12-14 11:23:38,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775978996] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:38,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:38,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:38,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715473575] [2022-12-14 11:23:38,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:38,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:38,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:38,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:38,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:38,893 INFO L87 Difference]: Start difference. First operand 1244 states and 2379 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:41,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:41,372 INFO L93 Difference]: Finished difference Result 1904 states and 3579 transitions. [2022-12-14 11:23:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:23:41,373 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:41,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:41,375 INFO L225 Difference]: With dead ends: 1904 [2022-12-14 11:23:41,375 INFO L226 Difference]: Without dead ends: 1904 [2022-12-14 11:23:41,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:23:41,376 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 236 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:41,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 120 Invalid, 1759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 11:23:41,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2022-12-14 11:23:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1258. [2022-12-14 11:23:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1252 states have (on average 1.9225239616613419) internal successors, (2407), 1257 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 2407 transitions. [2022-12-14 11:23:41,388 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 2407 transitions. Word has length 34 [2022-12-14 11:23:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:41,388 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 2407 transitions. [2022-12-14 11:23:41,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 2407 transitions. [2022-12-14 11:23:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:41,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:41,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:41,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-14 11:23:41,390 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:41,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:41,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1795591561, now seen corresponding path program 4 times [2022-12-14 11:23:41,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:41,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670326114] [2022-12-14 11:23:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:42,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:42,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:42,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670326114] [2022-12-14 11:23:42,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670326114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:42,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:42,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:42,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822407906] [2022-12-14 11:23:42,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:42,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:42,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:42,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:42,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:42,539 INFO L87 Difference]: Start difference. First operand 1258 states and 2407 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:44,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:44,686 INFO L93 Difference]: Finished difference Result 1899 states and 3571 transitions. [2022-12-14 11:23:44,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:23:44,687 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:44,689 INFO L225 Difference]: With dead ends: 1899 [2022-12-14 11:23:44,689 INFO L226 Difference]: Without dead ends: 1899 [2022-12-14 11:23:44,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:23:44,689 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 231 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:44,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 115 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:23:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2022-12-14 11:23:44,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1260. [2022-12-14 11:23:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 1254 states have (on average 1.9226475279106858) internal successors, (2411), 1259 states have internal predecessors, (2411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 2411 transitions. [2022-12-14 11:23:44,701 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 2411 transitions. Word has length 34 [2022-12-14 11:23:44,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:44,701 INFO L495 AbstractCegarLoop]: Abstraction has 1260 states and 2411 transitions. [2022-12-14 11:23:44,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 2411 transitions. [2022-12-14 11:23:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:44,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:44,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:44,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-14 11:23:44,702 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:44,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:44,703 INFO L85 PathProgramCache]: Analyzing trace with hash -2006688291, now seen corresponding path program 5 times [2022-12-14 11:23:44,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:44,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409955943] [2022-12-14 11:23:44,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:44,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:45,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:45,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409955943] [2022-12-14 11:23:45,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409955943] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:45,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:45,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:45,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478313531] [2022-12-14 11:23:45,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:45,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:45,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:45,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:45,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:45,817 INFO L87 Difference]: Start difference. First operand 1260 states and 2411 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:48,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:48,211 INFO L93 Difference]: Finished difference Result 1932 states and 3633 transitions. [2022-12-14 11:23:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:23:48,211 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:48,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:48,213 INFO L225 Difference]: With dead ends: 1932 [2022-12-14 11:23:48,213 INFO L226 Difference]: Without dead ends: 1932 [2022-12-14 11:23:48,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:23:48,214 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 338 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:48,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 112 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2022-12-14 11:23:48,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1271. [2022-12-14 11:23:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1271 states, 1265 states have (on average 1.9233201581027668) internal successors, (2433), 1270 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 2433 transitions. [2022-12-14 11:23:48,226 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 2433 transitions. Word has length 34 [2022-12-14 11:23:48,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:48,226 INFO L495 AbstractCegarLoop]: Abstraction has 1271 states and 2433 transitions. [2022-12-14 11:23:48,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 2433 transitions. [2022-12-14 11:23:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:48,227 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:48,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:48,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-14 11:23:48,227 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:48,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:48,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2007027741, now seen corresponding path program 6 times [2022-12-14 11:23:48,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:48,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879344019] [2022-12-14 11:23:48,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:48,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:49,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:49,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879344019] [2022-12-14 11:23:49,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879344019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:49,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:49,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:49,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532780096] [2022-12-14 11:23:49,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:49,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:49,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:49,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:49,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:49,568 INFO L87 Difference]: Start difference. First operand 1271 states and 2433 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:52,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:52,565 INFO L93 Difference]: Finished difference Result 1922 states and 3615 transitions. [2022-12-14 11:23:52,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:23:52,566 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:52,568 INFO L225 Difference]: With dead ends: 1922 [2022-12-14 11:23:52,568 INFO L226 Difference]: Without dead ends: 1922 [2022-12-14 11:23:52,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:23:52,568 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 250 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:52,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 111 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 11:23:52,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2022-12-14 11:23:52,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1261. [2022-12-14 11:23:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1255 states have (on average 1.9227091633466136) internal successors, (2413), 1260 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2413 transitions. [2022-12-14 11:23:52,581 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2413 transitions. Word has length 34 [2022-12-14 11:23:52,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:52,581 INFO L495 AbstractCegarLoop]: Abstraction has 1261 states and 2413 transitions. [2022-12-14 11:23:52,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2413 transitions. [2022-12-14 11:23:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:52,581 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:52,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:52,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-14 11:23:52,582 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:52,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:52,582 INFO L85 PathProgramCache]: Analyzing trace with hash -605916623, now seen corresponding path program 7 times [2022-12-14 11:23:52,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:52,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203074574] [2022-12-14 11:23:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:52,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:53,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:53,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203074574] [2022-12-14 11:23:53,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203074574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:53,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:53,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:53,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144134547] [2022-12-14 11:23:53,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:53,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:53,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:53,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:53,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:53,839 INFO L87 Difference]: Start difference. First operand 1261 states and 2413 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:56,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:56,235 INFO L93 Difference]: Finished difference Result 1983 states and 3714 transitions. [2022-12-14 11:23:56,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 11:23:56,235 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:56,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:56,237 INFO L225 Difference]: With dead ends: 1983 [2022-12-14 11:23:56,237 INFO L226 Difference]: Without dead ends: 1983 [2022-12-14 11:23:56,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=231, Invalid=525, Unknown=0, NotChecked=0, Total=756 [2022-12-14 11:23:56,238 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 266 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:56,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 115 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:56,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-12-14 11:23:56,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1273. [2022-12-14 11:23:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1267 states have (on average 1.9234411996842935) internal successors, (2437), 1272 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 2437 transitions. [2022-12-14 11:23:56,251 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 2437 transitions. Word has length 34 [2022-12-14 11:23:56,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:56,251 INFO L495 AbstractCegarLoop]: Abstraction has 1273 states and 2437 transitions. [2022-12-14 11:23:56,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:56,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 2437 transitions. [2022-12-14 11:23:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:56,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:56,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:56,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-14 11:23:56,252 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:56,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:56,253 INFO L85 PathProgramCache]: Analyzing trace with hash -606256073, now seen corresponding path program 8 times [2022-12-14 11:23:56,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:56,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514842711] [2022-12-14 11:23:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:56,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:56,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:56,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514842711] [2022-12-14 11:23:56,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514842711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:56,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:56,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421804375] [2022-12-14 11:23:56,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:56,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:56,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:56,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:56,688 INFO L87 Difference]: Start difference. First operand 1273 states and 2437 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:58,101 INFO L93 Difference]: Finished difference Result 2456 states and 4633 transitions. [2022-12-14 11:23:58,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:23:58,101 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:58,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:58,104 INFO L225 Difference]: With dead ends: 2456 [2022-12-14 11:23:58,104 INFO L226 Difference]: Without dead ends: 2456 [2022-12-14 11:23:58,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2022-12-14 11:23:58,104 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 393 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1724 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:58,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 111 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1724 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:23:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2022-12-14 11:23:58,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 1184. [2022-12-14 11:23:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1178 states have (on average 1.9185059422750423) internal successors, (2260), 1183 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2260 transitions. [2022-12-14 11:23:58,118 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2260 transitions. Word has length 34 [2022-12-14 11:23:58,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:23:58,118 INFO L495 AbstractCegarLoop]: Abstraction has 1184 states and 2260 transitions. [2022-12-14 11:23:58,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:58,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2260 transitions. [2022-12-14 11:23:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:23:58,119 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:23:58,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:23:58,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-14 11:23:58,119 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:23:58,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:23:58,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1669316020, now seen corresponding path program 10 times [2022-12-14 11:23:58,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:23:58,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123104031] [2022-12-14 11:23:58,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:23:58,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:23:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:23:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:23:58,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:23:58,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123104031] [2022-12-14 11:23:58,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123104031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:23:58,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:23:58,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:23:58,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650838253] [2022-12-14 11:23:58,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:23:58,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:23:58,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:23:58,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:23:58,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:23:58,823 INFO L87 Difference]: Start difference. First operand 1184 states and 2260 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:23:59,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:23:59,993 INFO L93 Difference]: Finished difference Result 2504 states and 4630 transitions. [2022-12-14 11:23:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:23:59,993 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:23:59,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:23:59,995 INFO L225 Difference]: With dead ends: 2504 [2022-12-14 11:23:59,995 INFO L226 Difference]: Without dead ends: 2504 [2022-12-14 11:23:59,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2022-12-14 11:23:59,996 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 346 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:23:59,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 97 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1503 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:23:59,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2022-12-14 11:24:00,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 1204. [2022-12-14 11:24:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1198 states have (on average 1.9198664440734559) internal successors, (2300), 1203 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 2300 transitions. [2022-12-14 11:24:00,010 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 2300 transitions. Word has length 34 [2022-12-14 11:24:00,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:00,010 INFO L495 AbstractCegarLoop]: Abstraction has 1204 states and 2300 transitions. [2022-12-14 11:24:00,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 2300 transitions. [2022-12-14 11:24:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:24:00,010 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:00,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:00,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-14 11:24:00,011 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:00,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:00,011 INFO L85 PathProgramCache]: Analyzing trace with hash -96128218, now seen corresponding path program 11 times [2022-12-14 11:24:00,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:00,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279167737] [2022-12-14 11:24:00,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:00,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:00,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:00,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279167737] [2022-12-14 11:24:00,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279167737] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:00,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:00,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:24:00,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022588878] [2022-12-14 11:24:00,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:00,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:24:00,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:00,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:24:00,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:24:00,689 INFO L87 Difference]: Start difference. First operand 1204 states and 2300 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:02,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:02,525 INFO L93 Difference]: Finished difference Result 2618 states and 4856 transitions. [2022-12-14 11:24:02,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 11:24:02,526 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:24:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:02,528 INFO L225 Difference]: With dead ends: 2618 [2022-12-14 11:24:02,528 INFO L226 Difference]: Without dead ends: 2618 [2022-12-14 11:24:02,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=408, Unknown=0, NotChecked=0, Total=600 [2022-12-14 11:24:02,528 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 355 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:02,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 110 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 11:24:02,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2022-12-14 11:24:02,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 1144. [2022-12-14 11:24:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1138 states have (on average 1.9156414762741651) internal successors, (2180), 1143 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2180 transitions. [2022-12-14 11:24:02,542 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2180 transitions. Word has length 34 [2022-12-14 11:24:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:02,542 INFO L495 AbstractCegarLoop]: Abstraction has 1144 states and 2180 transitions. [2022-12-14 11:24:02,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2180 transitions. [2022-12-14 11:24:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 11:24:02,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:02,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:02,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-14 11:24:02,543 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:02,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:02,544 INFO L85 PathProgramCache]: Analyzing trace with hash -367519144, now seen corresponding path program 12 times [2022-12-14 11:24:02,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:02,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343069914] [2022-12-14 11:24:02,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:02,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:03,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:03,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343069914] [2022-12-14 11:24:03,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343069914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:03,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:03,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 11:24:03,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548493991] [2022-12-14 11:24:03,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:03,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:24:03,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:03,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:24:03,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:24:03,193 INFO L87 Difference]: Start difference. First operand 1144 states and 2180 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:04,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:04,595 INFO L93 Difference]: Finished difference Result 2565 states and 4751 transitions. [2022-12-14 11:24:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 11:24:04,595 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-12-14 11:24:04,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:04,597 INFO L225 Difference]: With dead ends: 2565 [2022-12-14 11:24:04,597 INFO L226 Difference]: Without dead ends: 2565 [2022-12-14 11:24:04,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=405, Unknown=0, NotChecked=0, Total=600 [2022-12-14 11:24:04,598 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 265 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:04,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 97 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:24:04,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2022-12-14 11:24:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 912. [2022-12-14 11:24:04,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 907 states have (on average 1.896361631753032) internal successors, (1720), 911 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1720 transitions. [2022-12-14 11:24:04,610 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1720 transitions. Word has length 34 [2022-12-14 11:24:04,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:04,610 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1720 transitions. [2022-12-14 11:24:04,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1720 transitions. [2022-12-14 11:24:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 11:24:04,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:04,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:04,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-14 11:24:04,611 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:04,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:04,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2012887897, now seen corresponding path program 1 times [2022-12-14 11:24:04,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:04,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040445361] [2022-12-14 11:24:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:04,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:04,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:04,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040445361] [2022-12-14 11:24:04,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040445361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:04,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:04,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:24:04,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077447930] [2022-12-14 11:24:04,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:04,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:24:04,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:04,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:24:04,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:24:04,942 INFO L87 Difference]: Start difference. First operand 912 states and 1720 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:05,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:05,285 INFO L93 Difference]: Finished difference Result 995 states and 1862 transitions. [2022-12-14 11:24:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:24:05,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-12-14 11:24:05,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:05,286 INFO L225 Difference]: With dead ends: 995 [2022-12-14 11:24:05,286 INFO L226 Difference]: Without dead ends: 653 [2022-12-14 11:24:05,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:24:05,286 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 40 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:05,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 52 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:24:05,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2022-12-14 11:24:05,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 645. [2022-12-14 11:24:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 640 states have (on average 1.8828125) internal successors, (1205), 644 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1205 transitions. [2022-12-14 11:24:05,292 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1205 transitions. Word has length 39 [2022-12-14 11:24:05,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:05,293 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 1205 transitions. [2022-12-14 11:24:05,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1205 transitions. [2022-12-14 11:24:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:05,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:05,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:05,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-14 11:24:05,293 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:05,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:05,294 INFO L85 PathProgramCache]: Analyzing trace with hash 405059345, now seen corresponding path program 1 times [2022-12-14 11:24:05,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:05,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772040436] [2022-12-14 11:24:05,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:05,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:05,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:05,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772040436] [2022-12-14 11:24:05,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772040436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:05,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:05,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:24:05,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079115571] [2022-12-14 11:24:05,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:05,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:24:05,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:05,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:24:05,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:24:05,752 INFO L87 Difference]: Start difference. First operand 645 states and 1205 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:06,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:06,344 INFO L93 Difference]: Finished difference Result 673 states and 1230 transitions. [2022-12-14 11:24:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:06,344 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:06,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:06,345 INFO L225 Difference]: With dead ends: 673 [2022-12-14 11:24:06,345 INFO L226 Difference]: Without dead ends: 652 [2022-12-14 11:24:06,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:24:06,345 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 158 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:06,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 98 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:24:06,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-12-14 11:24:06,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 644. [2022-12-14 11:24:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 639 states have (on average 1.8826291079812207) internal successors, (1203), 643 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1203 transitions. [2022-12-14 11:24:06,351 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1203 transitions. Word has length 42 [2022-12-14 11:24:06,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:06,351 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 1203 transitions. [2022-12-14 11:24:06,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1203 transitions. [2022-12-14 11:24:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:06,352 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:06,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:06,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-14 11:24:06,352 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:06,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:06,352 INFO L85 PathProgramCache]: Analyzing trace with hash 794725625, now seen corresponding path program 2 times [2022-12-14 11:24:06,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:06,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750019702] [2022-12-14 11:24:06,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:06,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:06,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:06,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750019702] [2022-12-14 11:24:06,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750019702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:06,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:06,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:24:06,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942151025] [2022-12-14 11:24:06,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:06,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:24:06,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:06,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:24:06,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:24:06,772 INFO L87 Difference]: Start difference. First operand 644 states and 1203 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:07,444 INFO L93 Difference]: Finished difference Result 712 states and 1295 transitions. [2022-12-14 11:24:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:24:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:07,445 INFO L225 Difference]: With dead ends: 712 [2022-12-14 11:24:07,445 INFO L226 Difference]: Without dead ends: 690 [2022-12-14 11:24:07,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:07,445 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 184 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:07,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 98 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 11:24:07,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-12-14 11:24:07,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 669. [2022-12-14 11:24:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 664 states have (on average 1.8704819277108433) internal successors, (1242), 668 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1242 transitions. [2022-12-14 11:24:07,451 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1242 transitions. Word has length 42 [2022-12-14 11:24:07,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:07,451 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 1242 transitions. [2022-12-14 11:24:07,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1242 transitions. [2022-12-14 11:24:07,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:07,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:07,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:07,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-14 11:24:07,452 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:07,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:07,452 INFO L85 PathProgramCache]: Analyzing trace with hash 211123457, now seen corresponding path program 3 times [2022-12-14 11:24:07,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:07,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273109987] [2022-12-14 11:24:07,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:07,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:07,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:07,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273109987] [2022-12-14 11:24:07,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273109987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:07,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:07,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:24:07,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559882151] [2022-12-14 11:24:07,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:07,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:24:07,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:07,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:24:07,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:24:07,875 INFO L87 Difference]: Start difference. First operand 669 states and 1242 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:08,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:08,481 INFO L93 Difference]: Finished difference Result 770 states and 1397 transitions. [2022-12-14 11:24:08,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:24:08,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:08,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:08,482 INFO L225 Difference]: With dead ends: 770 [2022-12-14 11:24:08,482 INFO L226 Difference]: Without dead ends: 746 [2022-12-14 11:24:08,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:08,482 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 180 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:08,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 90 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:24:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-12-14 11:24:08,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 694. [2022-12-14 11:24:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 689 states have (on average 1.8751814223512338) internal successors, (1292), 693 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1292 transitions. [2022-12-14 11:24:08,488 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1292 transitions. Word has length 42 [2022-12-14 11:24:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:08,488 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 1292 transitions. [2022-12-14 11:24:08,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1292 transitions. [2022-12-14 11:24:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:08,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:08,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:08,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-12-14 11:24:08,489 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:08,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:08,490 INFO L85 PathProgramCache]: Analyzing trace with hash 165335715, now seen corresponding path program 4 times [2022-12-14 11:24:08,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:08,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306425452] [2022-12-14 11:24:08,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:08,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:08,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:08,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306425452] [2022-12-14 11:24:08,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306425452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:08,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:08,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:24:08,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711115198] [2022-12-14 11:24:08,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:08,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:24:08,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:08,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:24:08,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:24:08,893 INFO L87 Difference]: Start difference. First operand 694 states and 1292 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:09,464 INFO L93 Difference]: Finished difference Result 828 states and 1510 transitions. [2022-12-14 11:24:09,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:24:09,464 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:09,465 INFO L225 Difference]: With dead ends: 828 [2022-12-14 11:24:09,465 INFO L226 Difference]: Without dead ends: 802 [2022-12-14 11:24:09,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:09,466 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:09,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 72 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:24:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-12-14 11:24:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 719. [2022-12-14 11:24:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 714 states have (on average 1.8795518207282913) internal successors, (1342), 718 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1342 transitions. [2022-12-14 11:24:09,472 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1342 transitions. Word has length 42 [2022-12-14 11:24:09,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:09,472 INFO L495 AbstractCegarLoop]: Abstraction has 719 states and 1342 transitions. [2022-12-14 11:24:09,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1342 transitions. [2022-12-14 11:24:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:09,473 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:09,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:09,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-12-14 11:24:09,473 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:09,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1217216235, now seen corresponding path program 5 times [2022-12-14 11:24:09,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:09,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53208342] [2022-12-14 11:24:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:09,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:09,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53208342] [2022-12-14 11:24:09,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53208342] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:09,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:09,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:24:09,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142101179] [2022-12-14 11:24:09,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:09,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:24:09,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:09,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:24:09,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:24:09,878 INFO L87 Difference]: Start difference. First operand 719 states and 1342 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:10,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:10,310 INFO L93 Difference]: Finished difference Result 700 states and 1299 transitions. [2022-12-14 11:24:10,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:10,311 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:10,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:10,312 INFO L225 Difference]: With dead ends: 700 [2022-12-14 11:24:10,312 INFO L226 Difference]: Without dead ends: 666 [2022-12-14 11:24:10,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:24:10,312 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 191 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:10,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 101 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:24:10,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2022-12-14 11:24:10,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 520. [2022-12-14 11:24:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 518 states have (on average 1.8803088803088803) internal successors, (974), 519 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 974 transitions. [2022-12-14 11:24:10,317 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 974 transitions. Word has length 42 [2022-12-14 11:24:10,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:10,317 INFO L495 AbstractCegarLoop]: Abstraction has 520 states and 974 transitions. [2022-12-14 11:24:10,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 974 transitions. [2022-12-14 11:24:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:10,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:10,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:10,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-12-14 11:24:10,318 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:10,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:10,319 INFO L85 PathProgramCache]: Analyzing trace with hash -728037669, now seen corresponding path program 1 times [2022-12-14 11:24:10,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:10,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754524721] [2022-12-14 11:24:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:10,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:10,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:10,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754524721] [2022-12-14 11:24:10,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754524721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:10,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:10,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:24:10,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556530655] [2022-12-14 11:24:10,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:10,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:24:10,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:10,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:24:10,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:24:10,704 INFO L87 Difference]: Start difference. First operand 520 states and 974 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:11,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:11,103 INFO L93 Difference]: Finished difference Result 583 states and 1093 transitions. [2022-12-14 11:24:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:11,104 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:11,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:11,104 INFO L225 Difference]: With dead ends: 583 [2022-12-14 11:24:11,104 INFO L226 Difference]: Without dead ends: 575 [2022-12-14 11:24:11,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:24:11,105 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 225 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:11,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 89 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:24:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2022-12-14 11:24:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 540. [2022-12-14 11:24:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 538 states have (on average 1.8773234200743494) internal successors, (1010), 539 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1010 transitions. [2022-12-14 11:24:11,109 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1010 transitions. Word has length 42 [2022-12-14 11:24:11,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:11,109 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 1010 transitions. [2022-12-14 11:24:11,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:11,109 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1010 transitions. [2022-12-14 11:24:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:11,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:11,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:11,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-12-14 11:24:11,110 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:11,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash -673522577, now seen corresponding path program 2 times [2022-12-14 11:24:11,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:11,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310565218] [2022-12-14 11:24:11,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:11,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:12,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:12,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310565218] [2022-12-14 11:24:12,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310565218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:12,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:12,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:24:12,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221567980] [2022-12-14 11:24:12,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:12,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:24:12,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:12,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:24:12,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:24:12,248 INFO L87 Difference]: Start difference. First operand 540 states and 1010 transitions. Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:13,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:13,079 INFO L93 Difference]: Finished difference Result 654 states and 1221 transitions. [2022-12-14 11:24:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:13,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:13,080 INFO L225 Difference]: With dead ends: 654 [2022-12-14 11:24:13,080 INFO L226 Difference]: Without dead ends: 646 [2022-12-14 11:24:13,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:13,080 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 241 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:13,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 74 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:24:13,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2022-12-14 11:24:13,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 536. [2022-12-14 11:24:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 534 states have (on average 1.8782771535580525) internal successors, (1003), 535 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1003 transitions. [2022-12-14 11:24:13,085 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1003 transitions. Word has length 42 [2022-12-14 11:24:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:13,085 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 1003 transitions. [2022-12-14 11:24:13,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1003 transitions. [2022-12-14 11:24:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 11:24:13,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:13,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:13,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-12-14 11:24:13,086 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:13,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:13,086 INFO L85 PathProgramCache]: Analyzing trace with hash 926708467, now seen corresponding path program 3 times [2022-12-14 11:24:13,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:13,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892277624] [2022-12-14 11:24:13,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:13,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:13,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892277624] [2022-12-14 11:24:13,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892277624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:13,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:13,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:24:13,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056035157] [2022-12-14 11:24:13,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:13,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:24:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:13,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:24:13,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:24:13,644 INFO L87 Difference]: Start difference. First operand 536 states and 1003 transitions. Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:14,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:14,189 INFO L93 Difference]: Finished difference Result 531 states and 994 transitions. [2022-12-14 11:24:14,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:14,189 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-12-14 11:24:14,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:14,190 INFO L225 Difference]: With dead ends: 531 [2022-12-14 11:24:14,190 INFO L226 Difference]: Without dead ends: 525 [2022-12-14 11:24:14,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:14,190 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 202 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:14,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 78 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:24:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-12-14 11:24:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 495. [2022-12-14 11:24:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 494 states have (on average 1.8765182186234817) internal successors, (927), 494 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 927 transitions. [2022-12-14 11:24:14,194 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 927 transitions. Word has length 42 [2022-12-14 11:24:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:14,195 INFO L495 AbstractCegarLoop]: Abstraction has 495 states and 927 transitions. [2022-12-14 11:24:14,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 927 transitions. [2022-12-14 11:24:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 11:24:14,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:14,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:14,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-12-14 11:24:14,195 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:14,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:14,196 INFO L85 PathProgramCache]: Analyzing trace with hash -847623017, now seen corresponding path program 1 times [2022-12-14 11:24:14,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:14,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144693028] [2022-12-14 11:24:14,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:14,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:14,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:14,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144693028] [2022-12-14 11:24:14,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144693028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:14,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:14,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:24:14,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556345750] [2022-12-14 11:24:14,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:14,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:24:14,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:14,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:24:14,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:24:14,637 INFO L87 Difference]: Start difference. First operand 495 states and 927 transitions. Second operand has 11 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:15,014 INFO L93 Difference]: Finished difference Result 547 states and 1014 transitions. [2022-12-14 11:24:15,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:15,015 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-12-14 11:24:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:15,015 INFO L225 Difference]: With dead ends: 547 [2022-12-14 11:24:15,015 INFO L226 Difference]: Without dead ends: 335 [2022-12-14 11:24:15,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:24:15,016 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 193 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:15,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 91 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:24:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-12-14 11:24:15,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 323. [2022-12-14 11:24:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.8198757763975155) internal successors, (586), 322 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 586 transitions. [2022-12-14 11:24:15,019 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 586 transitions. Word has length 54 [2022-12-14 11:24:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:15,019 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 586 transitions. [2022-12-14 11:24:15,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 586 transitions. [2022-12-14 11:24:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 11:24:15,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:15,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-12-14 11:24:15,020 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:15,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:15,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1251797555, now seen corresponding path program 2 times [2022-12-14 11:24:15,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:15,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887864073] [2022-12-14 11:24:15,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:15,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:16,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:16,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887864073] [2022-12-14 11:24:16,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887864073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:16,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:16,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:24:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161377743] [2022-12-14 11:24:16,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:16,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:24:16,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:16,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:24:16,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:24:16,302 INFO L87 Difference]: Start difference. First operand 323 states and 586 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:16,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:16,986 INFO L93 Difference]: Finished difference Result 407 states and 710 transitions. [2022-12-14 11:24:16,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:16,986 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-12-14 11:24:16,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:16,987 INFO L225 Difference]: With dead ends: 407 [2022-12-14 11:24:16,987 INFO L226 Difference]: Without dead ends: 328 [2022-12-14 11:24:16,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:16,987 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 162 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:16,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 86 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:24:16,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-12-14 11:24:16,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 280. [2022-12-14 11:24:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 279 states have (on average 1.7849462365591398) internal successors, (498), 279 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 498 transitions. [2022-12-14 11:24:16,990 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 498 transitions. Word has length 54 [2022-12-14 11:24:16,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:16,990 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 498 transitions. [2022-12-14 11:24:16,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 498 transitions. [2022-12-14 11:24:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 11:24:16,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:16,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:16,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-12-14 11:24:16,991 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:16,991 INFO L85 PathProgramCache]: Analyzing trace with hash 294779599, now seen corresponding path program 3 times [2022-12-14 11:24:16,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:16,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613923668] [2022-12-14 11:24:16,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:18,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:18,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613923668] [2022-12-14 11:24:18,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613923668] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:18,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:18,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:24:18,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356902900] [2022-12-14 11:24:18,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:18,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:24:18,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:18,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:24:18,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:24:18,626 INFO L87 Difference]: Start difference. First operand 280 states and 498 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:19,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:19,207 INFO L93 Difference]: Finished difference Result 323 states and 555 transitions. [2022-12-14 11:24:19,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:19,208 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-12-14 11:24:19,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:19,208 INFO L225 Difference]: With dead ends: 323 [2022-12-14 11:24:19,208 INFO L226 Difference]: Without dead ends: 249 [2022-12-14 11:24:19,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:19,209 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 136 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:19,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 88 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:24:19,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-12-14 11:24:19,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2022-12-14 11:24:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.74235807860262) internal successors, (399), 229 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 399 transitions. [2022-12-14 11:24:19,212 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 399 transitions. Word has length 54 [2022-12-14 11:24:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:19,212 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 399 transitions. [2022-12-14 11:24:19,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 399 transitions. [2022-12-14 11:24:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 11:24:19,213 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:19,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:19,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-12-14 11:24:19,213 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:19,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:19,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2086363727, now seen corresponding path program 4 times [2022-12-14 11:24:19,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:19,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389045374] [2022-12-14 11:24:19,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:19,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:21,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:21,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389045374] [2022-12-14 11:24:21,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389045374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:21,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:21,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:24:21,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121985891] [2022-12-14 11:24:21,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:21,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:24:21,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:21,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:24:21,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:24:21,423 INFO L87 Difference]: Start difference. First operand 230 states and 399 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:22,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:22,258 INFO L93 Difference]: Finished difference Result 243 states and 411 transitions. [2022-12-14 11:24:22,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:22,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-12-14 11:24:22,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:22,259 INFO L225 Difference]: With dead ends: 243 [2022-12-14 11:24:22,259 INFO L226 Difference]: Without dead ends: 179 [2022-12-14 11:24:22,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:22,260 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 176 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:22,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 74 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:24:22,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-12-14 11:24:22,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-12-14 11:24:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.6741573033707866) internal successors, (298), 178 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 298 transitions. [2022-12-14 11:24:22,261 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 298 transitions. Word has length 54 [2022-12-14 11:24:22,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:22,262 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 298 transitions. [2022-12-14 11:24:22,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 298 transitions. [2022-12-14 11:24:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 11:24:22,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:22,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:22,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-12-14 11:24:22,262 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-14 11:24:22,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:22,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1242213915, now seen corresponding path program 5 times [2022-12-14 11:24:22,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:22,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435827878] [2022-12-14 11:24:22,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:22,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:24:24,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:24,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435827878] [2022-12-14 11:24:24,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435827878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:24,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:24,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:24:24,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197014469] [2022-12-14 11:24:24,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:24,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:24:24,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:24,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:24:24,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:24:24,343 INFO L87 Difference]: Start difference. First operand 179 states and 298 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:24,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:24,748 INFO L93 Difference]: Finished difference Result 174 states and 289 transitions. [2022-12-14 11:24:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:24:24,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-12-14 11:24:24,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:24,748 INFO L225 Difference]: With dead ends: 174 [2022-12-14 11:24:24,748 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 11:24:24,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:24:24,749 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 165 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:24,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 72 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:24:24,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 11:24:24,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 11:24:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 11:24:24,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-12-14 11:24:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:24,749 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 11:24:24,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:24:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 11:24:24,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 11:24:24,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2022-12-14 11:24:24,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2022-12-14 11:24:24,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2022-12-14 11:24:24,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2022-12-14 11:24:24,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2022-12-14 11:24:24,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2022-12-14 11:24:24,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2022-12-14 11:24:24,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-12-14 11:24:24,754 INFO L445 BasicCegarLoop]: Path program histogram: [12, 8, 6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:24,757 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 11:24:24,757 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:24:24,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:24:24 BasicIcfg [2022-12-14 11:24:24,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:24:24,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:24:24,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:24:24,759 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:24:24,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:19:47" (3/4) ... [2022-12-14 11:24:24,761 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 11:24:24,765 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-12-14 11:24:24,769 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 11:24:24,769 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 11:24:24,769 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 11:24:24,769 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 11:24:24,794 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 11:24:24,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:24:24,795 INFO L158 Benchmark]: Toolchain (without parser) took 278425.03ms. Allocated memory was 125.8MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 86.7MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2022-12-14 11:24:24,795 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:24:24,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.49ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 86.7MB in the beginning and 92.8MB in the end (delta: -6.1MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2022-12-14 11:24:24,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.45ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 88.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:24:24,795 INFO L158 Benchmark]: Boogie Preprocessor took 34.10ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:24:24,795 INFO L158 Benchmark]: RCFGBuilder took 598.39ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 96.6MB in the end (delta: -12.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-12-14 11:24:24,795 INFO L158 Benchmark]: TraceAbstraction took 277040.67ms. Allocated memory was 151.0MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 96.6MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2022-12-14 11:24:24,795 INFO L158 Benchmark]: Witness Printer took 35.80ms. Allocated memory is still 4.5GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:24:24,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.49ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 86.7MB in the beginning and 92.8MB in the end (delta: -6.1MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.45ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 88.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.10ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 598.39ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 96.6MB in the end (delta: -12.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * TraceAbstraction took 277040.67ms. Allocated memory was 151.0MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 96.6MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 35.80ms. Allocated memory is still 4.5GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 152.9s, 311 PlacesBefore, 111 PlacesAfterwards, 313 TransitionsBefore, 109 TransitionsAfterwards, 15624 CoEnabledTransitionPairs, 18 FixpointIterations, 166 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 23 ConcurrentYvCompositions, 4 ChoiceCompositions, 294 TotalNumberOfCompositions, 194612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21785, independent: 18598, independent conditional: 0, independent unconditional: 18598, dependent: 2933, dependent conditional: 0, dependent unconditional: 2933, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8561, independent: 8311, independent conditional: 0, independent unconditional: 8311, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8561, independent: 7751, independent conditional: 0, independent unconditional: 7751, dependent: 810, dependent conditional: 0, dependent unconditional: 810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 810, independent: 560, independent conditional: 0, independent unconditional: 560, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47901, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 950, dependent conditional: 0, dependent unconditional: 950, unknown: 46781, unknown conditional: 0, unknown unconditional: 46781] ], Cache Queries: [ total: 21785, independent: 10287, independent conditional: 0, independent unconditional: 10287, dependent: 2705, dependent conditional: 0, dependent unconditional: 2705, unknown: 8793, unknown conditional: 0, unknown unconditional: 8793] , Statistics on independence cache: Total cache size (in pairs): 870, Positive cache size: 677, Positive conditional cache size: 0, Positive unconditional cache size: 677, Negative cache size: 193, Negative conditional cache size: 0, Negative unconditional cache size: 193, Unknown cache size: 12, Unknown conditional cache size: 0, Unknown unconditional cache size: 12 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 344 locations, 23 error locations. Started 1 CEGAR loops. OverallTime: 276.9s, OverallIterations: 65, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.1s, AutomataDifference: 77.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 153.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16094 SdHoareTripleChecker+Valid, 61.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16094 mSDsluCounter, 6819 SdHoareTripleChecker+Invalid, 54.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3158 mSDsCounter, 4715 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62628 IncrementalHoareTripleChecker+Invalid, 67343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4715 mSolverCounterUnsat, 3661 mSDtfsCounter, 62628 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1090 GetRequests, 149 SyntacticMatches, 6 SemanticMatches, 935 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2015 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35371occurred in iteration=7, InterpolantAutomatonStates: 665, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.5s AutomataMinimizationTime, 65 MinimizatonAttempts, 75729 StatesRemovedByMinimization, 55 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 36.9s InterpolantComputationTime, 1781 NumberOfCodeBlocks, 1781 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1716 ConstructedInterpolants, 0 QuantifiedInterpolants, 36624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 65 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 11:24:24,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8219227e-95e7-4d8b-ab32-cb777a28f7cf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE