./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/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_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/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_81a4fc65-57de-44cf-9b8f-b061f7189483/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 da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- 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 06:05:08,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:05:08,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:05:08,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:05:08,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:05:08,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:05:08,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:05:08,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:05:08,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:05:08,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:05:08,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:05:08,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:05:08,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:05:08,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:05:08,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:05:08,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:05:08,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:05:08,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:05:08,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:05:08,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:05:08,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:05:08,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:05:08,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:05:08,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:05:08,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:05:08,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:05:08,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:05:08,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:05:08,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:05:08,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:05:08,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:05:08,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:05:08,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:05:08,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:05:08,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:05:08,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:05:08,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:05:08,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:05:08,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:05:08,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:05:08,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:05:08,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:05:08,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:05:08,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:05:08,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:05:08,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:05:08,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:05:08,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:05:08,263 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:05:08,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:05:08,263 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:05:08,263 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:05:08,264 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:05:08,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:05:08,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:05:08,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:05:08,264 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:05:08,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:05:08,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:05:08,265 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:05:08,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:05:08,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:05:08,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:05:08,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:05:08,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:05:08,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:05:08,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:05:08,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:05:08,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:05:08,267 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:05:08,267 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:05:08,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:05:08,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:05:08,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:05:08,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:05:08,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:05:08,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:05:08,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:05:08,268 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:05:08,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:05:08,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:05:08,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:05:08,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:05:08,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:05:08,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:05:08,269 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_81a4fc65-57de-44cf-9b8f-b061f7189483/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2022-12-14 06:05:08,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:05:08,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:05:08,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:05:08,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:05:08,471 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:05:08,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2022-12-14 06:05:11,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:05:11,405 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:05:11,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2022-12-14 06:05:11,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/data/49c7b0714/e7fd9e84df064cc4869c4f87645d9863/FLAG11201be2f [2022-12-14 06:05:11,428 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/data/49c7b0714/e7fd9e84df064cc4869c4f87645d9863 [2022-12-14 06:05:11,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:05:11,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:05:11,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:05:11,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:05:11,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:05:11,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:11,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8494b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11, skipping insertion in model container [2022-12-14 06:05:11,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:11" (1/1) ... [2022-12-14 06:05:11,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:05:11,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:05:11,572 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:05:11,917 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_81a4fc65-57de-44cf-9b8f-b061f7189483/sv-benchmarks/c/ldv-races/race-2_4-container_of.i[75002,75015] [2022-12-14 06:05:11,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:11,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:11,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:05:11,979 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:05:11,990 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:05:12,021 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_81a4fc65-57de-44cf-9b8f-b061f7189483/sv-benchmarks/c/ldv-races/race-2_4-container_of.i[75002,75015] [2022-12-14 06:05:12,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:12,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:12,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:12,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:12,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:12,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:12,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:12,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:12,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:12,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:12,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:12,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:12,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:05:12,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:05:12,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:05:12,138 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:05:12,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12 WrapperNode [2022-12-14 06:05:12,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:05:12,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:05:12,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:05:12,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:05:12,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,198 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 225 [2022-12-14 06:05:12,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:05:12,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:05:12,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:05:12,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:05:12,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,240 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:05:12,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:05:12,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:05:12,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:05:12,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (1/1) ... [2022-12-14 06:05:12,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:05:12,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:05:12,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:05:12,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:05:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 06:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:05:12,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-14 06:05:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-14 06:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:05:12,314 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 06:05:12,557 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:05:12,559 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:05:12,907 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:05:12,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:05:12,990 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:05:12,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:05:12 BoogieIcfgContainer [2022-12-14 06:05:12,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:05:12,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:05:12,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:05:12,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:05:12,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:05:11" (1/3) ... [2022-12-14 06:05:12,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a504ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:05:12, skipping insertion in model container [2022-12-14 06:05:12,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:12" (2/3) ... [2022-12-14 06:05:12,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a504ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:05:12, skipping insertion in model container [2022-12-14 06:05:12,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:05:12" (3/3) ... [2022-12-14 06:05:12,998 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2022-12-14 06:05:13,005 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:05:13,012 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:05:13,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-12-14 06:05:13,012 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:05:13,065 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 06:05:13,094 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:05:13,107 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 247 transitions, 510 flow [2022-12-14 06:05:13,110 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 247 transitions, 510 flow [2022-12-14 06:05:13,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 247 transitions, 510 flow [2022-12-14 06:05:13,221 INFO L130 PetriNetUnfolder]: 8/332 cut-off events. [2022-12-14 06:05:13,221 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 06:05:13,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 332 events. 8/332 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 680 event pairs, 0 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 175. Up to 4 conditions per place. [2022-12-14 06:05:13,229 INFO L119 LiptonReduction]: Number of co-enabled transitions 6816 [2022-12-14 06:07:10,154 WARN L233 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:08:06,296 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:08:12,552 WARN L233 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:08:12,635 INFO L134 LiptonReduction]: Checked pairs total: 61430 [2022-12-14 06:08:12,635 INFO L136 LiptonReduction]: Total number of compositions: 245 [2022-12-14 06:08:12,641 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 85 transitions, 186 flow [2022-12-14 06:08:12,740 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3794 states, 3601 states have (on average 2.900583171341294) internal successors, (10445), 3793 states have internal predecessors, (10445), 0 states have call successors, (0), 0 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 06:08:12,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:08:12,762 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;@74951d04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:08:12,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-12-14 06:08:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 3794 states, 3601 states have (on average 2.900583171341294) internal successors, (10445), 3793 states have internal predecessors, (10445), 0 states have call successors, (0), 0 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 06:08:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 06:08:12,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:12,780 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 06:08:12,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:12,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:12,785 INFO L85 PathProgramCache]: Analyzing trace with hash 949, now seen corresponding path program 1 times [2022-12-14 06:08:12,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:12,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014404714] [2022-12-14 06:08:12,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:12,962 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 06:08:12,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:12,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014404714] [2022-12-14 06:08:12,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014404714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:12,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:12,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 06:08:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783968412] [2022-12-14 06:08:12,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:12,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:08:12,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:12,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:08:12,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:08:12,994 INFO L87 Difference]: Start difference. First operand has 3794 states, 3601 states have (on average 2.900583171341294) internal successors, (10445), 3793 states have internal predecessors, (10445), 0 states have call successors, (0), 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 06:08:13,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:13,204 INFO L93 Difference]: Finished difference Result 1584 states and 4064 transitions. [2022-12-14 06:08:13,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:08:13,208 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 06:08:13,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:13,226 INFO L225 Difference]: With dead ends: 1584 [2022-12-14 06:08:13,226 INFO L226 Difference]: Without dead ends: 1547 [2022-12-14 06:08:13,227 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 06:08:13,230 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:13,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:08:13,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2022-12-14 06:08:13,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1547. [2022-12-14 06:08:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1536 states have (on average 2.5826822916666665) internal successors, (3967), 1546 states have internal predecessors, (3967), 0 states have call successors, (0), 0 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 06:08:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 3967 transitions. [2022-12-14 06:08:13,313 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 3967 transitions. Word has length 1 [2022-12-14 06:08:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:13,313 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 3967 transitions. [2022-12-14 06:08:13,313 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 06:08:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 3967 transitions. [2022-12-14 06:08:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 06:08:13,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:13,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:08:13,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:08:13,314 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:13,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:13,314 INFO L85 PathProgramCache]: Analyzing trace with hash -192846602, now seen corresponding path program 1 times [2022-12-14 06:08:13,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:13,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233044794] [2022-12-14 06:08:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:13,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:08:13,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:13,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233044794] [2022-12-14 06:08:13,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233044794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:13,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:13,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:08:13,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931856538] [2022-12-14 06:08:13,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:13,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:08:13,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:13,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:08:13,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:08:13,799 INFO L87 Difference]: Start difference. First operand 1547 states and 3967 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 06:08:14,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:14,505 INFO L93 Difference]: Finished difference Result 1702 states and 4374 transitions. [2022-12-14 06:08:14,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:08:14,505 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 06:08:14,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:14,514 INFO L225 Difference]: With dead ends: 1702 [2022-12-14 06:08:14,514 INFO L226 Difference]: Without dead ends: 1702 [2022-12-14 06:08:14,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:08:14,516 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:14,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 32 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 06:08:14,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-12-14 06:08:14,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1670. [2022-12-14 06:08:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1660 states have (on average 2.5843373493975905) internal successors, (4290), 1669 states have internal predecessors, (4290), 0 states have call successors, (0), 0 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 06:08:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 4290 transitions. [2022-12-14 06:08:14,566 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 4290 transitions. Word has length 7 [2022-12-14 06:08:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:14,566 INFO L495 AbstractCegarLoop]: Abstraction has 1670 states and 4290 transitions. [2022-12-14 06:08:14,566 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 06:08:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 4290 transitions. [2022-12-14 06:08:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 06:08:14,567 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:14,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:08:14,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:08:14,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:14,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:14,568 INFO L85 PathProgramCache]: Analyzing trace with hash -16922082, now seen corresponding path program 1 times [2022-12-14 06:08:14,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:14,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032742751] [2022-12-14 06:08:14,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:14,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:14,638 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 06:08:14,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:14,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032742751] [2022-12-14 06:08:14,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032742751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:14,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:14,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:08:14,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098426423] [2022-12-14 06:08:14,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:14,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:08:14,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:14,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:08:14,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:08:14,640 INFO L87 Difference]: Start difference. First operand 1670 states and 4290 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 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 06:08:14,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:14,916 INFO L93 Difference]: Finished difference Result 1682 states and 4301 transitions. [2022-12-14 06:08:14,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:08:14,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 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 06:08:14,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:14,923 INFO L225 Difference]: With dead ends: 1682 [2022-12-14 06:08:14,923 INFO L226 Difference]: Without dead ends: 1682 [2022-12-14 06:08:14,924 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 06:08:14,924 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 26 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:14,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 68 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 06:08:14,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-12-14 06:08:14,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1660. [2022-12-14 06:08:14,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1651 states have (on average 2.5923682616596) internal successors, (4280), 1659 states have internal predecessors, (4280), 0 states have call successors, (0), 0 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 06:08:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 4280 transitions. [2022-12-14 06:08:14,974 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 4280 transitions. Word has length 11 [2022-12-14 06:08:14,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:14,974 INFO L495 AbstractCegarLoop]: Abstraction has 1660 states and 4280 transitions. [2022-12-14 06:08:14,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 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 06:08:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 4280 transitions. [2022-12-14 06:08:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 06:08:14,977 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:14,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:08:14,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:08:14,977 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:14,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:14,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2024153, now seen corresponding path program 1 times [2022-12-14 06:08:14,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:14,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410051451] [2022-12-14 06:08:14,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:14,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:15,263 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 06:08:15,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:15,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410051451] [2022-12-14 06:08:15,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410051451] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:15,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:15,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:08:15,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296729973] [2022-12-14 06:08:15,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:15,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:08:15,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:15,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:08:15,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:08:15,265 INFO L87 Difference]: Start difference. First operand 1660 states and 4280 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 06:08:15,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:15,784 INFO L93 Difference]: Finished difference Result 1815 states and 4687 transitions. [2022-12-14 06:08:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:08:15,785 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 06:08:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:15,790 INFO L225 Difference]: With dead ends: 1815 [2022-12-14 06:08:15,790 INFO L226 Difference]: Without dead ends: 1815 [2022-12-14 06:08:15,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:08:15,790 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:15,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 31 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 06:08:15,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-12-14 06:08:15,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1783. [2022-12-14 06:08:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1775 states have (on average 2.5932394366197182) internal successors, (4603), 1782 states have internal predecessors, (4603), 0 states have call successors, (0), 0 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 06:08:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 4603 transitions. [2022-12-14 06:08:15,818 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 4603 transitions. Word has length 13 [2022-12-14 06:08:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:15,818 INFO L495 AbstractCegarLoop]: Abstraction has 1783 states and 4603 transitions. [2022-12-14 06:08:15,818 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 06:08:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 4603 transitions. [2022-12-14 06:08:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 06:08:15,820 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:15,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:08:15,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:08:15,820 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:15,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:15,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1122864486, now seen corresponding path program 1 times [2022-12-14 06:08:15,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:15,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747270914] [2022-12-14 06:08:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:15,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:15,883 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 06:08:15,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:15,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747270914] [2022-12-14 06:08:15,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747270914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:15,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:15,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:08:15,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150958188] [2022-12-14 06:08:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:15,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:08:15,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:15,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:08:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:08:15,885 INFO L87 Difference]: Start difference. First operand 1783 states and 4603 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 06:08:16,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:16,110 INFO L93 Difference]: Finished difference Result 584 states and 1383 transitions. [2022-12-14 06:08:16,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:08:16,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 06:08:16,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:16,112 INFO L225 Difference]: With dead ends: 584 [2022-12-14 06:08:16,112 INFO L226 Difference]: Without dead ends: 584 [2022-12-14 06:08:16,112 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 06:08:16,113 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 52 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:16,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 66 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:08:16,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-12-14 06:08:16,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 563. [2022-12-14 06:08:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 559 states have (on average 2.4382826475849733) internal successors, (1363), 562 states have internal predecessors, (1363), 0 states have call successors, (0), 0 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 06:08:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1363 transitions. [2022-12-14 06:08:16,121 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1363 transitions. Word has length 13 [2022-12-14 06:08:16,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:16,121 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 1363 transitions. [2022-12-14 06:08:16,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 06:08:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1363 transitions. [2022-12-14 06:08:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 06:08:16,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:16,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:08:16,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:08:16,122 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:16,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:16,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1363041975, now seen corresponding path program 1 times [2022-12-14 06:08:16,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:16,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842272233] [2022-12-14 06:08:16,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:16,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:16,434 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 06:08:16,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:16,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842272233] [2022-12-14 06:08:16,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842272233] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:16,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:16,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:08:16,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252777048] [2022-12-14 06:08:16,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:16,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:08:16,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:16,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:08:16,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:08:16,437 INFO L87 Difference]: Start difference. First operand 563 states and 1363 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 06:08:17,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:17,457 INFO L93 Difference]: Finished difference Result 774 states and 1840 transitions. [2022-12-14 06:08:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:08:17,458 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 06:08:17,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:17,460 INFO L225 Difference]: With dead ends: 774 [2022-12-14 06:08:17,460 INFO L226 Difference]: Without dead ends: 774 [2022-12-14 06:08:17,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:08:17,461 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:17,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 22 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 06:08:17,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-12-14 06:08:17,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 687. [2022-12-14 06:08:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 683 states have (on average 2.4699853587115665) internal successors, (1687), 686 states have internal predecessors, (1687), 0 states have call successors, (0), 0 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 06:08:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1687 transitions. [2022-12-14 06:08:17,470 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1687 transitions. Word has length 15 [2022-12-14 06:08:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:17,470 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 1687 transitions. [2022-12-14 06:08:17,471 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 06:08:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1687 transitions. [2022-12-14 06:08:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:17,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:17,472 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 06:08:17,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:08:17,472 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:17,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:17,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2012776094, now seen corresponding path program 1 times [2022-12-14 06:08:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:17,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226231221] [2022-12-14 06:08:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:18,286 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 06:08:18,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:18,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226231221] [2022-12-14 06:08:18,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226231221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:18,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:18,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:18,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109004691] [2022-12-14 06:08:18,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:18,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:18,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:18,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:18,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:18,288 INFO L87 Difference]: Start difference. First operand 687 states and 1687 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:20,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:20,124 INFO L93 Difference]: Finished difference Result 879 states and 2086 transitions. [2022-12-14 06:08:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 06:08:20,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:20,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:20,127 INFO L225 Difference]: With dead ends: 879 [2022-12-14 06:08:20,127 INFO L226 Difference]: Without dead ends: 879 [2022-12-14 06:08:20,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2022-12-14 06:08:20,128 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 234 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:20,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 72 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 06:08:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-12-14 06:08:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 683. [2022-12-14 06:08:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 679 states have (on average 2.4668630338733433) internal successors, (1675), 682 states have internal predecessors, (1675), 0 states have call successors, (0), 0 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 06:08:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1675 transitions. [2022-12-14 06:08:20,145 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1675 transitions. Word has length 17 [2022-12-14 06:08:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:20,145 INFO L495 AbstractCegarLoop]: Abstraction has 683 states and 1675 transitions. [2022-12-14 06:08:20,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1675 transitions. [2022-12-14 06:08:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:20,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:20,146 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 06:08:20,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:08:20,147 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:20,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:20,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1870673024, now seen corresponding path program 2 times [2022-12-14 06:08:20,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:20,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168473106] [2022-12-14 06:08:20,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:20,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:21,300 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 06:08:21,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:21,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168473106] [2022-12-14 06:08:21,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168473106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:21,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:21,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:21,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26478476] [2022-12-14 06:08:21,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:21,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:21,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:21,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:21,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:21,302 INFO L87 Difference]: Start difference. First operand 683 states and 1675 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:22,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:22,714 INFO L93 Difference]: Finished difference Result 943 states and 2270 transitions. [2022-12-14 06:08:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:22,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:22,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:22,717 INFO L225 Difference]: With dead ends: 943 [2022-12-14 06:08:22,717 INFO L226 Difference]: Without dead ends: 943 [2022-12-14 06:08:22,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:08:22,718 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 230 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:22,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 72 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 06:08:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2022-12-14 06:08:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 695. [2022-12-14 06:08:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 691 states have (on average 2.4732272069464543) internal successors, (1709), 694 states have internal predecessors, (1709), 0 states have call successors, (0), 0 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 06:08:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 1709 transitions. [2022-12-14 06:08:22,731 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 1709 transitions. Word has length 17 [2022-12-14 06:08:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:22,731 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 1709 transitions. [2022-12-14 06:08:22,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1709 transitions. [2022-12-14 06:08:22,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:22,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:22,732 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 06:08:22,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:08:22,732 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:22,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:22,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1867328744, now seen corresponding path program 3 times [2022-12-14 06:08:22,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:22,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793147205] [2022-12-14 06:08:22,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:22,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:08:23,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:23,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793147205] [2022-12-14 06:08:23,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793147205] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:23,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:23,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:23,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210439073] [2022-12-14 06:08:23,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:23,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:23,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:23,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:23,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:23,250 INFO L87 Difference]: Start difference. First operand 695 states and 1709 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:24,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:24,950 INFO L93 Difference]: Finished difference Result 909 states and 2182 transitions. [2022-12-14 06:08:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:24,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:24,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:24,952 INFO L225 Difference]: With dead ends: 909 [2022-12-14 06:08:24,952 INFO L226 Difference]: Without dead ends: 909 [2022-12-14 06:08:24,953 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 06:08:24,953 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 215 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:24,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 0 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 06:08:24,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2022-12-14 06:08:24,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 755. [2022-12-14 06:08:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 751 states have (on average 2.5019973368841546) internal successors, (1879), 754 states have internal predecessors, (1879), 0 states have call successors, (0), 0 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 06:08:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1879 transitions. [2022-12-14 06:08:24,963 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1879 transitions. Word has length 17 [2022-12-14 06:08:24,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:24,963 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 1879 transitions. [2022-12-14 06:08:24,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1879 transitions. [2022-12-14 06:08:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:24,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:24,964 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 06:08:24,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:08:24,964 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:24,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:24,965 INFO L85 PathProgramCache]: Analyzing trace with hash 204418712, now seen corresponding path program 4 times [2022-12-14 06:08:24,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:24,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366104026] [2022-12-14 06:08:24,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:25,777 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 06:08:25,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:25,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366104026] [2022-12-14 06:08:25,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366104026] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:25,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:25,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:25,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754994803] [2022-12-14 06:08:25,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:25,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:25,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:25,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:25,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:25,779 INFO L87 Difference]: Start difference. First operand 755 states and 1879 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:28,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:28,100 INFO L93 Difference]: Finished difference Result 1079 states and 2610 transitions. [2022-12-14 06:08:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 06:08:28,100 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:28,104 INFO L225 Difference]: With dead ends: 1079 [2022-12-14 06:08:28,104 INFO L226 Difference]: Without dead ends: 1079 [2022-12-14 06:08:28,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2022-12-14 06:08:28,105 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 164 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:28,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 53 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 06:08:28,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2022-12-14 06:08:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 761. [2022-12-14 06:08:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 757 states have (on average 2.5046235138705417) internal successors, (1896), 760 states have internal predecessors, (1896), 0 states have call successors, (0), 0 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 06:08:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1896 transitions. [2022-12-14 06:08:28,122 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1896 transitions. Word has length 17 [2022-12-14 06:08:28,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:28,123 INFO L495 AbstractCegarLoop]: Abstraction has 761 states and 1896 transitions. [2022-12-14 06:08:28,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1896 transitions. [2022-12-14 06:08:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:28,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:28,124 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 06:08:28,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:08:28,124 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:28,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:28,125 INFO L85 PathProgramCache]: Analyzing trace with hash 201074432, now seen corresponding path program 5 times [2022-12-14 06:08:28,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:28,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249420412] [2022-12-14 06:08:28,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:28,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:29,022 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 06:08:29,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:29,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249420412] [2022-12-14 06:08:29,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249420412] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:29,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:29,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:29,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501463988] [2022-12-14 06:08:29,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:29,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:29,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:29,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:29,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:29,024 INFO L87 Difference]: Start difference. First operand 761 states and 1896 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:31,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:31,401 INFO L93 Difference]: Finished difference Result 1091 states and 2644 transitions. [2022-12-14 06:08:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 06:08:31,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:31,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:31,405 INFO L225 Difference]: With dead ends: 1091 [2022-12-14 06:08:31,406 INFO L226 Difference]: Without dead ends: 1091 [2022-12-14 06:08:31,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-12-14 06:08:31,406 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 178 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:31,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 53 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 06:08:31,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2022-12-14 06:08:31,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 767. [2022-12-14 06:08:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 763 states have (on average 2.507208387942333) internal successors, (1913), 766 states have internal predecessors, (1913), 0 states have call successors, (0), 0 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 06:08:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1913 transitions. [2022-12-14 06:08:31,417 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1913 transitions. Word has length 17 [2022-12-14 06:08:31,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:31,417 INFO L495 AbstractCegarLoop]: Abstraction has 767 states and 1913 transitions. [2022-12-14 06:08:31,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1913 transitions. [2022-12-14 06:08:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:31,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:31,418 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 06:08:31,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:08:31,418 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:31,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:31,418 INFO L85 PathProgramCache]: Analyzing trace with hash 201050252, now seen corresponding path program 6 times [2022-12-14 06:08:31,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:31,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601389725] [2022-12-14 06:08:31,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:32,624 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 06:08:32,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:32,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601389725] [2022-12-14 06:08:32,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601389725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:32,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:32,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:32,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596061915] [2022-12-14 06:08:32,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:32,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:32,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:32,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:32,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:32,626 INFO L87 Difference]: Start difference. First operand 767 states and 1913 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:34,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:34,734 INFO L93 Difference]: Finished difference Result 1103 states and 2690 transitions. [2022-12-14 06:08:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:34,735 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:34,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:34,737 INFO L225 Difference]: With dead ends: 1103 [2022-12-14 06:08:34,737 INFO L226 Difference]: Without dead ends: 1103 [2022-12-14 06:08:34,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:08:34,738 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 153 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:34,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 53 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 06:08:34,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2022-12-14 06:08:34,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 779. [2022-12-14 06:08:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 775 states have (on average 2.512258064516129) internal successors, (1947), 778 states have internal predecessors, (1947), 0 states have call successors, (0), 0 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 06:08:34,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1947 transitions. [2022-12-14 06:08:34,748 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1947 transitions. Word has length 17 [2022-12-14 06:08:34,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:34,748 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1947 transitions. [2022-12-14 06:08:34,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1947 transitions. [2022-12-14 06:08:34,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:34,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:34,749 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 06:08:34,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:08:34,749 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:34,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:34,750 INFO L85 PathProgramCache]: Analyzing trace with hash -75112318, now seen corresponding path program 7 times [2022-12-14 06:08:34,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:34,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696772408] [2022-12-14 06:08:34,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:34,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:35,210 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 06:08:35,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:35,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696772408] [2022-12-14 06:08:35,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696772408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:35,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:35,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 06:08:35,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593503251] [2022-12-14 06:08:35,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:35,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:08:35,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:35,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:08:35,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:08:35,212 INFO L87 Difference]: Start difference. First operand 779 states and 1947 transitions. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:08:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:37,454 INFO L93 Difference]: Finished difference Result 1134 states and 2693 transitions. [2022-12-14 06:08:37,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:37,454 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 06:08:37,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:37,457 INFO L225 Difference]: With dead ends: 1134 [2022-12-14 06:08:37,457 INFO L226 Difference]: Without dead ends: 1134 [2022-12-14 06:08:37,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-12-14 06:08:37,458 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 246 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:37,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 0 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 06:08:37,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-12-14 06:08:37,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 773. [2022-12-14 06:08:37,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 769 states have (on average 2.509752925877763) internal successors, (1930), 772 states have internal predecessors, (1930), 0 states have call successors, (0), 0 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 06:08:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1930 transitions. [2022-12-14 06:08:37,468 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1930 transitions. Word has length 17 [2022-12-14 06:08:37,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:37,468 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 1930 transitions. [2022-12-14 06:08:37,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:08:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1930 transitions. [2022-12-14 06:08:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:37,468 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:37,469 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 06:08:37,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:08:37,469 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:37,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:37,469 INFO L85 PathProgramCache]: Analyzing trace with hash -81430397, now seen corresponding path program 1 times [2022-12-14 06:08:37,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:37,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368357187] [2022-12-14 06:08:37,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:37,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:38,231 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 06:08:38,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:38,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368357187] [2022-12-14 06:08:38,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368357187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:38,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:38,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:38,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925217076] [2022-12-14 06:08:38,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:38,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:38,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:38,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:38,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:38,233 INFO L87 Difference]: Start difference. First operand 773 states and 1930 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:39,720 INFO L93 Difference]: Finished difference Result 1042 states and 2495 transitions. [2022-12-14 06:08:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 06:08:39,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:39,724 INFO L225 Difference]: With dead ends: 1042 [2022-12-14 06:08:39,724 INFO L226 Difference]: Without dead ends: 1042 [2022-12-14 06:08:39,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-12-14 06:08:39,724 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 148 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:39,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 53 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 06:08:39,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2022-12-14 06:08:39,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 799. [2022-12-14 06:08:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 795 states have (on average 2.519496855345912) internal successors, (2003), 798 states have internal predecessors, (2003), 0 states have call successors, (0), 0 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 06:08:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 2003 transitions. [2022-12-14 06:08:39,735 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 2003 transitions. Word has length 17 [2022-12-14 06:08:39,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:39,735 INFO L495 AbstractCegarLoop]: Abstraction has 799 states and 2003 transitions. [2022-12-14 06:08:39,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 2003 transitions. [2022-12-14 06:08:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:39,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:39,736 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 06:08:39,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 06:08:39,737 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:39,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:39,737 INFO L85 PathProgramCache]: Analyzing trace with hash -75221717, now seen corresponding path program 2 times [2022-12-14 06:08:39,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:39,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492885316] [2022-12-14 06:08:39,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:39,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:40,441 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 06:08:40,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:40,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492885316] [2022-12-14 06:08:40,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492885316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:40,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:40,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:40,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745857776] [2022-12-14 06:08:40,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:40,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:40,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:40,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:40,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:40,443 INFO L87 Difference]: Start difference. First operand 799 states and 2003 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:41,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:41,704 INFO L93 Difference]: Finished difference Result 1136 states and 2735 transitions. [2022-12-14 06:08:41,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:41,705 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:41,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:41,707 INFO L225 Difference]: With dead ends: 1136 [2022-12-14 06:08:41,707 INFO L226 Difference]: Without dead ends: 1136 [2022-12-14 06:08:41,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:08:41,708 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 198 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:41,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 53 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 06:08:41,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-12-14 06:08:41,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 809. [2022-12-14 06:08:41,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 805 states have (on average 2.524223602484472) internal successors, (2032), 808 states have internal predecessors, (2032), 0 states have call successors, (0), 0 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 06:08:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 2032 transitions. [2022-12-14 06:08:41,722 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 2032 transitions. Word has length 17 [2022-12-14 06:08:41,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:41,722 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 2032 transitions. [2022-12-14 06:08:41,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2032 transitions. [2022-12-14 06:08:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:41,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:41,724 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 06:08:41,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 06:08:41,724 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:41,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:41,724 INFO L85 PathProgramCache]: Analyzing trace with hash -75260777, now seen corresponding path program 3 times [2022-12-14 06:08:41,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:41,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921292123] [2022-12-14 06:08:41,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:41,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:42,667 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 06:08:42,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:42,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921292123] [2022-12-14 06:08:42,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921292123] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:42,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:42,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:42,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720753387] [2022-12-14 06:08:42,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:42,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:42,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:42,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:42,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:42,669 INFO L87 Difference]: Start difference. First operand 809 states and 2032 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:45,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:45,259 INFO L93 Difference]: Finished difference Result 1082 states and 2609 transitions. [2022-12-14 06:08:45,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:45,260 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:45,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:45,264 INFO L225 Difference]: With dead ends: 1082 [2022-12-14 06:08:45,264 INFO L226 Difference]: Without dead ends: 1082 [2022-12-14 06:08:45,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:08:45,265 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 156 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:45,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 53 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 06:08:45,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2022-12-14 06:08:45,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 809. [2022-12-14 06:08:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 805 states have (on average 2.524223602484472) internal successors, (2032), 808 states have internal predecessors, (2032), 0 states have call successors, (0), 0 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 06:08:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 2032 transitions. [2022-12-14 06:08:45,275 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 2032 transitions. Word has length 17 [2022-12-14 06:08:45,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:45,276 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 2032 transitions. [2022-12-14 06:08:45,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2032 transitions. [2022-12-14 06:08:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:45,276 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:45,276 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 06:08:45,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 06:08:45,277 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:45,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash 200277763, now seen corresponding path program 4 times [2022-12-14 06:08:45,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:45,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449610912] [2022-12-14 06:08:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:45,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:08:45,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:45,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449610912] [2022-12-14 06:08:45,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449610912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:45,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:45,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:45,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847011279] [2022-12-14 06:08:45,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:45,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:45,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:45,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:45,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:45,867 INFO L87 Difference]: Start difference. First operand 809 states and 2032 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:48,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:48,550 INFO L93 Difference]: Finished difference Result 1188 states and 2883 transitions. [2022-12-14 06:08:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 06:08:48,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:48,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:48,553 INFO L225 Difference]: With dead ends: 1188 [2022-12-14 06:08:48,553 INFO L226 Difference]: Without dead ends: 1188 [2022-12-14 06:08:48,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2022-12-14 06:08:48,554 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 169 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:48,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 53 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 06:08:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-12-14 06:08:48,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 819. [2022-12-14 06:08:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 815 states have (on average 2.528834355828221) internal successors, (2061), 818 states have internal predecessors, (2061), 0 states have call successors, (0), 0 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 06:08:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 2061 transitions. [2022-12-14 06:08:48,565 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 2061 transitions. Word has length 17 [2022-12-14 06:08:48,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:48,565 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 2061 transitions. [2022-12-14 06:08:48,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 2061 transitions. [2022-12-14 06:08:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:48,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:48,566 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 06:08:48,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 06:08:48,566 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash 196472203, now seen corresponding path program 5 times [2022-12-14 06:08:48,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:48,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336580208] [2022-12-14 06:08:48,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:48,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:48,957 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 06:08:48,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:48,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336580208] [2022-12-14 06:08:48,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336580208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:48,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:48,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 06:08:48,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589077238] [2022-12-14 06:08:48,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:48,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:08:48,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:48,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:08:48,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:08:48,959 INFO L87 Difference]: Start difference. First operand 819 states and 2061 transitions. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:08:50,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:50,466 INFO L93 Difference]: Finished difference Result 1189 states and 2852 transitions. [2022-12-14 06:08:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 06:08:50,467 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 06:08:50,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:50,469 INFO L225 Difference]: With dead ends: 1189 [2022-12-14 06:08:50,469 INFO L226 Difference]: Without dead ends: 1189 [2022-12-14 06:08:50,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-12-14 06:08:50,469 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 260 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:50,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 0 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 06:08:50,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-12-14 06:08:50,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 855. [2022-12-14 06:08:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 851 states have (on average 2.538190364277321) internal successors, (2160), 854 states have internal predecessors, (2160), 0 states have call successors, (0), 0 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 06:08:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 2160 transitions. [2022-12-14 06:08:50,481 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 2160 transitions. Word has length 17 [2022-12-14 06:08:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:50,481 INFO L495 AbstractCegarLoop]: Abstraction has 855 states and 2160 transitions. [2022-12-14 06:08:50,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:08:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 2160 transitions. [2022-12-14 06:08:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:50,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:50,482 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 06:08:50,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 06:08:50,482 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:50,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1366865880, now seen corresponding path program 8 times [2022-12-14 06:08:50,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:50,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380459513] [2022-12-14 06:08:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:51,176 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 06:08:51,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:51,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380459513] [2022-12-14 06:08:51,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380459513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:51,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:51,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:51,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772461911] [2022-12-14 06:08:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:51,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:51,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:51,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:51,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:51,178 INFO L87 Difference]: Start difference. First operand 855 states and 2160 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:52,795 INFO L93 Difference]: Finished difference Result 1209 states and 2969 transitions. [2022-12-14 06:08:52,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:08:52,796 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:52,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:52,798 INFO L225 Difference]: With dead ends: 1209 [2022-12-14 06:08:52,798 INFO L226 Difference]: Without dead ends: 1209 [2022-12-14 06:08:52,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-12-14 06:08:52,798 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 191 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:52,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 53 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 06:08:52,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-12-14 06:08:52,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 853. [2022-12-14 06:08:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 849 states have (on average 2.535924617196702) internal successors, (2153), 852 states have internal predecessors, (2153), 0 states have call successors, (0), 0 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 06:08:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 2153 transitions. [2022-12-14 06:08:52,809 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 2153 transitions. Word has length 17 [2022-12-14 06:08:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:52,809 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 2153 transitions. [2022-12-14 06:08:52,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2153 transitions. [2022-12-14 06:08:52,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:52,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:52,810 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 06:08:52,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 06:08:52,810 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:52,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:52,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1363521600, now seen corresponding path program 9 times [2022-12-14 06:08:52,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:52,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442861527] [2022-12-14 06:08:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:52,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:53,723 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 06:08:53,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:53,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442861527] [2022-12-14 06:08:53,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442861527] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:53,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:53,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:53,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673148225] [2022-12-14 06:08:53,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:53,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:53,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:53,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:53,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:53,725 INFO L87 Difference]: Start difference. First operand 853 states and 2153 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:55,867 INFO L93 Difference]: Finished difference Result 1197 states and 2935 transitions. [2022-12-14 06:08:55,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:55,867 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:55,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:55,869 INFO L225 Difference]: With dead ends: 1197 [2022-12-14 06:08:55,869 INFO L226 Difference]: Without dead ends: 1197 [2022-12-14 06:08:55,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:08:55,870 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 153 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:55,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 53 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 06:08:55,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-12-14 06:08:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 851. [2022-12-14 06:08:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 847 states have (on average 2.5336481700118063) internal successors, (2146), 850 states have internal predecessors, (2146), 0 states have call successors, (0), 0 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 06:08:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 2146 transitions. [2022-12-14 06:08:55,881 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 2146 transitions. Word has length 17 [2022-12-14 06:08:55,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:55,881 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 2146 transitions. [2022-12-14 06:08:55,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:55,881 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2146 transitions. [2022-12-14 06:08:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:55,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:55,881 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 06:08:55,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 06:08:55,882 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:55,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:55,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1363497420, now seen corresponding path program 10 times [2022-12-14 06:08:55,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:55,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532666315] [2022-12-14 06:08:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:55,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:08:56,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:56,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532666315] [2022-12-14 06:08:56,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532666315] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:56,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:56,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:08:56,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681045417] [2022-12-14 06:08:56,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:56,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:08:56,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:56,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:08:56,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:08:56,892 INFO L87 Difference]: Start difference. First operand 851 states and 2146 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:58,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:08:58,781 INFO L93 Difference]: Finished difference Result 1149 states and 2811 transitions. [2022-12-14 06:08:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:08:58,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:08:58,783 INFO L225 Difference]: With dead ends: 1149 [2022-12-14 06:08:58,783 INFO L226 Difference]: Without dead ends: 1149 [2022-12-14 06:08:58,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:08:58,784 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 147 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:08:58,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 53 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 06:08:58,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2022-12-14 06:08:58,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 824. [2022-12-14 06:08:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 820 states have (on average 2.520731707317073) internal successors, (2067), 823 states have internal predecessors, (2067), 0 states have call successors, (0), 0 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 06:08:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 2067 transitions. [2022-12-14 06:08:58,795 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 2067 transitions. Word has length 17 [2022-12-14 06:08:58,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:08:58,795 INFO L495 AbstractCegarLoop]: Abstraction has 824 states and 2067 transitions. [2022-12-14 06:08:58,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:08:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 2067 transitions. [2022-12-14 06:08:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:08:58,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:58,796 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 06:08:58,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 06:08:58,796 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:08:58,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:58,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1380599531, now seen corresponding path program 6 times [2022-12-14 06:08:58,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:58,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067930062] [2022-12-14 06:08:58,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:58,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:08:59,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:59,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067930062] [2022-12-14 06:08:59,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067930062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:59,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:59,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 06:08:59,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304216944] [2022-12-14 06:08:59,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:59,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:08:59,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:59,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:08:59,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:08:59,130 INFO L87 Difference]: Start difference. First operand 824 states and 2067 transitions. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:09:00,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:00,797 INFO L93 Difference]: Finished difference Result 1236 states and 2958 transitions. [2022-12-14 06:09:00,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:09:00,798 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 06:09:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:00,800 INFO L225 Difference]: With dead ends: 1236 [2022-12-14 06:09:00,800 INFO L226 Difference]: Without dead ends: 1236 [2022-12-14 06:09:00,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2022-12-14 06:09:00,800 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 254 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:00,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 0 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 06:09:00,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-12-14 06:09:00,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 847. [2022-12-14 06:09:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 843 states have (on average 2.527876631079478) internal successors, (2131), 846 states have internal predecessors, (2131), 0 states have call successors, (0), 0 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 06:09:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 2131 transitions. [2022-12-14 06:09:00,811 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 2131 transitions. Word has length 17 [2022-12-14 06:09:00,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:00,812 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 2131 transitions. [2022-12-14 06:09:00,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:09:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 2131 transitions. [2022-12-14 06:09:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:09:00,813 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:00,813 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 06:09:00,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 06:09:00,813 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:00,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:00,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1235270695, now seen corresponding path program 7 times [2022-12-14 06:09:00,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:00,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830015997] [2022-12-14 06:09:00,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:00,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:01,434 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 06:09:01,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:01,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830015997] [2022-12-14 06:09:01,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830015997] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:01,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:01,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:09:01,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669791707] [2022-12-14 06:09:01,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:01,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:09:01,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:01,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:09:01,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:09:01,436 INFO L87 Difference]: Start difference. First operand 847 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:09:02,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:02,577 INFO L93 Difference]: Finished difference Result 1173 states and 2872 transitions. [2022-12-14 06:09:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 06:09:02,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:09:02,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:02,579 INFO L225 Difference]: With dead ends: 1173 [2022-12-14 06:09:02,579 INFO L226 Difference]: Without dead ends: 1173 [2022-12-14 06:09:02,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2022-12-14 06:09:02,579 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 271 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:02,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 72 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 06:09:02,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-12-14 06:09:02,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 863. [2022-12-14 06:09:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 859 states have (on average 2.5355064027939465) internal successors, (2178), 862 states have internal predecessors, (2178), 0 states have call successors, (0), 0 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 06:09:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 2178 transitions. [2022-12-14 06:09:02,590 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 2178 transitions. Word has length 17 [2022-12-14 06:09:02,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:02,590 INFO L495 AbstractCegarLoop]: Abstraction has 863 states and 2178 transitions. [2022-12-14 06:09:02,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:09:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 2178 transitions. [2022-12-14 06:09:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:09:02,591 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:02,591 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 06:09:02,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 06:09:02,591 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:02,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:02,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1391673445, now seen corresponding path program 8 times [2022-12-14 06:09:02,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:02,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129515220] [2022-12-14 06:09:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:02,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:03,351 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 06:09:03,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:03,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129515220] [2022-12-14 06:09:03,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129515220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:03,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:03,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:09:03,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315843479] [2022-12-14 06:09:03,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:03,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:09:03,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:03,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:09:03,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:09:03,352 INFO L87 Difference]: Start difference. First operand 863 states and 2178 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:09:04,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:04,960 INFO L93 Difference]: Finished difference Result 1145 states and 2798 transitions. [2022-12-14 06:09:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:09:04,961 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:09:04,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:04,963 INFO L225 Difference]: With dead ends: 1145 [2022-12-14 06:09:04,963 INFO L226 Difference]: Without dead ends: 1145 [2022-12-14 06:09:04,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:09:04,964 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 238 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:04,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 72 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 06:09:04,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2022-12-14 06:09:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 863. [2022-12-14 06:09:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 859 states have (on average 2.5343422584400463) internal successors, (2177), 862 states have internal predecessors, (2177), 0 states have call successors, (0), 0 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 06:09:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 2177 transitions. [2022-12-14 06:09:04,978 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 2177 transitions. Word has length 17 [2022-12-14 06:09:04,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:04,978 INFO L495 AbstractCegarLoop]: Abstraction has 863 states and 2177 transitions. [2022-12-14 06:09:04,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 06:09:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 2177 transitions. [2022-12-14 06:09:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:09:04,978 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:04,978 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 06:09:04,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 06:09:04,979 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:04,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:04,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1395479005, now seen corresponding path program 9 times [2022-12-14 06:09:04,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:04,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55051693] [2022-12-14 06:09:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:04,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:05,338 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 06:09:05,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:05,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55051693] [2022-12-14 06:09:05,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55051693] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:05,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:05,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 06:09:05,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521530221] [2022-12-14 06:09:05,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:05,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:09:05,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:05,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:09:05,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:09:05,339 INFO L87 Difference]: Start difference. First operand 863 states and 2177 transitions. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:09:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:06,663 INFO L93 Difference]: Finished difference Result 1091 states and 2660 transitions. [2022-12-14 06:09:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:09:06,663 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 06:09:06,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:06,665 INFO L225 Difference]: With dead ends: 1091 [2022-12-14 06:09:06,665 INFO L226 Difference]: Without dead ends: 1091 [2022-12-14 06:09:06,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-12-14 06:09:06,666 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 218 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:06,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 0 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 06:09:06,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2022-12-14 06:09:06,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 811. [2022-12-14 06:09:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 807 states have (on average 2.519206939281289) internal successors, (2033), 810 states have internal predecessors, (2033), 0 states have call successors, (0), 0 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 06:09:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 2033 transitions. [2022-12-14 06:09:06,675 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 2033 transitions. Word has length 17 [2022-12-14 06:09:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:06,675 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 2033 transitions. [2022-12-14 06:09:06,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:09:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 2033 transitions. [2022-12-14 06:09:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:06,676 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:06,676 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 06:09:06,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 06:09:06,676 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:06,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 613430274, now seen corresponding path program 1 times [2022-12-14 06:09:06,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:06,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064258330] [2022-12-14 06:09:06,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:06,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:09:06,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:06,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064258330] [2022-12-14 06:09:06,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064258330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:06,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:06,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:09:06,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161357454] [2022-12-14 06:09:06,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:06,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:09:06,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:06,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:09:06,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:09:06,856 INFO L87 Difference]: Start difference. First operand 811 states and 2033 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 06:09:07,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:07,270 INFO L93 Difference]: Finished difference Result 810 states and 2032 transitions. [2022-12-14 06:09:07,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:09:07,271 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 06:09:07,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:07,273 INFO L225 Difference]: With dead ends: 810 [2022-12-14 06:09:07,273 INFO L226 Difference]: Without dead ends: 810 [2022-12-14 06:09:07,273 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 06:09:07,273 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:07,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 25 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:09:07,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-12-14 06:09:07,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 810. [2022-12-14 06:09:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 807 states have (on average 2.517967781908302) internal successors, (2032), 809 states have internal predecessors, (2032), 0 states have call successors, (0), 0 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 06:09:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 2032 transitions. [2022-12-14 06:09:07,282 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 2032 transitions. Word has length 19 [2022-12-14 06:09:07,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:07,282 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 2032 transitions. [2022-12-14 06:09:07,283 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 06:09:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 2032 transitions. [2022-12-14 06:09:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:07,283 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:07,283 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 06:09:07,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 06:09:07,283 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:07,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:07,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1542800042, now seen corresponding path program 1 times [2022-12-14 06:09:07,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:07,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187000518] [2022-12-14 06:09:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:08,686 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 06:09:08,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:08,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187000518] [2022-12-14 06:09:08,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187000518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:08,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:08,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:08,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162931016] [2022-12-14 06:09:08,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:08,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:08,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:08,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:08,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:08,687 INFO L87 Difference]: Start difference. First operand 810 states and 2032 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:13,128 INFO L93 Difference]: Finished difference Result 1774 states and 4249 transitions. [2022-12-14 06:09:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 06:09:13,128 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:13,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:13,131 INFO L225 Difference]: With dead ends: 1774 [2022-12-14 06:09:13,131 INFO L226 Difference]: Without dead ends: 1774 [2022-12-14 06:09:13,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-12-14 06:09:13,132 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 400 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:13,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 100 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 06:09:13,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2022-12-14 06:09:13,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 828. [2022-12-14 06:09:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 825 states have (on average 2.5284848484848483) internal successors, (2086), 827 states have internal predecessors, (2086), 0 states have call successors, (0), 0 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 06:09:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 2086 transitions. [2022-12-14 06:09:13,145 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 2086 transitions. Word has length 19 [2022-12-14 06:09:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:13,145 INFO L495 AbstractCegarLoop]: Abstraction has 828 states and 2086 transitions. [2022-12-14 06:09:13,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 2086 transitions. [2022-12-14 06:09:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:13,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:13,146 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 06:09:13,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 06:09:13,146 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:13,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:13,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1549008722, now seen corresponding path program 2 times [2022-12-14 06:09:13,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:13,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054539148] [2022-12-14 06:09:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:13,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:13,598 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 06:09:13,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:13,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054539148] [2022-12-14 06:09:13,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054539148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:13,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:13,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:13,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679271838] [2022-12-14 06:09:13,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:13,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:13,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:13,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:13,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:13,599 INFO L87 Difference]: Start difference. First operand 828 states and 2086 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:15,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:15,614 INFO L93 Difference]: Finished difference Result 1780 states and 4259 transitions. [2022-12-14 06:09:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 06:09:15,614 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:15,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:15,616 INFO L225 Difference]: With dead ends: 1780 [2022-12-14 06:09:15,616 INFO L226 Difference]: Without dead ends: 1780 [2022-12-14 06:09:15,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2022-12-14 06:09:15,617 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 364 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:15,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 100 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 06:09:15,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2022-12-14 06:09:15,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 869. [2022-12-14 06:09:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 866 states have (on average 2.548498845265589) internal successors, (2207), 868 states have internal predecessors, (2207), 0 states have call successors, (0), 0 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 06:09:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 2207 transitions. [2022-12-14 06:09:15,629 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 2207 transitions. Word has length 19 [2022-12-14 06:09:15,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:15,629 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 2207 transitions. [2022-12-14 06:09:15,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 2207 transitions. [2022-12-14 06:09:15,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:15,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:15,630 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 06:09:15,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 06:09:15,630 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:15,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:15,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1824508202, now seen corresponding path program 3 times [2022-12-14 06:09:15,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:15,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553897972] [2022-12-14 06:09:15,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:15,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:16,832 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 06:09:16,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:16,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553897972] [2022-12-14 06:09:16,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553897972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:16,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:16,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:16,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612085569] [2022-12-14 06:09:16,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:16,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:16,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:16,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:16,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:16,833 INFO L87 Difference]: Start difference. First operand 869 states and 2207 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:21,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:21,210 INFO L93 Difference]: Finished difference Result 1934 states and 4681 transitions. [2022-12-14 06:09:21,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 06:09:21,211 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:21,216 INFO L225 Difference]: With dead ends: 1934 [2022-12-14 06:09:21,216 INFO L226 Difference]: Without dead ends: 1934 [2022-12-14 06:09:21,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2022-12-14 06:09:21,217 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 409 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:21,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 100 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 06:09:21,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-12-14 06:09:21,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 873. [2022-12-14 06:09:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 870 states have (on average 2.550574712643678) internal successors, (2219), 872 states have internal predecessors, (2219), 0 states have call successors, (0), 0 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 06:09:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 2219 transitions. [2022-12-14 06:09:21,238 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 2219 transitions. Word has length 19 [2022-12-14 06:09:21,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:21,238 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 2219 transitions. [2022-12-14 06:09:21,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 2219 transitions. [2022-12-14 06:09:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:21,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:21,240 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 06:09:21,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 06:09:21,240 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:21,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:21,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1820702642, now seen corresponding path program 4 times [2022-12-14 06:09:21,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:21,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812931159] [2022-12-14 06:09:21,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:21,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:21,725 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 06:09:21,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:21,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812931159] [2022-12-14 06:09:21,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812931159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:21,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:21,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:21,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372862401] [2022-12-14 06:09:21,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:21,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:21,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:21,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:21,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:21,726 INFO L87 Difference]: Start difference. First operand 873 states and 2219 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:24,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:24,524 INFO L93 Difference]: Finished difference Result 1851 states and 4449 transitions. [2022-12-14 06:09:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 06:09:24,525 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:24,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:24,527 INFO L225 Difference]: With dead ends: 1851 [2022-12-14 06:09:24,527 INFO L226 Difference]: Without dead ends: 1851 [2022-12-14 06:09:24,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2022-12-14 06:09:24,528 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 372 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:24,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 100 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 06:09:24,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2022-12-14 06:09:24,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 874. [2022-12-14 06:09:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 871 states have (on average 2.5522388059701493) internal successors, (2223), 873 states have internal predecessors, (2223), 0 states have call successors, (0), 0 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 06:09:24,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 2223 transitions. [2022-12-14 06:09:24,545 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 2223 transitions. Word has length 19 [2022-12-14 06:09:24,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:24,545 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 2223 transitions. [2022-12-14 06:09:24,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2223 transitions. [2022-12-14 06:09:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:24,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:24,546 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 06:09:24,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 06:09:24,547 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:24,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1290137326, now seen corresponding path program 5 times [2022-12-14 06:09:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:24,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779191371] [2022-12-14 06:09:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:24,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:25,578 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 06:09:25,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:25,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779191371] [2022-12-14 06:09:25,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779191371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:25,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:25,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 06:09:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006306881] [2022-12-14 06:09:25,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:25,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 06:09:25,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:25,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 06:09:25,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:09:25,579 INFO L87 Difference]: Start difference. First operand 874 states and 2223 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:09:28,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:28,588 INFO L93 Difference]: Finished difference Result 1967 states and 4722 transitions. [2022-12-14 06:09:28,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 06:09:28,588 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:09:28,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:28,591 INFO L225 Difference]: With dead ends: 1967 [2022-12-14 06:09:28,591 INFO L226 Difference]: Without dead ends: 1967 [2022-12-14 06:09:28,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=337, Invalid=785, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 06:09:28,591 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 536 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:28,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 0 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 06:09:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2022-12-14 06:09:28,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 803. [2022-12-14 06:09:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 800 states have (on average 2.53125) internal successors, (2025), 802 states have internal predecessors, (2025), 0 states have call successors, (0), 0 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 06:09:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 2025 transitions. [2022-12-14 06:09:28,605 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 2025 transitions. Word has length 19 [2022-12-14 06:09:28,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:28,605 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 2025 transitions. [2022-12-14 06:09:28,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:09:28,606 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 2025 transitions. [2022-12-14 06:09:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:28,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:28,606 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 06:09:28,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 06:09:28,606 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:28,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:28,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2074791236, now seen corresponding path program 6 times [2022-12-14 06:09:28,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:28,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977213358] [2022-12-14 06:09:28,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:28,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:29,593 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 06:09:29,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:29,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977213358] [2022-12-14 06:09:29,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977213358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:29,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:29,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 06:09:29,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264308079] [2022-12-14 06:09:29,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:29,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 06:09:29,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:29,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 06:09:29,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:09:29,595 INFO L87 Difference]: Start difference. First operand 803 states and 2025 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:09:33,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:33,962 INFO L93 Difference]: Finished difference Result 1478 states and 3582 transitions. [2022-12-14 06:09:33,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-14 06:09:33,963 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:09:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:33,964 INFO L225 Difference]: With dead ends: 1478 [2022-12-14 06:09:33,964 INFO L226 Difference]: Without dead ends: 1478 [2022-12-14 06:09:33,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=367, Invalid=893, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 06:09:33,965 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 433 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:33,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 0 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 06:09:33,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-12-14 06:09:33,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 866. [2022-12-14 06:09:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 863 states have (on average 2.5654692931633836) internal successors, (2214), 865 states have internal predecessors, (2214), 0 states have call successors, (0), 0 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 06:09:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2214 transitions. [2022-12-14 06:09:33,977 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2214 transitions. Word has length 19 [2022-12-14 06:09:33,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:33,977 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 2214 transitions. [2022-12-14 06:09:33,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:09:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2214 transitions. [2022-12-14 06:09:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:33,978 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:33,978 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 06:09:33,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 06:09:33,978 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash -966477046, now seen corresponding path program 7 times [2022-12-14 06:09:33,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:33,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730736810] [2022-12-14 06:09:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:33,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:09:34,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:34,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730736810] [2022-12-14 06:09:34,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730736810] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:34,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:34,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:34,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821201870] [2022-12-14 06:09:34,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:34,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:34,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:34,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:34,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:34,463 INFO L87 Difference]: Start difference. First operand 866 states and 2214 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:36,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:36,818 INFO L93 Difference]: Finished difference Result 1699 states and 3938 transitions. [2022-12-14 06:09:36,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 06:09:36,818 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:36,820 INFO L225 Difference]: With dead ends: 1699 [2022-12-14 06:09:36,820 INFO L226 Difference]: Without dead ends: 1699 [2022-12-14 06:09:36,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2022-12-14 06:09:36,821 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 329 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:36,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 114 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 06:09:36,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2022-12-14 06:09:36,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 862. [2022-12-14 06:09:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 859 states have (on average 2.5646100116414434) internal successors, (2203), 861 states have internal predecessors, (2203), 0 states have call successors, (0), 0 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 06:09:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2203 transitions. [2022-12-14 06:09:36,832 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2203 transitions. Word has length 19 [2022-12-14 06:09:36,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:36,832 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 2203 transitions. [2022-12-14 06:09:36,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2203 transitions. [2022-12-14 06:09:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:36,834 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:36,834 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 06:09:36,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 06:09:36,834 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:36,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:36,834 INFO L85 PathProgramCache]: Analyzing trace with hash -960268366, now seen corresponding path program 8 times [2022-12-14 06:09:36,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:36,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625891569] [2022-12-14 06:09:36,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:36,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:38,165 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 06:09:38,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:38,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625891569] [2022-12-14 06:09:38,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625891569] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:38,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:38,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:38,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186969083] [2022-12-14 06:09:38,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:38,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:38,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:38,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:38,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:38,166 INFO L87 Difference]: Start difference. First operand 862 states and 2203 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:44,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:44,974 INFO L93 Difference]: Finished difference Result 1842 states and 4363 transitions. [2022-12-14 06:09:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 06:09:44,975 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:44,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:44,977 INFO L225 Difference]: With dead ends: 1842 [2022-12-14 06:09:44,977 INFO L226 Difference]: Without dead ends: 1842 [2022-12-14 06:09:44,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=228, Invalid=474, Unknown=0, NotChecked=0, Total=702 [2022-12-14 06:09:44,977 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 316 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:44,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 114 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 06:09:44,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2022-12-14 06:09:44,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 876. [2022-12-14 06:09:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 873 states have (on average 2.5715922107674687) internal successors, (2245), 875 states have internal predecessors, (2245), 0 states have call successors, (0), 0 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 06:09:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 2245 transitions. [2022-12-14 06:09:44,990 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 2245 transitions. Word has length 19 [2022-12-14 06:09:44,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:44,990 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 2245 transitions. [2022-12-14 06:09:44,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 2245 transitions. [2022-12-14 06:09:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:44,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:44,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:44,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 06:09:44,991 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:44,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:44,992 INFO L85 PathProgramCache]: Analyzing trace with hash -960307426, now seen corresponding path program 9 times [2022-12-14 06:09:44,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:44,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209889413] [2022-12-14 06:09:44,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:44,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:46,596 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 06:09:46,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:46,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209889413] [2022-12-14 06:09:46,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209889413] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:46,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:46,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:46,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368326296] [2022-12-14 06:09:46,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:46,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:46,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:46,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:46,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:46,597 INFO L87 Difference]: Start difference. First operand 876 states and 2245 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:52,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:52,707 INFO L93 Difference]: Finished difference Result 1758 states and 4177 transitions. [2022-12-14 06:09:52,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 06:09:52,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:52,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:52,710 INFO L225 Difference]: With dead ends: 1758 [2022-12-14 06:09:52,710 INFO L226 Difference]: Without dead ends: 1758 [2022-12-14 06:09:52,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2022-12-14 06:09:52,710 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 313 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:52,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 114 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 06:09:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2022-12-14 06:09:52,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 878. [2022-12-14 06:09:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 875 states have (on average 2.5725714285714285) internal successors, (2251), 877 states have internal predecessors, (2251), 0 states have call successors, (0), 0 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 06:09:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 2251 transitions. [2022-12-14 06:09:52,721 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 2251 transitions. Word has length 19 [2022-12-14 06:09:52,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:52,722 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 2251 transitions. [2022-12-14 06:09:52,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 2251 transitions. [2022-12-14 06:09:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:52,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:52,722 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 06:09:52,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 06:09:52,723 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:52,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:52,723 INFO L85 PathProgramCache]: Analyzing trace with hash -684768886, now seen corresponding path program 10 times [2022-12-14 06:09:52,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:52,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744141793] [2022-12-14 06:09:52,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:52,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:09:53,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:53,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744141793] [2022-12-14 06:09:53,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744141793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:53,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:53,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:09:53,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101294872] [2022-12-14 06:09:53,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:53,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:09:53,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:09:53,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:09:53,178 INFO L87 Difference]: Start difference. First operand 878 states and 2251 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:56,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:56,658 INFO L93 Difference]: Finished difference Result 1881 states and 4421 transitions. [2022-12-14 06:09:56,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 06:09:56,659 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:56,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:56,661 INFO L225 Difference]: With dead ends: 1881 [2022-12-14 06:09:56,661 INFO L226 Difference]: Without dead ends: 1881 [2022-12-14 06:09:56,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=266, Invalid=546, Unknown=0, NotChecked=0, Total=812 [2022-12-14 06:09:56,661 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 288 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:56,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 114 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 06:09:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2022-12-14 06:09:56,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 854. [2022-12-14 06:09:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 851 states have (on average 2.5628672150411282) internal successors, (2181), 853 states have internal predecessors, (2181), 0 states have call successors, (0), 0 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 06:09:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2181 transitions. [2022-12-14 06:09:56,674 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2181 transitions. Word has length 19 [2022-12-14 06:09:56,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:56,674 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 2181 transitions. [2022-12-14 06:09:56,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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 06:09:56,674 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2181 transitions. [2022-12-14 06:09:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:09:56,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:56,675 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 06:09:56,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 06:09:56,675 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:09:56,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:56,675 INFO L85 PathProgramCache]: Analyzing trace with hash 495552882, now seen corresponding path program 11 times [2022-12-14 06:09:56,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:56,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029529911] [2022-12-14 06:09:56,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:56,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:57,710 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 06:09:57,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:57,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029529911] [2022-12-14 06:09:57,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029529911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:57,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:57,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 06:09:57,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117062837] [2022-12-14 06:09:57,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:57,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 06:09:57,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:57,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 06:09:57,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:09:57,711 INFO L87 Difference]: Start difference. First operand 854 states and 2181 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:02,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:02,783 INFO L93 Difference]: Finished difference Result 2912 states and 6894 transitions. [2022-12-14 06:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 06:10:02,783 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:02,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:02,786 INFO L225 Difference]: With dead ends: 2912 [2022-12-14 06:10:02,786 INFO L226 Difference]: Without dead ends: 2912 [2022-12-14 06:10:02,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=540, Invalid=1182, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 06:10:02,787 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 439 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:02,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 0 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 06:10:02,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-12-14 06:10:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 850. [2022-12-14 06:10:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 847 states have (on average 2.56198347107438) internal successors, (2170), 849 states have internal predecessors, (2170), 0 states have call successors, (0), 0 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 06:10:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 2170 transitions. [2022-12-14 06:10:02,802 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 2170 transitions. Word has length 19 [2022-12-14 06:10:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:02,802 INFO L495 AbstractCegarLoop]: Abstraction has 850 states and 2170 transitions. [2022-12-14 06:10:02,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 2170 transitions. [2022-12-14 06:10:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:10:02,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:02,803 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 06:10:02,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 06:10:02,803 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:10:02,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:02,803 INFO L85 PathProgramCache]: Analyzing trace with hash -289101028, now seen corresponding path program 12 times [2022-12-14 06:10:02,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:02,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991486456] [2022-12-14 06:10:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:03,403 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 06:10:03,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:03,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991486456] [2022-12-14 06:10:03,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991486456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:03,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:03,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 06:10:03,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132163824] [2022-12-14 06:10:03,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:03,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 06:10:03,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:03,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 06:10:03,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:10:03,405 INFO L87 Difference]: Start difference. First operand 850 states and 2170 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:08,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:08,144 INFO L93 Difference]: Finished difference Result 3315 states and 7885 transitions. [2022-12-14 06:10:08,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 06:10:08,144 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:08,148 INFO L225 Difference]: With dead ends: 3315 [2022-12-14 06:10:08,148 INFO L226 Difference]: Without dead ends: 3315 [2022-12-14 06:10:08,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=484, Invalid=1076, Unknown=0, NotChecked=0, Total=1560 [2022-12-14 06:10:08,148 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 573 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:08,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 0 Invalid, 1934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-14 06:10:08,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3315 states. [2022-12-14 06:10:08,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3315 to 829. [2022-12-14 06:10:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 826 states have (on average 2.5508474576271185) internal successors, (2107), 828 states have internal predecessors, (2107), 0 states have call successors, (0), 0 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 06:10:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 2107 transitions. [2022-12-14 06:10:08,163 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 2107 transitions. Word has length 19 [2022-12-14 06:10:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:08,164 INFO L495 AbstractCegarLoop]: Abstraction has 829 states and 2107 transitions. [2022-12-14 06:10:08,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2107 transitions. [2022-12-14 06:10:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:10:08,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:08,164 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 06:10:08,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 06:10:08,165 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:10:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:08,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2097396098, now seen corresponding path program 13 times [2022-12-14 06:10:08,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:08,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894156151] [2022-12-14 06:10:08,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:08,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:08,656 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 06:10:08,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:08,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894156151] [2022-12-14 06:10:08,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894156151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:08,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:08,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 06:10:08,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587721061] [2022-12-14 06:10:08,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:08,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 06:10:08,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:08,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 06:10:08,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:10:08,658 INFO L87 Difference]: Start difference. First operand 829 states and 2107 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:11,235 INFO L93 Difference]: Finished difference Result 1365 states and 3243 transitions. [2022-12-14 06:10:11,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 06:10:11,235 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:11,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:11,237 INFO L225 Difference]: With dead ends: 1365 [2022-12-14 06:10:11,237 INFO L226 Difference]: Without dead ends: 1365 [2022-12-14 06:10:11,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=403, Invalid=929, Unknown=0, NotChecked=0, Total=1332 [2022-12-14 06:10:11,237 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 567 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:11,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 0 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 06:10:11,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2022-12-14 06:10:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 526. [2022-12-14 06:10:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 524 states have (on average 2.4160305343511452) internal successors, (1266), 525 states have internal predecessors, (1266), 0 states have call successors, (0), 0 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 06:10:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1266 transitions. [2022-12-14 06:10:11,245 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1266 transitions. Word has length 19 [2022-12-14 06:10:11,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:11,245 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 1266 transitions. [2022-12-14 06:10:11,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 06:10:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1266 transitions. [2022-12-14 06:10:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 06:10:11,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:11,246 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 06:10:11,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 06:10:11,246 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:10:11,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:11,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2100067109, now seen corresponding path program 1 times [2022-12-14 06:10:11,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:11,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905357283] [2022-12-14 06:10:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:11,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:11,436 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 06:10:11,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:11,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905357283] [2022-12-14 06:10:11,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905357283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:11,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:11,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:11,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429437360] [2022-12-14 06:10:11,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:11,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:10:11,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:11,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:10:11,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:11,437 INFO L87 Difference]: Start difference. First operand 526 states and 1266 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 06:10:11,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:11,830 INFO L93 Difference]: Finished difference Result 528 states and 1268 transitions. [2022-12-14 06:10:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:11,830 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 06:10:11,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:11,831 INFO L225 Difference]: With dead ends: 528 [2022-12-14 06:10:11,831 INFO L226 Difference]: Without dead ends: 494 [2022-12-14 06:10:11,831 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 06:10:11,831 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:11,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:10:11,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-12-14 06:10:11,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2022-12-14 06:10:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 493 states have (on average 2.4908722109533468) internal successors, (1228), 493 states have internal predecessors, (1228), 0 states have call successors, (0), 0 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 06:10:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 1228 transitions. [2022-12-14 06:10:11,836 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 1228 transitions. Word has length 25 [2022-12-14 06:10:11,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:11,836 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 1228 transitions. [2022-12-14 06:10:11,836 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 06:10:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1228 transitions. [2022-12-14 06:10:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 06:10:11,837 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:11,837 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] [2022-12-14 06:10:11,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-14 06:10:11,837 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:10:11,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:11,837 INFO L85 PathProgramCache]: Analyzing trace with hash 542722820, now seen corresponding path program 1 times [2022-12-14 06:10:11,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:11,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125485099] [2022-12-14 06:10:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:11,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:12,255 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 06:10:12,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:12,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125485099] [2022-12-14 06:10:12,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125485099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:12,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:12,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:12,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609742555] [2022-12-14 06:10:12,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:12,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:10:12,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:12,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:10:12,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:12,256 INFO L87 Difference]: Start difference. First operand 494 states and 1228 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:12,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:12,649 INFO L93 Difference]: Finished difference Result 508 states and 1248 transitions. [2022-12-14 06:10:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:12,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 06:10:12,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:12,650 INFO L225 Difference]: With dead ends: 508 [2022-12-14 06:10:12,650 INFO L226 Difference]: Without dead ends: 350 [2022-12-14 06:10:12,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:12,651 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:12,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:10:12,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-12-14 06:10:12,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2022-12-14 06:10:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 349 states have (on average 2.372492836676218) internal successors, (828), 349 states have internal predecessors, (828), 0 states have call successors, (0), 0 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 06:10:12,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 828 transitions. [2022-12-14 06:10:12,654 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 828 transitions. Word has length 28 [2022-12-14 06:10:12,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:12,655 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 828 transitions. [2022-12-14 06:10:12,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:12,655 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 828 transitions. [2022-12-14 06:10:12,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 06:10:12,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:12,655 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] [2022-12-14 06:10:12,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-14 06:10:12,656 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 06:10:12,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:12,656 INFO L85 PathProgramCache]: Analyzing trace with hash 2068676802, now seen corresponding path program 1 times [2022-12-14 06:10:12,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:12,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968562247] [2022-12-14 06:10:12,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:13,154 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 06:10:13,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:13,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968562247] [2022-12-14 06:10:13,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968562247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:13,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:13,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 06:10:13,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440912209] [2022-12-14 06:10:13,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:13,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:10:13,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:13,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:10:13,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:10:13,156 INFO L87 Difference]: Start difference. First operand 350 states and 828 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:13,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:13,716 INFO L93 Difference]: Finished difference Result 346 states and 821 transitions. [2022-12-14 06:10:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 06:10:13,716 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-14 06:10:13,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:13,716 INFO L225 Difference]: With dead ends: 346 [2022-12-14 06:10:13,716 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:10:13,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-12-14 06:10:13,717 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 84 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:13,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 22 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:10:13,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:10:13,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:10:13,718 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 06:10:13,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:10:13,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-12-14 06:10:13,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:13,718 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:10:13,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:10:13,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:10:13,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2022-12-14 06:10:13,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2022-12-14 06:10:13,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2022-12-14 06:10:13,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 06:10:13,724 INFO L445 BasicCegarLoop]: Path program histogram: [13, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:13,727 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 06:10:13,727 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:10:13,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:10:13 BasicIcfg [2022-12-14 06:10:13,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:10:13,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:10:13,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:10:13,729 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:10:13,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:05:12" (3/4) ... [2022-12-14 06:10:13,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 06:10:13,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-12-14 06:10:13,739 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2022-12-14 06:10:13,739 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-14 06:10:13,739 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 06:10:13,740 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 06:10:13,774 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:10:13,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:10:13,775 INFO L158 Benchmark]: Toolchain (without parser) took 302344.58ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 96.9MB in the beginning and 91.5MB in the end (delta: 5.4MB). Peak memory consumption was 109.2MB. Max. memory is 16.1GB. [2022-12-14 06:10:13,775 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:10:13,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.90ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 85.0MB in the end (delta: 11.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-12-14 06:10:13,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.21ms. Allocated memory is still 134.2MB. Free memory was 85.0MB in the beginning and 80.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:10:13,776 INFO L158 Benchmark]: Boogie Preprocessor took 49.67ms. Allocated memory is still 134.2MB. Free memory was 80.1MB in the beginning and 75.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:10:13,776 INFO L158 Benchmark]: RCFGBuilder took 743.22ms. Allocated memory is still 134.2MB. Free memory was 75.9MB in the beginning and 73.6MB in the end (delta: 2.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-14 06:10:13,776 INFO L158 Benchmark]: TraceAbstraction took 300734.54ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 72.8MB in the beginning and 96.8MB in the end (delta: -24.0MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2022-12-14 06:10:13,776 INFO L158 Benchmark]: Witness Printer took 46.16ms. Allocated memory is still 234.9MB. Free memory was 96.8MB in the beginning and 91.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 06:10:13,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.90ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 85.0MB in the end (delta: 11.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.21ms. Allocated memory is still 134.2MB. Free memory was 85.0MB in the beginning and 80.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.67ms. Allocated memory is still 134.2MB. Free memory was 80.1MB in the beginning and 75.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 743.22ms. Allocated memory is still 134.2MB. Free memory was 75.9MB in the beginning and 73.6MB in the end (delta: 2.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * TraceAbstraction took 300734.54ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 72.8MB in the beginning and 96.8MB in the end (delta: -24.0MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Witness Printer took 46.16ms. Allocated memory is still 234.9MB. Free memory was 96.8MB in the beginning and 91.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 179.5s, 247 PlacesBefore, 87 PlacesAfterwards, 247 TransitionsBefore, 85 TransitionsAfterwards, 6816 CoEnabledTransitionPairs, 18 FixpointIterations, 121 TrivialSequentialCompositions, 94 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 23 ConcurrentYvCompositions, 2 ChoiceCompositions, 245 TotalNumberOfCompositions, 61430 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14584, independent: 12444, independent conditional: 0, independent unconditional: 12444, dependent: 1751, dependent conditional: 0, dependent unconditional: 1751, unknown: 389, unknown conditional: 0, unknown unconditional: 389] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4907, independent: 4766, independent conditional: 0, independent unconditional: 4766, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4907, independent: 4126, independent conditional: 0, independent unconditional: 4126, dependent: 781, dependent conditional: 0, dependent unconditional: 781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 781, independent: 640, independent conditional: 0, independent unconditional: 640, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101262, independent: 1272, independent conditional: 0, independent unconditional: 1272, dependent: 30178, dependent conditional: 0, dependent unconditional: 30178, unknown: 69812, unknown conditional: 0, unknown unconditional: 69812] ], Cache Queries: [ total: 14584, independent: 7678, independent conditional: 0, independent unconditional: 7678, dependent: 1638, dependent conditional: 0, dependent unconditional: 1638, unknown: 5268, unknown conditional: 0, unknown unconditional: 5268] , Statistics on independence cache: Total cache size (in pairs): 732, Positive cache size: 648, Positive conditional cache size: 0, Positive unconditional cache size: 648, Negative cache size: 84, Negative conditional cache size: 0, Negative unconditional cache size: 84, Unknown cache size: 20, Unknown conditional cache size: 0, Unknown unconditional cache size: 20 - 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: 1708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1734]: 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: 1758]: 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: 1759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1752]: 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: 1694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: 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, 260 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 300.6s, OverallIterations: 42, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 92.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 179.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9409 SdHoareTripleChecker+Valid, 73.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9409 mSDsluCounter, 2014 SdHoareTripleChecker+Invalid, 68.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 960 mSDsCounter, 1953 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29602 IncrementalHoareTripleChecker+Invalid, 31555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1953 mSolverCounterUnsat, 1054 mSDtfsCounter, 29602 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 720 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 711 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2025 ImplicationChecksByTransitivity, 23.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3794occurred in iteration=0, InterpolantAutomatonStates: 523, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 42 MinimizatonAttempts, 20721 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 690 ConstructedInterpolants, 0 QuantifiedInterpolants, 12642 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 42 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 06:10:13,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a4fc65-57de-44cf-9b8f-b061f7189483/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