./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS --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 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 --- 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-8393723 [2022-11-19 06:33:05,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:33:05,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:33:05,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:33:05,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:33:05,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:33:05,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:33:05,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:33:05,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:33:05,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:33:05,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:33:05,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:33:05,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:33:05,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:33:05,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:33:05,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:33:05,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:33:05,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:33:05,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:33:05,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:33:05,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:33:05,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:33:05,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:33:05,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:33:05,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:33:05,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:33:05,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:33:05,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:33:05,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:33:05,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:33:05,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:33:05,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:33:05,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:33:05,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:33:05,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:33:05,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:33:05,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:33:05,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:33:05,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:33:05,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:33:05,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:33:05,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:33:05,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:33:05,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:33:05,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:33:05,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:33:05,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:33:05,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:33:05,933 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:33:05,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:33:05,934 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:33:05,934 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:33:05,935 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:33:05,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:33:05,935 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:33:05,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:33:05,936 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:33:05,936 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:33:05,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:33:05,937 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:33:05,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:33:05,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:33:05,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:33:05,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:33:05,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:33:05,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:33:05,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:33:05,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:33:05,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:33:05,941 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:33:05,941 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:33:05,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:33:05,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:33:05,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:33:05,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:33:05,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:33:05,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:33:05,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:33:05,944 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:33:05,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:33:05,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:33:05,945 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:33:05,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:33:05,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:33:05,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:33:05,947 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_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 [2022-11-19 06:33:06,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:33:06,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:33:06,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:33:06,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:33:06,342 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:33:06,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-11-19 06:33:06,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/data/49ec0980b/4b41e249c3e84b3ba59a7c77b273fd80/FLAGa756071dd [2022-11-19 06:33:07,107 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:33:07,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-11-19 06:33:07,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/data/49ec0980b/4b41e249c3e84b3ba59a7c77b273fd80/FLAGa756071dd [2022-11-19 06:33:07,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/data/49ec0980b/4b41e249c3e84b3ba59a7c77b273fd80 [2022-11-19 06:33:07,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:33:07,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:33:07,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:33:07,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:33:07,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:33:07,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:33:07" (1/1) ... [2022-11-19 06:33:07,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211bcd03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:07, skipping insertion in model container [2022-11-19 06:33:07,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:33:07" (1/1) ... [2022-11-19 06:33:07,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:33:07,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:33:07,681 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:33:08,559 WARN L234 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_3590569d-262c-4f61-a132-60ba0353ca1c/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-11-19 06:33:08,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:33:08,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:33:08,676 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 06:33:08,751 WARN L234 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_3590569d-262c-4f61-a132-60ba0353ca1c/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-11-19 06:33:08,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:33:08,889 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:33:08,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08 WrapperNode [2022-11-19 06:33:08,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:33:08,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:33:08,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:33:08,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:33:08,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:08,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,048 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-11-19 06:33:09,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:33:09,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:33:09,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:33:09,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:33:09,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:33:09,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:33:09,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:33:09,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:33:09,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (1/1) ... [2022-11-19 06:33:09,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:33:09,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:33:09,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:33:09,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:33:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 06:33:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:33:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 06:33:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:33:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:33:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:33:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:33:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:33:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-19 06:33:09,321 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-19 06:33:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:33:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:33:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:33:09,324 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 06:33:09,775 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:33:09,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:33:10,443 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:33:10,535 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:33:10,535 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:33:10,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:33:10 BoogieIcfgContainer [2022-11-19 06:33:10,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:33:10,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:33:10,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:33:10,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:33:10,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:33:07" (1/3) ... [2022-11-19 06:33:10,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137d51db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:33:10, skipping insertion in model container [2022-11-19 06:33:10,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:33:08" (2/3) ... [2022-11-19 06:33:10,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137d51db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:33:10, skipping insertion in model container [2022-11-19 06:33:10,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:33:10" (3/3) ... [2022-11-19 06:33:10,552 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2022-11-19 06:33:10,562 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:33:10,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:33:10,576 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-19 06:33:10,576 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:33:10,665 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-19 06:33:10,720 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:33:10,748 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 277 transitions, 570 flow [2022-11-19 06:33:10,758 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 277 transitions, 570 flow [2022-11-19 06:33:10,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 277 transitions, 570 flow [2022-11-19 06:33:10,980 INFO L130 PetriNetUnfolder]: 10/354 cut-off events. [2022-11-19 06:33:10,980 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 06:33:10,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 354 events. 10/354 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 584 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 206. Up to 4 conditions per place. [2022-11-19 06:33:10,992 INFO L119 LiptonReduction]: Number of co-enabled transitions 5880 [2022-11-19 06:36:12,502 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 166 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:36:33,459 WARN L233 SmtUtils]: Spent 11.26s on a formula simplification. DAG size of input: 197 DAG size of output: 191 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:36:46,429 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 203 DAG size of output: 197 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:10,216 WARN L233 SmtUtils]: Spent 19.36s on a formula simplification. DAG size of input: 215 DAG size of output: 211 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:16,327 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:29,908 WARN L233 SmtUtils]: Spent 13.58s on a formula simplification. DAG size of input: 221 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:36,119 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:51,008 WARN L233 SmtUtils]: Spent 9.73s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:53,273 INFO L134 LiptonReduction]: Checked pairs total: 50371 [2022-11-19 06:37:53,274 INFO L136 LiptonReduction]: Total number of compositions: 309 [2022-11-19 06:37:53,293 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 79 transitions, 174 flow [2022-11-19 06:37:53,506 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3141 states, 2949 states have (on average 2.9023397761953205) internal successors, (8559), 3140 states have internal predecessors, (8559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:53,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:37:53,579 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;@54a23846, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:37:53,579 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-19 06:37:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 3141 states, 2949 states have (on average 2.9023397761953205) internal successors, (8559), 3140 states have internal predecessors, (8559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 06:37:53,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:53,598 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 06:37:53,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:37:53,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:53,609 INFO L85 PathProgramCache]: Analyzing trace with hash 978, now seen corresponding path program 1 times [2022-11-19 06:37:53,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:53,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360694181] [2022-11-19 06:37:53,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:53,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:53,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360694181] [2022-11-19 06:37:53,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360694181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:53,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:53,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 06:37:53,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631733070] [2022-11-19 06:37:53,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:53,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:37:53,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:54,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:37:54,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:37:54,035 INFO L87 Difference]: Start difference. First operand has 3141 states, 2949 states have (on average 2.9023397761953205) internal successors, (8559), 3140 states have internal predecessors, (8559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:54,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:54,373 INFO L93 Difference]: Finished difference Result 1018 states and 2518 transitions. [2022-11-19 06:37:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:37:54,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-19 06:37:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:54,405 INFO L225 Difference]: With dead ends: 1018 [2022-11-19 06:37:54,405 INFO L226 Difference]: Without dead ends: 992 [2022-11-19 06:37:54,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:37:54,418 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:54,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-11-19 06:37:54,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2022-11-19 06:37:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 981 states have (on average 2.4994903160040773) internal successors, (2452), 991 states have internal predecessors, (2452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 2452 transitions. [2022-11-19 06:37:54,603 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 2452 transitions. Word has length 1 [2022-11-19 06:37:54,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:54,604 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 2452 transitions. [2022-11-19 06:37:54,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 2452 transitions. [2022-11-19 06:37:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 06:37:54,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:54,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:54,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:37:54,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:37:54,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:54,607 INFO L85 PathProgramCache]: Analyzing trace with hash -4673455, now seen corresponding path program 1 times [2022-11-19 06:37:54,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:54,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878975326] [2022-11-19 06:37:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:54,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:54,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:54,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878975326] [2022-11-19 06:37:54,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878975326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:54,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:54,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:37:54,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721944694] [2022-11-19 06:37:54,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:54,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:54,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:54,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:54,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:54,964 INFO L87 Difference]: Start difference. First operand 992 states and 2452 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:55,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:55,338 INFO L93 Difference]: Finished difference Result 986 states and 2446 transitions. [2022-11-19 06:37:55,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:55,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-19 06:37:55,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:55,346 INFO L225 Difference]: With dead ends: 986 [2022-11-19 06:37:55,346 INFO L226 Difference]: Without dead ends: 986 [2022-11-19 06:37:55,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:55,348 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:55,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2022-11-19 06:37:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 986. [2022-11-19 06:37:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 976 states have (on average 2.5061475409836067) internal successors, (2446), 985 states have internal predecessors, (2446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 2446 transitions. [2022-11-19 06:37:55,392 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 2446 transitions. Word has length 7 [2022-11-19 06:37:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:55,392 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 2446 transitions. [2022-11-19 06:37:55,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 2446 transitions. [2022-11-19 06:37:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 06:37:55,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:55,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:55,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:37:55,394 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:37:55,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:55,395 INFO L85 PathProgramCache]: Analyzing trace with hash -248227481, now seen corresponding path program 1 times [2022-11-19 06:37:55,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:55,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200300234] [2022-11-19 06:37:55,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:55,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:56,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:56,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200300234] [2022-11-19 06:37:56,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200300234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:56,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:56,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:37:56,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557950200] [2022-11-19 06:37:56,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:56,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:37:56,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:56,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:37:56,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:56,072 INFO L87 Difference]: Start difference. First operand 986 states and 2446 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:57,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:57,539 INFO L93 Difference]: Finished difference Result 1065 states and 2645 transitions. [2022-11-19 06:37:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:37:57,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-19 06:37:57,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:57,547 INFO L225 Difference]: With dead ends: 1065 [2022-11-19 06:37:57,548 INFO L226 Difference]: Without dead ends: 1065 [2022-11-19 06:37:57,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:57,549 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:57,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 06:37:57,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2022-11-19 06:37:57,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2022-11-19 06:37:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1056 states have (on average 2.5047348484848486) internal successors, (2645), 1064 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 2645 transitions. [2022-11-19 06:37:57,612 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 2645 transitions. Word has length 7 [2022-11-19 06:37:57,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:57,612 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 2645 transitions. [2022-11-19 06:37:57,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2645 transitions. [2022-11-19 06:37:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 06:37:57,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:57,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:57,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:37:57,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:37:57,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:57,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1883193816, now seen corresponding path program 1 times [2022-11-19 06:37:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:57,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889210264] [2022-11-19 06:37:57,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:57,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:58,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:58,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889210264] [2022-11-19 06:37:58,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889210264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:58,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:58,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:37:58,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900604448] [2022-11-19 06:37:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:58,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:37:58,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:58,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:37:58,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:58,206 INFO L87 Difference]: Start difference. First operand 1065 states and 2645 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:59,730 INFO L93 Difference]: Finished difference Result 1212 states and 2960 transitions. [2022-11-19 06:37:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:37:59,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 06:37:59,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:59,739 INFO L225 Difference]: With dead ends: 1212 [2022-11-19 06:37:59,739 INFO L226 Difference]: Without dead ends: 1212 [2022-11-19 06:37:59,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:37:59,741 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:59,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 06:37:59,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-11-19 06:37:59,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1145. [2022-11-19 06:37:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1136 states have (on average 2.504401408450704) internal successors, (2845), 1144 states have internal predecessors, (2845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2845 transitions. [2022-11-19 06:37:59,786 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 2845 transitions. Word has length 11 [2022-11-19 06:37:59,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:59,787 INFO L495 AbstractCegarLoop]: Abstraction has 1145 states and 2845 transitions. [2022-11-19 06:37:59,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2845 transitions. [2022-11-19 06:37:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:37:59,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:59,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:59,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:37:59,792 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:37:59,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:59,793 INFO L85 PathProgramCache]: Analyzing trace with hash -722959270, now seen corresponding path program 1 times [2022-11-19 06:37:59,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:59,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908941865] [2022-11-19 06:37:59,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:59,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:00,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:00,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908941865] [2022-11-19 06:38:00,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908941865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:00,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:00,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:38:00,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570640707] [2022-11-19 06:38:00,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:00,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:38:00,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:00,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:38:00,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:00,315 INFO L87 Difference]: Start difference. First operand 1145 states and 2845 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:01,249 INFO L93 Difference]: Finished difference Result 1224 states and 3044 transitions. [2022-11-19 06:38:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:38:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 06:38:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:01,259 INFO L225 Difference]: With dead ends: 1224 [2022-11-19 06:38:01,259 INFO L226 Difference]: Without dead ends: 1224 [2022-11-19 06:38:01,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:01,260 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:01,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 06:38:01,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2022-11-19 06:38:01,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1224. [2022-11-19 06:38:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1216 states have (on average 2.5032894736842106) internal successors, (3044), 1223 states have internal predecessors, (3044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 3044 transitions. [2022-11-19 06:38:01,305 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 3044 transitions. Word has length 13 [2022-11-19 06:38:01,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:01,305 INFO L495 AbstractCegarLoop]: Abstraction has 1224 states and 3044 transitions. [2022-11-19 06:38:01,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 3044 transitions. [2022-11-19 06:38:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:38:01,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:01,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:01,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:38:01,309 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:01,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:01,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1720030133, now seen corresponding path program 1 times [2022-11-19 06:38:01,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:01,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444417045] [2022-11-19 06:38:01,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:01,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:01,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444417045] [2022-11-19 06:38:01,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444417045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:01,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:01,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:38:01,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086971045] [2022-11-19 06:38:01,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:01,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:38:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:01,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:38:01,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:38:01,997 INFO L87 Difference]: Start difference. First operand 1224 states and 3044 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:03,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:03,269 INFO L93 Difference]: Finished difference Result 1283 states and 3131 transitions. [2022-11-19 06:38:03,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:38:03,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 06:38:03,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:03,278 INFO L225 Difference]: With dead ends: 1283 [2022-11-19 06:38:03,278 INFO L226 Difference]: Without dead ends: 1283 [2022-11-19 06:38:03,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:38:03,279 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 165 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:03,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 0 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 06:38:03,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2022-11-19 06:38:03,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1164. [2022-11-19 06:38:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1156 states have (on average 2.4775086505190314) internal successors, (2864), 1163 states have internal predecessors, (2864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 2864 transitions. [2022-11-19 06:38:03,322 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 2864 transitions. Word has length 13 [2022-11-19 06:38:03,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:03,323 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 2864 transitions. [2022-11-19 06:38:03,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 2864 transitions. [2022-11-19 06:38:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:38:03,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:03,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:03,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:38:03,326 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:03,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:03,326 INFO L85 PathProgramCache]: Analyzing trace with hash -979291867, now seen corresponding path program 1 times [2022-11-19 06:38:03,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:03,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268074281] [2022-11-19 06:38:03,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:03,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:03,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:03,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:03,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268074281] [2022-11-19 06:38:03,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268074281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:03,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:03,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:38:03,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566420473] [2022-11-19 06:38:03,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:03,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:38:03,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:03,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:38:03,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:38:03,439 INFO L87 Difference]: Start difference. First operand 1164 states and 2864 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:03,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:03,886 INFO L93 Difference]: Finished difference Result 329 states and 709 transitions. [2022-11-19 06:38:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:38:03,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 06:38:03,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:03,890 INFO L225 Difference]: With dead ends: 329 [2022-11-19 06:38:03,890 INFO L226 Difference]: Without dead ends: 329 [2022-11-19 06:38:03,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:38:03,891 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 8 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:03,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 62 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:38:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-11-19 06:38:03,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2022-11-19 06:38:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 325 states have (on average 2.1815384615384614) internal successors, (709), 328 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 709 transitions. [2022-11-19 06:38:03,902 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 709 transitions. Word has length 13 [2022-11-19 06:38:03,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:03,903 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 709 transitions. [2022-11-19 06:38:03,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 709 transitions. [2022-11-19 06:38:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:38:03,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:03,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:03,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:38:03,905 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:03,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:03,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1432888189, now seen corresponding path program 1 times [2022-11-19 06:38:03,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:03,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508171534] [2022-11-19 06:38:03,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:03,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:04,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:04,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508171534] [2022-11-19 06:38:04,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508171534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:04,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:04,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:38:04,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854876456] [2022-11-19 06:38:04,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:04,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:38:04,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:04,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:38:04,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:38:04,738 INFO L87 Difference]: Start difference. First operand 329 states and 709 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:07,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:07,450 INFO L93 Difference]: Finished difference Result 365 states and 740 transitions. [2022-11-19 06:38:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 06:38:07,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 06:38:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:07,453 INFO L225 Difference]: With dead ends: 365 [2022-11-19 06:38:07,454 INFO L226 Difference]: Without dead ends: 365 [2022-11-19 06:38:07,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-11-19 06:38:07,455 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 137 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:07,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 0 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-19 06:38:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-11-19 06:38:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 309. [2022-11-19 06:38:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 305 states have (on average 2.1934426229508195) internal successors, (669), 308 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 669 transitions. [2022-11-19 06:38:07,467 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 669 transitions. Word has length 15 [2022-11-19 06:38:07,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:07,467 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 669 transitions. [2022-11-19 06:38:07,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 669 transitions. [2022-11-19 06:38:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:38:07,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:07,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:07,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:38:07,470 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:07,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:07,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2066652462, now seen corresponding path program 1 times [2022-11-19 06:38:07,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:07,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852419976] [2022-11-19 06:38:07,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:08,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:08,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852419976] [2022-11-19 06:38:08,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852419976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:08,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:08,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:08,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757223503] [2022-11-19 06:38:08,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:08,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:08,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:08,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:08,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:08,435 INFO L87 Difference]: Start difference. First operand 309 states and 669 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:10,272 INFO L93 Difference]: Finished difference Result 442 states and 902 transitions. [2022-11-19 06:38:10,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:38:10,274 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 06:38:10,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:10,276 INFO L225 Difference]: With dead ends: 442 [2022-11-19 06:38:10,276 INFO L226 Difference]: Without dead ends: 442 [2022-11-19 06:38:10,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:38:10,277 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:10,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 0 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 06:38:10,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-11-19 06:38:10,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 331. [2022-11-19 06:38:10,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 327 states have (on average 2.2048929663608563) internal successors, (721), 330 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 721 transitions. [2022-11-19 06:38:10,289 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 721 transitions. Word has length 15 [2022-11-19 06:38:10,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:10,290 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 721 transitions. [2022-11-19 06:38:10,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:10,290 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 721 transitions. [2022-11-19 06:38:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:38:10,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:10,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:10,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:38:10,292 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:10,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:10,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1828299972, now seen corresponding path program 2 times [2022-11-19 06:38:10,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:10,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89761266] [2022-11-19 06:38:10,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:10,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:11,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:11,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:11,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89761266] [2022-11-19 06:38:11,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89761266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:11,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:11,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:11,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190287463] [2022-11-19 06:38:11,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:11,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:11,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:11,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:11,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:11,179 INFO L87 Difference]: Start difference. First operand 331 states and 721 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:13,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:13,022 INFO L93 Difference]: Finished difference Result 472 states and 976 transitions. [2022-11-19 06:38:13,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:38:13,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 06:38:13,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:13,026 INFO L225 Difference]: With dead ends: 472 [2022-11-19 06:38:13,026 INFO L226 Difference]: Without dead ends: 472 [2022-11-19 06:38:13,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2022-11-19 06:38:13,027 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 154 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:13,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 0 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 06:38:13,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-11-19 06:38:13,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 345. [2022-11-19 06:38:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 341 states have (on average 2.219941348973607) internal successors, (757), 344 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 757 transitions. [2022-11-19 06:38:13,037 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 757 transitions. Word has length 15 [2022-11-19 06:38:13,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:13,037 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 757 transitions. [2022-11-19 06:38:13,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:13,038 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 757 transitions. [2022-11-19 06:38:13,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:38:13,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:13,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:13,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 06:38:13,039 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:13,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1379433886, now seen corresponding path program 3 times [2022-11-19 06:38:13,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:13,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942896449] [2022-11-19 06:38:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:13,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:13,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942896449] [2022-11-19 06:38:13,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942896449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:13,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:13,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:13,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184566590] [2022-11-19 06:38:13,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:13,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:13,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:13,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:13,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:13,787 INFO L87 Difference]: Start difference. First operand 345 states and 757 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:15,734 INFO L93 Difference]: Finished difference Result 502 states and 1050 transitions. [2022-11-19 06:38:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 06:38:15,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 06:38:15,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:15,739 INFO L225 Difference]: With dead ends: 502 [2022-11-19 06:38:15,739 INFO L226 Difference]: Without dead ends: 502 [2022-11-19 06:38:15,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2022-11-19 06:38:15,740 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 180 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:15,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 0 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 06:38:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2022-11-19 06:38:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 359. [2022-11-19 06:38:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 355 states have (on average 2.2338028169014086) internal successors, (793), 358 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:15,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 793 transitions. [2022-11-19 06:38:15,749 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 793 transitions. Word has length 15 [2022-11-19 06:38:15,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:15,750 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 793 transitions. [2022-11-19 06:38:15,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:15,750 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 793 transitions. [2022-11-19 06:38:15,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:38:15,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:15,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:15,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 06:38:15,752 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:15,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash 994901342, now seen corresponding path program 4 times [2022-11-19 06:38:15,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:15,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031333402] [2022-11-19 06:38:15,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:16,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:16,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031333402] [2022-11-19 06:38:16,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031333402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:16,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:16,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:16,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888844528] [2022-11-19 06:38:16,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:16,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:16,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:16,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:16,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:16,352 INFO L87 Difference]: Start difference. First operand 359 states and 793 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:18,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:18,476 INFO L93 Difference]: Finished difference Result 532 states and 1124 transitions. [2022-11-19 06:38:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:38:18,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 06:38:18,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:18,479 INFO L225 Difference]: With dead ends: 532 [2022-11-19 06:38:18,479 INFO L226 Difference]: Without dead ends: 532 [2022-11-19 06:38:18,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-11-19 06:38:18,480 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 112 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:18,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 0 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 06:38:18,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-11-19 06:38:18,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 373. [2022-11-19 06:38:18,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 369 states have (on average 2.2466124661246614) internal successors, (829), 372 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:18,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 829 transitions. [2022-11-19 06:38:18,491 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 829 transitions. Word has length 15 [2022-11-19 06:38:18,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:18,491 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 829 transitions. [2022-11-19 06:38:18,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 829 transitions. [2022-11-19 06:38:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:38:18,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:18,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:18,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 06:38:18,493 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:18,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:18,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1339949868, now seen corresponding path program 5 times [2022-11-19 06:38:18,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:18,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702998551] [2022-11-19 06:38:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:18,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:19,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:19,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702998551] [2022-11-19 06:38:19,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702998551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:19,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:19,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:19,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808569015] [2022-11-19 06:38:19,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:19,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:19,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:19,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:19,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:19,064 INFO L87 Difference]: Start difference. First operand 373 states and 829 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:20,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:20,563 INFO L93 Difference]: Finished difference Result 457 states and 952 transitions. [2022-11-19 06:38:20,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 06:38:20,563 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 06:38:20,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:20,566 INFO L225 Difference]: With dead ends: 457 [2022-11-19 06:38:20,566 INFO L226 Difference]: Without dead ends: 457 [2022-11-19 06:38:20,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-11-19 06:38:20,567 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 160 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:20,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 0 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 06:38:20,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-19 06:38:20,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 321. [2022-11-19 06:38:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 317 states have (on average 2.186119873817035) internal successors, (693), 320 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 693 transitions. [2022-11-19 06:38:20,576 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 693 transitions. Word has length 15 [2022-11-19 06:38:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:20,577 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 693 transitions. [2022-11-19 06:38:20,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 693 transitions. [2022-11-19 06:38:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:20,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:20,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:20,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 06:38:20,578 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:20,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:20,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1461087481, now seen corresponding path program 1 times [2022-11-19 06:38:20,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:20,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788229430] [2022-11-19 06:38:20,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:20,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:20,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:20,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788229430] [2022-11-19 06:38:20,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788229430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:20,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:20,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:38:20,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980708087] [2022-11-19 06:38:20,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:20,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:38:20,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:38:20,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:20,945 INFO L87 Difference]: Start difference. First operand 321 states and 693 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:21,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:21,395 INFO L93 Difference]: Finished difference Result 320 states and 692 transitions. [2022-11-19 06:38:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:38:21,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:21,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:21,398 INFO L225 Difference]: With dead ends: 320 [2022-11-19 06:38:21,399 INFO L226 Difference]: Without dead ends: 320 [2022-11-19 06:38:21,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:21,399 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:21,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 16 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:38:21,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-11-19 06:38:21,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2022-11-19 06:38:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 317 states have (on average 2.182965299684543) internal successors, (692), 319 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 692 transitions. [2022-11-19 06:38:21,408 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 692 transitions. Word has length 19 [2022-11-19 06:38:21,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:21,408 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 692 transitions. [2022-11-19 06:38:21,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 692 transitions. [2022-11-19 06:38:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:21,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:21,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:21,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 06:38:21,410 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:21,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:21,411 INFO L85 PathProgramCache]: Analyzing trace with hash -819361295, now seen corresponding path program 1 times [2022-11-19 06:38:21,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:21,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170055193] [2022-11-19 06:38:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:21,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:22,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:22,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170055193] [2022-11-19 06:38:22,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170055193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:22,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:22,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:38:22,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880135859] [2022-11-19 06:38:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:22,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:38:22,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:38:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:38:22,228 INFO L87 Difference]: Start difference. First operand 320 states and 692 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:24,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:24,291 INFO L93 Difference]: Finished difference Result 420 states and 841 transitions. [2022-11-19 06:38:24,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 06:38:24,291 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:24,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:24,294 INFO L225 Difference]: With dead ends: 420 [2022-11-19 06:38:24,295 INFO L226 Difference]: Without dead ends: 420 [2022-11-19 06:38:24,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2022-11-19 06:38:24,296 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 135 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:24,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 58 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 06:38:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-11-19 06:38:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 326. [2022-11-19 06:38:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 323 states have (on average 2.2043343653250775) internal successors, (712), 325 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 712 transitions. [2022-11-19 06:38:24,306 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 712 transitions. Word has length 19 [2022-11-19 06:38:24,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:24,306 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 712 transitions. [2022-11-19 06:38:24,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 712 transitions. [2022-11-19 06:38:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:24,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:24,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:24,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 06:38:24,308 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:24,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:24,309 INFO L85 PathProgramCache]: Analyzing trace with hash -581008805, now seen corresponding path program 2 times [2022-11-19 06:38:24,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:24,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125181598] [2022-11-19 06:38:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:24,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:25,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:25,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125181598] [2022-11-19 06:38:25,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125181598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:25,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:25,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:38:25,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674413682] [2022-11-19 06:38:25,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:25,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:38:25,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:25,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:38:25,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:38:25,113 INFO L87 Difference]: Start difference. First operand 326 states and 712 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:27,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:27,049 INFO L93 Difference]: Finished difference Result 448 states and 911 transitions. [2022-11-19 06:38:27,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-19 06:38:27,050 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:27,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:27,052 INFO L225 Difference]: With dead ends: 448 [2022-11-19 06:38:27,053 INFO L226 Difference]: Without dead ends: 448 [2022-11-19 06:38:27,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2022-11-19 06:38:27,054 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 138 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:27,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 56 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 06:38:27,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2022-11-19 06:38:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 332. [2022-11-19 06:38:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 329 states have (on average 2.2249240121580547) internal successors, (732), 331 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 732 transitions. [2022-11-19 06:38:27,062 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 732 transitions. Word has length 19 [2022-11-19 06:38:27,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:27,063 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 732 transitions. [2022-11-19 06:38:27,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 732 transitions. [2022-11-19 06:38:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:27,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:27,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:27,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 06:38:27,064 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:27,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1668242243, now seen corresponding path program 3 times [2022-11-19 06:38:27,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:27,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896354725] [2022-11-19 06:38:27,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:27,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:27,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:27,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896354725] [2022-11-19 06:38:27,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896354725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:27,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:27,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:38:27,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575458204] [2022-11-19 06:38:27,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:27,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:38:27,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:27,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:38:27,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:38:27,823 INFO L87 Difference]: Start difference. First operand 332 states and 732 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:29,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:29,732 INFO L93 Difference]: Finished difference Result 476 states and 981 transitions. [2022-11-19 06:38:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 06:38:29,733 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:29,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:29,734 INFO L225 Difference]: With dead ends: 476 [2022-11-19 06:38:29,734 INFO L226 Difference]: Without dead ends: 476 [2022-11-19 06:38:29,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-11-19 06:38:29,735 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 139 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:29,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 56 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 06:38:29,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-11-19 06:38:29,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 338. [2022-11-19 06:38:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 335 states have (on average 2.244776119402985) internal successors, (752), 337 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 752 transitions. [2022-11-19 06:38:29,744 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 752 transitions. Word has length 19 [2022-11-19 06:38:29,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:29,744 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 752 transitions. [2022-11-19 06:38:29,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 752 transitions. [2022-11-19 06:38:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:29,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:29,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:29,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 06:38:29,746 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:29,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:29,746 INFO L85 PathProgramCache]: Analyzing trace with hash -2052774787, now seen corresponding path program 4 times [2022-11-19 06:38:29,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:29,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530728923] [2022-11-19 06:38:29,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:29,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:30,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:30,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530728923] [2022-11-19 06:38:30,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530728923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:30,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:30,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:38:30,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652923370] [2022-11-19 06:38:30,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:30,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:38:30,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:30,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:38:30,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:38:30,477 INFO L87 Difference]: Start difference. First operand 338 states and 752 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:33,417 INFO L93 Difference]: Finished difference Result 504 states and 1051 transitions. [2022-11-19 06:38:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-19 06:38:33,417 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:33,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:33,420 INFO L225 Difference]: With dead ends: 504 [2022-11-19 06:38:33,420 INFO L226 Difference]: Without dead ends: 504 [2022-11-19 06:38:33,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=244, Invalid=512, Unknown=0, NotChecked=0, Total=756 [2022-11-19 06:38:33,421 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 160 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:33,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 0 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-19 06:38:33,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-11-19 06:38:33,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 344. [2022-11-19 06:38:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 341 states have (on average 2.2639296187683287) internal successors, (772), 343 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 772 transitions. [2022-11-19 06:38:33,430 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 772 transitions. Word has length 19 [2022-11-19 06:38:33,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:33,430 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 772 transitions. [2022-11-19 06:38:33,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 772 transitions. [2022-11-19 06:38:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:33,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:33,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:33,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 06:38:33,432 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:33,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:33,432 INFO L85 PathProgramCache]: Analyzing trace with hash 507873449, now seen corresponding path program 5 times [2022-11-19 06:38:33,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:33,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123854945] [2022-11-19 06:38:33,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:33,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:34,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:34,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123854945] [2022-11-19 06:38:34,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123854945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:34,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:34,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:38:34,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512874024] [2022-11-19 06:38:34,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:34,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:38:34,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:34,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:38:34,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:38:34,145 INFO L87 Difference]: Start difference. First operand 344 states and 772 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:37,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:37,355 INFO L93 Difference]: Finished difference Result 555 states and 1151 transitions. [2022-11-19 06:38:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 06:38:37,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:37,358 INFO L225 Difference]: With dead ends: 555 [2022-11-19 06:38:37,358 INFO L226 Difference]: Without dead ends: 555 [2022-11-19 06:38:37,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2022-11-19 06:38:37,359 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 201 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:37,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 0 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-19 06:38:37,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-11-19 06:38:37,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 356. [2022-11-19 06:38:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 353 states have (on average 2.2889518413597734) internal successors, (808), 355 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 808 transitions. [2022-11-19 06:38:37,369 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 808 transitions. Word has length 19 [2022-11-19 06:38:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:37,369 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 808 transitions. [2022-11-19 06:38:37,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 808 transitions. [2022-11-19 06:38:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:37,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:37,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:37,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 06:38:37,371 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:37,371 INFO L85 PathProgramCache]: Analyzing trace with hash 804285675, now seen corresponding path program 6 times [2022-11-19 06:38:37,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:37,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530877814] [2022-11-19 06:38:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:38,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:38,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530877814] [2022-11-19 06:38:38,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530877814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:38,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:38,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:38:38,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382361730] [2022-11-19 06:38:38,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:38,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:38:38,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:38,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:38:38,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:38:38,025 INFO L87 Difference]: Start difference. First operand 356 states and 808 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:41,215 INFO L93 Difference]: Finished difference Result 604 states and 1287 transitions. [2022-11-19 06:38:41,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-19 06:38:41,215 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:41,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:41,219 INFO L225 Difference]: With dead ends: 604 [2022-11-19 06:38:41,219 INFO L226 Difference]: Without dead ends: 604 [2022-11-19 06:38:41,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=399, Unknown=0, NotChecked=0, Total=600 [2022-11-19 06:38:41,219 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 158 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:41,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 59 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-19 06:38:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-11-19 06:38:41,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 332. [2022-11-19 06:38:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 329 states have (on average 2.2613981762917934) internal successors, (744), 331 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 744 transitions. [2022-11-19 06:38:41,228 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 744 transitions. Word has length 19 [2022-11-19 06:38:41,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:41,229 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 744 transitions. [2022-11-19 06:38:41,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 744 transitions. [2022-11-19 06:38:41,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 06:38:41,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:41,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:41,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 06:38:41,231 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:41,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:41,231 INFO L85 PathProgramCache]: Analyzing trace with hash -903541115, now seen corresponding path program 7 times [2022-11-19 06:38:41,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:41,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19151784] [2022-11-19 06:38:41,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:41,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:41,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:41,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19151784] [2022-11-19 06:38:41,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19151784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:41,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:41,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:38:41,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168140749] [2022-11-19 06:38:41,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:41,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 06:38:41,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:41,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 06:38:41,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:38:41,851 INFO L87 Difference]: Start difference. First operand 332 states and 744 transitions. Second operand has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:45,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:45,724 INFO L93 Difference]: Finished difference Result 578 states and 1184 transitions. [2022-11-19 06:38:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-19 06:38:45,727 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 06:38:45,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:45,729 INFO L225 Difference]: With dead ends: 578 [2022-11-19 06:38:45,729 INFO L226 Difference]: Without dead ends: 578 [2022-11-19 06:38:45,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=225, Invalid=531, Unknown=0, NotChecked=0, Total=756 [2022-11-19 06:38:45,731 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 170 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:45,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 111 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 06:38:45,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-11-19 06:38:45,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 283. [2022-11-19 06:38:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 281 states have (on average 2.2170818505338077) internal successors, (623), 282 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 623 transitions. [2022-11-19 06:38:45,739 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 623 transitions. Word has length 19 [2022-11-19 06:38:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:45,740 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 623 transitions. [2022-11-19 06:38:45,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 623 transitions. [2022-11-19 06:38:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 06:38:45,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:45,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:45,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 06:38:45,741 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:45,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:45,742 INFO L85 PathProgramCache]: Analyzing trace with hash -856252973, now seen corresponding path program 1 times [2022-11-19 06:38:45,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:45,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542651089] [2022-11-19 06:38:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:45,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:46,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:46,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542651089] [2022-11-19 06:38:46,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542651089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:46,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:46,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:38:46,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476356153] [2022-11-19 06:38:46,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:46,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:38:46,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:46,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:38:46,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:46,264 INFO L87 Difference]: Start difference. First operand 283 states and 623 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:47,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:47,450 INFO L93 Difference]: Finished difference Result 297 states and 643 transitions. [2022-11-19 06:38:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:38:47,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-19 06:38:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:47,453 INFO L225 Difference]: With dead ends: 297 [2022-11-19 06:38:47,454 INFO L226 Difference]: Without dead ends: 297 [2022-11-19 06:38:47,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:47,454 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:47,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 27 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 06:38:47,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-11-19 06:38:47,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2022-11-19 06:38:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 291 states have (on average 2.195876288659794) internal successors, (639), 292 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 639 transitions. [2022-11-19 06:38:47,460 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 639 transitions. Word has length 23 [2022-11-19 06:38:47,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:47,460 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 639 transitions. [2022-11-19 06:38:47,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 639 transitions. [2022-11-19 06:38:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 06:38:47,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:47,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:47,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-19 06:38:47,462 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:47,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:47,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1603243478, now seen corresponding path program 1 times [2022-11-19 06:38:47,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:47,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062473907] [2022-11-19 06:38:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:47,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:47,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:47,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062473907] [2022-11-19 06:38:47,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062473907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:47,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:47,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:38:47,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246923439] [2022-11-19 06:38:47,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:47,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:38:47,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:47,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:38:47,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:47,828 INFO L87 Difference]: Start difference. First operand 293 states and 639 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:48,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:48,214 INFO L93 Difference]: Finished difference Result 292 states and 638 transitions. [2022-11-19 06:38:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:38:48,215 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-19 06:38:48,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:48,216 INFO L225 Difference]: With dead ends: 292 [2022-11-19 06:38:48,216 INFO L226 Difference]: Without dead ends: 215 [2022-11-19 06:38:48,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:38:48,217 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:48,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 15 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:38:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-19 06:38:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2022-11-19 06:38:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 2.2570093457943927) internal successors, (483), 214 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 483 transitions. [2022-11-19 06:38:48,222 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 483 transitions. Word has length 25 [2022-11-19 06:38:48,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:48,222 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 483 transitions. [2022-11-19 06:38:48,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 483 transitions. [2022-11-19 06:38:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 06:38:48,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:48,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:48,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-19 06:38:48,225 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1153466712, now seen corresponding path program 1 times [2022-11-19 06:38:48,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:48,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842095938] [2022-11-19 06:38:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:48,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:48,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842095938] [2022-11-19 06:38:48,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842095938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:48,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:48,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:38:48,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533710753] [2022-11-19 06:38:48,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:48,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:38:48,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:48,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:38:48,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:38:48,910 INFO L87 Difference]: Start difference. First operand 215 states and 483 transitions. Second operand has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:49,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:49,390 INFO L93 Difference]: Finished difference Result 213 states and 479 transitions. [2022-11-19 06:38:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:38:49,391 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-19 06:38:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:49,393 INFO L225 Difference]: With dead ends: 213 [2022-11-19 06:38:49,393 INFO L226 Difference]: Without dead ends: 213 [2022-11-19 06:38:49,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:38:49,396 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:49,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 5 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:38:49,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-11-19 06:38:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 205. [2022-11-19 06:38:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 2.2794117647058822) internal successors, (465), 204 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 465 transitions. [2022-11-19 06:38:49,401 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 465 transitions. Word has length 25 [2022-11-19 06:38:49,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:49,401 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 465 transitions. [2022-11-19 06:38:49,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 465 transitions. [2022-11-19 06:38:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:38:49,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:49,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:49,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-19 06:38:49,403 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:49,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:49,403 INFO L85 PathProgramCache]: Analyzing trace with hash 380240187, now seen corresponding path program 1 times [2022-11-19 06:38:49,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:49,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490737127] [2022-11-19 06:38:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:49,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:50,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:50,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490737127] [2022-11-19 06:38:50,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490737127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:50,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:50,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:50,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954172667] [2022-11-19 06:38:50,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:50,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:50,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:50,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:50,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:50,147 INFO L87 Difference]: Start difference. First operand 205 states and 465 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:50,925 INFO L93 Difference]: Finished difference Result 208 states and 467 transitions. [2022-11-19 06:38:50,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:38:50,925 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:38:50,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:50,926 INFO L225 Difference]: With dead ends: 208 [2022-11-19 06:38:50,926 INFO L226 Difference]: Without dead ends: 203 [2022-11-19 06:38:50,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:38:50,927 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:50,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 5 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:38:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-11-19 06:38:50,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-11-19 06:38:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 2.282178217821782) internal successors, (461), 202 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 461 transitions. [2022-11-19 06:38:50,931 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 461 transitions. Word has length 27 [2022-11-19 06:38:50,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:50,931 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 461 transitions. [2022-11-19 06:38:50,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 461 transitions. [2022-11-19 06:38:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:38:50,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:50,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:50,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-19 06:38:50,933 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:50,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:50,933 INFO L85 PathProgramCache]: Analyzing trace with hash 779279937, now seen corresponding path program 2 times [2022-11-19 06:38:50,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:50,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901793920] [2022-11-19 06:38:50,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:50,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:51,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:51,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901793920] [2022-11-19 06:38:51,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901793920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:51,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:51,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:51,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383118553] [2022-11-19 06:38:51,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:51,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:51,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:51,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:51,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:51,679 INFO L87 Difference]: Start difference. First operand 203 states and 461 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:52,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:52,286 INFO L93 Difference]: Finished difference Result 209 states and 468 transitions. [2022-11-19 06:38:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:38:52,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:38:52,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:52,287 INFO L225 Difference]: With dead ends: 209 [2022-11-19 06:38:52,287 INFO L226 Difference]: Without dead ends: 201 [2022-11-19 06:38:52,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2022-11-19 06:38:52,288 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:52,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 5 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:38:52,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-19 06:38:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-19 06:38:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 2.285) internal successors, (457), 200 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 457 transitions. [2022-11-19 06:38:52,293 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 457 transitions. Word has length 27 [2022-11-19 06:38:52,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:52,294 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 457 transitions. [2022-11-19 06:38:52,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 457 transitions. [2022-11-19 06:38:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:38:52,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:52,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:52,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 06:38:52,295 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:52,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:52,296 INFO L85 PathProgramCache]: Analyzing trace with hash 350494869, now seen corresponding path program 3 times [2022-11-19 06:38:52,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:52,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401911645] [2022-11-19 06:38:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:52,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:52,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:52,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:52,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401911645] [2022-11-19 06:38:52,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401911645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:52,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:52,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:52,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922162020] [2022-11-19 06:38:52,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:52,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:52,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:52,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:52,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:52,925 INFO L87 Difference]: Start difference. First operand 201 states and 457 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:53,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:53,565 INFO L93 Difference]: Finished difference Result 210 states and 469 transitions. [2022-11-19 06:38:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 06:38:53,565 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:38:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:53,566 INFO L225 Difference]: With dead ends: 210 [2022-11-19 06:38:53,567 INFO L226 Difference]: Without dead ends: 199 [2022-11-19 06:38:53,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2022-11-19 06:38:53,575 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:53,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 5 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:38:53,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-19 06:38:53,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-11-19 06:38:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 2.287878787878788) internal successors, (453), 198 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 453 transitions. [2022-11-19 06:38:53,581 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 453 transitions. Word has length 27 [2022-11-19 06:38:53,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:53,581 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 453 transitions. [2022-11-19 06:38:53,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 453 transitions. [2022-11-19 06:38:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:38:53,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:53,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:53,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-19 06:38:53,582 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:53,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:53,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2015320435, now seen corresponding path program 4 times [2022-11-19 06:38:53,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:53,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520552545] [2022-11-19 06:38:53,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:53,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:54,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:54,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520552545] [2022-11-19 06:38:54,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520552545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:54,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:54,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:54,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140639251] [2022-11-19 06:38:54,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:54,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:54,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:54,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:54,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:54,243 INFO L87 Difference]: Start difference. First operand 199 states and 453 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:54,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:54,964 INFO L93 Difference]: Finished difference Result 211 states and 470 transitions. [2022-11-19 06:38:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:38:54,965 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:38:54,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:54,966 INFO L225 Difference]: With dead ends: 211 [2022-11-19 06:38:54,966 INFO L226 Difference]: Without dead ends: 197 [2022-11-19 06:38:54,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-11-19 06:38:54,967 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:54,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 5 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:38:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-19 06:38:54,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-11-19 06:38:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 2.2908163265306123) internal successors, (449), 196 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 449 transitions. [2022-11-19 06:38:54,973 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 449 transitions. Word has length 27 [2022-11-19 06:38:54,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:54,974 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 449 transitions. [2022-11-19 06:38:54,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 449 transitions. [2022-11-19 06:38:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:38:54,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:54,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:54,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-19 06:38:54,976 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-19 06:38:54,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:54,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1629661333, now seen corresponding path program 5 times [2022-11-19 06:38:54,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:54,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063994342] [2022-11-19 06:38:54,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:54,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:55,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:55,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063994342] [2022-11-19 06:38:55,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063994342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:55,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:55,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:38:55,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394604278] [2022-11-19 06:38:55,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:55,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:38:55,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:55,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:38:55,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:38:55,558 INFO L87 Difference]: Start difference. First operand 197 states and 449 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:56,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:56,074 INFO L93 Difference]: Finished difference Result 196 states and 448 transitions. [2022-11-19 06:38:56,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:38:56,074 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:38:56,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:56,074 INFO L225 Difference]: With dead ends: 196 [2022-11-19 06:38:56,074 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:38:56,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:38:56,075 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 40 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:56,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 15 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:38:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:38:56,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:38:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:38:56,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-19 06:38:56,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:56,077 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:38:56,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:38:56,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:38:56,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-11-19 06:38:56,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-11-19 06:38:56,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-11-19 06:38:56,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-11-19 06:38:56,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-11-19 06:38:56,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-11-19 06:38:56,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-11-19 06:38:56,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-11-19 06:38:56,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-11-19 06:38:56,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-11-19 06:38:56,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-11-19 06:38:56,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-11-19 06:38:56,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-11-19 06:38:56,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-11-19 06:38:56,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-11-19 06:38:56,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-11-19 06:38:56,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-11-19 06:38:56,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-11-19 06:38:56,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-11-19 06:38:56,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-19 06:38:56,086 INFO L444 BasicCegarLoop]: Path program histogram: [7, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:56,090 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 06:38:56,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:38:56,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:38:56 BasicIcfg [2022-11-19 06:38:56,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:38:56,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:38:56,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:38:56,094 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:38:56,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:33:10" (3/4) ... [2022-11-19 06:38:56,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:38:56,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-11-19 06:38:56,105 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-19 06:38:56,106 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 06:38:56,106 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 06:38:56,107 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:38:56,152 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:38:56,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:38:56,153 INFO L158 Benchmark]: Toolchain (without parser) took 348840.17ms. Allocated memory was 144.7MB in the beginning and 276.8MB in the end (delta: 132.1MB). Free memory was 108.2MB in the beginning and 119.7MB in the end (delta: -11.5MB). Peak memory consumption was 120.1MB. Max. memory is 16.1GB. [2022-11-19 06:38:56,153 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:38:56,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1572.29ms. Allocated memory is still 144.7MB. Free memory was 107.9MB in the beginning and 78.2MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-19 06:38:56,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.20ms. Allocated memory is still 144.7MB. Free memory was 78.2MB in the beginning and 74.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:38:56,154 INFO L158 Benchmark]: Boogie Preprocessor took 130.59ms. Allocated memory is still 144.7MB. Free memory was 74.0MB in the beginning and 69.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:38:56,155 INFO L158 Benchmark]: RCFGBuilder took 1347.00ms. Allocated memory is still 144.7MB. Free memory was 69.8MB in the beginning and 103.4MB in the end (delta: -33.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-19 06:38:56,155 INFO L158 Benchmark]: TraceAbstraction took 345548.85ms. Allocated memory was 144.7MB in the beginning and 276.8MB in the end (delta: 132.1MB). Free memory was 103.4MB in the beginning and 125.0MB in the end (delta: -21.6MB). Peak memory consumption was 110.5MB. Max. memory is 16.1GB. [2022-11-19 06:38:56,155 INFO L158 Benchmark]: Witness Printer took 59.37ms. Allocated memory is still 276.8MB. Free memory was 125.0MB in the beginning and 119.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:38:56,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1572.29ms. Allocated memory is still 144.7MB. Free memory was 107.9MB in the beginning and 78.2MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.20ms. Allocated memory is still 144.7MB. Free memory was 78.2MB in the beginning and 74.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.59ms. Allocated memory is still 144.7MB. Free memory was 74.0MB in the beginning and 69.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1347.00ms. Allocated memory is still 144.7MB. Free memory was 69.8MB in the beginning and 103.4MB in the end (delta: -33.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * TraceAbstraction took 345548.85ms. Allocated memory was 144.7MB in the beginning and 276.8MB in the end (delta: 132.1MB). Free memory was 103.4MB in the beginning and 125.0MB in the end (delta: -21.6MB). Peak memory consumption was 110.5MB. Max. memory is 16.1GB. * Witness Printer took 59.37ms. Allocated memory is still 276.8MB. Free memory was 125.0MB in the beginning and 119.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.5s, 275 PlacesBefore, 82 PlacesAfterwards, 277 TransitionsBefore, 79 TransitionsAfterwards, 5880 CoEnabledTransitionPairs, 20 FixpointIterations, 174 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 29 ConcurrentYvCompositions, 5 ChoiceCompositions, 309 TotalNumberOfCompositions, 50371 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9803, independent: 7807, independent conditional: 0, independent unconditional: 7807, dependent: 1419, dependent conditional: 0, dependent unconditional: 1419, unknown: 577, unknown conditional: 0, unknown unconditional: 577] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4087, independent: 3879, independent conditional: 0, independent unconditional: 3879, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 50, unknown conditional: 0, unknown unconditional: 50] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4087, independent: 3330, independent conditional: 0, independent unconditional: 3330, dependent: 757, dependent conditional: 0, dependent unconditional: 757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 757, independent: 549, independent conditional: 0, independent unconditional: 549, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 50, unknown conditional: 0, unknown unconditional: 50] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145024, independent: 1376, independent conditional: 0, independent unconditional: 1376, dependent: 39404, dependent conditional: 0, dependent unconditional: 39404, unknown: 104244, unknown conditional: 0, unknown unconditional: 104244] ], Cache Queries: [ total: 9803, independent: 3928, independent conditional: 0, independent unconditional: 3928, dependent: 1261, dependent conditional: 0, dependent unconditional: 1261, unknown: 4614, unknown conditional: 0, unknown unconditional: 4614] , Statistics on independence cache: Total cache size (in pairs): 290, Positive cache size: 219, Positive conditional cache size: 0, Positive unconditional cache size: 219, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Unknown cache size: 25, Unknown conditional cache size: 0, Unknown unconditional cache size: 25 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 287 locations, 27 error locations. Started 1 CEGAR loops. OverallTime: 345.3s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 43.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 282.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2528 SdHoareTripleChecker+Valid, 38.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2528 mSDsluCounter, 684 SdHoareTripleChecker+Invalid, 36.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 239 mSDsCounter, 1066 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10785 IncrementalHoareTripleChecker+Invalid, 11851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1066 mSolverCounterUnsat, 445 mSDtfsCounter, 10785 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3141occurred in iteration=0, InterpolantAutomatonStates: 292, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 29 MinimizatonAttempts, 2204 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 515 NumberOfCodeBlocks, 515 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 486 ConstructedInterpolants, 0 QuantifiedInterpolants, 5368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 06:38:56,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3590569d-262c-4f61-a132-60ba0353ca1c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE