./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:00:56,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:00:56,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:00:56,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:00:56,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:00:56,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:00:56,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:00:56,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:00:56,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:00:56,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:00:56,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:00:56,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:00:56,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:00:56,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:00:56,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:00:56,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:00:56,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:00:56,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:00:56,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:00:56,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:00:56,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:00:56,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:00:56,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:00:56,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:00:56,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:00:56,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:00:56,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:00:56,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:00:56,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:00:56,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:00:56,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:00:56,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:00:56,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:00:56,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:00:56,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:00:56,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:00:56,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:00:56,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:00:56,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:00:56,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:00:56,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:00:56,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:00:56,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:00:56,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:00:56,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:00:56,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:00:56,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:00:56,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:00:56,928 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:00:56,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:00:56,929 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:00:56,929 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:00:56,934 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:00:56,934 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:00:56,934 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:00:56,935 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:00:56,935 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:00:56,935 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:00:56,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:00:56,935 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:00:56,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:00:56,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:00:56,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:00:56,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:00:56,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:00:56,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:00:56,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:00:56,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:00:56,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:00:56,940 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:00:56,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:00:56,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:00:56,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:00:56,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:00:56,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:00:56,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:00:56,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:00:56,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:00:56,942 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:00:56,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:00:56,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:00:56,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:00:56,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:00:56,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:00:56,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:00:56,943 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_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 [2022-12-14 06:00:57,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:00:57,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:00:57,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:00:57,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:00:57,158 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:00:57,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2022-12-14 06:00:59,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:00:59,901 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:00:59,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2022-12-14 06:00:59,912 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/data/ca0f72e43/26ea7d1aa8ef4fd9b9840a3867401311/FLAGf8cf06ca2 [2022-12-14 06:01:00,263 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/data/ca0f72e43/26ea7d1aa8ef4fd9b9840a3867401311 [2022-12-14 06:01:00,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:01:00,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:01:00,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:01:00,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:01:00,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:01:00,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9975bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00, skipping insertion in model container [2022-12-14 06:01:00,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:01:00,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:01:00,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:01:00,667 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:01:00,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:01:00,749 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:01:00,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00 WrapperNode [2022-12-14 06:01:00,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:01:00,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:01:00,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:01:00,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:01:00,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,801 INFO L138 Inliner]: procedures = 368, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2022-12-14 06:01:00,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:01:00,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:01:00,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:01:00,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:01:00,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:01:00,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:01:00,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:01:00,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:01:00,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (1/1) ... [2022-12-14 06:01:00,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:01:00,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:01:00,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:01:00,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:01:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:01:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:01:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 06:01:00,904 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 06:01:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:01:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:01:00,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:01:00,905 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 06:01:01,024 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:01:01,026 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:01:01,385 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:01:01,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:01:01,395 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:01:01,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:01:01 BoogieIcfgContainer [2022-12-14 06:01:01,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:01:01,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:01:01,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:01:01,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:01:01,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:01:00" (1/3) ... [2022-12-14 06:01:01,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2aa223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:01:01, skipping insertion in model container [2022-12-14 06:01:01,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:00" (2/3) ... [2022-12-14 06:01:01,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2aa223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:01:01, skipping insertion in model container [2022-12-14 06:01:01,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:01:01" (3/3) ... [2022-12-14 06:01:01,407 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2022-12-14 06:01:01,415 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:01:01,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:01:01,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-12-14 06:01:01,426 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:01:01,487 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:01:01,513 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:01:01,524 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 276 transitions, 557 flow [2022-12-14 06:01:01,526 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 276 transitions, 557 flow [2022-12-14 06:01:01,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 276 transitions, 557 flow [2022-12-14 06:01:01,620 INFO L130 PetriNetUnfolder]: 0/275 cut-off events. [2022-12-14 06:01:01,621 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:01:01,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 275 events. 0/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 06:01:01,628 INFO L119 LiptonReduction]: Number of co-enabled transitions 7728 [2022-12-14 06:02:17,509 WARN L233 SmtUtils]: Spent 33.16s on a formula simplification. DAG size of input: 185 DAG size of output: 183 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:02:30,475 WARN L233 SmtUtils]: Spent 12.96s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:03:07,940 WARN L233 SmtUtils]: Spent 37.46s on a formula simplification. DAG size of input: 185 DAG size of output: 183 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:03:23,327 WARN L233 SmtUtils]: Spent 15.39s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:04:08,221 WARN L233 SmtUtils]: Spent 44.65s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:04:46,403 WARN L233 SmtUtils]: Spent 38.18s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:05:26,837 WARN L233 SmtUtils]: Spent 40.43s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:05:50,930 WARN L233 SmtUtils]: Spent 24.09s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:07:09,983 WARN L233 SmtUtils]: Spent 1.32m on a formula simplification that was a NOOP. DAG size: 357 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:08:26,601 WARN L233 SmtUtils]: Spent 1.28m on a formula simplification that was a NOOP. DAG size: 329 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:09:14,385 WARN L233 SmtUtils]: Spent 47.78s on a formula simplification that was a NOOP. DAG size: 357 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:10:48,739 WARN L233 SmtUtils]: Spent 1.57m on a formula simplification that was a NOOP. DAG size: 329 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:10:48,917 INFO L134 LiptonReduction]: Checked pairs total: 102327 [2022-12-14 06:10:48,917 INFO L136 LiptonReduction]: Total number of compositions: 293 [2022-12-14 06:10:48,922 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 91 transitions, 187 flow [2022-12-14 06:10:48,971 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1447 states, 1371 states have (on average 2.0437636761487963) internal successors, (2802), 1446 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:48,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:10:48,998 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;@6e5f06f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:10:48,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-12-14 06:10:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1371 states have (on average 2.0437636761487963) internal successors, (2802), 1446 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 06:10:49,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:49,005 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 06:10:49,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:10:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:49,009 INFO L85 PathProgramCache]: Analyzing trace with hash 927, now seen corresponding path program 1 times [2022-12-14 06:10:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:49,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735938147] [2022-12-14 06:10:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:49,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:10:49,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:49,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735938147] [2022-12-14 06:10:49,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735938147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:49,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:49,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 06:10:49,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301345964] [2022-12-14 06:10:49,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:49,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:10:49,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:49,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:10:49,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:10:49,118 INFO L87 Difference]: Start difference. First operand has 1447 states, 1371 states have (on average 2.0437636761487963) internal successors, (2802), 1446 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:49,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:49,587 INFO L93 Difference]: Finished difference Result 1285 states and 2496 transitions. [2022-12-14 06:10:49,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:10:49,590 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-12-14 06:10:49,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:49,602 INFO L225 Difference]: With dead ends: 1285 [2022-12-14 06:10:49,602 INFO L226 Difference]: Without dead ends: 1285 [2022-12-14 06:10:49,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:10:49,605 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:49,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:10:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2022-12-14 06:10:49,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2022-12-14 06:10:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1251 states have (on average 1.9952038369304557) internal successors, (2496), 1284 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 2496 transitions. [2022-12-14 06:10:49,667 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 2496 transitions. Word has length 1 [2022-12-14 06:10:49,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:49,667 INFO L495 AbstractCegarLoop]: Abstraction has 1285 states and 2496 transitions. [2022-12-14 06:10:49,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 2496 transitions. [2022-12-14 06:10:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 06:10:49,668 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:49,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:49,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:10:49,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:10:49,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:49,669 INFO L85 PathProgramCache]: Analyzing trace with hash 412441394, now seen corresponding path program 1 times [2022-12-14 06:10:49,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:49,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603814886] [2022-12-14 06:10:49,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:10:50,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:50,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603814886] [2022-12-14 06:10:50,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603814886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:50,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:50,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:10:50,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017017783] [2022-12-14 06:10:50,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:50,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:50,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:50,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:50,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:50,293 INFO L87 Difference]: Start difference. First operand 1285 states and 2496 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:51,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:51,725 INFO L93 Difference]: Finished difference Result 2028 states and 3927 transitions. [2022-12-14 06:10:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:10:51,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 06:10:51,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:51,730 INFO L225 Difference]: With dead ends: 2028 [2022-12-14 06:10:51,731 INFO L226 Difference]: Without dead ends: 2028 [2022-12-14 06:10:51,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:51,732 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 63 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:51,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 29 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 06:10:51,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2022-12-14 06:10:51,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1252. [2022-12-14 06:10:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1223 states have (on average 1.9877350776778413) internal successors, (2431), 1251 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2431 transitions. [2022-12-14 06:10:51,759 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2431 transitions. Word has length 7 [2022-12-14 06:10:51,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:51,759 INFO L495 AbstractCegarLoop]: Abstraction has 1252 states and 2431 transitions. [2022-12-14 06:10:51,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2431 transitions. [2022-12-14 06:10:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 06:10:51,760 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:51,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:51,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:10:51,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:10:51,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:51,761 INFO L85 PathProgramCache]: Analyzing trace with hash 912927950, now seen corresponding path program 1 times [2022-12-14 06:10:51,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:51,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386269019] [2022-12-14 06:10:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:10:52,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:52,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386269019] [2022-12-14 06:10:52,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386269019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:52,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:52,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:52,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117853327] [2022-12-14 06:10:52,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:52,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:10:52,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:52,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:10:52,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:52,136 INFO L87 Difference]: Start difference. First operand 1252 states and 2431 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:53,990 INFO L93 Difference]: Finished difference Result 1990 states and 3852 transitions. [2022-12-14 06:10:53,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:53,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 06:10:53,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:53,995 INFO L225 Difference]: With dead ends: 1990 [2022-12-14 06:10:53,995 INFO L226 Difference]: Without dead ends: 1990 [2022-12-14 06:10:53,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:53,997 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 72 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:53,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 36 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 06:10:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2022-12-14 06:10:54,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1344. [2022-12-14 06:10:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1316 states have (on average 1.9840425531914894) internal successors, (2611), 1343 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 2611 transitions. [2022-12-14 06:10:54,024 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 2611 transitions. Word has length 9 [2022-12-14 06:10:54,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:54,024 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 2611 transitions. [2022-12-14 06:10:54,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 2611 transitions. [2022-12-14 06:10:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 06:10:54,025 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:54,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:54,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:10:54,025 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:10:54,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1010394807, now seen corresponding path program 1 times [2022-12-14 06:10:54,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:54,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136096201] [2022-12-14 06:10:54,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:54,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:10:54,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:54,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136096201] [2022-12-14 06:10:54,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136096201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:54,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:54,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:10:54,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887471003] [2022-12-14 06:10:54,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:54,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:54,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:54,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:54,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:54,432 INFO L87 Difference]: Start difference. First operand 1344 states and 2611 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:55,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:55,741 INFO L93 Difference]: Finished difference Result 1312 states and 2548 transitions. [2022-12-14 06:10:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:10:55,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 06:10:55,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:55,744 INFO L225 Difference]: With dead ends: 1312 [2022-12-14 06:10:55,744 INFO L226 Difference]: Without dead ends: 1312 [2022-12-14 06:10:55,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:55,745 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:55,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 56 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 06:10:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2022-12-14 06:10:55,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2022-12-14 06:10:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1288 states have (on average 1.9782608695652173) internal successors, (2548), 1311 states have internal predecessors, (2548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2548 transitions. [2022-12-14 06:10:55,764 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2548 transitions. Word has length 11 [2022-12-14 06:10:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:55,764 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 2548 transitions. [2022-12-14 06:10:55,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2548 transitions. [2022-12-14 06:10:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 06:10:55,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:55,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:55,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:10:55,766 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:10:55,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:55,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1763788624, now seen corresponding path program 1 times [2022-12-14 06:10:55,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:55,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973068140] [2022-12-14 06:10:55,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:55,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:10:56,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:56,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973068140] [2022-12-14 06:10:56,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973068140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:56,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:56,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:56,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103451809] [2022-12-14 06:10:56,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:56,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:10:56,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:56,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:10:56,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:56,108 INFO L87 Difference]: Start difference. First operand 1312 states and 2548 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:57,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:57,530 INFO L93 Difference]: Finished difference Result 1780 states and 3439 transitions. [2022-12-14 06:10:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:57,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 06:10:57,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:57,534 INFO L225 Difference]: With dead ends: 1780 [2022-12-14 06:10:57,534 INFO L226 Difference]: Without dead ends: 1768 [2022-12-14 06:10:57,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:57,535 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 61 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:57,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 43 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 06:10:57,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-12-14 06:10:57,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1486. [2022-12-14 06:10:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1462 states have (on average 1.9740082079343366) internal successors, (2886), 1485 states have internal predecessors, (2886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2886 transitions. [2022-12-14 06:10:57,562 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2886 transitions. Word has length 15 [2022-12-14 06:10:57,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:57,562 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 2886 transitions. [2022-12-14 06:10:57,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2886 transitions. [2022-12-14 06:10:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:10:57,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:57,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:57,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:10:57,567 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:10:57,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:57,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1765932126, now seen corresponding path program 1 times [2022-12-14 06:10:57,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:57,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28882780] [2022-12-14 06:10:57,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:10:57,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:57,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28882780] [2022-12-14 06:10:57,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28882780] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:57,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:57,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:57,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289847741] [2022-12-14 06:10:57,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:57,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:10:57,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:57,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:10:57,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:57,914 INFO L87 Difference]: Start difference. First operand 1486 states and 2886 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:59,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:59,298 INFO L93 Difference]: Finished difference Result 1600 states and 3110 transitions. [2022-12-14 06:10:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:59,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 06:10:59,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:59,303 INFO L225 Difference]: With dead ends: 1600 [2022-12-14 06:10:59,303 INFO L226 Difference]: Without dead ends: 1600 [2022-12-14 06:10:59,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:10:59,303 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 64 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:59,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 57 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 06:10:59,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2022-12-14 06:10:59,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1600. [2022-12-14 06:10:59,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1576 states have (on average 1.9733502538071066) internal successors, (3110), 1599 states have internal predecessors, (3110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 3110 transitions. [2022-12-14 06:10:59,332 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 3110 transitions. Word has length 17 [2022-12-14 06:10:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:59,332 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 3110 transitions. [2022-12-14 06:10:59,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:10:59,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 3110 transitions. [2022-12-14 06:10:59,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 06:10:59,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:59,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:59,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:10:59,333 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:10:59,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:59,334 INFO L85 PathProgramCache]: Analyzing trace with hash 168668885, now seen corresponding path program 1 times [2022-12-14 06:10:59,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:59,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284034661] [2022-12-14 06:10:59,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:59,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:10:59,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:59,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284034661] [2022-12-14 06:10:59,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284034661] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:59,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:59,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:59,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880205570] [2022-12-14 06:10:59,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:59,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:59,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:59,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:59,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:59,447 INFO L87 Difference]: Start difference. First operand 1600 states and 3110 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:00,448 INFO L93 Difference]: Finished difference Result 1167 states and 2188 transitions. [2022-12-14 06:11:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:11:00,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 06:11:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:00,451 INFO L225 Difference]: With dead ends: 1167 [2022-12-14 06:11:00,451 INFO L226 Difference]: Without dead ends: 1167 [2022-12-14 06:11:00,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:11:00,451 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 60 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:00,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 101 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 06:11:00,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2022-12-14 06:11:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1139. [2022-12-14 06:11:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1121 states have (on average 1.926851025869759) internal successors, (2160), 1138 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2160 transitions. [2022-12-14 06:11:00,465 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2160 transitions. Word has length 20 [2022-12-14 06:11:00,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:00,465 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 2160 transitions. [2022-12-14 06:11:00,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:00,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2160 transitions. [2022-12-14 06:11:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 06:11:00,466 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:00,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:00,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:11:00,466 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:00,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:00,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1779723804, now seen corresponding path program 1 times [2022-12-14 06:11:00,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:00,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194567974] [2022-12-14 06:11:00,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:00,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:00,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194567974] [2022-12-14 06:11:00,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194567974] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:00,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:00,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:11:00,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110252649] [2022-12-14 06:11:00,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:00,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:11:00,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:11:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:11:00,803 INFO L87 Difference]: Start difference. First operand 1139 states and 2160 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:02,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:02,329 INFO L93 Difference]: Finished difference Result 1292 states and 2430 transitions. [2022-12-14 06:11:02,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:11:02,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-14 06:11:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:02,332 INFO L225 Difference]: With dead ends: 1292 [2022-12-14 06:11:02,332 INFO L226 Difference]: Without dead ends: 1250 [2022-12-14 06:11:02,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:11:02,332 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 99 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:02,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 57 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 06:11:02,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-12-14 06:11:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1116. [2022-12-14 06:11:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1101 states have (on average 1.9073569482288828) internal successors, (2100), 1115 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2100 transitions. [2022-12-14 06:11:02,346 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2100 transitions. Word has length 23 [2022-12-14 06:11:02,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:02,347 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 2100 transitions. [2022-12-14 06:11:02,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:02,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2100 transitions. [2022-12-14 06:11:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 06:11:02,347 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:02,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:02,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:11:02,348 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:02,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:02,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1231978198, now seen corresponding path program 1 times [2022-12-14 06:11:02,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:02,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46181125] [2022-12-14 06:11:02,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:02,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:02,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:02,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46181125] [2022-12-14 06:11:02,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46181125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:02,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:02,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:11:02,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340817337] [2022-12-14 06:11:02,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:02,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:11:02,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:02,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:11:02,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:11:02,652 INFO L87 Difference]: Start difference. First operand 1116 states and 2100 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:03,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:03,908 INFO L93 Difference]: Finished difference Result 1081 states and 2032 transitions. [2022-12-14 06:11:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:11:03,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-12-14 06:11:03,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:03,910 INFO L225 Difference]: With dead ends: 1081 [2022-12-14 06:11:03,911 INFO L226 Difference]: Without dead ends: 1081 [2022-12-14 06:11:03,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:11:03,911 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 40 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:03,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 58 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 06:11:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-12-14 06:11:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1081. [2022-12-14 06:11:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1069 states have (on average 1.900841908325538) internal successors, (2032), 1080 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 2032 transitions. [2022-12-14 06:11:03,927 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 2032 transitions. Word has length 27 [2022-12-14 06:11:03,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:03,927 INFO L495 AbstractCegarLoop]: Abstraction has 1081 states and 2032 transitions. [2022-12-14 06:11:03,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2032 transitions. [2022-12-14 06:11:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 06:11:03,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:03,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:03,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:11:03,929 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:03,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:03,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1370742884, now seen corresponding path program 1 times [2022-12-14 06:11:03,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:03,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066496283] [2022-12-14 06:11:03,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:03,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:04,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:04,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066496283] [2022-12-14 06:11:04,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066496283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:04,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:04,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:11:04,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595974604] [2022-12-14 06:11:04,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:04,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:11:04,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:04,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:11:04,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:11:04,362 INFO L87 Difference]: Start difference. First operand 1081 states and 2032 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:05,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:05,835 INFO L93 Difference]: Finished difference Result 1194 states and 2244 transitions. [2022-12-14 06:11:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:11:05,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-12-14 06:11:05,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:05,837 INFO L225 Difference]: With dead ends: 1194 [2022-12-14 06:11:05,837 INFO L226 Difference]: Without dead ends: 1132 [2022-12-14 06:11:05,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:11:05,838 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 64 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:05,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 60 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 06:11:05,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-12-14 06:11:05,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1132. [2022-12-14 06:11:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1120 states have (on average 1.8821428571428571) internal successors, (2108), 1131 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 2108 transitions. [2022-12-14 06:11:05,850 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 2108 transitions. Word has length 33 [2022-12-14 06:11:05,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:05,850 INFO L495 AbstractCegarLoop]: Abstraction has 1132 states and 2108 transitions. [2022-12-14 06:11:05,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:05,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2108 transitions. [2022-12-14 06:11:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 06:11:05,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:05,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:05,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:11:05,851 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:05,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:05,852 INFO L85 PathProgramCache]: Analyzing trace with hash 69083351, now seen corresponding path program 1 times [2022-12-14 06:11:05,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:05,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035289728] [2022-12-14 06:11:05,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:07,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:07,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035289728] [2022-12-14 06:11:07,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035289728] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:07,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:07,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:07,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024859940] [2022-12-14 06:11:07,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:07,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:07,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:07,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:07,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:07,388 INFO L87 Difference]: Start difference. First operand 1132 states and 2108 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:09,164 INFO L93 Difference]: Finished difference Result 1458 states and 2704 transitions. [2022-12-14 06:11:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 06:11:09,164 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 06:11:09,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:09,167 INFO L225 Difference]: With dead ends: 1458 [2022-12-14 06:11:09,167 INFO L226 Difference]: Without dead ends: 1458 [2022-12-14 06:11:09,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:11:09,168 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 59 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:09,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 59 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 06:11:09,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-12-14 06:11:09,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1145. [2022-12-14 06:11:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1133 states have (on average 1.883495145631068) internal successors, (2134), 1144 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2134 transitions. [2022-12-14 06:11:09,180 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 2134 transitions. Word has length 34 [2022-12-14 06:11:09,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:09,180 INFO L495 AbstractCegarLoop]: Abstraction has 1145 states and 2134 transitions. [2022-12-14 06:11:09,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2134 transitions. [2022-12-14 06:11:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 06:11:09,181 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:09,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:09,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:11:09,181 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:09,182 INFO L85 PathProgramCache]: Analyzing trace with hash -743002003, now seen corresponding path program 2 times [2022-12-14 06:11:09,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:09,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379810369] [2022-12-14 06:11:09,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:09,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:10,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:10,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379810369] [2022-12-14 06:11:10,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379810369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:10,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:10,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 06:11:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436973164] [2022-12-14 06:11:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:10,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 06:11:10,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:10,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 06:11:10,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:11:10,630 INFO L87 Difference]: Start difference. First operand 1145 states and 2134 transitions. Second operand has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:14,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:14,001 INFO L93 Difference]: Finished difference Result 1505 states and 2798 transitions. [2022-12-14 06:11:14,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 06:11:14,001 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 06:11:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:14,004 INFO L225 Difference]: With dead ends: 1505 [2022-12-14 06:11:14,004 INFO L226 Difference]: Without dead ends: 1505 [2022-12-14 06:11:14,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2022-12-14 06:11:14,005 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 98 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:14,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 62 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 06:11:14,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2022-12-14 06:11:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1161. [2022-12-14 06:11:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1149 states have (on average 1.885117493472585) internal successors, (2166), 1160 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 2166 transitions. [2022-12-14 06:11:14,024 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 2166 transitions. Word has length 34 [2022-12-14 06:11:14,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:14,024 INFO L495 AbstractCegarLoop]: Abstraction has 1161 states and 2166 transitions. [2022-12-14 06:11:14,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2166 transitions. [2022-12-14 06:11:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 06:11:14,025 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:14,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:14,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:11:14,025 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:14,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1115382555, now seen corresponding path program 3 times [2022-12-14 06:11:14,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:14,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132189660] [2022-12-14 06:11:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:14,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:14,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:14,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132189660] [2022-12-14 06:11:14,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132189660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:14,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:14,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:14,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554487296] [2022-12-14 06:11:14,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:14,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:14,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:14,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:14,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:14,835 INFO L87 Difference]: Start difference. First operand 1161 states and 2166 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:17,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:17,024 INFO L93 Difference]: Finished difference Result 1534 states and 2856 transitions. [2022-12-14 06:11:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 06:11:17,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 06:11:17,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:17,028 INFO L225 Difference]: With dead ends: 1534 [2022-12-14 06:11:17,028 INFO L226 Difference]: Without dead ends: 1534 [2022-12-14 06:11:17,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-12-14 06:11:17,028 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 58 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:17,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 70 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 06:11:17,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2022-12-14 06:11:17,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1178. [2022-12-14 06:11:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1166 states have (on average 1.8876500857632934) internal successors, (2201), 1177 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2201 transitions. [2022-12-14 06:11:17,041 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2201 transitions. Word has length 34 [2022-12-14 06:11:17,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:17,041 INFO L495 AbstractCegarLoop]: Abstraction has 1178 states and 2201 transitions. [2022-12-14 06:11:17,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2201 transitions. [2022-12-14 06:11:17,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 06:11:17,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:17,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:17,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:11:17,042 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:17,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:17,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1314231577, now seen corresponding path program 4 times [2022-12-14 06:11:17,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:17,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105354557] [2022-12-14 06:11:17,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:17,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:18,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:18,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105354557] [2022-12-14 06:11:18,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105354557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:18,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:18,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:18,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471038036] [2022-12-14 06:11:18,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:18,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:18,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:18,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:18,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:18,089 INFO L87 Difference]: Start difference. First operand 1178 states and 2201 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:20,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:20,120 INFO L93 Difference]: Finished difference Result 1570 states and 2928 transitions. [2022-12-14 06:11:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 06:11:20,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 06:11:20,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:20,124 INFO L225 Difference]: With dead ends: 1570 [2022-12-14 06:11:20,124 INFO L226 Difference]: Without dead ends: 1570 [2022-12-14 06:11:20,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:11:20,124 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 59 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:20,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 64 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 06:11:20,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-12-14 06:11:20,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1195. [2022-12-14 06:11:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1183 states have (on average 1.89010989010989) internal successors, (2236), 1194 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 2236 transitions. [2022-12-14 06:11:20,137 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 2236 transitions. Word has length 34 [2022-12-14 06:11:20,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:20,137 INFO L495 AbstractCegarLoop]: Abstraction has 1195 states and 2236 transitions. [2022-12-14 06:11:20,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 2236 transitions. [2022-12-14 06:11:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 06:11:20,138 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:20,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:20,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 06:11:20,138 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:20,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:20,138 INFO L85 PathProgramCache]: Analyzing trace with hash -156077349, now seen corresponding path program 5 times [2022-12-14 06:11:20,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:20,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158910125] [2022-12-14 06:11:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:20,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:20,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:20,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158910125] [2022-12-14 06:11:20,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158910125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:20,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:20,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:20,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069215095] [2022-12-14 06:11:20,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:20,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:20,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:20,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:20,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:20,979 INFO L87 Difference]: Start difference. First operand 1195 states and 2236 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:22,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:22,861 INFO L93 Difference]: Finished difference Result 1249 states and 2327 transitions. [2022-12-14 06:11:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 06:11:22,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 06:11:22,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:22,868 INFO L225 Difference]: With dead ends: 1249 [2022-12-14 06:11:22,868 INFO L226 Difference]: Without dead ends: 1249 [2022-12-14 06:11:22,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-12-14 06:11:22,868 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 78 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:22,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 65 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 06:11:22,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-12-14 06:11:22,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1107. [2022-12-14 06:11:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 1096 states have (on average 1.8804744525547445) internal successors, (2061), 1106 states have internal predecessors, (2061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 2061 transitions. [2022-12-14 06:11:22,880 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 2061 transitions. Word has length 34 [2022-12-14 06:11:22,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:22,880 INFO L495 AbstractCegarLoop]: Abstraction has 1107 states and 2061 transitions. [2022-12-14 06:11:22,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2061 transitions. [2022-12-14 06:11:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 06:11:22,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:22,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:22,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 06:11:22,881 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:22,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:22,882 INFO L85 PathProgramCache]: Analyzing trace with hash -664062699, now seen corresponding path program 1 times [2022-12-14 06:11:22,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:22,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707464190] [2022-12-14 06:11:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:22,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:23,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:23,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707464190] [2022-12-14 06:11:23,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707464190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:23,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:23,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 06:11:23,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017754841] [2022-12-14 06:11:23,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:23,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 06:11:23,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:23,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 06:11:23,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 06:11:23,563 INFO L87 Difference]: Start difference. First operand 1107 states and 2061 transitions. Second operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:25,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:25,159 INFO L93 Difference]: Finished difference Result 1101 states and 2046 transitions. [2022-12-14 06:11:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 06:11:25,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 06:11:25,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:25,163 INFO L225 Difference]: With dead ends: 1101 [2022-12-14 06:11:25,163 INFO L226 Difference]: Without dead ends: 1101 [2022-12-14 06:11:25,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:11:25,164 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 69 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:25,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 74 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 06:11:25,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-12-14 06:11:25,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1077. [2022-12-14 06:11:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1066 states have (on average 1.874296435272045) internal successors, (1998), 1076 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1998 transitions. [2022-12-14 06:11:25,174 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1998 transitions. Word has length 34 [2022-12-14 06:11:25,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:25,174 INFO L495 AbstractCegarLoop]: Abstraction has 1077 states and 1998 transitions. [2022-12-14 06:11:25,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1998 transitions. [2022-12-14 06:11:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 06:11:25,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:25,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:25,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 06:11:25,175 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:25,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:25,176 INFO L85 PathProgramCache]: Analyzing trace with hash 319634427, now seen corresponding path program 1 times [2022-12-14 06:11:25,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:25,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568858696] [2022-12-14 06:11:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:26,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:26,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568858696] [2022-12-14 06:11:26,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568858696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:26,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:26,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 06:11:26,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108167015] [2022-12-14 06:11:26,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:26,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:11:26,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:26,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:11:26,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:11:26,242 INFO L87 Difference]: Start difference. First operand 1077 states and 1998 transitions. Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:28,258 INFO L93 Difference]: Finished difference Result 1477 states and 2744 transitions. [2022-12-14 06:11:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 06:11:28,258 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-12-14 06:11:28,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:28,260 INFO L225 Difference]: With dead ends: 1477 [2022-12-14 06:11:28,260 INFO L226 Difference]: Without dead ends: 1475 [2022-12-14 06:11:28,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2022-12-14 06:11:28,261 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 231 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:28,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 47 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 06:11:28,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-12-14 06:11:28,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1128. [2022-12-14 06:11:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1117 states have (on average 1.8818263205013428) internal successors, (2102), 1127 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 2102 transitions. [2022-12-14 06:11:28,273 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 2102 transitions. Word has length 36 [2022-12-14 06:11:28,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:28,274 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 2102 transitions. [2022-12-14 06:11:28,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2102 transitions. [2022-12-14 06:11:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 06:11:28,274 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:28,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:28,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 06:11:28,275 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:28,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:28,275 INFO L85 PathProgramCache]: Analyzing trace with hash -559234625, now seen corresponding path program 1 times [2022-12-14 06:11:28,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:28,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609917678] [2022-12-14 06:11:28,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:28,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:29,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:29,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609917678] [2022-12-14 06:11:29,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609917678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:29,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:29,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 06:11:29,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149783360] [2022-12-14 06:11:29,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:29,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:11:29,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:29,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:11:29,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:11:29,409 INFO L87 Difference]: Start difference. First operand 1128 states and 2102 transitions. Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:32,144 INFO L93 Difference]: Finished difference Result 1118 states and 2079 transitions. [2022-12-14 06:11:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:11:32,144 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-12-14 06:11:32,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:32,146 INFO L225 Difference]: With dead ends: 1118 [2022-12-14 06:11:32,146 INFO L226 Difference]: Without dead ends: 1118 [2022-12-14 06:11:32,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:11:32,146 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 269 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:32,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 144 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 06:11:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-12-14 06:11:32,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1078. [2022-12-14 06:11:32,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1068 states have (on average 1.8745318352059925) internal successors, (2002), 1077 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 2002 transitions. [2022-12-14 06:11:32,157 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 2002 transitions. Word has length 36 [2022-12-14 06:11:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:32,157 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 2002 transitions. [2022-12-14 06:11:32,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2002 transitions. [2022-12-14 06:11:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 06:11:32,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:32,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:32,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 06:11:32,158 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:32,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:32,158 INFO L85 PathProgramCache]: Analyzing trace with hash 10878437, now seen corresponding path program 2 times [2022-12-14 06:11:32,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:32,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758437650] [2022-12-14 06:11:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:33,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:33,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758437650] [2022-12-14 06:11:33,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758437650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:33,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:33,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:11:33,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49947162] [2022-12-14 06:11:33,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:33,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 06:11:33,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:33,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 06:11:33,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:11:33,269 INFO L87 Difference]: Start difference. First operand 1078 states and 2002 transitions. Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:36,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:36,871 INFO L93 Difference]: Finished difference Result 1072 states and 1991 transitions. [2022-12-14 06:11:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:11:36,871 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-12-14 06:11:36,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:36,873 INFO L225 Difference]: With dead ends: 1072 [2022-12-14 06:11:36,873 INFO L226 Difference]: Without dead ends: 1064 [2022-12-14 06:11:36,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2022-12-14 06:11:36,873 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 206 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:36,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 25 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 06:11:36,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2022-12-14 06:11:36,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1009. [2022-12-14 06:11:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1000 states have (on average 1.871) internal successors, (1871), 1008 states have internal predecessors, (1871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1871 transitions. [2022-12-14 06:11:36,882 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1871 transitions. Word has length 36 [2022-12-14 06:11:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:36,883 INFO L495 AbstractCegarLoop]: Abstraction has 1009 states and 1871 transitions. [2022-12-14 06:11:36,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1871 transitions. [2022-12-14 06:11:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:11:36,883 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:36,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:36,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 06:11:36,884 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1381472354, now seen corresponding path program 1 times [2022-12-14 06:11:36,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:36,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608103517] [2022-12-14 06:11:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:37,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:37,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608103517] [2022-12-14 06:11:37,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608103517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:37,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:37,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:37,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46897282] [2022-12-14 06:11:37,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:37,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:37,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:37,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:37,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:37,758 INFO L87 Difference]: Start difference. First operand 1009 states and 1871 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:40,295 INFO L93 Difference]: Finished difference Result 1354 states and 2505 transitions. [2022-12-14 06:11:40,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 06:11:40,295 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:11:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:40,297 INFO L225 Difference]: With dead ends: 1354 [2022-12-14 06:11:40,297 INFO L226 Difference]: Without dead ends: 1354 [2022-12-14 06:11:40,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-12-14 06:11:40,298 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 72 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:40,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 76 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 06:11:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2022-12-14 06:11:40,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1021. [2022-12-14 06:11:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 1012 states have (on average 1.8725296442687747) internal successors, (1895), 1020 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1895 transitions. [2022-12-14 06:11:40,308 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1895 transitions. Word has length 38 [2022-12-14 06:11:40,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:40,308 INFO L495 AbstractCegarLoop]: Abstraction has 1021 states and 1895 transitions. [2022-12-14 06:11:40,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1895 transitions. [2022-12-14 06:11:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:11:40,309 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:40,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:40,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 06:11:40,309 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:40,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:40,310 INFO L85 PathProgramCache]: Analyzing trace with hash -262663348, now seen corresponding path program 2 times [2022-12-14 06:11:40,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:40,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161446533] [2022-12-14 06:11:40,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:40,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:41,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:41,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161446533] [2022-12-14 06:11:41,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161446533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:41,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:41,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:41,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402210418] [2022-12-14 06:11:41,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:41,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:41,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:41,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:41,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:41,392 INFO L87 Difference]: Start difference. First operand 1021 states and 1895 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:44,424 INFO L93 Difference]: Finished difference Result 1385 states and 2567 transitions. [2022-12-14 06:11:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 06:11:44,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:11:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:44,426 INFO L225 Difference]: With dead ends: 1385 [2022-12-14 06:11:44,426 INFO L226 Difference]: Without dead ends: 1385 [2022-12-14 06:11:44,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-12-14 06:11:44,427 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 92 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:44,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 67 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 06:11:44,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2022-12-14 06:11:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1034. [2022-12-14 06:11:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.8741463414634147) internal successors, (1921), 1033 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1921 transitions. [2022-12-14 06:11:44,437 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1921 transitions. Word has length 38 [2022-12-14 06:11:44,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:44,438 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1921 transitions. [2022-12-14 06:11:44,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:44,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1921 transitions. [2022-12-14 06:11:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:11:44,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:44,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:44,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 06:11:44,439 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:44,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:44,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1315138330, now seen corresponding path program 3 times [2022-12-14 06:11:44,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:44,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411841583] [2022-12-14 06:11:44,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:44,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:45,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:45,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411841583] [2022-12-14 06:11:45,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411841583] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:45,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:45,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:45,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936159337] [2022-12-14 06:11:45,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:45,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:45,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:45,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:45,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:45,255 INFO L87 Difference]: Start difference. First operand 1034 states and 1921 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:48,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:48,319 INFO L93 Difference]: Finished difference Result 1380 states and 2557 transitions. [2022-12-14 06:11:48,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 06:11:48,320 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:11:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:48,321 INFO L225 Difference]: With dead ends: 1380 [2022-12-14 06:11:48,322 INFO L226 Difference]: Without dead ends: 1380 [2022-12-14 06:11:48,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:11:48,322 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 61 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:48,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 88 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 06:11:48,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2022-12-14 06:11:48,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1033. [2022-12-14 06:11:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.8740234375) internal successors, (1919), 1032 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1919 transitions. [2022-12-14 06:11:48,333 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1919 transitions. Word has length 38 [2022-12-14 06:11:48,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:48,333 INFO L495 AbstractCegarLoop]: Abstraction has 1033 states and 1919 transitions. [2022-12-14 06:11:48,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1919 transitions. [2022-12-14 06:11:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:11:48,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:48,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:48,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 06:11:48,334 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:48,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1068308042, now seen corresponding path program 4 times [2022-12-14 06:11:48,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:48,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24249437] [2022-12-14 06:11:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:48,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:49,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:49,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24249437] [2022-12-14 06:11:49,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24249437] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:49,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:49,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:49,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219047804] [2022-12-14 06:11:49,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:49,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:49,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:49,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:49,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:49,226 INFO L87 Difference]: Start difference. First operand 1033 states and 1919 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:51,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:51,904 INFO L93 Difference]: Finished difference Result 1417 states and 2631 transitions. [2022-12-14 06:11:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 06:11:51,904 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:11:51,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:51,906 INFO L225 Difference]: With dead ends: 1417 [2022-12-14 06:11:51,906 INFO L226 Difference]: Without dead ends: 1417 [2022-12-14 06:11:51,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-12-14 06:11:51,907 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 67 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:51,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 68 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 06:11:51,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2022-12-14 06:11:51,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1059. [2022-12-14 06:11:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 1050 states have (on average 1.8771428571428572) internal successors, (1971), 1058 states have internal predecessors, (1971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1971 transitions. [2022-12-14 06:11:51,918 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1971 transitions. Word has length 38 [2022-12-14 06:11:51,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:51,918 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1971 transitions. [2022-12-14 06:11:51,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:51,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1971 transitions. [2022-12-14 06:11:51,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:11:51,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:51,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:51,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 06:11:51,919 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:51,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:51,919 INFO L85 PathProgramCache]: Analyzing trace with hash 15833060, now seen corresponding path program 5 times [2022-12-14 06:11:51,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:51,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947468736] [2022-12-14 06:11:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:52,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:52,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947468736] [2022-12-14 06:11:52,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947468736] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:52,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:52,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:11:52,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027232075] [2022-12-14 06:11:52,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:52,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:11:52,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:52,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:11:52,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:11:52,714 INFO L87 Difference]: Start difference. First operand 1059 states and 1971 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:55,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:55,423 INFO L93 Difference]: Finished difference Result 1410 states and 2617 transitions. [2022-12-14 06:11:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 06:11:55,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:11:55,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:55,425 INFO L225 Difference]: With dead ends: 1410 [2022-12-14 06:11:55,425 INFO L226 Difference]: Without dead ends: 1410 [2022-12-14 06:11:55,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-12-14 06:11:55,426 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 112 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:55,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 73 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 06:11:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2022-12-14 06:11:55,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1046. [2022-12-14 06:11:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1037 states have (on average 1.875602700096432) internal successors, (1945), 1045 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1945 transitions. [2022-12-14 06:11:55,438 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1945 transitions. Word has length 38 [2022-12-14 06:11:55,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:55,438 INFO L495 AbstractCegarLoop]: Abstraction has 1046 states and 1945 transitions. [2022-12-14 06:11:55,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1945 transitions. [2022-12-14 06:11:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:11:55,439 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:55,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:55,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 06:11:55,440 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:55,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:55,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1323447826, now seen corresponding path program 6 times [2022-12-14 06:11:55,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:55,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539567765] [2022-12-14 06:11:55,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:11:56,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:56,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539567765] [2022-12-14 06:11:56,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539567765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:56,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:56,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 06:11:56,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317506453] [2022-12-14 06:11:56,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:56,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 06:11:56,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:56,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 06:11:56,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:11:56,346 INFO L87 Difference]: Start difference. First operand 1046 states and 1945 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:59,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:59,311 INFO L93 Difference]: Finished difference Result 1384 states and 2567 transitions. [2022-12-14 06:11:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 06:11:59,311 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:11:59,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:59,313 INFO L225 Difference]: With dead ends: 1384 [2022-12-14 06:11:59,313 INFO L226 Difference]: Without dead ends: 1384 [2022-12-14 06:11:59,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2022-12-14 06:11:59,314 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 177 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:59,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 119 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 06:11:59,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2022-12-14 06:11:59,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1045. [2022-12-14 06:11:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1036 states have (on average 1.8754826254826256) internal successors, (1943), 1044 states have internal predecessors, (1943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:59,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1943 transitions. [2022-12-14 06:11:59,327 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1943 transitions. Word has length 38 [2022-12-14 06:11:59,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:59,327 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1943 transitions. [2022-12-14 06:11:59,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:11:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1943 transitions. [2022-12-14 06:11:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:11:59,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:59,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:11:59,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 06:11:59,328 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:11:59,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:59,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1895742708, now seen corresponding path program 7 times [2022-12-14 06:11:59,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:59,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149255343] [2022-12-14 06:11:59,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:12:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:12:00,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:12:00,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149255343] [2022-12-14 06:12:00,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149255343] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:12:00,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:12:00,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:12:00,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414693627] [2022-12-14 06:12:00,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:12:00,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:12:00,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:12:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:12:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:12:00,301 INFO L87 Difference]: Start difference. First operand 1045 states and 1943 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:02,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:12:02,144 INFO L93 Difference]: Finished difference Result 1132 states and 2102 transitions. [2022-12-14 06:12:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 06:12:02,144 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:12:02,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:12:02,147 INFO L225 Difference]: With dead ends: 1132 [2022-12-14 06:12:02,147 INFO L226 Difference]: Without dead ends: 1132 [2022-12-14 06:12:02,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-12-14 06:12:02,147 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 109 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:12:02,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 67 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 06:12:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-12-14 06:12:02,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1032. [2022-12-14 06:12:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1023 states have (on average 1.8739002932551319) internal successors, (1917), 1031 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1917 transitions. [2022-12-14 06:12:02,158 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1917 transitions. Word has length 38 [2022-12-14 06:12:02,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:12:02,158 INFO L495 AbstractCegarLoop]: Abstraction has 1032 states and 1917 transitions. [2022-12-14 06:12:02,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1917 transitions. [2022-12-14 06:12:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:12:02,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:12:02,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:12:02,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 06:12:02,159 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:12:02,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:12:02,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1346749606, now seen corresponding path program 8 times [2022-12-14 06:12:02,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:12:02,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760228369] [2022-12-14 06:12:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:12:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:12:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:12:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:12:03,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:12:03,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760228369] [2022-12-14 06:12:03,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760228369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:12:03,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:12:03,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:12:03,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179546701] [2022-12-14 06:12:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:12:03,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:12:03,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:12:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:12:03,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:12:03,003 INFO L87 Difference]: Start difference. First operand 1032 states and 1917 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:04,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:12:04,902 INFO L93 Difference]: Finished difference Result 1142 states and 2122 transitions. [2022-12-14 06:12:04,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 06:12:04,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:12:04,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:12:04,906 INFO L225 Difference]: With dead ends: 1142 [2022-12-14 06:12:04,906 INFO L226 Difference]: Without dead ends: 1142 [2022-12-14 06:12:04,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-12-14 06:12:04,906 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 123 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:12:04,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 69 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 06:12:04,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-12-14 06:12:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1019. [2022-12-14 06:12:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1010 states have (on average 1.8722772277227724) internal successors, (1891), 1018 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1891 transitions. [2022-12-14 06:12:04,917 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1891 transitions. Word has length 38 [2022-12-14 06:12:04,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:12:04,917 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 1891 transitions. [2022-12-14 06:12:04,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1891 transitions. [2022-12-14 06:12:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 06:12:04,917 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:12:04,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:12:04,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 06:12:04,918 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:12:04,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:12:04,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1640602924, now seen corresponding path program 9 times [2022-12-14 06:12:04,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:12:04,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137654177] [2022-12-14 06:12:04,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:12:04,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:12:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:12:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:12:05,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:12:05,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137654177] [2022-12-14 06:12:05,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137654177] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:12:05,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:12:05,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 06:12:05,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105610907] [2022-12-14 06:12:05,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:12:05,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 06:12:05,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:12:05,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 06:12:05,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:12:05,753 INFO L87 Difference]: Start difference. First operand 1019 states and 1891 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:12:09,497 INFO L93 Difference]: Finished difference Result 1053 states and 1950 transitions. [2022-12-14 06:12:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 06:12:09,498 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-12-14 06:12:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:12:09,499 INFO L225 Difference]: With dead ends: 1053 [2022-12-14 06:12:09,499 INFO L226 Difference]: Without dead ends: 1053 [2022-12-14 06:12:09,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2022-12-14 06:12:09,500 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 181 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:12:09,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 120 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 06:12:09,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2022-12-14 06:12:09,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 976. [2022-12-14 06:12:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 967 states have (on average 1.8728024819027922) internal successors, (1811), 975 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1811 transitions. [2022-12-14 06:12:09,509 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1811 transitions. Word has length 38 [2022-12-14 06:12:09,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:12:09,509 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1811 transitions. [2022-12-14 06:12:09,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:12:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1811 transitions. [2022-12-14 06:12:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 06:12:09,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:12:09,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:12:09,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 06:12:09,510 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-14 06:12:09,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:12:09,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1186720642, now seen corresponding path program 1 times [2022-12-14 06:12:09,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:12:09,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027604509] [2022-12-14 06:12:09,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:12:09,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:12:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:12:09,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:12:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:12:09,736 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 06:12:09,736 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:12:09,737 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2022-12-14 06:12:09,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2022-12-14 06:12:09,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2022-12-14 06:12:09,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2022-12-14 06:12:09,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2022-12-14 06:12:09,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2022-12-14 06:12:09,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2022-12-14 06:12:09,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2022-12-14 06:12:09,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2022-12-14 06:12:09,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2022-12-14 06:12:09,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2022-12-14 06:12:09,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 06:12:09,743 INFO L445 BasicCegarLoop]: Path program histogram: [9, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:12:09,748 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 06:12:09,749 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:12:09,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:12:09 BasicIcfg [2022-12-14 06:12:09,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:12:09,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:12:09,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:12:09,794 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:12:09,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:01:01" (3/4) ... [2022-12-14 06:12:09,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:12:09,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:12:09,797 INFO L158 Benchmark]: Toolchain (without parser) took 669528.37ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 98.4MB in the beginning and 207.1MB in the end (delta: -108.7MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2022-12-14 06:12:09,797 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:12:09,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.10ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 59.0MB in the end (delta: 39.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 06:12:09,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.06ms. Allocated memory is still 132.1MB. Free memory was 59.0MB in the beginning and 55.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:12:09,798 INFO L158 Benchmark]: Boogie Preprocessor took 40.59ms. Allocated memory is still 132.1MB. Free memory was 55.3MB in the beginning and 52.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:12:09,798 INFO L158 Benchmark]: RCFGBuilder took 554.07ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 51.9MB in the beginning and 107.5MB in the end (delta: -55.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 06:12:09,799 INFO L158 Benchmark]: TraceAbstraction took 668392.68ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 107.3MB in the beginning and 208.2MB in the end (delta: -100.9MB). Peak memory consumption was 237.6MB. Max. memory is 16.1GB. [2022-12-14 06:12:09,799 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 337.6MB. Free memory was 208.2MB in the beginning and 207.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:12:09,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.10ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 59.0MB in the end (delta: 39.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.06ms. Allocated memory is still 132.1MB. Free memory was 59.0MB in the beginning and 55.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.59ms. Allocated memory is still 132.1MB. Free memory was 55.3MB in the beginning and 52.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 554.07ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 51.9MB in the beginning and 107.5MB in the end (delta: -55.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 668392.68ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 107.3MB in the beginning and 208.2MB in the end (delta: -100.9MB). Peak memory consumption was 237.6MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 337.6MB. Free memory was 208.2MB in the beginning and 207.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 587.4s, 280 PlacesBefore, 95 PlacesAfterwards, 276 TransitionsBefore, 91 TransitionsAfterwards, 7728 CoEnabledTransitionPairs, 18 FixpointIterations, 201 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 293 TotalNumberOfCompositions, 102327 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23572, independent: 21033, independent conditional: 0, independent unconditional: 21033, dependent: 2539, dependent conditional: 0, dependent unconditional: 2539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5619, independent: 5352, independent conditional: 0, independent unconditional: 5352, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5619, independent: 4149, independent conditional: 0, independent unconditional: 4149, dependent: 1470, dependent conditional: 0, dependent unconditional: 1470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1470, independent: 1203, independent conditional: 0, independent unconditional: 1203, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1471, independent: 1000, independent conditional: 0, independent unconditional: 1000, dependent: 471, dependent conditional: 0, dependent unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23572, independent: 15681, independent conditional: 0, independent unconditional: 15681, dependent: 2272, dependent conditional: 0, dependent unconditional: 2272, unknown: 5619, unknown conditional: 0, unknown unconditional: 5619] , Statistics on independence cache: Total cache size (in pairs): 1167, Positive cache size: 1044, Positive conditional cache size: 0, Positive unconditional cache size: 1044, Negative cache size: 123, Negative conditional cache size: 0, Negative unconditional cache size: 123, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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 - DataRaceFoundResult [Line: 1259]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1243] 0 pthread_t t1; [L1244] 0 struct s *p = malloc(sizeof(struct s)); [L1245] CALL 0 init(p,9) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1245] RET 0 init(p,9) [L1246] 0 A = malloc(sizeof(struct s)) [L1247] 0 init(A,3) [L1247] CALL 0 init(A,3) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1247] RET 0 init(A,3) [L1248] EXPR 0 A->next [L1248] 0 A->next = p [L1249] 0 B = malloc(sizeof(struct s)) [L1250] 0 init(B,5) [L1250] CALL 0 init(B,5) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1250] RET 0 init(B,5) [L1251] EXPR 0 B->next [L1251] 0 B->next = p [L1252] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={11:0}, A_mutex={1:0}, arg={0:0}, B={-1:0}, B_mutex={2:0}, p={-2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=0, t1={13:0}] [L1254] EXPR 0 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={1:0}, arg={0:0}, B={-1:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1254] 0 p = A->next [L1255] EXPR 0 p->datum VAL [A={11:0}, A_mutex={1:0}, arg={0:0}, B={-1:0}, B_mutex={2:0}, p={-2:0}, p->datum=9, t1={13:0}] [L1255] 0 printf("%d\n", p->datum) [L1258] EXPR 0 B->next VAL [A={11:0}, A_mutex={1:0}, arg={0:0}, B={-1:0}, B->next={-2:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1258] 0 p = B->next [L1259] EXPR 0 p->datum VAL [A={11:0}, A_mutex={1:0}, arg={0:0}, B={-1:0}, B_mutex={2:0}, p={-2:0}, p->datum=9, t1={13:0}] [L1235] EXPR 1 A->next [L1235] EXPR 1 A->next->datum [L1235] 1 A->next->datum++ VAL [A={11:0}, A->next={-2:0}, A->next->datum=9, A->next->datum++=9, A->next->datum++=42, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-1:0}, B_mutex={2:0}] [L1259] 0 printf("%d\n", p->datum) VAL [A={11:0}, A->next={-2:0}, A->next->datum=9, A->next->datum++=9, A->next->datum++=42, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-1:0}, B_mutex={2:0}, p={-2:0}, p->datum=9, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: B->next = p [1251] * C: A->next = p [1248] * C: A->next = p [1248] * C: p -> datum = x [1228] * C: B->next = p [1251] * C: B->next = p [1251] * C: A = malloc(sizeof(struct s)) [1246] * C: B->next = p [1251] * C: p -> datum = x [1228] * C: A->next->datum++ [1235] * C: p -> datum = x [1228] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: p -> next = ((void *)0) [1229] * C: A->next = p [1248] * C: p -> next = ((void *)0) [1229] * C: B = malloc(sizeof(struct s)) [1249] * C: p -> next = ((void *)0) [1229] * C: A->next = p [1248] and C: printf("%d\n", p->datum) [1259] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 348 locations, 37 error locations. Started 1 CEGAR loops. OverallTime: 668.2s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 59.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 587.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2691 SdHoareTripleChecker+Valid, 57.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2691 mSDsluCounter, 1897 SdHoareTripleChecker+Invalid, 55.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1068 mSDsCounter, 2985 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17923 IncrementalHoareTripleChecker+Invalid, 20908 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2985 mSolverCounterUnsat, 829 mSDtfsCounter, 17923 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1600occurred in iteration=6, InterpolantAutomatonStates: 327, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 28 MinimizatonAttempts, 6254 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 857 NumberOfCodeBlocks, 857 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 789 ConstructedInterpolants, 0 QuantifiedInterpolants, 14362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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 RESULT: Ultimate proved your program to be incorrect! [2022-12-14 06:12:09,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f66235f-8a34-44b9-8938-792e915fa6f8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE