./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/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_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/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_12da7ef6-bb66-49b2-9cf8-253c0242a991/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 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- 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 10:52:16,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:52:16,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:52:17,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:52:17,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:52:17,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:52:17,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:52:17,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:52:17,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:52:17,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:52:17,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:52:17,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:52:17,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:52:17,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:52:17,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:52:17,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:52:17,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:52:17,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:52:17,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:52:17,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:52:17,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:52:17,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:52:17,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:52:17,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:52:17,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:52:17,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:52:17,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:52:17,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:52:17,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:52:17,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:52:17,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:52:17,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:52:17,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:52:17,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:52:17,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:52:17,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:52:17,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:52:17,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:52:17,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:52:17,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:52:17,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:52:17,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 10:52:17,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:52:17,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:52:17,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:52:17,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:52:17,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:52:17,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:52:17,049 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:52:17,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:52:17,049 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:52:17,050 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:52:17,050 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:52:17,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:52:17,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:52:17,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:52:17,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:52:17,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:52:17,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:52:17,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:52:17,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:52:17,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:52:17,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:52:17,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:52:17,053 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:52:17,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:52:17,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:52:17,053 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:52:17,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:52:17,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:52:17,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:52:17,053 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_12da7ef6-bb66-49b2-9cf8-253c0242a991/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2022-12-14 10:52:17,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:52:17,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:52:17,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:52:17,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:52:17,232 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:52:17,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread/queue_longer.i [2022-12-14 10:52:19,883 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:52:20,102 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:52:20,102 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/sv-benchmarks/c/pthread/queue_longer.i [2022-12-14 10:52:20,114 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/data/292012fc0/5ee86b81365f48c9aee91bb362baad67/FLAG990b51e9f [2022-12-14 10:52:20,128 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/data/292012fc0/5ee86b81365f48c9aee91bb362baad67 [2022-12-14 10:52:20,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:52:20,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:52:20,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:52:20,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:52:20,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:52:20,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340bc74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20, skipping insertion in model container [2022-12-14 10:52:20,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:52:20,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:52:20,513 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_12da7ef6-bb66-49b2-9cf8-253c0242a991/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-12-14 10:52:20,515 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_12da7ef6-bb66-49b2-9cf8-253c0242a991/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-12-14 10:52:20,517 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_12da7ef6-bb66-49b2-9cf8-253c0242a991/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-12-14 10:52:20,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:52:20,530 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:52:20,573 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_12da7ef6-bb66-49b2-9cf8-253c0242a991/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2022-12-14 10:52:20,574 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_12da7ef6-bb66-49b2-9cf8-253c0242a991/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2022-12-14 10:52:20,576 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_12da7ef6-bb66-49b2-9cf8-253c0242a991/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2022-12-14 10:52:20,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:52:20,611 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:52:20,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20 WrapperNode [2022-12-14 10:52:20,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:52:20,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:52:20,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:52:20,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:52:20,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,666 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 481 [2022-12-14 10:52:20,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:52:20,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:52:20,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:52:20,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:52:20,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,707 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:52:20,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:52:20,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:52:20,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:52:20,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (1/1) ... [2022-12-14 10:52:20,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:52:20,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:52:20,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:52:20,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12da7ef6-bb66-49b2-9cf8-253c0242a991/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:52:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 10:52:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 10:52:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 10:52:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 10:52:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:52:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:52:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:52:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:52:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 10:52:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:52:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:52:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:52:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:52:20,776 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 10:52:20,909 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:52:20,911 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:52:21,460 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:52:21,471 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:52:21,472 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 10:52:21,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:52:21 BoogieIcfgContainer [2022-12-14 10:52:21,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:52:21,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:52:21,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:52:21,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:52:21,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:52:20" (1/3) ... [2022-12-14 10:52:21,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fe95c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:52:21, skipping insertion in model container [2022-12-14 10:52:21,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:52:20" (2/3) ... [2022-12-14 10:52:21,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fe95c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:52:21, skipping insertion in model container [2022-12-14 10:52:21,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:52:21" (3/3) ... [2022-12-14 10:52:21,484 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2022-12-14 10:52:21,490 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 10:52:21,498 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:52:21,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-12-14 10:52:21,498 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 10:52:21,621 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 10:52:21,649 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 10:52:21,660 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 545 places, 553 transitions, 1122 flow [2022-12-14 10:52:21,662 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 545 places, 553 transitions, 1122 flow [2022-12-14 10:52:21,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 545 places, 553 transitions, 1122 flow [2022-12-14 10:52:21,868 INFO L130 PetriNetUnfolder]: 15/551 cut-off events. [2022-12-14 10:52:21,868 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 10:52:21,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 551 events. 15/551 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 798 event pairs, 0 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 421. Up to 2 conditions per place. [2022-12-14 10:52:21,916 INFO L119 LiptonReduction]: Number of co-enabled transitions 83848 [2022-12-14 10:53:20,924 WARN L233 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 200 DAG size of output: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:53:36,116 WARN L233 SmtUtils]: Spent 10.85s on a formula simplification. DAG size of input: 200 DAG size of output: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:54:04,915 WARN L233 SmtUtils]: Spent 23.83s on a formula simplification. DAG size of input: 216 DAG size of output: 211 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:54:19,476 WARN L233 SmtUtils]: Spent 14.56s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:54:41,610 WARN L233 SmtUtils]: Spent 22.13s on a formula simplification. DAG size of input: 219 DAG size of output: 214 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:54:54,344 WARN L233 SmtUtils]: Spent 12.73s on a formula simplification that was a NOOP. DAG size: 210 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:54:54,611 INFO L134 LiptonReduction]: Checked pairs total: 1411240 [2022-12-14 10:54:54,612 INFO L136 LiptonReduction]: Total number of compositions: 371 [2022-12-14 10:54:54,617 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 273 places, 275 transitions, 566 flow [2022-12-14 10:54:56,113 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 102084 states, 101441 states have (on average 2.947752880985006) internal successors, (299023), 102083 states have internal predecessors, (299023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:54:56,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:54:56,131 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;@290c3f5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:54:56,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2022-12-14 10:54:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 102084 states, 101441 states have (on average 2.947752880985006) internal successors, (299023), 102083 states have internal predecessors, (299023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:54:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 10:54:56,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:54:56,263 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 10:54:56,263 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:54:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:54:56,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 1 times [2022-12-14 10:54:56,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:54:56,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064191759] [2022-12-14 10:54:56,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:54:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:54:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:54:56,361 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 10:54:56,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:54:56,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064191759] [2022-12-14 10:54:56,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064191759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:54:56,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:54:56,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 10:54:56,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14557746] [2022-12-14 10:54:56,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:54:56,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:54:56,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:54:56,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:54:56,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:54:56,506 INFO L87 Difference]: Start difference. First operand has 102084 states, 101441 states have (on average 2.947752880985006) internal successors, (299023), 102083 states have internal predecessors, (299023), 0 states have call successors, (0), 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 10:54:57,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:54:57,448 INFO L93 Difference]: Finished difference Result 102077 states and 297102 transitions. [2022-12-14 10:54:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:54:57,450 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 10:54:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:54:57,875 INFO L225 Difference]: With dead ends: 102077 [2022-12-14 10:54:57,875 INFO L226 Difference]: Without dead ends: 102077 [2022-12-14 10:54:57,876 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 10:54:57,878 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:54:57,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:54:58,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102077 states. [2022-12-14 10:55:00,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102077 to 102077. [2022-12-14 10:55:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102077 states, 101441 states have (on average 2.928815764828817) internal successors, (297102), 102076 states have internal predecessors, (297102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102077 states to 102077 states and 297102 transitions. [2022-12-14 10:55:00,710 INFO L78 Accepts]: Start accepts. Automaton has 102077 states and 297102 transitions. Word has length 1 [2022-12-14 10:55:00,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:00,710 INFO L495 AbstractCegarLoop]: Abstraction has 102077 states and 297102 transitions. [2022-12-14 10:55:00,710 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 10:55:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 102077 states and 297102 transitions. [2022-12-14 10:55:00,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 10:55:00,711 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:00,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:00,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:55:00,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:00,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1256822659, now seen corresponding path program 1 times [2022-12-14 10:55:00,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:00,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156272725] [2022-12-14 10:55:00,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:00,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:00,824 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 10:55:00,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:00,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156272725] [2022-12-14 10:55:00,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156272725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:00,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:00,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:55:00,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195974980] [2022-12-14 10:55:00,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:00,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:55:00,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:00,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:55:00,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:55:00,827 INFO L87 Difference]: Start difference. First operand 102077 states and 297102 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:01,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:01,877 INFO L93 Difference]: Finished difference Result 148780 states and 433309 transitions. [2022-12-14 10:55:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:55:01,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 10:55:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:02,414 INFO L225 Difference]: With dead ends: 148780 [2022-12-14 10:55:02,414 INFO L226 Difference]: Without dead ends: 148780 [2022-12-14 10:55:02,414 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 10:55:02,415 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 246 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:02,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 467 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:55:02,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148780 states. [2022-12-14 10:55:04,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148780 to 102085. [2022-12-14 10:55:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102085 states, 101471 states have (on average 2.934493599156409) internal successors, (297766), 102084 states have internal predecessors, (297766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102085 states to 102085 states and 297766 transitions. [2022-12-14 10:55:05,110 INFO L78 Accepts]: Start accepts. Automaton has 102085 states and 297766 transitions. Word has length 8 [2022-12-14 10:55:05,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:05,111 INFO L495 AbstractCegarLoop]: Abstraction has 102085 states and 297766 transitions. [2022-12-14 10:55:05,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 102085 states and 297766 transitions. [2022-12-14 10:55:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 10:55:05,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:05,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:05,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:55:05,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:05,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1079491004, now seen corresponding path program 1 times [2022-12-14 10:55:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:05,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463542025] [2022-12-14 10:55:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:05,669 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 10:55:05,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:05,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463542025] [2022-12-14 10:55:05,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463542025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:05,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:05,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:55:05,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072433335] [2022-12-14 10:55:05,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:05,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:55:05,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:05,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:55:05,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:55:05,671 INFO L87 Difference]: Start difference. First operand 102085 states and 297766 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:07,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:07,399 INFO L93 Difference]: Finished difference Result 130681 states and 381950 transitions. [2022-12-14 10:55:07,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:55:07,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 10:55:07,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:07,801 INFO L225 Difference]: With dead ends: 130681 [2022-12-14 10:55:07,801 INFO L226 Difference]: Without dead ends: 130681 [2022-12-14 10:55:07,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:55:07,802 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 220 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:07,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 260 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 10:55:08,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130681 states. [2022-12-14 10:55:10,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130681 to 116953. [2022-12-14 10:55:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116953 states, 116345 states have (on average 2.940650651080837) internal successors, (342130), 116952 states have internal predecessors, (342130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116953 states to 116953 states and 342130 transitions. [2022-12-14 10:55:10,830 INFO L78 Accepts]: Start accepts. Automaton has 116953 states and 342130 transitions. Word has length 9 [2022-12-14 10:55:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:10,831 INFO L495 AbstractCegarLoop]: Abstraction has 116953 states and 342130 transitions. [2022-12-14 10:55:10,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 116953 states and 342130 transitions. [2022-12-14 10:55:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 10:55:10,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:10,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:10,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:55:10,832 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:10,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:10,832 INFO L85 PathProgramCache]: Analyzing trace with hash 463549159, now seen corresponding path program 1 times [2022-12-14 10:55:10,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:10,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331532590] [2022-12-14 10:55:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:11,043 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 10:55:11,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:11,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331532590] [2022-12-14 10:55:11,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331532590] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:11,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:11,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:55:11,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280069327] [2022-12-14 10:55:11,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:11,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:55:11,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:55:11,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:55:11,045 INFO L87 Difference]: Start difference. First operand 116953 states and 342130 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:14,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:14,169 INFO L93 Difference]: Finished difference Result 190046 states and 550480 transitions. [2022-12-14 10:55:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:55:14,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 10:55:14,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:14,927 INFO L225 Difference]: With dead ends: 190046 [2022-12-14 10:55:14,927 INFO L226 Difference]: Without dead ends: 190046 [2022-12-14 10:55:14,928 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 10:55:14,928 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 513 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 3006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:14,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 391 Invalid, 3006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 2745 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 10:55:15,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190046 states. [2022-12-14 10:55:17,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190046 to 174908. [2022-12-14 10:55:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174908 states, 174300 states have (on average 2.979592656339644) internal successors, (519343), 174907 states have internal predecessors, (519343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174908 states to 174908 states and 519343 transitions. [2022-12-14 10:55:18,856 INFO L78 Accepts]: Start accepts. Automaton has 174908 states and 519343 transitions. Word has length 10 [2022-12-14 10:55:18,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:18,857 INFO L495 AbstractCegarLoop]: Abstraction has 174908 states and 519343 transitions. [2022-12-14 10:55:18,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 174908 states and 519343 transitions. [2022-12-14 10:55:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:55:18,859 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:18,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:18,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:55:18,860 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:18,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:18,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2031098980, now seen corresponding path program 1 times [2022-12-14 10:55:18,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:18,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095442827] [2022-12-14 10:55:18,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:18,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:19,149 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 10:55:19,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:19,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095442827] [2022-12-14 10:55:19,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095442827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:19,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:19,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:55:19,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95971939] [2022-12-14 10:55:19,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:19,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:55:19,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:19,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:55:19,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:55:19,151 INFO L87 Difference]: Start difference. First operand 174908 states and 519343 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:22,301 INFO L93 Difference]: Finished difference Result 257532 states and 763569 transitions. [2022-12-14 10:55:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:55:22,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 10:55:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:23,300 INFO L225 Difference]: With dead ends: 257532 [2022-12-14 10:55:23,300 INFO L226 Difference]: Without dead ends: 257532 [2022-12-14 10:55:23,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:55:23,301 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 392 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2053 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 2053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:23,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 277 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 2053 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 10:55:23,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257532 states. [2022-12-14 10:55:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257532 to 194192. [2022-12-14 10:55:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194192 states, 193620 states have (on average 2.9830802603036877) internal successors, (577584), 194191 states have internal predecessors, (577584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194192 states to 194192 states and 577584 transitions. [2022-12-14 10:55:28,240 INFO L78 Accepts]: Start accepts. Automaton has 194192 states and 577584 transitions. Word has length 14 [2022-12-14 10:55:28,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:28,240 INFO L495 AbstractCegarLoop]: Abstraction has 194192 states and 577584 transitions. [2022-12-14 10:55:28,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 194192 states and 577584 transitions. [2022-12-14 10:55:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 10:55:28,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:28,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:28,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:55:28,242 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:28,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:28,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2104683865, now seen corresponding path program 1 times [2022-12-14 10:55:28,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:28,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28164338] [2022-12-14 10:55:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:28,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:28,442 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 10:55:28,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:28,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28164338] [2022-12-14 10:55:28,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28164338] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:28,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:28,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:55:28,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011579124] [2022-12-14 10:55:28,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:28,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:55:28,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:28,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:55:28,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:55:28,444 INFO L87 Difference]: Start difference. First operand 194192 states and 577584 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 10:55:30,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:30,686 INFO L93 Difference]: Finished difference Result 199246 states and 592259 transitions. [2022-12-14 10:55:30,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:55:30,687 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 10:55:30,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:31,585 INFO L225 Difference]: With dead ends: 199246 [2022-12-14 10:55:31,585 INFO L226 Difference]: Without dead ends: 199246 [2022-12-14 10:55:31,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:55:31,586 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 204 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:31,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 278 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 10:55:32,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199246 states. [2022-12-14 10:55:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199246 to 199246. [2022-12-14 10:55:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199246 states, 198674 states have (on average 2.981059423980994) internal successors, (592259), 199245 states have internal predecessors, (592259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199246 states to 199246 states and 592259 transitions. [2022-12-14 10:55:36,054 INFO L78 Accepts]: Start accepts. Automaton has 199246 states and 592259 transitions. Word has length 15 [2022-12-14 10:55:36,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:36,054 INFO L495 AbstractCegarLoop]: Abstraction has 199246 states and 592259 transitions. [2022-12-14 10:55:36,054 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 10:55:36,054 INFO L276 IsEmpty]: Start isEmpty. Operand 199246 states and 592259 transitions. [2022-12-14 10:55:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:55:36,056 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:36,057 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 10:55:36,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:55:36,057 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:36,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:36,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1060574606, now seen corresponding path program 1 times [2022-12-14 10:55:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:36,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627244069] [2022-12-14 10:55:36,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:36,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:36,570 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 10:55:36,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:36,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627244069] [2022-12-14 10:55:36,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627244069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:36,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:36,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:55:36,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755245116] [2022-12-14 10:55:36,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:36,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:55:36,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:36,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:55:36,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:55:36,572 INFO L87 Difference]: Start difference. First operand 199246 states and 592259 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:40,489 INFO L93 Difference]: Finished difference Result 256233 states and 749074 transitions. [2022-12-14 10:55:40,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:55:40,490 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:40,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:41,522 INFO L225 Difference]: With dead ends: 256233 [2022-12-14 10:55:41,522 INFO L226 Difference]: Without dead ends: 256233 [2022-12-14 10:55:41,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-12-14 10:55:41,523 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1059 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 3953 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 4379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 3953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:41,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 441 Invalid, 4379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 3953 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 10:55:41,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256233 states. [2022-12-14 10:55:45,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256233 to 203918. [2022-12-14 10:55:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203918 states, 203346 states have (on average 2.9821437353082922) internal successors, (606407), 203917 states have internal predecessors, (606407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203918 states to 203918 states and 606407 transitions. [2022-12-14 10:55:46,321 INFO L78 Accepts]: Start accepts. Automaton has 203918 states and 606407 transitions. Word has length 19 [2022-12-14 10:55:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:46,322 INFO L495 AbstractCegarLoop]: Abstraction has 203918 states and 606407 transitions. [2022-12-14 10:55:46,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 203918 states and 606407 transitions. [2022-12-14 10:55:46,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:55:46,324 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:46,324 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 10:55:46,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:55:46,325 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:46,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:46,325 INFO L85 PathProgramCache]: Analyzing trace with hash 28807626, now seen corresponding path program 1 times [2022-12-14 10:55:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:46,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044074499] [2022-12-14 10:55:46,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:46,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:46,595 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 10:55:46,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:46,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044074499] [2022-12-14 10:55:46,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044074499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:46,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:46,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:55:46,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111618488] [2022-12-14 10:55:46,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:46,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:55:46,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:46,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:55:46,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:55:46,597 INFO L87 Difference]: Start difference. First operand 203918 states and 606407 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:49,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:49,164 INFO L93 Difference]: Finished difference Result 209444 states and 622506 transitions. [2022-12-14 10:55:49,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:55:49,165 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:49,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:49,786 INFO L225 Difference]: With dead ends: 209444 [2022-12-14 10:55:49,786 INFO L226 Difference]: Without dead ends: 209444 [2022-12-14 10:55:49,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 10:55:49,787 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 774 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:49,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 275 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 10:55:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209444 states. [2022-12-14 10:55:53,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209444 to 203684. [2022-12-14 10:55:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203684 states, 203114 states have (on average 2.982000256013864) internal successors, (605686), 203683 states have internal predecessors, (605686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:55:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203684 states to 203684 states and 605686 transitions. [2022-12-14 10:55:54,258 INFO L78 Accepts]: Start accepts. Automaton has 203684 states and 605686 transitions. Word has length 19 [2022-12-14 10:55:54,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:54,259 INFO L495 AbstractCegarLoop]: Abstraction has 203684 states and 605686 transitions. [2022-12-14 10:55:54,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:54,259 INFO L276 IsEmpty]: Start isEmpty. Operand 203684 states and 605686 transitions. [2022-12-14 10:55:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:55:54,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:54,261 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 10:55:54,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:55:54,262 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:55:54,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:54,262 INFO L85 PathProgramCache]: Analyzing trace with hash -461616590, now seen corresponding path program 2 times [2022-12-14 10:55:54,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:54,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512870624] [2022-12-14 10:55:54,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:54,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:54,563 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 10:55:54,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:54,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512870624] [2022-12-14 10:55:54,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512870624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:54,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:54,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:55:54,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131799972] [2022-12-14 10:55:54,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:54,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:55:54,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:54,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:55:54,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:55:54,565 INFO L87 Difference]: Start difference. First operand 203684 states and 605686 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:59,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:59,885 INFO L93 Difference]: Finished difference Result 343222 states and 1004471 transitions. [2022-12-14 10:55:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:55:59,886 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:55:59,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:01,163 INFO L225 Difference]: With dead ends: 343222 [2022-12-14 10:56:01,163 INFO L226 Difference]: Without dead ends: 343222 [2022-12-14 10:56:01,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-12-14 10:56:01,164 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 960 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 4362 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 4975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 4362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:01,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 429 Invalid, 4975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 4362 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 10:56:01,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343222 states. [2022-12-14 10:56:05,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343222 to 203106. [2022-12-14 10:56:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203106 states, 202536 states have (on average 2.9818748271912154) internal successors, (603937), 203105 states have internal predecessors, (603937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203106 states to 203106 states and 603937 transitions. [2022-12-14 10:56:06,566 INFO L78 Accepts]: Start accepts. Automaton has 203106 states and 603937 transitions. Word has length 19 [2022-12-14 10:56:06,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:06,566 INFO L495 AbstractCegarLoop]: Abstraction has 203106 states and 603937 transitions. [2022-12-14 10:56:06,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:56:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 203106 states and 603937 transitions. [2022-12-14 10:56:06,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:56:06,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:06,569 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 10:56:06,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:56:06,569 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:06,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:06,569 INFO L85 PathProgramCache]: Analyzing trace with hash -9862990, now seen corresponding path program 3 times [2022-12-14 10:56:06,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:06,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759236692] [2022-12-14 10:56:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:06,881 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 10:56:06,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:06,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759236692] [2022-12-14 10:56:06,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759236692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:06,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:06,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:56:06,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684116983] [2022-12-14 10:56:06,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:06,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:56:06,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:06,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:56:06,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:56:06,883 INFO L87 Difference]: Start difference. First operand 203106 states and 603937 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:56:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:11,979 INFO L93 Difference]: Finished difference Result 288827 states and 838222 transitions. [2022-12-14 10:56:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:56:11,980 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:56:11,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:13,083 INFO L225 Difference]: With dead ends: 288827 [2022-12-14 10:56:13,083 INFO L226 Difference]: Without dead ends: 288827 [2022-12-14 10:56:13,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-12-14 10:56:13,084 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 980 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 4710 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 5239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 4710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:13,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 515 Invalid, 5239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 4710 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-14 10:56:13,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288827 states. [2022-12-14 10:56:17,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288827 to 203106. [2022-12-14 10:56:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203106 states, 202536 states have (on average 2.9818748271912154) internal successors, (603937), 203105 states have internal predecessors, (603937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203106 states to 203106 states and 603937 transitions. [2022-12-14 10:56:18,211 INFO L78 Accepts]: Start accepts. Automaton has 203106 states and 603937 transitions. Word has length 19 [2022-12-14 10:56:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:18,211 INFO L495 AbstractCegarLoop]: Abstraction has 203106 states and 603937 transitions. [2022-12-14 10:56:18,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:56:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 203106 states and 603937 transitions. [2022-12-14 10:56:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 10:56:18,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:18,215 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 10:56:18,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 10:56:18,215 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:18,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:18,216 INFO L85 PathProgramCache]: Analyzing trace with hash 914300634, now seen corresponding path program 4 times [2022-12-14 10:56:18,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:18,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575187772] [2022-12-14 10:56:18,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:18,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:18,497 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 10:56:18,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:18,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575187772] [2022-12-14 10:56:18,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575187772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:18,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:18,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:56:18,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239674337] [2022-12-14 10:56:18,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:18,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:56:18,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:18,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:56:18,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:56:18,499 INFO L87 Difference]: Start difference. First operand 203106 states and 603937 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:56:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:24,125 INFO L93 Difference]: Finished difference Result 318061 states and 927600 transitions. [2022-12-14 10:56:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:56:24,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:56:24,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:25,133 INFO L225 Difference]: With dead ends: 318061 [2022-12-14 10:56:25,133 INFO L226 Difference]: Without dead ends: 318061 [2022-12-14 10:56:25,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-14 10:56:25,134 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 989 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 5336 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 5920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 5336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:25,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 517 Invalid, 5920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 5336 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 10:56:25,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318061 states. [2022-12-14 10:56:29,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318061 to 201326. [2022-12-14 10:56:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201326 states, 200756 states have (on average 2.9814849867500848) internal successors, (598551), 201325 states have internal predecessors, (598551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201326 states to 201326 states and 598551 transitions. [2022-12-14 10:56:30,660 INFO L78 Accepts]: Start accepts. Automaton has 201326 states and 598551 transitions. Word has length 19 [2022-12-14 10:56:30,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:30,660 INFO L495 AbstractCegarLoop]: Abstraction has 201326 states and 598551 transitions. [2022-12-14 10:56:30,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 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 10:56:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 201326 states and 598551 transitions. [2022-12-14 10:56:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 10:56:30,662 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:30,662 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] [2022-12-14 10:56:30,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 10:56:30,663 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:30,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash 349607488, now seen corresponding path program 1 times [2022-12-14 10:56:30,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:30,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428879247] [2022-12-14 10:56:30,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:30,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:30,712 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 10:56:30,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:30,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428879247] [2022-12-14 10:56:30,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428879247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:30,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:30,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:56:30,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762017481] [2022-12-14 10:56:30,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:30,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:56:30,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:30,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:56:30,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:56:30,714 INFO L87 Difference]: Start difference. First operand 201326 states and 598551 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:31,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:31,395 INFO L93 Difference]: Finished difference Result 119087 states and 354088 transitions. [2022-12-14 10:56:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:56:31,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 10:56:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:31,766 INFO L225 Difference]: With dead ends: 119087 [2022-12-14 10:56:31,766 INFO L226 Difference]: Without dead ends: 119080 [2022-12-14 10:56:31,767 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 10:56:31,767 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 183 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:31,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 293 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:56:31,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119080 states. [2022-12-14 10:56:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119080 to 115461. [2022-12-14 10:56:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115461 states, 115103 states have (on average 3.015273276978011) internal successors, (347067), 115460 states have internal predecessors, (347067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115461 states to 115461 states and 347067 transitions. [2022-12-14 10:56:34,206 INFO L78 Accepts]: Start accepts. Automaton has 115461 states and 347067 transitions. Word has length 20 [2022-12-14 10:56:34,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:34,206 INFO L495 AbstractCegarLoop]: Abstraction has 115461 states and 347067 transitions. [2022-12-14 10:56:34,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 115461 states and 347067 transitions. [2022-12-14 10:56:34,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 10:56:34,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:34,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:34,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 10:56:34,208 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:34,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:34,208 INFO L85 PathProgramCache]: Analyzing trace with hash -650113846, now seen corresponding path program 1 times [2022-12-14 10:56:34,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:34,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722795881] [2022-12-14 10:56:34,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:34,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:34,573 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 10:56:34,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:34,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722795881] [2022-12-14 10:56:34,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722795881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:34,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:34,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:56:34,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519475234] [2022-12-14 10:56:34,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:34,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:56:34,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:34,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:56:34,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:56:34,575 INFO L87 Difference]: Start difference. First operand 115461 states and 347067 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:35,981 INFO L93 Difference]: Finished difference Result 118670 states and 356411 transitions. [2022-12-14 10:56:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:56:35,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-12-14 10:56:35,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:36,348 INFO L225 Difference]: With dead ends: 118670 [2022-12-14 10:56:36,349 INFO L226 Difference]: Without dead ends: 118670 [2022-12-14 10:56:36,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:56:36,349 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 216 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:36,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 242 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 10:56:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118670 states. [2022-12-14 10:56:38,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118670 to 117374. [2022-12-14 10:56:38,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117374 states, 117030 states have (on average 3.0129624882508756) internal successors, (352607), 117373 states have internal predecessors, (352607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117374 states to 117374 states and 352607 transitions. [2022-12-14 10:56:39,187 INFO L78 Accepts]: Start accepts. Automaton has 117374 states and 352607 transitions. Word has length 21 [2022-12-14 10:56:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:39,187 INFO L495 AbstractCegarLoop]: Abstraction has 117374 states and 352607 transitions. [2022-12-14 10:56:39,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 117374 states and 352607 transitions. [2022-12-14 10:56:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 10:56:39,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:39,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:39,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 10:56:39,190 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:39,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash 937480073, now seen corresponding path program 1 times [2022-12-14 10:56:39,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:39,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985806311] [2022-12-14 10:56:39,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:39,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:39,371 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 10:56:39,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:39,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985806311] [2022-12-14 10:56:39,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985806311] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:39,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:39,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:56:39,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610051538] [2022-12-14 10:56:39,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:39,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:56:39,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:39,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:56:39,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:56:39,373 INFO L87 Difference]: Start difference. First operand 117374 states and 352607 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:40,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:40,673 INFO L93 Difference]: Finished difference Result 121777 states and 365690 transitions. [2022-12-14 10:56:40,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:56:40,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-12-14 10:56:40,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:41,214 INFO L225 Difference]: With dead ends: 121777 [2022-12-14 10:56:41,214 INFO L226 Difference]: Without dead ends: 121777 [2022-12-14 10:56:41,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:56:41,215 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 206 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:41,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 260 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 10:56:41,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121777 states. [2022-12-14 10:56:43,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121777 to 121742. [2022-12-14 10:56:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121742 states, 121398 states have (on average 3.0115158404586566) internal successors, (365592), 121741 states have internal predecessors, (365592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:43,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121742 states to 121742 states and 365592 transitions. [2022-12-14 10:56:43,634 INFO L78 Accepts]: Start accepts. Automaton has 121742 states and 365592 transitions. Word has length 27 [2022-12-14 10:56:43,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:43,634 INFO L495 AbstractCegarLoop]: Abstraction has 121742 states and 365592 transitions. [2022-12-14 10:56:43,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 121742 states and 365592 transitions. [2022-12-14 10:56:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 10:56:43,636 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:43,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:43,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 10:56:43,636 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:43,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:43,637 INFO L85 PathProgramCache]: Analyzing trace with hash -66325350, now seen corresponding path program 1 times [2022-12-14 10:56:43,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:43,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597451163] [2022-12-14 10:56:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:43,890 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 10:56:43,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:43,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597451163] [2022-12-14 10:56:43,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597451163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:43,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:43,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:56:43,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251071006] [2022-12-14 10:56:43,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:43,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:56:43,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:43,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:56:43,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:56:43,891 INFO L87 Difference]: Start difference. First operand 121742 states and 365592 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:45,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:45,654 INFO L93 Difference]: Finished difference Result 124299 states and 372955 transitions. [2022-12-14 10:56:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:56:45,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-12-14 10:56:45,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:46,050 INFO L225 Difference]: With dead ends: 124299 [2022-12-14 10:56:46,050 INFO L226 Difference]: Without dead ends: 124299 [2022-12-14 10:56:46,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 10:56:46,050 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 741 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:46,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 169 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 10:56:46,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124299 states. [2022-12-14 10:56:48,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124299 to 120775. [2022-12-14 10:56:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120775 states, 120435 states have (on average 3.0099140615269646) internal successors, (362499), 120774 states have internal predecessors, (362499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120775 states to 120775 states and 362499 transitions. [2022-12-14 10:56:48,482 INFO L78 Accepts]: Start accepts. Automaton has 120775 states and 362499 transitions. Word has length 31 [2022-12-14 10:56:48,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:48,482 INFO L495 AbstractCegarLoop]: Abstraction has 120775 states and 362499 transitions. [2022-12-14 10:56:48,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 120775 states and 362499 transitions. [2022-12-14 10:56:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 10:56:48,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:48,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:48,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 10:56:48,485 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:48,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:48,486 INFO L85 PathProgramCache]: Analyzing trace with hash 662508523, now seen corresponding path program 1 times [2022-12-14 10:56:48,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:48,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267606836] [2022-12-14 10:56:48,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:48,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:48,716 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 10:56:48,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:48,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267606836] [2022-12-14 10:56:48,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267606836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:48,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:48,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:56:48,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29879521] [2022-12-14 10:56:48,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:48,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:56:48,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:48,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:56:48,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:56:48,718 INFO L87 Difference]: Start difference. First operand 120775 states and 362499 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:50,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:50,268 INFO L93 Difference]: Finished difference Result 125143 states and 375484 transitions. [2022-12-14 10:56:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:56:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-12-14 10:56:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:50,639 INFO L225 Difference]: With dead ends: 125143 [2022-12-14 10:56:50,639 INFO L226 Difference]: Without dead ends: 125143 [2022-12-14 10:56:50,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:56:50,640 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 204 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:50,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 251 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 10:56:50,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125143 states. [2022-12-14 10:56:52,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125143 to 125143. [2022-12-14 10:56:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125143 states, 124803 states have (on average 3.008613574994191) internal successors, (375484), 125142 states have internal predecessors, (375484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125143 states to 125143 states and 375484 transitions. [2022-12-14 10:56:53,344 INFO L78 Accepts]: Start accepts. Automaton has 125143 states and 375484 transitions. Word has length 39 [2022-12-14 10:56:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:53,345 INFO L495 AbstractCegarLoop]: Abstraction has 125143 states and 375484 transitions. [2022-12-14 10:56:53,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 125143 states and 375484 transitions. [2022-12-14 10:56:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 10:56:53,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:53,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:53,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 10:56:53,348 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:53,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:53,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1884429982, now seen corresponding path program 1 times [2022-12-14 10:56:53,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:53,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731548341] [2022-12-14 10:56:53,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:53,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:53,666 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 10:56:53,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:53,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731548341] [2022-12-14 10:56:53,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731548341] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:53,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:53,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 10:56:53,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509210037] [2022-12-14 10:56:53,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:53,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:56:53,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:53,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:56:53,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:56:53,668 INFO L87 Difference]: Start difference. First operand 125143 states and 375484 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:55,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:55,636 INFO L93 Difference]: Finished difference Result 127700 states and 382847 transitions. [2022-12-14 10:56:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:56:55,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-12-14 10:56:55,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:56,024 INFO L225 Difference]: With dead ends: 127700 [2022-12-14 10:56:56,024 INFO L226 Difference]: Without dead ends: 127700 [2022-12-14 10:56:56,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 10:56:56,024 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 680 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:56,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 202 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1886 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 10:56:56,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127700 states. [2022-12-14 10:56:58,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127700 to 124176. [2022-12-14 10:56:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124176 states, 123840 states have (on average 3.00703326873385) internal successors, (372391), 124175 states have internal predecessors, (372391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124176 states to 124176 states and 372391 transitions. [2022-12-14 10:56:58,656 INFO L78 Accepts]: Start accepts. Automaton has 124176 states and 372391 transitions. Word has length 43 [2022-12-14 10:56:58,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:58,656 INFO L495 AbstractCegarLoop]: Abstraction has 124176 states and 372391 transitions. [2022-12-14 10:56:58,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:58,656 INFO L276 IsEmpty]: Start isEmpty. Operand 124176 states and 372391 transitions. [2022-12-14 10:56:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 10:56:58,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:58,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:58,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 10:56:58,660 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:56:58,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:58,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1912500115, now seen corresponding path program 1 times [2022-12-14 10:56:58,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:58,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612674618] [2022-12-14 10:56:58,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:59,066 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 10:56:59,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:59,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612674618] [2022-12-14 10:56:59,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612674618] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:59,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:59,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:56:59,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080045836] [2022-12-14 10:56:59,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:59,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:56:59,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:59,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:56:59,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:56:59,067 INFO L87 Difference]: Start difference. First operand 124176 states and 372391 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:56:59,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:59,996 INFO L93 Difference]: Finished difference Result 124321 states and 372800 transitions. [2022-12-14 10:56:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:56:59,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-12-14 10:56:59,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:00,361 INFO L225 Difference]: With dead ends: 124321 [2022-12-14 10:57:00,361 INFO L226 Difference]: Without dead ends: 124321 [2022-12-14 10:57:00,362 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 10:57:00,362 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 48 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:00,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 214 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 10:57:00,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124321 states. [2022-12-14 10:57:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124321 to 124321. [2022-12-14 10:57:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124321 states, 123985 states have (on average 3.006815340565391) internal successors, (372800), 124320 states have internal predecessors, (372800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124321 states to 124321 states and 372800 transitions. [2022-12-14 10:57:03,150 INFO L78 Accepts]: Start accepts. Automaton has 124321 states and 372800 transitions. Word has length 45 [2022-12-14 10:57:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:03,150 INFO L495 AbstractCegarLoop]: Abstraction has 124321 states and 372800 transitions. [2022-12-14 10:57:03,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 124321 states and 372800 transitions. [2022-12-14 10:57:03,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 10:57:03,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:03,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:03,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 10:57:03,153 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2022-12-14 10:57:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:03,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1602849534, now seen corresponding path program 1 times [2022-12-14 10:57:03,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:03,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221968049] [2022-12-14 10:57:03,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:03,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:03,362 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 10:57:03,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:03,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221968049] [2022-12-14 10:57:03,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221968049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:03,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:03,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:57:03,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544915548] [2022-12-14 10:57:03,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:03,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:57:03,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:03,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:57:03,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:57:03,363 INFO L87 Difference]: Start difference. First operand 124321 states and 372800 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:57:04,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:04,654 INFO L93 Difference]: Finished difference Result 129901 states and 389402 transitions. [2022-12-14 10:57:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:57:04,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-12-14 10:57:04,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:05,206 INFO L225 Difference]: With dead ends: 129901 [2022-12-14 10:57:05,206 INFO L226 Difference]: Without dead ends: 129901 [2022-12-14 10:57:05,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:57:05,206 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 208 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:05,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 234 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 10:57:05,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129901 states. [2022-12-14 10:57:07,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129901 to 128689.