./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/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_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 22:32:27,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:32:27,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:32:27,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:32:27,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:32:27,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:32:27,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:32:27,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:32:27,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:32:27,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:32:27,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:32:27,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:32:27,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:32:27,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:32:27,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:32:27,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:32:27,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:32:27,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:32:27,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:32:27,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:32:27,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:32:27,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:32:27,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:32:27,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:32:27,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:32:27,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:32:27,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:32:27,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:32:27,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:32:27,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:32:27,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:32:27,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:32:27,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:32:27,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:32:27,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:32:27,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:32:27,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:32:27,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:32:27,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:32:27,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:32:27,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:32:27,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 22:32:27,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:32:27,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:32:27,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:32:27,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:32:27,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:32:27,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:32:27,868 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:32:27,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:32:27,868 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:32:27,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:32:27,869 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:32:27,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:32:27,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:32:27,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:32:27,870 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:32:27,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:32:27,871 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:32:27,871 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:32:27,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:32:27,872 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:32:27,872 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:32:27,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:32:27,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:32:27,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:32:27,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:32:27,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:32:27,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:32:27,873 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 22:32:27,874 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:32:27,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:32:27,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:32:27,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:32:27,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:32:27,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:32:27,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:32:27,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:32:27,876 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:32:27,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:32:27,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:32:27,876 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:32:27,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:32:27,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:32:27,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:32:27,877 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_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 [2022-11-25 22:32:28,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:32:28,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:32:28,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:32:28,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:32:28,174 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:32:28,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-11-25 22:32:31,176 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:32:31,502 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:32:31,507 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-11-25 22:32:31,530 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/data/655e12fa0/1b845bfae83a4ed59e6775ab8fd762bb/FLAGc1f1248cf [2022-11-25 22:32:31,545 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/data/655e12fa0/1b845bfae83a4ed59e6775ab8fd762bb [2022-11-25 22:32:31,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:32:31,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:32:31,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:32:31,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:32:31,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:32:31,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:32:31" (1/1) ... [2022-11-25 22:32:31,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5099976b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:31, skipping insertion in model container [2022-11-25 22:32:31,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:32:31" (1/1) ... [2022-11-25 22:32:31,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:32:31,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:32:31,767 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:32:32,373 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-11-25 22:32:32,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:32:32,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:32:32,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:32:32,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:32:32,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:32:32,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:32:32,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:32:32,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:32:32,465 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:32:32,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-11-25 22:32:32,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:32:32,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:32:32,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:32:32,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:32:32,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:32:32,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:32:32,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:32:32,677 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:32:32,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32 WrapperNode [2022-11-25 22:32:32,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:32:32,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:32:32,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:32:32,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:32:32,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,742 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-11-25 22:32:32,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:32:32,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:32:32,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:32:32,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:32:32,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:32:32,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:32:32,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:32:32,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:32:32,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (1/1) ... [2022-11-25 22:32:32,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:32:32,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:32,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:32:32,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:32:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 22:32:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:32:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 22:32:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:32:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:32:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:32:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:32:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:32:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-25 22:32:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-25 22:32:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:32:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:32:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:32:32,915 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:32:33,268 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:32:33,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:32:33,818 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:32:33,907 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:32:33,907 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:32:33,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:32:33 BoogieIcfgContainer [2022-11-25 22:32:33,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:32:33,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:32:33,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:32:33,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:32:33,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:32:31" (1/3) ... [2022-11-25 22:32:33,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a296b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:32:33, skipping insertion in model container [2022-11-25 22:32:33,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:32" (2/3) ... [2022-11-25 22:32:33,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a296b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:32:33, skipping insertion in model container [2022-11-25 22:32:33,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:32:33" (3/3) ... [2022-11-25 22:32:33,920 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2022-11-25 22:32:33,927 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 22:32:33,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:32:33,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-25 22:32:33,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:32:34,010 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 22:32:34,046 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:32:34,061 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 277 transitions, 570 flow [2022-11-25 22:32:34,064 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 277 transitions, 570 flow [2022-11-25 22:32:34,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 277 transitions, 570 flow [2022-11-25 22:32:34,211 INFO L130 PetriNetUnfolder]: 10/354 cut-off events. [2022-11-25 22:32:34,212 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 22:32:34,221 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 583 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. [2022-11-25 22:32:34,229 INFO L119 LiptonReduction]: Number of co-enabled transitions 5880 [2022-11-25 22:35:19,700 WARN L233 SmtUtils]: Spent 5.39s 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) [2022-11-25 22:35:37,103 WARN L233 SmtUtils]: Spent 7.96s 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) [2022-11-25 22:35:54,467 WARN L233 SmtUtils]: Spent 15.55s on a formula simplification. DAG size of input: 215 DAG size of output: 209 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:36:02,472 WARN L233 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:36:15,773 WARN L233 SmtUtils]: Spent 13.30s on a formula simplification. DAG size of input: 221 DAG size of output: 217 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:36:26,150 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 197 DAG size of output: 193 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:36:37,196 WARN L233 SmtUtils]: Spent 8.57s 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) [2022-11-25 22:36:41,788 INFO L134 LiptonReduction]: Checked pairs total: 50189 [2022-11-25 22:36:41,788 INFO L136 LiptonReduction]: Total number of compositions: 311 [2022-11-25 22:36:41,802 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 79 transitions, 174 flow [2022-11-25 22:36:41,957 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) [2022-11-25 22:36:41,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:36:41,984 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;@19a3d380, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:36:41,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-25 22:36:41,995 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) [2022-11-25 22:36:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-25 22:36:42,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:42,001 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-25 22:36:42,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:36:42,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:42,007 INFO L85 PathProgramCache]: Analyzing trace with hash 976, now seen corresponding path program 1 times [2022-11-25 22:36:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:42,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230088574] [2022-11-25 22:36:42,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:42,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:42,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:42,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230088574] [2022-11-25 22:36:42,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230088574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:42,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:42,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 22:36:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222890106] [2022-11-25 22:36:42,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:42,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:36:42,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:42,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:36:42,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:36:42,378 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) [2022-11-25 22:36:42,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:42,643 INFO L93 Difference]: Finished difference Result 1018 states and 2518 transitions. [2022-11-25 22:36:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:36:42,649 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 [2022-11-25 22:36:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:42,668 INFO L225 Difference]: With dead ends: 1018 [2022-11-25 22:36:42,668 INFO L226 Difference]: Without dead ends: 992 [2022-11-25 22:36:42,669 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 [2022-11-25 22:36:42,672 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:42,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:36:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-11-25 22:36:42,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2022-11-25 22:36:42,758 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) [2022-11-25 22:36:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 2452 transitions. [2022-11-25 22:36:42,764 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 2452 transitions. Word has length 1 [2022-11-25 22:36:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:42,765 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 2452 transitions. [2022-11-25 22:36:42,765 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) [2022-11-25 22:36:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 2452 transitions. [2022-11-25 22:36:42,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:36:42,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:42,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:42,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:36:42,767 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)] === [2022-11-25 22:36:42,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:42,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1512077863, now seen corresponding path program 1 times [2022-11-25 22:36:42,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:42,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010872148] [2022-11-25 22:36:42,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:42,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:43,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:43,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010872148] [2022-11-25 22:36:43,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010872148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:43,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:43,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:36:43,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788998163] [2022-11-25 22:36:43,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:43,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:43,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:43,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:43,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:43,079 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) [2022-11-25 22:36:43,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:43,514 INFO L93 Difference]: Finished difference Result 986 states and 2446 transitions. [2022-11-25 22:36:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:43,516 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 [2022-11-25 22:36:43,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:43,521 INFO L225 Difference]: With dead ends: 986 [2022-11-25 22:36:43,521 INFO L226 Difference]: Without dead ends: 986 [2022-11-25 22:36:43,521 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 [2022-11-25 22:36:43,523 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-11-25 22:36:43,525 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] [2022-11-25 22:36:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2022-11-25 22:36:43,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 986. [2022-11-25 22:36:43,566 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) [2022-11-25 22:36:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 2446 transitions. [2022-11-25 22:36:43,572 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 2446 transitions. Word has length 7 [2022-11-25 22:36:43,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:43,573 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 2446 transitions. [2022-11-25 22:36:43,573 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) [2022-11-25 22:36:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 2446 transitions. [2022-11-25 22:36:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:36:43,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:43,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:43,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:36:43,575 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)] === [2022-11-25 22:36:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:43,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1726589292, now seen corresponding path program 1 times [2022-11-25 22:36:43,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:43,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000391070] [2022-11-25 22:36:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:44,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:44,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000391070] [2022-11-25 22:36:44,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000391070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:44,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:44,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:36:44,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565219418] [2022-11-25 22:36:44,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:44,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:36:44,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:44,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:36:44,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:36:44,230 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) [2022-11-25 22:36:45,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:45,415 INFO L93 Difference]: Finished difference Result 1065 states and 2645 transitions. [2022-11-25 22:36:45,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:36:45,416 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 [2022-11-25 22:36:45,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:45,423 INFO L225 Difference]: With dead ends: 1065 [2022-11-25 22:36:45,423 INFO L226 Difference]: Without dead ends: 1065 [2022-11-25 22:36:45,423 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 [2022-11-25 22:36:45,424 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:45,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:36:45,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2022-11-25 22:36:45,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2022-11-25 22:36:45,455 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) [2022-11-25 22:36:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 2645 transitions. [2022-11-25 22:36:45,461 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 2645 transitions. Word has length 7 [2022-11-25 22:36:45,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:45,462 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 2645 transitions. [2022-11-25 22:36:45,462 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) [2022-11-25 22:36:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2645 transitions. [2022-11-25 22:36:45,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:36:45,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:45,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:45,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:36:45,465 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)] === [2022-11-25 22:36:45,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:45,466 INFO L85 PathProgramCache]: Analyzing trace with hash -963113754, now seen corresponding path program 1 times [2022-11-25 22:36:45,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:45,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078222287] [2022-11-25 22:36:45,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:45,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:45,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:45,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078222287] [2022-11-25 22:36:45,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078222287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:45,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:45,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:36:45,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830026490] [2022-11-25 22:36:45,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:45,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:36:45,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:45,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:36:45,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:36:45,944 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) [2022-11-25 22:36:47,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:47,134 INFO L93 Difference]: Finished difference Result 1212 states and 2960 transitions. [2022-11-25 22:36:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:36:47,136 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 [2022-11-25 22:36:47,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:47,142 INFO L225 Difference]: With dead ends: 1212 [2022-11-25 22:36:47,142 INFO L226 Difference]: Without dead ends: 1212 [2022-11-25 22:36:47,143 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 [2022-11-25 22:36:47,144 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:47,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:36:47,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-11-25 22:36:47,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1145. [2022-11-25 22:36:47,181 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) [2022-11-25 22:36:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2845 transitions. [2022-11-25 22:36:47,187 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 2845 transitions. Word has length 11 [2022-11-25 22:36:47,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:47,188 INFO L495 AbstractCegarLoop]: Abstraction has 1145 states and 2845 transitions. [2022-11-25 22:36:47,188 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) [2022-11-25 22:36:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2845 transitions. [2022-11-25 22:36:47,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:36:47,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:47,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:47,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:36:47,193 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:36:47,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:47,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2003200220, now seen corresponding path program 1 times [2022-11-25 22:36:47,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:47,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371386019] [2022-11-25 22:36:47,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:48,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:48,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371386019] [2022-11-25 22:36:48,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371386019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:48,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:48,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 22:36:48,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195921363] [2022-11-25 22:36:48,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:48,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:36:48,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:48,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:36:48,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:36:48,002 INFO L87 Difference]: Start difference. First operand 1145 states and 2845 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) [2022-11-25 22:36:49,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:49,541 INFO L93 Difference]: Finished difference Result 1204 states and 2932 transitions. [2022-11-25 22:36:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:36:49,543 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 [2022-11-25 22:36:49,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:49,550 INFO L225 Difference]: With dead ends: 1204 [2022-11-25 22:36:49,550 INFO L226 Difference]: Without dead ends: 1204 [2022-11-25 22:36:49,552 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 [2022-11-25 22:36:49,554 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 96 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:49,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 0 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:36:49,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-11-25 22:36:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1085. [2022-11-25 22:36:49,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1076 states have (on average 2.4767657992565058) internal successors, (2665), 1084 states have internal predecessors, (2665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:36:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 2665 transitions. [2022-11-25 22:36:49,593 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 2665 transitions. Word has length 13 [2022-11-25 22:36:49,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:49,594 INFO L495 AbstractCegarLoop]: Abstraction has 1085 states and 2665 transitions. [2022-11-25 22:36:49,594 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) [2022-11-25 22:36:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 2665 transitions. [2022-11-25 22:36:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:36:49,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:49,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:49,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:36:49,600 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:36:49,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:49,600 INFO L85 PathProgramCache]: Analyzing trace with hash -231404113, now seen corresponding path program 1 times [2022-11-25 22:36:49,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:49,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486707545] [2022-11-25 22:36:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:49,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:49,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486707545] [2022-11-25 22:36:49,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486707545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:49,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:49,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:49,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047778541] [2022-11-25 22:36:49,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:49,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:49,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:49,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:49,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:49,729 INFO L87 Difference]: Start difference. First operand 1085 states and 2665 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) [2022-11-25 22:36:50,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:50,100 INFO L93 Difference]: Finished difference Result 330 states and 710 transitions. [2022-11-25 22:36:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:50,102 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 [2022-11-25 22:36:50,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:50,104 INFO L225 Difference]: With dead ends: 330 [2022-11-25 22:36:50,104 INFO L226 Difference]: Without dead ends: 330 [2022-11-25 22:36:50,104 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 [2022-11-25 22:36:50,105 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 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 [2022-11-25 22:36:50,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:36:50,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-11-25 22:36:50,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2022-11-25 22:36:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 325 states have (on average 2.1846153846153844) internal successors, (710), 329 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:36:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 710 transitions. [2022-11-25 22:36:50,115 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 710 transitions. Word has length 13 [2022-11-25 22:36:50,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:50,116 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 710 transitions. [2022-11-25 22:36:50,116 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) [2022-11-25 22:36:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 710 transitions. [2022-11-25 22:36:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:36:50,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:50,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:50,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:36:50,118 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:36:50,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:50,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1805012318, now seen corresponding path program 1 times [2022-11-25 22:36:50,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:50,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147175777] [2022-11-25 22:36:50,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:50,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:50,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147175777] [2022-11-25 22:36:50,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147175777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:50,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:50,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:36:50,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231506136] [2022-11-25 22:36:50,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:50,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:36:50,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:50,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:36:50,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:36:50,478 INFO L87 Difference]: Start difference. First operand 330 states and 710 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) [2022-11-25 22:36:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:51,091 INFO L93 Difference]: Finished difference Result 329 states and 709 transitions. [2022-11-25 22:36:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:36:51,092 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 [2022-11-25 22:36:51,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:51,094 INFO L225 Difference]: With dead ends: 329 [2022-11-25 22:36:51,094 INFO L226 Difference]: Without dead ends: 329 [2022-11-25 22:36:51,094 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 [2022-11-25 22:36:51,095 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:51,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 22:36:51,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-11-25 22:36:51,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2022-11-25 22:36:51,106 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) [2022-11-25 22:36:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 709 transitions. [2022-11-25 22:36:51,107 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 709 transitions. Word has length 13 [2022-11-25 22:36:51,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:51,108 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 709 transitions. [2022-11-25 22:36:51,108 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) [2022-11-25 22:36:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 709 transitions. [2022-11-25 22:36:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 22:36:51,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:51,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:51,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:36:51,110 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)] === [2022-11-25 22:36:51,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash -767103854, now seen corresponding path program 1 times [2022-11-25 22:36:51,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:51,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945864050] [2022-11-25 22:36:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:51,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:51,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:51,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945864050] [2022-11-25 22:36:51,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945864050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:51,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:51,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 22:36:51,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236813513] [2022-11-25 22:36:51,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:51,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:36:51,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:51,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:36:51,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:36:51,743 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) [2022-11-25 22:36:53,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:53,425 INFO L93 Difference]: Finished difference Result 365 states and 740 transitions. [2022-11-25 22:36:53,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:36:53,426 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 [2022-11-25 22:36:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:53,430 INFO L225 Difference]: With dead ends: 365 [2022-11-25 22:36:53,430 INFO L226 Difference]: Without dead ends: 365 [2022-11-25 22:36:53,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-11-25 22:36:53,431 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 161 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:53,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 0 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 22:36:53,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-11-25 22:36:53,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 309. [2022-11-25 22:36:53,440 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) [2022-11-25 22:36:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 669 transitions. [2022-11-25 22:36:53,441 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 669 transitions. Word has length 15 [2022-11-25 22:36:53,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:53,442 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 669 transitions. [2022-11-25 22:36:53,442 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) [2022-11-25 22:36:53,442 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 669 transitions. [2022-11-25 22:36:53,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 22:36:53,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:53,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:53,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:36:53,443 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)] === [2022-11-25 22:36:53,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:53,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1037203545, now seen corresponding path program 1 times [2022-11-25 22:36:53,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:53,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98717225] [2022-11-25 22:36:53,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:53,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:54,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:54,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98717225] [2022-11-25 22:36:54,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98717225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:54,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:54,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 22:36:54,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670378717] [2022-11-25 22:36:54,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:54,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:36:54,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:54,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:36:54,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:36:54,053 INFO L87 Difference]: Start difference. First operand 309 states and 669 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) [2022-11-25 22:36:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:55,390 INFO L93 Difference]: Finished difference Result 401 states and 808 transitions. [2022-11-25 22:36:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:36:55,391 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 [2022-11-25 22:36:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:55,394 INFO L225 Difference]: With dead ends: 401 [2022-11-25 22:36:55,394 INFO L226 Difference]: Without dead ends: 401 [2022-11-25 22:36:55,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-11-25 22:36:55,395 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 152 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:55,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 0 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:36:55,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-11-25 22:36:55,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 321. [2022-11-25 22:36:55,404 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) [2022-11-25 22:36:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 693 transitions. [2022-11-25 22:36:55,406 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 693 transitions. Word has length 15 [2022-11-25 22:36:55,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:55,406 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 693 transitions. [2022-11-25 22:36:55,406 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) [2022-11-25 22:36:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 693 transitions. [2022-11-25 22:36:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 22:36:55,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:55,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:55,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:36:55,408 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)] === [2022-11-25 22:36:55,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:55,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2003446785, now seen corresponding path program 1 times [2022-11-25 22:36:55,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:55,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689555935] [2022-11-25 22:36:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:55,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:56,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:56,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689555935] [2022-11-25 22:36:56,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689555935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:56,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:56,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 22:36:56,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761490760] [2022-11-25 22:36:56,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:56,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 22:36:56,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:56,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 22:36:56,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:36:56,274 INFO L87 Difference]: Start difference. First operand 321 states and 693 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) [2022-11-25 22:36:58,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:58,001 INFO L93 Difference]: Finished difference Result 502 states and 994 transitions. [2022-11-25 22:36:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 22:36:58,001 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 [2022-11-25 22:36:58,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:58,003 INFO L225 Difference]: With dead ends: 502 [2022-11-25 22:36:58,003 INFO L226 Difference]: Without dead ends: 502 [2022-11-25 22:36:58,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-25 22:36:58,005 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 227 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:58,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 89 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:36:58,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2022-11-25 22:36:58,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 341. [2022-11-25 22:36:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 337 states have (on average 2.258160237388724) internal successors, (761), 340 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:36:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 761 transitions. [2022-11-25 22:36:58,015 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 761 transitions. Word has length 19 [2022-11-25 22:36:58,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:58,015 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 761 transitions. [2022-11-25 22:36:58,015 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) [2022-11-25 22:36:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 761 transitions. [2022-11-25 22:36:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 22:36:58,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:58,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:58,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:36:58,017 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)] === [2022-11-25 22:36:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:58,018 INFO L85 PathProgramCache]: Analyzing trace with hash 534919809, now seen corresponding path program 2 times [2022-11-25 22:36:58,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:58,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614957276] [2022-11-25 22:36:58,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:58,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:58,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:58,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614957276] [2022-11-25 22:36:58,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614957276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:58,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:58,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 22:36:58,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764658982] [2022-11-25 22:36:58,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:58,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 22:36:58,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:58,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 22:36:58,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:36:58,799 INFO L87 Difference]: Start difference. First operand 341 states and 761 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) [2022-11-25 22:37:01,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:01,848 INFO L93 Difference]: Finished difference Result 589 states and 1203 transitions. [2022-11-25 22:37:01,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 22:37:01,849 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 [2022-11-25 22:37:01,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:01,851 INFO L225 Difference]: With dead ends: 589 [2022-11-25 22:37:01,852 INFO L226 Difference]: Without dead ends: 589 [2022-11-25 22:37:01,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=225, Invalid=531, Unknown=0, NotChecked=0, Total=756 [2022-11-25 22:37:01,853 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 175 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:01,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 108 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 22:37:01,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2022-11-25 22:37:01,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 284. [2022-11-25 22:37:01,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 281 states have (on average 2.2206405693950177) internal successors, (624), 283 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:37:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 624 transitions. [2022-11-25 22:37:01,864 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 624 transitions. Word has length 19 [2022-11-25 22:37:01,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:01,864 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 624 transitions. [2022-11-25 22:37:01,864 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) [2022-11-25 22:37:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 624 transitions. [2022-11-25 22:37:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 22:37:01,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:01,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:01,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:37:01,866 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:37:01,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:01,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1644404876, now seen corresponding path program 1 times [2022-11-25 22:37:01,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:01,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240310806] [2022-11-25 22:37:01,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:01,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:37:02,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:02,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240310806] [2022-11-25 22:37:02,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240310806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:02,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:02,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:37:02,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894636839] [2022-11-25 22:37:02,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:02,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:37:02,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:02,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:37:02,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:37:02,268 INFO L87 Difference]: Start difference. First operand 284 states and 624 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) [2022-11-25 22:37:03,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:03,024 INFO L93 Difference]: Finished difference Result 283 states and 623 transitions. [2022-11-25 22:37:03,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:37:03,025 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 [2022-11-25 22:37:03,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:03,027 INFO L225 Difference]: With dead ends: 283 [2022-11-25 22:37:03,027 INFO L226 Difference]: Without dead ends: 283 [2022-11-25 22:37:03,027 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 [2022-11-25 22:37:03,028 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:03,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 15 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:37:03,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-11-25 22:37:03,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2022-11-25 22:37:03,033 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) [2022-11-25 22:37:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 623 transitions. [2022-11-25 22:37:03,034 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 623 transitions. Word has length 19 [2022-11-25 22:37:03,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:03,034 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 623 transitions. [2022-11-25 22:37:03,035 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) [2022-11-25 22:37:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 623 transitions. [2022-11-25 22:37:03,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 22:37:03,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:03,036 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] [2022-11-25 22:37:03,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:37:03,036 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:37:03,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:03,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1767418114, now seen corresponding path program 1 times [2022-11-25 22:37:03,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:03,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027177730] [2022-11-25 22:37:03,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:37:03,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:03,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027177730] [2022-11-25 22:37:03,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027177730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:03,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:03,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:37:03,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696552537] [2022-11-25 22:37:03,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:03,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:37:03,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:03,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:37:03,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:37:03,616 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) [2022-11-25 22:37:04,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:04,571 INFO L93 Difference]: Finished difference Result 297 states and 643 transitions. [2022-11-25 22:37:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:37:04,573 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 [2022-11-25 22:37:04,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:04,574 INFO L225 Difference]: With dead ends: 297 [2022-11-25 22:37:04,574 INFO L226 Difference]: Without dead ends: 297 [2022-11-25 22:37:04,575 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 [2022-11-25 22:37:04,575 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:04,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 27 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 22:37:04,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-11-25 22:37:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2022-11-25 22:37:04,582 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) [2022-11-25 22:37:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 639 transitions. [2022-11-25 22:37:04,583 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 639 transitions. Word has length 23 [2022-11-25 22:37:04,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:04,583 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 639 transitions. [2022-11-25 22:37:04,584 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) [2022-11-25 22:37:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 639 transitions. [2022-11-25 22:37:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 22:37:04,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:04,585 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] [2022-11-25 22:37:04,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:37:04,585 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:37:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2098958266, now seen corresponding path program 1 times [2022-11-25 22:37:04,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:04,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687164914] [2022-11-25 22:37:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:04,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:37:05,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:05,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687164914] [2022-11-25 22:37:05,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687164914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:05,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:05,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:37:05,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396625441] [2022-11-25 22:37:05,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:05,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:37:05,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:05,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:37:05,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:37:05,266 INFO L87 Difference]: Start difference. First operand 293 states and 639 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) [2022-11-25 22:37:06,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:06,689 INFO L93 Difference]: Finished difference Result 293 states and 637 transitions. [2022-11-25 22:37:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:37:06,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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 [2022-11-25 22:37:06,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:06,691 INFO L225 Difference]: With dead ends: 293 [2022-11-25 22:37:06,691 INFO L226 Difference]: Without dead ends: 293 [2022-11-25 22:37:06,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:37:06,692 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 42 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:06,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 27 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:37:06,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-11-25 22:37:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 283. [2022-11-25 22:37:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 281 states have (on average 2.202846975088968) internal successors, (619), 282 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:37:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 619 transitions. [2022-11-25 22:37:06,699 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 619 transitions. Word has length 25 [2022-11-25 22:37:06,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:06,699 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 619 transitions. [2022-11-25 22:37:06,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) [2022-11-25 22:37:06,700 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 619 transitions. [2022-11-25 22:37:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 22:37:06,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:06,701 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] [2022-11-25 22:37:06,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 22:37:06,701 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:37:06,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:06,702 INFO L85 PathProgramCache]: Analyzing trace with hash -2011938981, now seen corresponding path program 1 times [2022-11-25 22:37:06,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:06,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256268808] [2022-11-25 22:37:06,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:37:07,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:07,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256268808] [2022-11-25 22:37:07,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256268808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:07,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:07,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:37:07,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496143080] [2022-11-25 22:37:07,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:07,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:37:07,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:07,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:37:07,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:37:07,097 INFO L87 Difference]: Start difference. First operand 283 states and 619 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) [2022-11-25 22:37:07,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:07,559 INFO L93 Difference]: Finished difference Result 282 states and 618 transitions. [2022-11-25 22:37:07,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:37:07,559 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 [2022-11-25 22:37:07,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:07,560 INFO L225 Difference]: With dead ends: 282 [2022-11-25 22:37:07,560 INFO L226 Difference]: Without dead ends: 205 [2022-11-25 22:37:07,563 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 [2022-11-25 22:37:07,564 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:07,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 15 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:37:07,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-25 22:37:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-11-25 22:37:07,570 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) [2022-11-25 22:37:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 465 transitions. [2022-11-25 22:37:07,571 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 465 transitions. Word has length 25 [2022-11-25 22:37:07,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:07,571 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 465 transitions. [2022-11-25 22:37:07,572 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) [2022-11-25 22:37:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 465 transitions. [2022-11-25 22:37:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 22:37:07,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:07,574 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] [2022-11-25 22:37:07,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:37:07,575 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-25 22:37:07,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:07,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1524968229, now seen corresponding path program 1 times [2022-11-25 22:37:07,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:07,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647427750] [2022-11-25 22:37:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:37:08,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:08,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647427750] [2022-11-25 22:37:08,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647427750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:08,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:08,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 22:37:08,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449700266] [2022-11-25 22:37:08,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:08,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:37:08,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:08,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:37:08,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:37:08,261 INFO L87 Difference]: Start difference. First operand 205 states and 465 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 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) [2022-11-25 22:37:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:08,836 INFO L93 Difference]: Finished difference Result 204 states and 464 transitions. [2022-11-25 22:37:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:37:08,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 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 [2022-11-25 22:37:08,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:08,837 INFO L225 Difference]: With dead ends: 204 [2022-11-25 22:37:08,838 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:37:08,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-11-25 22:37:08,839 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:08,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 15 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:37:08,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:37:08,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:37:08,840 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) [2022-11-25 22:37:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:37:08,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-25 22:37:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:08,840 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:37:08,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 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) [2022-11-25 22:37:08,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:37:08,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:37:08,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-11-25 22:37:08,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-11-25 22:37:08,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-11-25 22:37:08,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-11-25 22:37:08,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-11-25 22:37:08,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-11-25 22:37:08,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-11-25 22:37:08,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-11-25 22:37:08,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-11-25 22:37:08,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-11-25 22:37:08,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-11-25 22:37:08,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-11-25 22:37:08,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-11-25 22:37:08,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining) [2022-11-25 22:37:08,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2022-11-25 22:37:08,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2022-11-25 22:37:08,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-11-25 22:37:08,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-11-25 22:37:08,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-11-25 22:37:08,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2022-11-25 22:37:08,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-11-25 22:37:08,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-11-25 22:37:08,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-11-25 22:37:08,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-11-25 22:37:08,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-11-25 22:37:08,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-11-25 22:37:08,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-11-25 22:37:08,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 22:37:08,853 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:08,858 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 22:37:08,858 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:37:08,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:37:08 BasicIcfg [2022-11-25 22:37:08,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:37:08,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:37:08,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:37:08,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:37:08,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:32:33" (3/4) ... [2022-11-25 22:37:08,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:37:08,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-11-25 22:37:08,876 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-25 22:37:08,876 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 22:37:08,876 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 22:37:08,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:37:08,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:37:08,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:37:08,936 INFO L158 Benchmark]: Toolchain (without parser) took 277386.79ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 95.6MB in the beginning and 72.4MB in the end (delta: 23.2MB). Peak memory consumption was 136.9MB. Max. memory is 16.1GB. [2022-11-25 22:37:08,937 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:37:08,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1126.64ms. Allocated memory is still 148.9MB. Free memory was 95.2MB in the beginning and 96.7MB in the end (delta: -1.6MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-11-25 22:37:08,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.00ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 92.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:37:08,939 INFO L158 Benchmark]: Boogie Preprocessor took 61.50ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 88.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:37:08,940 INFO L158 Benchmark]: RCFGBuilder took 1104.92ms. Allocated memory is still 148.9MB. Free memory was 88.3MB in the beginning and 110.8MB in the end (delta: -22.5MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2022-11-25 22:37:08,940 INFO L158 Benchmark]: TraceAbstraction took 274948.82ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 109.9MB in the beginning and 76.6MB in the end (delta: 33.3MB). Peak memory consumption was 146.3MB. Max. memory is 16.1GB. [2022-11-25 22:37:08,940 INFO L158 Benchmark]: Witness Printer took 74.13ms. Allocated memory is still 262.1MB. Free memory was 76.6MB in the beginning and 72.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:37:08,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1126.64ms. Allocated memory is still 148.9MB. Free memory was 95.2MB in the beginning and 96.7MB in the end (delta: -1.6MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.00ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 92.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.50ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 88.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1104.92ms. Allocated memory is still 148.9MB. Free memory was 88.3MB in the beginning and 110.8MB in the end (delta: -22.5MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * TraceAbstraction took 274948.82ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 109.9MB in the beginning and 76.6MB in the end (delta: 33.3MB). Peak memory consumption was 146.3MB. Max. memory is 16.1GB. * Witness Printer took 74.13ms. Allocated memory is still 262.1MB. Free memory was 76.6MB in the beginning and 72.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.7s, 275 PlacesBefore, 82 PlacesAfterwards, 277 TransitionsBefore, 79 TransitionsAfterwards, 5880 CoEnabledTransitionPairs, 20 FixpointIterations, 177 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 28 ConcurrentYvCompositions, 5 ChoiceCompositions, 311 TotalNumberOfCompositions, 50189 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9445, independent: 7453, independent conditional: 0, independent unconditional: 7453, dependent: 1537, dependent conditional: 0, dependent unconditional: 1537, unknown: 455, unknown conditional: 0, unknown unconditional: 455] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4000, independent: 3792, independent conditional: 0, independent unconditional: 3792, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4000, independent: 3282, independent conditional: 0, independent unconditional: 3282, dependent: 718, dependent conditional: 0, dependent unconditional: 718, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 718, independent: 510, independent conditional: 0, independent unconditional: 510, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133800, independent: 1074, independent conditional: 0, independent unconditional: 1074, dependent: 46471, dependent conditional: 0, dependent unconditional: 46471, unknown: 86254, unknown conditional: 0, unknown unconditional: 86254] ], Cache Queries: [ total: 9445, independent: 3661, independent conditional: 0, independent unconditional: 3661, dependent: 1370, dependent conditional: 0, dependent unconditional: 1370, unknown: 4414, unknown conditional: 0, unknown unconditional: 4414] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Unknown cache size: 20, Unknown conditional cache size: 0, Unknown unconditional cache size: 20 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 274.8s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 247.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 944 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 944 mSDsluCounter, 542 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 318 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4339 IncrementalHoareTripleChecker+Invalid, 4657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 318 mSolverCounterUnsat, 350 mSDtfsCounter, 4339 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3141occurred in iteration=0, InterpolantAutomatonStates: 132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 802 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 1859 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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! [2022-11-25 22:37:09,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f871779d-b9bc-4158-a67a-753a7505f0d7/bin/utaipan-ByfvJB40ur/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