./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI --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 a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 --- 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-5e519f3 [2022-11-03 02:19:29,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:19:29,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:19:29,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:19:29,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:19:29,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:19:29,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:19:29,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:19:29,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:19:29,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:19:29,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:19:29,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:19:29,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:19:29,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:19:29,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:19:29,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:19:29,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:19:29,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:19:29,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:19:29,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:19:29,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:19:29,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:19:29,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:19:29,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:19:29,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:19:29,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:19:29,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:19:29,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:19:29,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:19:29,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:19:29,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:19:29,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:19:29,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:19:29,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:19:29,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:19:29,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:19:29,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:19:29,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:19:29,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:19:29,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:19:29,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:19:29,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:19:29,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:19:29,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:19:29,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:19:29,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:19:29,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:19:29,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:19:29,881 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:19:29,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:19:29,882 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:19:29,882 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:19:29,883 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:19:29,883 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:19:29,883 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:19:29,884 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:19:29,884 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:19:29,884 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:19:29,884 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:19:29,884 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:19:29,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:19:29,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:19:29,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:19:29,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:19:29,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:19:29,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:19:29,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:19:29,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:19:29,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:19:29,887 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:19:29,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:19:29,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:19:29,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:19:29,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:19:29,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:19:29,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:19:29,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:19:29,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:19:29,889 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:19:29,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:19:29,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:19:29,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:19:29,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:19:29,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:19:29,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:19:29,890 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_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2022-11-03 02:19:30,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:19:30,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:19:30,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:19:30,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:19:30,214 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:19:30,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2022-11-03 02:19:30,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/data/b53b7305c/a74b06e1d38e4ee08cd825f61462bb8c/FLAG1266e15e2 [2022-11-03 02:19:30,880 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:19:30,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2022-11-03 02:19:30,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/data/b53b7305c/a74b06e1d38e4ee08cd825f61462bb8c/FLAG1266e15e2 [2022-11-03 02:19:31,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/data/b53b7305c/a74b06e1d38e4ee08cd825f61462bb8c [2022-11-03 02:19:31,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:19:31,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:19:31,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:19:31,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:19:31,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:19:31,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:31,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd4f502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31, skipping insertion in model container [2022-11-03 02:19:31,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:31,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:19:31,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:19:31,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:19:31,874 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:19:31,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:19:31,997 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:19:31,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31 WrapperNode [2022-11-03 02:19:31,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:19:31,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:19:31,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:19:31,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:19:32,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,121 INFO L138 Inliner]: procedures = 370, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2022-11-03 02:19:32,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:19:32,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:19:32,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:19:32,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:19:32,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:19:32,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:19:32,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:19:32,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:19:32,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (1/1) ... [2022-11-03 02:19:32,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:19:32,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:19:32,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:19:32,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974a61a8-ee1b-4ddb-8d06-75779ca29ca7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:19:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:19:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:19:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:19:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:19:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 02:19:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 02:19:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:19:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:19:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:19:32,301 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:19:32,498 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:19:32,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:19:33,090 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:19:33,100 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:19:33,100 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:19:33,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:19:33 BoogieIcfgContainer [2022-11-03 02:19:33,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:19:33,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:19:33,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:19:33,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:19:33,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:19:31" (1/3) ... [2022-11-03 02:19:33,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638642db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:19:33, skipping insertion in model container [2022-11-03 02:19:33,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:31" (2/3) ... [2022-11-03 02:19:33,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638642db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:19:33, skipping insertion in model container [2022-11-03 02:19:33,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:19:33" (3/3) ... [2022-11-03 02:19:33,119 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2022-11-03 02:19:33,128 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:19:33,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:19:33,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-03 02:19:33,141 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:19:33,288 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:19:33,336 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:19:33,347 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 279 transitions, 563 flow [2022-11-03 02:19:33,349 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 279 transitions, 563 flow [2022-11-03 02:19:33,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 281 places, 279 transitions, 563 flow [2022-11-03 02:19:33,500 INFO L130 PetriNetUnfolder]: 2/278 cut-off events. [2022-11-03 02:19:33,500 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:19:33,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 278 events. 2/278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 257 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2022-11-03 02:19:33,512 INFO L118 LiptonReduction]: Number of co-enabled transitions 19488 [2022-11-03 02:20:26,040 WARN L234 SmtUtils]: Spent 11.85s on a formula simplification. DAG size of input: 168 DAG size of output: 162 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:20:53,016 WARN L234 SmtUtils]: Spent 23.76s on a formula simplification. DAG size of input: 168 DAG size of output: 162 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:07,940 WARN L234 SmtUtils]: Spent 10.88s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:13,072 WARN L234 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:33,591 WARN L234 SmtUtils]: Spent 20.52s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:43,604 WARN L234 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:43,619 INFO L133 LiptonReduction]: Checked pairs total: 142227 [2022-11-03 02:21:43,619 INFO L135 LiptonReduction]: Total number of compositions: 173 [2022-11-03 02:21:43,627 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 131 transitions, 267 flow [2022-11-03 02:21:43,767 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:43,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:21:43,796 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;@2835d681, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:21:43,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 02:21:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-03 02:21:43,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:43,817 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-03 02:21:43,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:21:43,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:43,827 INFO L85 PathProgramCache]: Analyzing trace with hash 863, now seen corresponding path program 1 times [2022-11-03 02:21:43,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:43,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424829092] [2022-11-03 02:21:43,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:43,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:43,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:43,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:43,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424829092] [2022-11-03 02:21:43,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424829092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:43,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:43,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-03 02:21:43,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315173200] [2022-11-03 02:21:43,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:43,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:21:43,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:43,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:21:43,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:21:43,991 INFO L87 Difference]: Start difference. First operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:44,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:44,175 INFO L93 Difference]: Finished difference Result 3791 states and 7511 transitions. [2022-11-03 02:21:44,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:21:44,177 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-03 02:21:44,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:44,213 INFO L225 Difference]: With dead ends: 3791 [2022-11-03 02:21:44,213 INFO L226 Difference]: Without dead ends: 3791 [2022-11-03 02:21:44,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:21:44,218 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:44,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2022-11-03 02:21:44,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2022-11-03 02:21:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3791 states, 3712 states have (on average 2.0234375) internal successors, (7511), 3790 states have internal predecessors, (7511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 7511 transitions. [2022-11-03 02:21:44,403 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 7511 transitions. Word has length 1 [2022-11-03 02:21:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:44,404 INFO L495 AbstractCegarLoop]: Abstraction has 3791 states and 7511 transitions. [2022-11-03 02:21:44,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 7511 transitions. [2022-11-03 02:21:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:21:44,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:44,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:44,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:21:44,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:21:44,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:44,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1381890045, now seen corresponding path program 1 times [2022-11-03 02:21:44,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:44,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023465222] [2022-11-03 02:21:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:44,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:45,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:45,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:45,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023465222] [2022-11-03 02:21:45,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023465222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:45,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:45,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:21:45,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560941266] [2022-11-03 02:21:45,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:45,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:21:45,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:21:45,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:21:45,267 INFO L87 Difference]: Start difference. First operand 3791 states and 7511 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:46,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:46,151 INFO L93 Difference]: Finished difference Result 4048 states and 8020 transitions. [2022-11-03 02:21:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:21:46,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-03 02:21:46,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:46,170 INFO L225 Difference]: With dead ends: 4048 [2022-11-03 02:21:46,170 INFO L226 Difference]: Without dead ends: 4048 [2022-11-03 02:21:46,171 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 [2022-11-03 02:21:46,172 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 108 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:46,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 118 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:21:46,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2022-11-03 02:21:46,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 3996. [2022-11-03 02:21:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3996 states, 3917 states have (on average 2.0211896859841714) internal successors, (7917), 3995 states have internal predecessors, (7917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 7917 transitions. [2022-11-03 02:21:46,341 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 7917 transitions. Word has length 8 [2022-11-03 02:21:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:46,342 INFO L495 AbstractCegarLoop]: Abstraction has 3996 states and 7917 transitions. [2022-11-03 02:21:46,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 7917 transitions. [2022-11-03 02:21:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 02:21:46,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:46,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:46,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:21:46,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:21:46,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:46,347 INFO L85 PathProgramCache]: Analyzing trace with hash -977638739, now seen corresponding path program 1 times [2022-11-03 02:21:46,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:46,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165708526] [2022-11-03 02:21:46,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:46,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:46,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:46,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165708526] [2022-11-03 02:21:46,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165708526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:46,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:46,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:21:46,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289797437] [2022-11-03 02:21:46,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:46,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:21:46,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:46,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:21:46,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:21:46,814 INFO L87 Difference]: Start difference. First operand 3996 states and 7917 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) [2022-11-03 02:21:47,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:47,775 INFO L93 Difference]: Finished difference Result 4261 states and 8447 transitions. [2022-11-03 02:21:47,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:21:47,777 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 [2022-11-03 02:21:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:47,796 INFO L225 Difference]: With dead ends: 4261 [2022-11-03 02:21:47,796 INFO L226 Difference]: Without dead ends: 4261 [2022-11-03 02:21:47,796 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 [2022-11-03 02:21:47,799 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:47,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 122 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 02:21:47,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2022-11-03 02:21:47,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4261. [2022-11-03 02:21:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 4182 states have (on average 2.0198469631755143) internal successors, (8447), 4260 states have internal predecessors, (8447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 8447 transitions. [2022-11-03 02:21:47,951 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 8447 transitions. Word has length 9 [2022-11-03 02:21:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:47,952 INFO L495 AbstractCegarLoop]: Abstraction has 4261 states and 8447 transitions. [2022-11-03 02:21:47,952 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) [2022-11-03 02:21:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 8447 transitions. [2022-11-03 02:21:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:21:47,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:47,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:47,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:21:47,955 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:21:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:47,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1043612850, now seen corresponding path program 1 times [2022-11-03 02:21:47,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:47,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576114983] [2022-11-03 02:21:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:48,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:48,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576114983] [2022-11-03 02:21:48,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576114983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:48,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:48,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:21:48,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021285860] [2022-11-03 02:21:48,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:48,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:21:48,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:21:48,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:21:48,509 INFO L87 Difference]: Start difference. First operand 4261 states and 8447 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:51,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:51,184 INFO L93 Difference]: Finished difference Result 12502 states and 24733 transitions. [2022-11-03 02:21:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:21:51,185 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:21:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:51,262 INFO L225 Difference]: With dead ends: 12502 [2022-11-03 02:21:51,263 INFO L226 Difference]: Without dead ends: 12502 [2022-11-03 02:21:51,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:21:51,264 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 752 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 2052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:51,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 521 Invalid, 2052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:21:51,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12502 states. [2022-11-03 02:21:51,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12502 to 4337. [2022-11-03 02:21:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4337 states, 4258 states have (on average 2.0204321277595114) internal successors, (8603), 4336 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 8603 transitions. [2022-11-03 02:21:51,482 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 8603 transitions. Word has length 11 [2022-11-03 02:21:51,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:51,483 INFO L495 AbstractCegarLoop]: Abstraction has 4337 states and 8603 transitions. [2022-11-03 02:21:51,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 8603 transitions. [2022-11-03 02:21:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:21:51,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:51,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:51,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:21:51,491 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:21:51,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:51,492 INFO L85 PathProgramCache]: Analyzing trace with hash 530488532, now seen corresponding path program 1 times [2022-11-03 02:21:51,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:51,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989687471] [2022-11-03 02:21:51,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:51,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:52,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:52,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989687471] [2022-11-03 02:21:52,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989687471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:52,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:52,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:21:52,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350328986] [2022-11-03 02:21:52,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:52,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:21:52,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:52,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:21:52,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:21:52,103 INFO L87 Difference]: Start difference. First operand 4337 states and 8603 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:54,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:54,877 INFO L93 Difference]: Finished difference Result 12688 states and 25094 transitions. [2022-11-03 02:21:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:21:54,885 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:21:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:54,930 INFO L225 Difference]: With dead ends: 12688 [2022-11-03 02:21:54,931 INFO L226 Difference]: Without dead ends: 12688 [2022-11-03 02:21:54,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:21:54,932 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 959 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 1987 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:54,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 483 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1987 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:21:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12688 states. [2022-11-03 02:21:55,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12688 to 4445. [2022-11-03 02:21:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4445 states, 4366 states have (on average 2.0219880897847) internal successors, (8828), 4444 states have internal predecessors, (8828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4445 states to 4445 states and 8828 transitions. [2022-11-03 02:21:55,128 INFO L78 Accepts]: Start accepts. Automaton has 4445 states and 8828 transitions. Word has length 11 [2022-11-03 02:21:55,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:55,128 INFO L495 AbstractCegarLoop]: Abstraction has 4445 states and 8828 transitions. [2022-11-03 02:21:55,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 4445 states and 8828 transitions. [2022-11-03 02:21:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:21:55,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:55,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:55,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:21:55,134 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:21:55,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:55,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1087240810, now seen corresponding path program 2 times [2022-11-03 02:21:55,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:55,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360105724] [2022-11-03 02:21:55,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:55,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:55,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:55,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360105724] [2022-11-03 02:21:55,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360105724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:55,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:55,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:21:55,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370449252] [2022-11-03 02:21:55,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:55,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:21:55,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:55,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:21:55,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:21:55,718 INFO L87 Difference]: Start difference. First operand 4445 states and 8828 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:58,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:58,894 INFO L93 Difference]: Finished difference Result 4568 states and 9021 transitions. [2022-11-03 02:21:58,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:21:58,896 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:21:58,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:58,907 INFO L225 Difference]: With dead ends: 4568 [2022-11-03 02:21:58,908 INFO L226 Difference]: Without dead ends: 4568 [2022-11-03 02:21:58,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:21:58,909 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 369 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 2694 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 2728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:58,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 476 Invalid, 2728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2694 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:21:58,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2022-11-03 02:21:58,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4450. [2022-11-03 02:21:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4450 states, 4371 states have (on average 2.0219629375428965) internal successors, (8838), 4449 states have internal predecessors, (8838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 4450 states and 8838 transitions. [2022-11-03 02:21:59,008 INFO L78 Accepts]: Start accepts. Automaton has 4450 states and 8838 transitions. Word has length 11 [2022-11-03 02:21:59,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:59,008 INFO L495 AbstractCegarLoop]: Abstraction has 4450 states and 8838 transitions. [2022-11-03 02:21:59,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:21:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 8838 transitions. [2022-11-03 02:21:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:21:59,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:59,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:59,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:21:59,010 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:21:59,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:59,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1093756390, now seen corresponding path program 3 times [2022-11-03 02:21:59,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:59,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576635313] [2022-11-03 02:21:59,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:59,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:59,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576635313] [2022-11-03 02:21:59,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576635313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:59,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:59,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:21:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19525984] [2022-11-03 02:21:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:59,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:21:59,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:21:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:21:59,500 INFO L87 Difference]: Start difference. First operand 4450 states and 8838 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:02,556 INFO L93 Difference]: Finished difference Result 4603 states and 9091 transitions. [2022-11-03 02:22:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:02,556 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:22:02,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:02,568 INFO L225 Difference]: With dead ends: 4603 [2022-11-03 02:22:02,569 INFO L226 Difference]: Without dead ends: 4603 [2022-11-03 02:22:02,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:02,570 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 376 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 2976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:02,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 492 Invalid, 2976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2934 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 02:22:02,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4603 states. [2022-11-03 02:22:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4603 to 4459. [2022-11-03 02:22:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4459 states, 4380 states have (on average 2.0221461187214613) internal successors, (8857), 4458 states have internal predecessors, (8857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4459 states and 8857 transitions. [2022-11-03 02:22:02,669 INFO L78 Accepts]: Start accepts. Automaton has 4459 states and 8857 transitions. Word has length 11 [2022-11-03 02:22:02,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:02,669 INFO L495 AbstractCegarLoop]: Abstraction has 4459 states and 8857 transitions. [2022-11-03 02:22:02,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 4459 states and 8857 transitions. [2022-11-03 02:22:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:22:02,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:02,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:02,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:22:02,671 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:02,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1296633100, now seen corresponding path program 4 times [2022-11-03 02:22:02,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:02,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811558910] [2022-11-03 02:22:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:02,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:03,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:03,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811558910] [2022-11-03 02:22:03,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811558910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:03,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:03,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:03,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478138079] [2022-11-03 02:22:03,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:03,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:03,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:03,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:03,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:03,163 INFO L87 Difference]: Start difference. First operand 4459 states and 8857 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:05,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:05,552 INFO L93 Difference]: Finished difference Result 4642 states and 9170 transitions. [2022-11-03 02:22:05,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:22:05,553 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:22:05,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:05,563 INFO L225 Difference]: With dead ends: 4642 [2022-11-03 02:22:05,563 INFO L226 Difference]: Without dead ends: 4642 [2022-11-03 02:22:05,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:22:05,564 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 322 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:05,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 469 Invalid, 2611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2562 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:22:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2022-11-03 02:22:05,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 4468. [2022-11-03 02:22:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4468 states, 4389 states have (on average 2.0223285486443383) internal successors, (8876), 4467 states have internal predecessors, (8876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 8876 transitions. [2022-11-03 02:22:05,658 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 8876 transitions. Word has length 11 [2022-11-03 02:22:05,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:05,658 INFO L495 AbstractCegarLoop]: Abstraction has 4468 states and 8876 transitions. [2022-11-03 02:22:05,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 8876 transitions. [2022-11-03 02:22:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:22:05,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:05,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:05,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:22:05,660 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:05,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash -976417852, now seen corresponding path program 5 times [2022-11-03 02:22:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:05,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184340966] [2022-11-03 02:22:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:06,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:06,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184340966] [2022-11-03 02:22:06,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184340966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:06,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:06,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:06,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917346473] [2022-11-03 02:22:06,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:06,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:06,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:06,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:06,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:06,150 INFO L87 Difference]: Start difference. First operand 4468 states and 8876 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:07,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:07,821 INFO L93 Difference]: Finished difference Result 4682 states and 9250 transitions. [2022-11-03 02:22:07,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:22:07,821 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:22:07,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:07,830 INFO L225 Difference]: With dead ends: 4682 [2022-11-03 02:22:07,830 INFO L226 Difference]: Without dead ends: 4682 [2022-11-03 02:22:07,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:22:07,831 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 305 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:07,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 415 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:22:07,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2022-11-03 02:22:07,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4477. [2022-11-03 02:22:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4477 states, 4398 states have (on average 2.0225102319236017) internal successors, (8895), 4476 states have internal predecessors, (8895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 8895 transitions. [2022-11-03 02:22:07,961 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 8895 transitions. Word has length 11 [2022-11-03 02:22:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:07,961 INFO L495 AbstractCegarLoop]: Abstraction has 4477 states and 8895 transitions. [2022-11-03 02:22:07,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 8895 transitions. [2022-11-03 02:22:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:22:07,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:07,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:07,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:22:07,963 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash -988310772, now seen corresponding path program 6 times [2022-11-03 02:22:07,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:07,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713702243] [2022-11-03 02:22:07,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:08,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:08,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713702243] [2022-11-03 02:22:08,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713702243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:08,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:08,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:08,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180250295] [2022-11-03 02:22:08,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:08,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:08,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:08,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:08,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:08,391 INFO L87 Difference]: Start difference. First operand 4477 states and 8895 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:10,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:10,721 INFO L93 Difference]: Finished difference Result 8613 states and 17040 transitions. [2022-11-03 02:22:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:22:10,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:22:10,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:10,733 INFO L225 Difference]: With dead ends: 8613 [2022-11-03 02:22:10,733 INFO L226 Difference]: Without dead ends: 8613 [2022-11-03 02:22:10,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:22:10,734 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 535 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:10,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 670 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2179 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:22:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8613 states. [2022-11-03 02:22:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8613 to 4481. [2022-11-03 02:22:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4481 states, 4402 states have (on average 2.0227169468423445) internal successors, (8904), 4480 states have internal predecessors, (8904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4481 states and 8904 transitions. [2022-11-03 02:22:10,851 INFO L78 Accepts]: Start accepts. Automaton has 4481 states and 8904 transitions. Word has length 11 [2022-11-03 02:22:10,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:10,851 INFO L495 AbstractCegarLoop]: Abstraction has 4481 states and 8904 transitions. [2022-11-03 02:22:10,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4481 states and 8904 transitions. [2022-11-03 02:22:10,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:22:10,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:10,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:10,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:22:10,853 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:10,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash 585790610, now seen corresponding path program 2 times [2022-11-03 02:22:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:10,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228937468] [2022-11-03 02:22:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:11,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:11,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228937468] [2022-11-03 02:22:11,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228937468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:11,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:11,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:11,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450256029] [2022-11-03 02:22:11,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:11,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:11,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:11,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:11,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:11,272 INFO L87 Difference]: Start difference. First operand 4481 states and 8904 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:13,463 INFO L93 Difference]: Finished difference Result 8729 states and 17262 transitions. [2022-11-03 02:22:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:22:13,464 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:22:13,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:13,498 INFO L225 Difference]: With dead ends: 8729 [2022-11-03 02:22:13,498 INFO L226 Difference]: Without dead ends: 8729 [2022-11-03 02:22:13,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:22:13,499 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 542 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 2013 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:13,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 604 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2013 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:22:13,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8729 states. [2022-11-03 02:22:13,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8729 to 4435. [2022-11-03 02:22:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4435 states, 4356 states have (on average 2.0220385674931127) internal successors, (8808), 4434 states have internal predecessors, (8808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 8808 transitions. [2022-11-03 02:22:13,612 INFO L78 Accepts]: Start accepts. Automaton has 4435 states and 8808 transitions. Word has length 11 [2022-11-03 02:22:13,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:13,613 INFO L495 AbstractCegarLoop]: Abstraction has 4435 states and 8808 transitions. [2022-11-03 02:22:13,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 8808 transitions. [2022-11-03 02:22:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:22:13,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:13,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:13,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:22:13,614 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:13,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:13,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1840027078, now seen corresponding path program 7 times [2022-11-03 02:22:13,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:13,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124551532] [2022-11-03 02:22:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:14,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:14,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124551532] [2022-11-03 02:22:14,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124551532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:14,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:14,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:14,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721557983] [2022-11-03 02:22:14,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:14,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:14,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:14,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:14,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:14,060 INFO L87 Difference]: Start difference. First operand 4435 states and 8808 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:16,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:16,572 INFO L93 Difference]: Finished difference Result 8233 states and 16319 transitions. [2022-11-03 02:22:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:22:16,572 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:22:16,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:16,583 INFO L225 Difference]: With dead ends: 8233 [2022-11-03 02:22:16,583 INFO L226 Difference]: Without dead ends: 8233 [2022-11-03 02:22:16,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:22:16,584 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 668 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:16,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 440 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2156 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:22:16,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8233 states. [2022-11-03 02:22:16,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8233 to 4327. [2022-11-03 02:22:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4327 states, 4250 states have (on average 2.0216470588235294) internal successors, (8592), 4326 states have internal predecessors, (8592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 8592 transitions. [2022-11-03 02:22:16,698 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 8592 transitions. Word has length 11 [2022-11-03 02:22:16,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:16,698 INFO L495 AbstractCegarLoop]: Abstraction has 4327 states and 8592 transitions. [2022-11-03 02:22:16,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:16,698 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 8592 transitions. [2022-11-03 02:22:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:22:16,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:16,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:16,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:22:16,699 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:16,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash -265925696, now seen corresponding path program 3 times [2022-11-03 02:22:16,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:16,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364040633] [2022-11-03 02:22:16,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:17,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:17,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364040633] [2022-11-03 02:22:17,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364040633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:17,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:17,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:17,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64740649] [2022-11-03 02:22:17,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:17,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:17,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:17,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:17,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:17,079 INFO L87 Difference]: Start difference. First operand 4327 states and 8592 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:19,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:19,642 INFO L93 Difference]: Finished difference Result 8415 states and 16673 transitions. [2022-11-03 02:22:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:22:19,642 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:22:19,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:19,654 INFO L225 Difference]: With dead ends: 8415 [2022-11-03 02:22:19,654 INFO L226 Difference]: Without dead ends: 8415 [2022-11-03 02:22:19,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:22:19,655 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 636 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 2682 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 2775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:19,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 467 Invalid, 2775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2682 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:22:19,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8415 states. [2022-11-03 02:22:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8415 to 4113. [2022-11-03 02:22:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4037 states have (on average 2.019073569482289) internal successors, (8151), 4112 states have internal predecessors, (8151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:19,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 8151 transitions. [2022-11-03 02:22:19,803 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 8151 transitions. Word has length 11 [2022-11-03 02:22:19,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:19,804 INFO L495 AbstractCegarLoop]: Abstraction has 4113 states and 8151 transitions. [2022-11-03 02:22:19,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 8151 transitions. [2022-11-03 02:22:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 02:22:19,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:19,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:19,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:22:19,806 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:19,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:19,806 INFO L85 PathProgramCache]: Analyzing trace with hash 314046907, now seen corresponding path program 1 times [2022-11-03 02:22:19,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:19,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148246342] [2022-11-03 02:22:19,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:19,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:20,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:20,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148246342] [2022-11-03 02:22:20,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148246342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:20,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:20,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:22:20,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874778253] [2022-11-03 02:22:20,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:20,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:22:20,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:20,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:22:20,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:22:20,097 INFO L87 Difference]: Start difference. First operand 4113 states and 8151 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:20,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:20,806 INFO L93 Difference]: Finished difference Result 4314 states and 8549 transitions. [2022-11-03 02:22:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:22:20,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 02:22:20,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:20,814 INFO L225 Difference]: With dead ends: 4314 [2022-11-03 02:22:20,814 INFO L226 Difference]: Without dead ends: 4314 [2022-11-03 02:22:20,815 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 [2022-11-03 02:22:20,815 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 100 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:20,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 123 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 02:22:20,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2022-11-03 02:22:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4314. [2022-11-03 02:22:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4314 states, 4238 states have (on average 2.0172251061821616) internal successors, (8549), 4313 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 8549 transitions. [2022-11-03 02:22:20,901 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 8549 transitions. Word has length 14 [2022-11-03 02:22:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:20,901 INFO L495 AbstractCegarLoop]: Abstraction has 4314 states and 8549 transitions. [2022-11-03 02:22:20,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 8549 transitions. [2022-11-03 02:22:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:22:20,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:20,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:20,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:22:20,903 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:20,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:20,904 INFO L85 PathProgramCache]: Analyzing trace with hash -331723312, now seen corresponding path program 1 times [2022-11-03 02:22:20,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:20,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720294544] [2022-11-03 02:22:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:20,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:21,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:21,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720294544] [2022-11-03 02:22:21,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720294544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:21,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:21,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:22:21,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533166862] [2022-11-03 02:22:21,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:21,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:22:21,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:21,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:22:21,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:22:21,221 INFO L87 Difference]: Start difference. First operand 4314 states and 8549 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) [2022-11-03 02:22:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:22,279 INFO L93 Difference]: Finished difference Result 4644 states and 9209 transitions. [2022-11-03 02:22:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:22:22,279 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 [2022-11-03 02:22:22,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:22,285 INFO L225 Difference]: With dead ends: 4644 [2022-11-03 02:22:22,286 INFO L226 Difference]: Without dead ends: 4644 [2022-11-03 02:22:22,286 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 [2022-11-03 02:22:22,286 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 130 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:22,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 128 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:22:22,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2022-11-03 02:22:22,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4575. [2022-11-03 02:22:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 4499 states have (on average 2.0162258279617693) internal successors, (9071), 4574 states have internal predecessors, (9071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 9071 transitions. [2022-11-03 02:22:22,366 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 9071 transitions. Word has length 15 [2022-11-03 02:22:22,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:22,366 INFO L495 AbstractCegarLoop]: Abstraction has 4575 states and 9071 transitions. [2022-11-03 02:22:22,367 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) [2022-11-03 02:22:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 9071 transitions. [2022-11-03 02:22:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:22,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:22,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:22,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:22:22,368 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:22,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:22,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1147870333, now seen corresponding path program 1 times [2022-11-03 02:22:22,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:22,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726994490] [2022-11-03 02:22:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:22,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:22,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:22,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726994490] [2022-11-03 02:22:22,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726994490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:22,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:22,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:22,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188988503] [2022-11-03 02:22:22,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:22,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:22,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:22,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:22,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:22,793 INFO L87 Difference]: Start difference. First operand 4575 states and 9071 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:25,320 INFO L93 Difference]: Finished difference Result 13639 states and 26996 transitions. [2022-11-03 02:22:25,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:22:25,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:25,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:25,344 INFO L225 Difference]: With dead ends: 13639 [2022-11-03 02:22:25,344 INFO L226 Difference]: Without dead ends: 13639 [2022-11-03 02:22:25,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:22:25,345 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 804 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:25,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 530 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:22:25,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13639 states. [2022-11-03 02:22:25,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13639 to 4729. [2022-11-03 02:22:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2022-11-03 02:22:25,466 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2022-11-03 02:22:25,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:25,466 INFO L495 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2022-11-03 02:22:25,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2022-11-03 02:22:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:25,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:25,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:25,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:22:25,468 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:25,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1218622592, now seen corresponding path program 1 times [2022-11-03 02:22:25,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:25,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614173112] [2022-11-03 02:22:25,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:25,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:25,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614173112] [2022-11-03 02:22:25,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614173112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:25,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:25,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:25,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703049137] [2022-11-03 02:22:25,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:25,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:25,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:25,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:25,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:25,965 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:27,530 INFO L93 Difference]: Finished difference Result 13506 states and 26726 transitions. [2022-11-03 02:22:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:27,531 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:27,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:27,551 INFO L225 Difference]: With dead ends: 13506 [2022-11-03 02:22:27,551 INFO L226 Difference]: Without dead ends: 13506 [2022-11-03 02:22:27,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:27,553 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 739 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:27,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 469 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:22:27,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13506 states. [2022-11-03 02:22:27,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13506 to 5135. [2022-11-03 02:22:27,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5135 states, 5059 states have (on average 2.030440798576794) internal successors, (10272), 5134 states have internal predecessors, (10272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:27,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 5135 states and 10272 transitions. [2022-11-03 02:22:27,691 INFO L78 Accepts]: Start accepts. Automaton has 5135 states and 10272 transitions. Word has length 17 [2022-11-03 02:22:27,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:27,692 INFO L495 AbstractCegarLoop]: Abstraction has 5135 states and 10272 transitions. [2022-11-03 02:22:27,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 10272 transitions. [2022-11-03 02:22:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:27,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:27,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:27,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:22:27,694 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:27,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:27,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2050833168, now seen corresponding path program 2 times [2022-11-03 02:22:27,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:27,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412836871] [2022-11-03 02:22:27,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:27,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:28,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:28,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:28,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412836871] [2022-11-03 02:22:28,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412836871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:28,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:28,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:28,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16419712] [2022-11-03 02:22:28,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:28,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:28,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:28,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:28,171 INFO L87 Difference]: Start difference. First operand 5135 states and 10272 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:30,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:30,918 INFO L93 Difference]: Finished difference Result 9765 states and 19401 transitions. [2022-11-03 02:22:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:30,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:30,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:30,934 INFO L225 Difference]: With dead ends: 9765 [2022-11-03 02:22:30,934 INFO L226 Difference]: Without dead ends: 9765 [2022-11-03 02:22:30,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:30,935 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 451 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 2400 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 2477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 2400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:30,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 396 Invalid, 2477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 2400 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:22:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9765 states. [2022-11-03 02:22:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9765 to 5237. [2022-11-03 02:22:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 5161 states have (on average 2.0310017438480914) internal successors, (10482), 5236 states have internal predecessors, (10482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 10482 transitions. [2022-11-03 02:22:31,061 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 10482 transitions. Word has length 17 [2022-11-03 02:22:31,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:31,062 INFO L495 AbstractCegarLoop]: Abstraction has 5237 states and 10482 transitions. [2022-11-03 02:22:31,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 10482 transitions. [2022-11-03 02:22:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:31,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:31,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:31,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:22:31,064 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:31,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:31,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1640611098, now seen corresponding path program 3 times [2022-11-03 02:22:31,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:31,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615300602] [2022-11-03 02:22:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:31,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:31,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:31,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615300602] [2022-11-03 02:22:31,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615300602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:31,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:31,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:31,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650478054] [2022-11-03 02:22:31,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:31,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:31,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:31,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:31,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:31,508 INFO L87 Difference]: Start difference. First operand 5237 states and 10482 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:33,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:33,352 INFO L93 Difference]: Finished difference Result 9355 states and 18504 transitions. [2022-11-03 02:22:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:22:33,352 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:33,364 INFO L225 Difference]: With dead ends: 9355 [2022-11-03 02:22:33,364 INFO L226 Difference]: Without dead ends: 9355 [2022-11-03 02:22:33,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:22:33,364 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 456 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:33,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 366 Invalid, 1807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:22:33,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9355 states. [2022-11-03 02:22:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9355 to 5237. [2022-11-03 02:22:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 5161 states have (on average 2.0310017438480914) internal successors, (10482), 5236 states have internal predecessors, (10482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 10482 transitions. [2022-11-03 02:22:33,478 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 10482 transitions. Word has length 17 [2022-11-03 02:22:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:33,478 INFO L495 AbstractCegarLoop]: Abstraction has 5237 states and 10482 transitions. [2022-11-03 02:22:33,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 10482 transitions. [2022-11-03 02:22:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:33,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:33,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:33,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:22:33,480 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash -616692080, now seen corresponding path program 4 times [2022-11-03 02:22:33,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:33,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914216019] [2022-11-03 02:22:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:33,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:33,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:33,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914216019] [2022-11-03 02:22:33,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914216019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:33,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:33,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:33,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886149374] [2022-11-03 02:22:33,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:33,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:33,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:33,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:33,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:33,887 INFO L87 Difference]: Start difference. First operand 5237 states and 10482 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:35,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:35,532 INFO L93 Difference]: Finished difference Result 9350 states and 18494 transitions. [2022-11-03 02:22:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:22:35,533 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:35,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:35,545 INFO L225 Difference]: With dead ends: 9350 [2022-11-03 02:22:35,545 INFO L226 Difference]: Without dead ends: 9350 [2022-11-03 02:22:35,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:22:35,546 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 399 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:35,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 362 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:22:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9350 states. [2022-11-03 02:22:35,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9350 to 5204. [2022-11-03 02:22:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5204 states, 5128 states have (on average 2.031201248049922) internal successors, (10416), 5203 states have internal predecessors, (10416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 10416 transitions. [2022-11-03 02:22:35,634 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 10416 transitions. Word has length 17 [2022-11-03 02:22:35,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:35,634 INFO L495 AbstractCegarLoop]: Abstraction has 5204 states and 10416 transitions. [2022-11-03 02:22:35,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 10416 transitions. [2022-11-03 02:22:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:35,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:35,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:35,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:22:35,637 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:35,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:35,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1536682877, now seen corresponding path program 2 times [2022-11-03 02:22:35,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:35,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494672087] [2022-11-03 02:22:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:36,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:36,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494672087] [2022-11-03 02:22:36,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494672087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:36,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:36,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:36,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294838480] [2022-11-03 02:22:36,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:36,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:36,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:36,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:36,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:36,056 INFO L87 Difference]: Start difference. First operand 5204 states and 10416 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:38,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:38,421 INFO L93 Difference]: Finished difference Result 9739 states and 19353 transitions. [2022-11-03 02:22:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:22:38,422 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:38,436 INFO L225 Difference]: With dead ends: 9739 [2022-11-03 02:22:38,436 INFO L226 Difference]: Without dead ends: 9739 [2022-11-03 02:22:38,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:38,437 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 561 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:38,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 656 Invalid, 2042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:22:38,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9739 states. [2022-11-03 02:22:38,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9739 to 5264. [2022-11-03 02:22:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5188 states have (on average 2.030840400925212) internal successors, (10536), 5263 states have internal predecessors, (10536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 10536 transitions. [2022-11-03 02:22:38,516 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 10536 transitions. Word has length 17 [2022-11-03 02:22:38,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:38,516 INFO L495 AbstractCegarLoop]: Abstraction has 5264 states and 10536 transitions. [2022-11-03 02:22:38,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 10536 transitions. [2022-11-03 02:22:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:38,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:38,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:38,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:22:38,518 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:38,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:38,518 INFO L85 PathProgramCache]: Analyzing trace with hash -958300403, now seen corresponding path program 3 times [2022-11-03 02:22:38,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:38,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332715425] [2022-11-03 02:22:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:38,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:38,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:38,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332715425] [2022-11-03 02:22:38,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332715425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:38,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:38,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:38,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863937137] [2022-11-03 02:22:38,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:38,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:38,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:38,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:38,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:38,962 INFO L87 Difference]: Start difference. First operand 5264 states and 10536 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:41,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:41,050 INFO L93 Difference]: Finished difference Result 5507 states and 10970 transitions. [2022-11-03 02:22:41,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:22:41,052 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:41,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:41,058 INFO L225 Difference]: With dead ends: 5507 [2022-11-03 02:22:41,058 INFO L226 Difference]: Without dead ends: 5507 [2022-11-03 02:22:41,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:22:41,059 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 393 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:41,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 422 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:22:41,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5507 states. [2022-11-03 02:22:41,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5507 to 5264. [2022-11-03 02:22:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5188 states have (on average 2.030840400925212) internal successors, (10536), 5263 states have internal predecessors, (10536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:41,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 10536 transitions. [2022-11-03 02:22:41,118 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 10536 transitions. Word has length 17 [2022-11-03 02:22:41,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:41,118 INFO L495 AbstractCegarLoop]: Abstraction has 5264 states and 10536 transitions. [2022-11-03 02:22:41,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 10536 transitions. [2022-11-03 02:22:41,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:41,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:41,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:41,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:22:41,120 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:41,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:41,120 INFO L85 PathProgramCache]: Analyzing trace with hash -952044293, now seen corresponding path program 4 times [2022-11-03 02:22:41,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:41,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491752112] [2022-11-03 02:22:41,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:41,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:41,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491752112] [2022-11-03 02:22:41,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491752112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:41,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:41,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:41,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981109394] [2022-11-03 02:22:41,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:41,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:41,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:41,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:41,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:41,592 INFO L87 Difference]: Start difference. First operand 5264 states and 10536 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:44,046 INFO L93 Difference]: Finished difference Result 5545 states and 11046 transitions. [2022-11-03 02:22:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:44,046 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:44,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:44,053 INFO L225 Difference]: With dead ends: 5545 [2022-11-03 02:22:44,053 INFO L226 Difference]: Without dead ends: 5545 [2022-11-03 02:22:44,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:44,054 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 372 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 2363 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:44,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 454 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2363 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:22:44,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2022-11-03 02:22:44,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 5264. [2022-11-03 02:22:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5188 states have (on average 2.030840400925212) internal successors, (10536), 5263 states have internal predecessors, (10536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 10536 transitions. [2022-11-03 02:22:44,121 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 10536 transitions. Word has length 17 [2022-11-03 02:22:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:44,121 INFO L495 AbstractCegarLoop]: Abstraction has 5264 states and 10536 transitions. [2022-11-03 02:22:44,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 10536 transitions. [2022-11-03 02:22:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:44,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:44,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:44,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:22:44,123 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:44,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:44,124 INFO L85 PathProgramCache]: Analyzing trace with hash -757211153, now seen corresponding path program 5 times [2022-11-03 02:22:44,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:44,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379950428] [2022-11-03 02:22:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:44,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:44,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379950428] [2022-11-03 02:22:44,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379950428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:44,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:44,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:44,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145275502] [2022-11-03 02:22:44,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:44,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:44,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:44,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:44,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:44,542 INFO L87 Difference]: Start difference. First operand 5264 states and 10536 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:46,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:46,618 INFO L93 Difference]: Finished difference Result 5582 states and 11121 transitions. [2022-11-03 02:22:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:46,618 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:46,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:46,625 INFO L225 Difference]: With dead ends: 5582 [2022-11-03 02:22:46,625 INFO L226 Difference]: Without dead ends: 5582 [2022-11-03 02:22:46,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:46,626 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 346 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:46,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 430 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:22:46,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5582 states. [2022-11-03 02:22:46,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5582 to 5264. [2022-11-03 02:22:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5188 states have (on average 2.030840400925212) internal successors, (10536), 5263 states have internal predecessors, (10536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 10536 transitions. [2022-11-03 02:22:46,699 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 10536 transitions. Word has length 17 [2022-11-03 02:22:46,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:46,700 INFO L495 AbstractCegarLoop]: Abstraction has 5264 states and 10536 transitions. [2022-11-03 02:22:46,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 10536 transitions. [2022-11-03 02:22:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:46,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:46,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:46,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:22:46,701 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:46,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:46,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1015354521, now seen corresponding path program 6 times [2022-11-03 02:22:46,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:46,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221099727] [2022-11-03 02:22:46,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:46,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:47,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:47,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221099727] [2022-11-03 02:22:47,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221099727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:47,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:47,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:47,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822930131] [2022-11-03 02:22:47,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:47,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:47,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:47,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:47,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:47,123 INFO L87 Difference]: Start difference. First operand 5264 states and 10536 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:49,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:49,144 INFO L93 Difference]: Finished difference Result 5592 states and 11135 transitions. [2022-11-03 02:22:49,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:49,144 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:49,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:49,151 INFO L225 Difference]: With dead ends: 5592 [2022-11-03 02:22:49,151 INFO L226 Difference]: Without dead ends: 5592 [2022-11-03 02:22:49,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:49,151 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 320 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:49,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 430 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:22:49,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5592 states. [2022-11-03 02:22:49,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5592 to 5236. [2022-11-03 02:22:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 5160 states have (on average 2.02984496124031) internal successors, (10474), 5235 states have internal predecessors, (10474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 10474 transitions. [2022-11-03 02:22:49,212 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 10474 transitions. Word has length 17 [2022-11-03 02:22:49,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:49,212 INFO L495 AbstractCegarLoop]: Abstraction has 5236 states and 10474 transitions. [2022-11-03 02:22:49,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 10474 transitions. [2022-11-03 02:22:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:49,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:49,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:49,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:22:49,213 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:49,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash 105989566, now seen corresponding path program 5 times [2022-11-03 02:22:49,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:49,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623540740] [2022-11-03 02:22:49,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:49,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:49,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:49,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623540740] [2022-11-03 02:22:49,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623540740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:49,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:49,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:49,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204959531] [2022-11-03 02:22:49,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:49,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:49,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:49,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:49,612 INFO L87 Difference]: Start difference. First operand 5236 states and 10474 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:51,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:51,804 INFO L93 Difference]: Finished difference Result 9511 states and 18893 transitions. [2022-11-03 02:22:51,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:22:51,804 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:51,816 INFO L225 Difference]: With dead ends: 9511 [2022-11-03 02:22:51,816 INFO L226 Difference]: Without dead ends: 9511 [2022-11-03 02:22:51,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:22:51,817 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 512 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:51,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 637 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 2112 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:22:51,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9511 states. [2022-11-03 02:22:51,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9511 to 5103. [2022-11-03 02:22:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5103 states, 5027 states have (on average 2.0306345733041575) internal successors, (10208), 5102 states have internal predecessors, (10208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 5103 states and 10208 transitions. [2022-11-03 02:22:51,898 INFO L78 Accepts]: Start accepts. Automaton has 5103 states and 10208 transitions. Word has length 17 [2022-11-03 02:22:51,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:51,898 INFO L495 AbstractCegarLoop]: Abstraction has 5103 states and 10208 transitions. [2022-11-03 02:22:51,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 10208 transitions. [2022-11-03 02:22:51,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:51,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:51,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:51,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 02:22:51,899 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:51,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:51,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1808340375, now seen corresponding path program 7 times [2022-11-03 02:22:51,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:51,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005507735] [2022-11-03 02:22:51,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:51,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:52,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:52,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:52,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005507735] [2022-11-03 02:22:52,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005507735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:52,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:52,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:52,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999423766] [2022-11-03 02:22:52,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:52,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:52,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:52,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:52,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:52,285 INFO L87 Difference]: Start difference. First operand 5103 states and 10208 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:54,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:54,290 INFO L93 Difference]: Finished difference Result 8991 states and 17827 transitions. [2022-11-03 02:22:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:22:54,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:54,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:54,302 INFO L225 Difference]: With dead ends: 8991 [2022-11-03 02:22:54,302 INFO L226 Difference]: Without dead ends: 8991 [2022-11-03 02:22:54,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:22:54,303 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 652 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:54,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 439 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 02:22:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8991 states. [2022-11-03 02:22:54,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8991 to 5026. [2022-11-03 02:22:54,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5026 states, 4951 states have (on average 2.0307008685114116) internal successors, (10054), 5025 states have internal predecessors, (10054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5026 states to 5026 states and 10054 transitions. [2022-11-03 02:22:54,393 INFO L78 Accepts]: Start accepts. Automaton has 5026 states and 10054 transitions. Word has length 17 [2022-11-03 02:22:54,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:54,394 INFO L495 AbstractCegarLoop]: Abstraction has 5026 states and 10054 transitions. [2022-11-03 02:22:54,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5026 states and 10054 transitions. [2022-11-03 02:22:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:54,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:54,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:54,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 02:22:54,395 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:54,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:54,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1737588116, now seen corresponding path program 6 times [2022-11-03 02:22:54,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:54,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861742378] [2022-11-03 02:22:54,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:54,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:54,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:54,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861742378] [2022-11-03 02:22:54,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861742378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:54,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:54,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:54,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702948819] [2022-11-03 02:22:54,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:54,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:54,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:54,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:54,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:54,764 INFO L87 Difference]: Start difference. First operand 5026 states and 10054 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:56,291 INFO L93 Difference]: Finished difference Result 8930 states and 17701 transitions. [2022-11-03 02:22:56,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:56,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:56,303 INFO L225 Difference]: With dead ends: 8930 [2022-11-03 02:22:56,303 INFO L226 Difference]: Without dead ends: 8930 [2022-11-03 02:22:56,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:56,304 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 595 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:56,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 392 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:22:56,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8930 states. [2022-11-03 02:22:56,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8930 to 4517. [2022-11-03 02:22:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 4442 states have (on average 2.015983791085097) internal successors, (8955), 4516 states have internal predecessors, (8955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 8955 transitions. [2022-11-03 02:22:56,372 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 8955 transitions. Word has length 17 [2022-11-03 02:22:56,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:56,373 INFO L495 AbstractCegarLoop]: Abstraction has 4517 states and 8955 transitions. [2022-11-03 02:22:56,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 8955 transitions. [2022-11-03 02:22:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:56,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:56,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:56,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:22:56,374 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:56,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:56,374 INFO L85 PathProgramCache]: Analyzing trace with hash -712076580, now seen corresponding path program 7 times [2022-11-03 02:22:56,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:56,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778078190] [2022-11-03 02:22:56,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:56,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:56,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:56,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778078190] [2022-11-03 02:22:56,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778078190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:56,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:56,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:56,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728406291] [2022-11-03 02:22:56,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:56,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:56,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:56,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:56,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:56,769 INFO L87 Difference]: Start difference. First operand 4517 states and 8955 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:58,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:58,430 INFO L93 Difference]: Finished difference Result 8910 states and 17665 transitions. [2022-11-03 02:22:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:58,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:22:58,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:58,442 INFO L225 Difference]: With dead ends: 8910 [2022-11-03 02:22:58,442 INFO L226 Difference]: Without dead ends: 8910 [2022-11-03 02:22:58,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:22:58,443 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 458 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:58,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 283 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:22:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8910 states. [2022-11-03 02:22:58,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8910 to 4519. [2022-11-03 02:22:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 4444 states have (on average 2.015976597659766) internal successors, (8959), 4518 states have internal predecessors, (8959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 8959 transitions. [2022-11-03 02:22:58,513 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 8959 transitions. Word has length 17 [2022-11-03 02:22:58,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:58,513 INFO L495 AbstractCegarLoop]: Abstraction has 4519 states and 8959 transitions. [2022-11-03 02:22:58,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:22:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 8959 transitions. [2022-11-03 02:22:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:22:58,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:58,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:58,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-03 02:22:58,514 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:22:58,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:58,514 INFO L85 PathProgramCache]: Analyzing trace with hash -301854510, now seen corresponding path program 8 times [2022-11-03 02:22:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:58,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735971407] [2022-11-03 02:22:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:58,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:58,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:58,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735971407] [2022-11-03 02:22:58,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735971407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:58,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:58,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:22:58,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938062853] [2022-11-03 02:22:58,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:58,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:22:58,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:58,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:22:58,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:22:58,904 INFO L87 Difference]: Start difference. First operand 4519 states and 8959 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:00,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:00,734 INFO L93 Difference]: Finished difference Result 8952 states and 17749 transitions. [2022-11-03 02:23:00,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:23:00,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:00,770 INFO L225 Difference]: With dead ends: 8952 [2022-11-03 02:23:00,770 INFO L226 Difference]: Without dead ends: 8952 [2022-11-03 02:23:00,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:23:00,771 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 440 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:00,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 286 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:23:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8952 states. [2022-11-03 02:23:00,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8952 to 4518. [2022-11-03 02:23:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4518 states, 4443 states have (on average 2.015980193562908) internal successors, (8957), 4517 states have internal predecessors, (8957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 8957 transitions. [2022-11-03 02:23:00,869 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 8957 transitions. Word has length 17 [2022-11-03 02:23:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:00,869 INFO L495 AbstractCegarLoop]: Abstraction has 4518 states and 8957 transitions. [2022-11-03 02:23:00,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 8957 transitions. [2022-11-03 02:23:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:23:00,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:00,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:00,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 02:23:00,870 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:00,871 INFO L85 PathProgramCache]: Analyzing trace with hash 722064508, now seen corresponding path program 9 times [2022-11-03 02:23:00,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:00,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724834241] [2022-11-03 02:23:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:00,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:01,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:01,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724834241] [2022-11-03 02:23:01,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724834241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:01,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:01,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:01,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745084035] [2022-11-03 02:23:01,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:01,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:01,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:01,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:01,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:01,206 INFO L87 Difference]: Start difference. First operand 4518 states and 8957 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:02,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:02,713 INFO L93 Difference]: Finished difference Result 8976 states and 17797 transitions. [2022-11-03 02:23:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:23:02,713 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:02,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:02,725 INFO L225 Difference]: With dead ends: 8976 [2022-11-03 02:23:02,726 INFO L226 Difference]: Without dead ends: 8976 [2022-11-03 02:23:02,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:23:02,726 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 386 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:02,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 291 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:23:02,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8976 states. [2022-11-03 02:23:02,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8976 to 4510. [2022-11-03 02:23:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2022-11-03 02:23:02,822 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2022-11-03 02:23:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:02,823 INFO L495 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2022-11-03 02:23:02,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2022-11-03 02:23:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:23:02,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:02,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:02,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-03 02:23:02,824 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:02,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1763602238, now seen corresponding path program 10 times [2022-11-03 02:23:02,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:02,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11324506] [2022-11-03 02:23:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:03,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:03,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11324506] [2022-11-03 02:23:03,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11324506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:03,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:03,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:03,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110751035] [2022-11-03 02:23:03,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:03,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:03,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:03,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:03,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:03,149 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:05,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:05,004 INFO L93 Difference]: Finished difference Result 4648 states and 9213 transitions. [2022-11-03 02:23:05,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:23:05,004 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:05,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:05,010 INFO L225 Difference]: With dead ends: 4648 [2022-11-03 02:23:05,011 INFO L226 Difference]: Without dead ends: 4648 [2022-11-03 02:23:05,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:23:05,011 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 218 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:05,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 211 Invalid, 1811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:23:05,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2022-11-03 02:23:05,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 4510. [2022-11-03 02:23:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2022-11-03 02:23:05,093 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2022-11-03 02:23:05,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:05,094 INFO L495 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2022-11-03 02:23:05,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2022-11-03 02:23:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:23:05,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:05,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:05,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-03 02:23:05,095 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:05,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1401645110, now seen corresponding path program 11 times [2022-11-03 02:23:05,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:05,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513468977] [2022-11-03 02:23:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:05,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:05,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:05,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513468977] [2022-11-03 02:23:05,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513468977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:05,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:05,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:05,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137902403] [2022-11-03 02:23:05,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:05,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:05,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:05,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:05,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:05,465 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:07,582 INFO L93 Difference]: Finished difference Result 4682 states and 9281 transitions. [2022-11-03 02:23:07,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:23:07,582 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:07,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:07,588 INFO L225 Difference]: With dead ends: 4682 [2022-11-03 02:23:07,588 INFO L226 Difference]: Without dead ends: 4682 [2022-11-03 02:23:07,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:23:07,589 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 224 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 2077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:07,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 219 Invalid, 2077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:23:07,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2022-11-03 02:23:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4511. [2022-11-03 02:23:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4511 states, 4436 states have (on average 2.016005410279531) internal successors, (8943), 4510 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 8943 transitions. [2022-11-03 02:23:07,674 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 8943 transitions. Word has length 17 [2022-11-03 02:23:07,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:07,674 INFO L495 AbstractCegarLoop]: Abstraction has 4511 states and 8943 transitions. [2022-11-03 02:23:07,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 8943 transitions. [2022-11-03 02:23:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:23:07,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:07,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:07,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-03 02:23:07,675 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:07,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:07,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1811867180, now seen corresponding path program 12 times [2022-11-03 02:23:07,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:07,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144038819] [2022-11-03 02:23:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:07,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:07,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:07,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144038819] [2022-11-03 02:23:07,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144038819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:07,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:07,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:07,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422520708] [2022-11-03 02:23:07,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:07,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:07,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:07,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:07,989 INFO L87 Difference]: Start difference. First operand 4511 states and 8943 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:10,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:10,428 INFO L93 Difference]: Finished difference Result 4691 states and 9299 transitions. [2022-11-03 02:23:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:23:10,429 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:10,437 INFO L225 Difference]: With dead ends: 4691 [2022-11-03 02:23:10,437 INFO L226 Difference]: Without dead ends: 4691 [2022-11-03 02:23:10,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:23:10,438 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 223 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 2382 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:10,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 238 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2382 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:23:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2022-11-03 02:23:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4510. [2022-11-03 02:23:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:10,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2022-11-03 02:23:10,517 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2022-11-03 02:23:10,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:10,517 INFO L495 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2022-11-03 02:23:10,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2022-11-03 02:23:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:23:10,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:10,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:10,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-03 02:23:10,518 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:10,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:10,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1361209182, now seen corresponding path program 13 times [2022-11-03 02:23:10,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:10,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243048168] [2022-11-03 02:23:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:10,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:10,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:10,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243048168] [2022-11-03 02:23:10,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243048168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:10,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:10,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:10,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003993240] [2022-11-03 02:23:10,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:10,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:10,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:10,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:10,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:10,831 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:11,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:11,825 INFO L93 Difference]: Finished difference Result 4652 states and 9221 transitions. [2022-11-03 02:23:11,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:23:11,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:11,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:11,831 INFO L225 Difference]: With dead ends: 4652 [2022-11-03 02:23:11,831 INFO L226 Difference]: Without dead ends: 4652 [2022-11-03 02:23:11,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:23:11,832 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 168 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:11,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 154 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:23:11,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4652 states. [2022-11-03 02:23:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4508. [2022-11-03 02:23:11,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4508 states, 4433 states have (on average 2.0160162418226935) internal successors, (8937), 4507 states have internal predecessors, (8937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 8937 transitions. [2022-11-03 02:23:11,887 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 8937 transitions. Word has length 17 [2022-11-03 02:23:11,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:11,887 INFO L495 AbstractCegarLoop]: Abstraction has 4508 states and 8937 transitions. [2022-11-03 02:23:11,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 8937 transitions. [2022-11-03 02:23:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:23:11,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:11,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:11,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-03 02:23:11,888 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:11,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1771431252, now seen corresponding path program 14 times [2022-11-03 02:23:11,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:11,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592219191] [2022-11-03 02:23:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:12,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:12,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592219191] [2022-11-03 02:23:12,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592219191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:12,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:12,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:12,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339308741] [2022-11-03 02:23:12,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:12,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:12,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:12,225 INFO L87 Difference]: Start difference. First operand 4508 states and 8937 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:13,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:13,722 INFO L93 Difference]: Finished difference Result 4694 states and 9305 transitions. [2022-11-03 02:23:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:23:13,722 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:13,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:13,728 INFO L225 Difference]: With dead ends: 4694 [2022-11-03 02:23:13,728 INFO L226 Difference]: Without dead ends: 4694 [2022-11-03 02:23:13,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:23:13,729 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 167 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:13,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 176 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:23:13,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4694 states. [2022-11-03 02:23:13,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4694 to 4507. [2022-11-03 02:23:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4507 states, 4432 states have (on average 2.0160198555956677) internal successors, (8935), 4506 states have internal predecessors, (8935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4507 states to 4507 states and 8935 transitions. [2022-11-03 02:23:13,781 INFO L78 Accepts]: Start accepts. Automaton has 4507 states and 8935 transitions. Word has length 17 [2022-11-03 02:23:13,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:13,781 INFO L495 AbstractCegarLoop]: Abstraction has 4507 states and 8935 transitions. [2022-11-03 02:23:13,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4507 states and 8935 transitions. [2022-11-03 02:23:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:23:13,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:13,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:13,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-03 02:23:13,782 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:13,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:13,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1499617026, now seen corresponding path program 15 times [2022-11-03 02:23:13,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:13,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921446896] [2022-11-03 02:23:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:13,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:14,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:14,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921446896] [2022-11-03 02:23:14,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921446896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:14,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:14,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:14,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100446248] [2022-11-03 02:23:14,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:14,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:14,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:14,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:14,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:14,094 INFO L87 Difference]: Start difference. First operand 4507 states and 8935 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:15,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:15,413 INFO L93 Difference]: Finished difference Result 4647 states and 9211 transitions. [2022-11-03 02:23:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:23:15,414 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:23:15,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:15,420 INFO L225 Difference]: With dead ends: 4647 [2022-11-03 02:23:15,420 INFO L226 Difference]: Without dead ends: 4647 [2022-11-03 02:23:15,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:23:15,420 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 169 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:15,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 178 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 02:23:15,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4647 states. [2022-11-03 02:23:15,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4647 to 4437. [2022-11-03 02:23:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 4362 states have (on average 2.0162769371847777) internal successors, (8795), 4436 states have internal predecessors, (8795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 8795 transitions. [2022-11-03 02:23:15,471 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 8795 transitions. Word has length 17 [2022-11-03 02:23:15,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:15,472 INFO L495 AbstractCegarLoop]: Abstraction has 4437 states and 8795 transitions. [2022-11-03 02:23:15,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 8795 transitions. [2022-11-03 02:23:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:23:15,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:15,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:15,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-03 02:23:15,472 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:15,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:15,473 INFO L85 PathProgramCache]: Analyzing trace with hash 185222869, now seen corresponding path program 1 times [2022-11-03 02:23:15,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:15,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19020431] [2022-11-03 02:23:15,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:15,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:15,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:15,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19020431] [2022-11-03 02:23:15,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19020431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:15,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:15,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:23:15,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576886257] [2022-11-03 02:23:15,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:15,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:23:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:15,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:23:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:23:15,673 INFO L87 Difference]: Start difference. First operand 4437 states and 8795 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:16,653 INFO L93 Difference]: Finished difference Result 4756 states and 9427 transitions. [2022-11-03 02:23:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:23:16,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-03 02:23:16,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:16,660 INFO L225 Difference]: With dead ends: 4756 [2022-11-03 02:23:16,661 INFO L226 Difference]: Without dead ends: 4756 [2022-11-03 02:23:16,661 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 [2022-11-03 02:23:16,661 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 108 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:16,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 128 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 02:23:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2022-11-03 02:23:16,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4640. [2022-11-03 02:23:16,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 4565 states have (on average 2.0146768893756843) internal successors, (9197), 4639 states have internal predecessors, (9197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 9197 transitions. [2022-11-03 02:23:16,716 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 9197 transitions. Word has length 21 [2022-11-03 02:23:16,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:16,716 INFO L495 AbstractCegarLoop]: Abstraction has 4640 states and 9197 transitions. [2022-11-03 02:23:16,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 9197 transitions. [2022-11-03 02:23:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:23:16,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:16,717 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] [2022-11-03 02:23:16,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-03 02:23:16,717 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:16,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:16,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1922003415, now seen corresponding path program 1 times [2022-11-03 02:23:16,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:16,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353685478] [2022-11-03 02:23:16,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:16,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:16,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353685478] [2022-11-03 02:23:16,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353685478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:16,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:16,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:23:16,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093765125] [2022-11-03 02:23:16,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:16,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:23:16,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:16,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:23:16,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:23:16,942 INFO L87 Difference]: Start difference. First operand 4640 states and 9197 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:18,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:18,049 INFO L93 Difference]: Finished difference Result 5039 states and 9995 transitions. [2022-11-03 02:23:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:23:18,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-11-03 02:23:18,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:18,055 INFO L225 Difference]: With dead ends: 5039 [2022-11-03 02:23:18,055 INFO L226 Difference]: Without dead ends: 5039 [2022-11-03 02:23:18,056 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 [2022-11-03 02:23:18,056 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 134 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:18,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 135 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 02:23:18,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2022-11-03 02:23:18,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 4895. [2022-11-03 02:23:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 4821 states have (on average 2.0134826799419208) internal successors, (9707), 4894 states have internal predecessors, (9707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 9707 transitions. [2022-11-03 02:23:18,113 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 9707 transitions. Word has length 22 [2022-11-03 02:23:18,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:18,113 INFO L495 AbstractCegarLoop]: Abstraction has 4895 states and 9707 transitions. [2022-11-03 02:23:18,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9707 transitions. [2022-11-03 02:23:18,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:18,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:18,114 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] [2022-11-03 02:23:18,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-03 02:23:18,114 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:18,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:18,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2016728388, now seen corresponding path program 1 times [2022-11-03 02:23:18,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:18,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435072924] [2022-11-03 02:23:18,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:18,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:18,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:18,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435072924] [2022-11-03 02:23:18,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435072924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:18,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:18,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:23:18,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521474125] [2022-11-03 02:23:18,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:18,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:23:18,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:18,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:23:18,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:23:18,797 INFO L87 Difference]: Start difference. First operand 4895 states and 9707 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:20,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:20,613 INFO L93 Difference]: Finished difference Result 8346 states and 16529 transitions. [2022-11-03 02:23:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:23:20,613 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:20,627 INFO L225 Difference]: With dead ends: 8346 [2022-11-03 02:23:20,627 INFO L226 Difference]: Without dead ends: 8346 [2022-11-03 02:23:20,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:23:20,628 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 720 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:20,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 233 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:23:20,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2022-11-03 02:23:20,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 4977. [2022-11-03 02:23:20,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4977 states, 4903 states have (on average 2.0140730165204976) internal successors, (9875), 4976 states have internal predecessors, (9875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 9875 transitions. [2022-11-03 02:23:20,703 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 9875 transitions. Word has length 24 [2022-11-03 02:23:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:20,703 INFO L495 AbstractCegarLoop]: Abstraction has 4977 states and 9875 transitions. [2022-11-03 02:23:20,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 9875 transitions. [2022-11-03 02:23:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:20,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:20,704 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] [2022-11-03 02:23:20,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-03 02:23:20,704 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:20,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:20,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1880065632, now seen corresponding path program 1 times [2022-11-03 02:23:20,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:20,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453892283] [2022-11-03 02:23:20,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:20,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:21,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:21,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453892283] [2022-11-03 02:23:21,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453892283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:21,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:21,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:23:21,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980918442] [2022-11-03 02:23:21,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:21,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:23:21,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:21,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:23:21,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:23:21,502 INFO L87 Difference]: Start difference. First operand 4977 states and 9875 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:23,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:23,718 INFO L93 Difference]: Finished difference Result 8342 states and 16511 transitions. [2022-11-03 02:23:23,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:23:23,718 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:23,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:23,730 INFO L225 Difference]: With dead ends: 8342 [2022-11-03 02:23:23,730 INFO L226 Difference]: Without dead ends: 8342 [2022-11-03 02:23:23,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:23:23,731 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 856 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 1675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:23,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 291 Invalid, 1675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 02:23:23,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8342 states. [2022-11-03 02:23:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8342 to 5048. [2022-11-03 02:23:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5048 states, 4974 states have (on average 2.0156815440289506) internal successors, (10026), 5047 states have internal predecessors, (10026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 10026 transitions. [2022-11-03 02:23:23,808 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 10026 transitions. Word has length 24 [2022-11-03 02:23:23,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:23,808 INFO L495 AbstractCegarLoop]: Abstraction has 5048 states and 10026 transitions. [2022-11-03 02:23:23,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 10026 transitions. [2022-11-03 02:23:23,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:23,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:23,809 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] [2022-11-03 02:23:23,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-03 02:23:23,809 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:23,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash -470401788, now seen corresponding path program 2 times [2022-11-03 02:23:23,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:23,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720681933] [2022-11-03 02:23:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:23,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:24,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:24,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720681933] [2022-11-03 02:23:24,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720681933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:24,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:24,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:23:24,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230616881] [2022-11-03 02:23:24,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:24,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:23:24,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:24,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:23:24,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:23:24,948 INFO L87 Difference]: Start difference. First operand 5048 states and 10026 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:29,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:29,141 INFO L93 Difference]: Finished difference Result 14678 states and 29123 transitions. [2022-11-03 02:23:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:23:29,141 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:29,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:29,164 INFO L225 Difference]: With dead ends: 14678 [2022-11-03 02:23:29,164 INFO L226 Difference]: Without dead ends: 14678 [2022-11-03 02:23:29,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:23:29,165 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 910 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 3058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:29,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 488 Invalid, 3058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 02:23:29,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14678 states. [2022-11-03 02:23:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14678 to 5112. [2022-11-03 02:23:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5112 states, 5038 states have (on average 2.0154823342596266) internal successors, (10154), 5111 states have internal predecessors, (10154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5112 states to 5112 states and 10154 transitions. [2022-11-03 02:23:29,271 INFO L78 Accepts]: Start accepts. Automaton has 5112 states and 10154 transitions. Word has length 24 [2022-11-03 02:23:29,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:29,271 INFO L495 AbstractCegarLoop]: Abstraction has 5112 states and 10154 transitions. [2022-11-03 02:23:29,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5112 states and 10154 transitions. [2022-11-03 02:23:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:29,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:29,273 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] [2022-11-03 02:23:29,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-03 02:23:29,273 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:29,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:29,274 INFO L85 PathProgramCache]: Analyzing trace with hash -461767668, now seen corresponding path program 3 times [2022-11-03 02:23:29,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:29,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527276633] [2022-11-03 02:23:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:29,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:30,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:30,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527276633] [2022-11-03 02:23:30,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527276633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:30,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:30,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:23:30,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561758827] [2022-11-03 02:23:30,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:30,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:23:30,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:30,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:23:30,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:23:30,231 INFO L87 Difference]: Start difference. First operand 5112 states and 10154 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:33,703 INFO L93 Difference]: Finished difference Result 14696 states and 29159 transitions. [2022-11-03 02:23:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:23:33,703 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:33,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:33,726 INFO L225 Difference]: With dead ends: 14696 [2022-11-03 02:23:33,726 INFO L226 Difference]: Without dead ends: 14696 [2022-11-03 02:23:33,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2022-11-03 02:23:33,727 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 957 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:33,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 460 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:23:33,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14696 states. [2022-11-03 02:23:33,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14696 to 5109. [2022-11-03 02:23:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5109 states, 5035 states have (on average 2.0154915590863953) internal successors, (10148), 5108 states have internal predecessors, (10148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 10148 transitions. [2022-11-03 02:23:33,861 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 10148 transitions. Word has length 24 [2022-11-03 02:23:33,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:33,861 INFO L495 AbstractCegarLoop]: Abstraction has 5109 states and 10148 transitions. [2022-11-03 02:23:33,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 10148 transitions. [2022-11-03 02:23:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:33,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:33,863 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] [2022-11-03 02:23:33,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-03 02:23:33,863 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:33,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:33,864 INFO L85 PathProgramCache]: Analyzing trace with hash -78789948, now seen corresponding path program 4 times [2022-11-03 02:23:33,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:33,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490179051] [2022-11-03 02:23:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:34,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:34,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490179051] [2022-11-03 02:23:34,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490179051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:34,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:34,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:23:34,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128931178] [2022-11-03 02:23:34,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:34,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:23:34,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:34,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:23:34,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:23:34,638 INFO L87 Difference]: Start difference. First operand 5109 states and 10148 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:39,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:39,181 INFO L93 Difference]: Finished difference Result 14714 states and 29195 transitions. [2022-11-03 02:23:39,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 02:23:39,181 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:39,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:39,208 INFO L225 Difference]: With dead ends: 14714 [2022-11-03 02:23:39,208 INFO L226 Difference]: Without dead ends: 14714 [2022-11-03 02:23:39,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=300, Invalid=692, Unknown=0, NotChecked=0, Total=992 [2022-11-03 02:23:39,209 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 980 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 3330 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 3505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 3330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:39,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 485 Invalid, 3505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 3330 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-03 02:23:39,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14714 states. [2022-11-03 02:23:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14714 to 5106. [2022-11-03 02:23:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5106 states, 5032 states have (on average 2.0155007949125596) internal successors, (10142), 5105 states have internal predecessors, (10142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:39,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 10142 transitions. [2022-11-03 02:23:39,316 INFO L78 Accepts]: Start accepts. Automaton has 5106 states and 10142 transitions. Word has length 24 [2022-11-03 02:23:39,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:39,316 INFO L495 AbstractCegarLoop]: Abstraction has 5106 states and 10142 transitions. [2022-11-03 02:23:39,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5106 states and 10142 transitions. [2022-11-03 02:23:39,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:39,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:39,318 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] [2022-11-03 02:23:39,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-03 02:23:39,318 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:39,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:39,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2120959476, now seen corresponding path program 5 times [2022-11-03 02:23:39,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:39,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450852546] [2022-11-03 02:23:39,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:39,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:40,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:40,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450852546] [2022-11-03 02:23:40,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450852546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:40,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:40,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:23:40,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087700362] [2022-11-03 02:23:40,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:40,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:23:40,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:40,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:23:40,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:23:40,019 INFO L87 Difference]: Start difference. First operand 5106 states and 10142 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:44,466 INFO L93 Difference]: Finished difference Result 14830 states and 29419 transitions. [2022-11-03 02:23:44,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-03 02:23:44,466 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:44,488 INFO L225 Difference]: With dead ends: 14830 [2022-11-03 02:23:44,488 INFO L226 Difference]: Without dead ends: 14830 [2022-11-03 02:23:44,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=468, Invalid=1092, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 02:23:44,489 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 1098 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 3090 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 3322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 3090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:44,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 470 Invalid, 3322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 3090 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:23:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14830 states. [2022-11-03 02:23:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14830 to 5103. [2022-11-03 02:23:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5103 states, 5029 states have (on average 2.0155100417578047) internal successors, (10136), 5102 states have internal predecessors, (10136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 5103 states and 10136 transitions. [2022-11-03 02:23:44,648 INFO L78 Accepts]: Start accepts. Automaton has 5103 states and 10136 transitions. Word has length 24 [2022-11-03 02:23:44,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:44,648 INFO L495 AbstractCegarLoop]: Abstraction has 5103 states and 10136 transitions. [2022-11-03 02:23:44,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 10136 transitions. [2022-11-03 02:23:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:44,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:44,650 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] [2022-11-03 02:23:44,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-03 02:23:44,650 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:44,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:44,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2123059300, now seen corresponding path program 1 times [2022-11-03 02:23:44,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:44,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549993936] [2022-11-03 02:23:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:45,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:45,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549993936] [2022-11-03 02:23:45,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549993936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:45,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:45,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:23:45,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612195272] [2022-11-03 02:23:45,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:45,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:23:45,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:45,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:23:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:23:45,901 INFO L87 Difference]: Start difference. First operand 5103 states and 10136 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:49,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:49,518 INFO L93 Difference]: Finished difference Result 12796 states and 25394 transitions. [2022-11-03 02:23:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:23:49,519 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:49,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:49,538 INFO L225 Difference]: With dead ends: 12796 [2022-11-03 02:23:49,538 INFO L226 Difference]: Without dead ends: 12796 [2022-11-03 02:23:49,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:23:49,539 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 809 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 2515 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 2633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:49,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 503 Invalid, 2633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2515 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:23:49,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12796 states. [2022-11-03 02:23:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12796 to 5236. [2022-11-03 02:23:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 5162 states have (on average 2.0166602092212322) internal successors, (10410), 5235 states have internal predecessors, (10410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 10410 transitions. [2022-11-03 02:23:49,640 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 10410 transitions. Word has length 24 [2022-11-03 02:23:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:49,640 INFO L495 AbstractCegarLoop]: Abstraction has 5236 states and 10410 transitions. [2022-11-03 02:23:49,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 10410 transitions. [2022-11-03 02:23:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:49,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:49,642 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] [2022-11-03 02:23:49,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-03 02:23:49,643 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:49,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash 980419758, now seen corresponding path program 2 times [2022-11-03 02:23:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:49,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035616288] [2022-11-03 02:23:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:49,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:50,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:50,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035616288] [2022-11-03 02:23:50,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035616288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:50,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:50,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:23:50,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538286777] [2022-11-03 02:23:50,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:50,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:23:50,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:50,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:23:50,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:23:50,656 INFO L87 Difference]: Start difference. First operand 5236 states and 10410 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:55,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:55,597 INFO L93 Difference]: Finished difference Result 12787 states and 25376 transitions. [2022-11-03 02:23:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:23:55,598 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:23:55,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:55,615 INFO L225 Difference]: With dead ends: 12787 [2022-11-03 02:23:55,615 INFO L226 Difference]: Without dead ends: 12787 [2022-11-03 02:23:55,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=237, Invalid=519, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:23:55,616 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 785 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:55,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 548 Invalid, 3725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 02:23:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12787 states. [2022-11-03 02:23:55,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12787 to 5244. [2022-11-03 02:23:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5244 states, 5170 states have (on average 2.016634429400387) internal successors, (10426), 5243 states have internal predecessors, (10426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 5244 states and 10426 transitions. [2022-11-03 02:23:55,780 INFO L78 Accepts]: Start accepts. Automaton has 5244 states and 10426 transitions. Word has length 24 [2022-11-03 02:23:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:55,780 INFO L495 AbstractCegarLoop]: Abstraction has 5244 states and 10426 transitions. [2022-11-03 02:23:55,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:23:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5244 states and 10426 transitions. [2022-11-03 02:23:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:23:55,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:55,782 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] [2022-11-03 02:23:55,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-03 02:23:55,782 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:23:55,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:55,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1271641060, now seen corresponding path program 3 times [2022-11-03 02:23:55,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:55,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785790773] [2022-11-03 02:23:55,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:56,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:56,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785790773] [2022-11-03 02:23:56,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785790773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:56,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:56,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:23:56,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323903194] [2022-11-03 02:23:56,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:56,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:23:56,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:56,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:23:56,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:23:56,502 INFO L87 Difference]: Start difference. First operand 5244 states and 10426 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:01,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:01,081 INFO L93 Difference]: Finished difference Result 12811 states and 25424 transitions. [2022-11-03 02:24:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:24:01,082 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:01,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:01,103 INFO L225 Difference]: With dead ends: 12811 [2022-11-03 02:24:01,103 INFO L226 Difference]: Without dead ends: 12811 [2022-11-03 02:24:01,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=276, Invalid=594, Unknown=0, NotChecked=0, Total=870 [2022-11-03 02:24:01,104 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 814 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 3732 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 3858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 3732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:01,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 549 Invalid, 3858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 3732 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:24:01,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12811 states. [2022-11-03 02:24:01,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12811 to 5252. [2022-11-03 02:24:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5252 states, 5178 states have (on average 2.0166087292390884) internal successors, (10442), 5251 states have internal predecessors, (10442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 10442 transitions. [2022-11-03 02:24:01,211 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 10442 transitions. Word has length 24 [2022-11-03 02:24:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:01,211 INFO L495 AbstractCegarLoop]: Abstraction has 5252 states and 10442 transitions. [2022-11-03 02:24:01,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 10442 transitions. [2022-11-03 02:24:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:01,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:01,212 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] [2022-11-03 02:24:01,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-03 02:24:01,213 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:01,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:01,213 INFO L85 PathProgramCache]: Analyzing trace with hash 712464686, now seen corresponding path program 4 times [2022-11-03 02:24:01,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:01,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227331398] [2022-11-03 02:24:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:01,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:01,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:01,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227331398] [2022-11-03 02:24:01,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227331398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:01,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:01,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:24:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135417419] [2022-11-03 02:24:01,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:01,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:24:01,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:01,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:24:01,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:24:01,850 INFO L87 Difference]: Start difference. First operand 5252 states and 10442 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:06,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:06,722 INFO L93 Difference]: Finished difference Result 12939 states and 25680 transitions. [2022-11-03 02:24:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-03 02:24:06,723 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:06,745 INFO L225 Difference]: With dead ends: 12939 [2022-11-03 02:24:06,746 INFO L226 Difference]: Without dead ends: 12939 [2022-11-03 02:24:06,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=458, Invalid=1102, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 02:24:06,747 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1037 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 3081 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 3258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 3081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:06,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 529 Invalid, 3258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 3081 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 02:24:06,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12939 states. [2022-11-03 02:24:06,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12939 to 5260. [2022-11-03 02:24:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5260 states, 5186 states have (on average 2.016583108368685) internal successors, (10458), 5259 states have internal predecessors, (10458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5260 states to 5260 states and 10458 transitions. [2022-11-03 02:24:06,860 INFO L78 Accepts]: Start accepts. Automaton has 5260 states and 10458 transitions. Word has length 24 [2022-11-03 02:24:06,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:06,860 INFO L495 AbstractCegarLoop]: Abstraction has 5260 states and 10458 transitions. [2022-11-03 02:24:06,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5260 states and 10458 transitions. [2022-11-03 02:24:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:06,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:06,861 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] [2022-11-03 02:24:06,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-03 02:24:06,861 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:06,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:06,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1386731052, now seen corresponding path program 1 times [2022-11-03 02:24:06,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:06,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905090972] [2022-11-03 02:24:06,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:06,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:07,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:07,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905090972] [2022-11-03 02:24:07,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905090972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:07,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:07,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:24:07,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231672694] [2022-11-03 02:24:07,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:07,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:24:07,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:07,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:24:07,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:24:07,376 INFO L87 Difference]: Start difference. First operand 5260 states and 10458 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:10,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:10,274 INFO L93 Difference]: Finished difference Result 9100 states and 18033 transitions. [2022-11-03 02:24:10,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 02:24:10,275 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:10,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:10,288 INFO L225 Difference]: With dead ends: 9100 [2022-11-03 02:24:10,288 INFO L226 Difference]: Without dead ends: 9100 [2022-11-03 02:24:10,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=294, Invalid=698, Unknown=0, NotChecked=0, Total=992 [2022-11-03 02:24:10,289 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 961 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:10,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 485 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:24:10,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9100 states. [2022-11-03 02:24:10,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9100 to 5334. [2022-11-03 02:24:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5334 states, 5260 states have (on average 2.017110266159696) internal successors, (10610), 5333 states have internal predecessors, (10610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 10610 transitions. [2022-11-03 02:24:10,372 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 10610 transitions. Word has length 24 [2022-11-03 02:24:10,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:10,372 INFO L495 AbstractCegarLoop]: Abstraction has 5334 states and 10610 transitions. [2022-11-03 02:24:10,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 10610 transitions. [2022-11-03 02:24:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:10,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:10,374 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] [2022-11-03 02:24:10,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-03 02:24:10,374 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:10,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:10,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1737631430, now seen corresponding path program 5 times [2022-11-03 02:24:10,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:10,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555336129] [2022-11-03 02:24:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:10,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:10,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555336129] [2022-11-03 02:24:10,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555336129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:10,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:10,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:24:10,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855071925] [2022-11-03 02:24:10,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:10,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:24:10,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:10,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:24:10,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:24:10,857 INFO L87 Difference]: Start difference. First operand 5334 states and 10610 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:13,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:13,777 INFO L93 Difference]: Finished difference Result 9075 states and 17987 transitions. [2022-11-03 02:24:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-03 02:24:13,778 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:13,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:13,790 INFO L225 Difference]: With dead ends: 9075 [2022-11-03 02:24:13,790 INFO L226 Difference]: Without dead ends: 9075 [2022-11-03 02:24:13,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=304, Invalid=688, Unknown=0, NotChecked=0, Total=992 [2022-11-03 02:24:13,791 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 963 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2489 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 2489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:13,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 547 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 2489 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:24:13,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9075 states. [2022-11-03 02:24:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9075 to 5266. [2022-11-03 02:24:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5266 states, 5192 states have (on average 2.0167565485362093) internal successors, (10471), 5265 states have internal predecessors, (10471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5266 states to 5266 states and 10471 transitions. [2022-11-03 02:24:13,871 INFO L78 Accepts]: Start accepts. Automaton has 5266 states and 10471 transitions. Word has length 24 [2022-11-03 02:24:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:13,872 INFO L495 AbstractCegarLoop]: Abstraction has 5266 states and 10471 transitions. [2022-11-03 02:24:13,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 5266 states and 10471 transitions. [2022-11-03 02:24:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:13,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:13,873 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] [2022-11-03 02:24:13,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-03 02:24:13,873 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:13,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:13,873 INFO L85 PathProgramCache]: Analyzing trace with hash -422563786, now seen corresponding path program 2 times [2022-11-03 02:24:13,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:13,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930386312] [2022-11-03 02:24:13,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:13,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:14,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:14,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930386312] [2022-11-03 02:24:14,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930386312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:14,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:14,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:24:14,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254282090] [2022-11-03 02:24:14,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:14,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:24:14,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:14,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:24:14,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:24:14,251 INFO L87 Difference]: Start difference. First operand 5266 states and 10471 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:17,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:17,150 INFO L93 Difference]: Finished difference Result 9478 states and 18780 transitions. [2022-11-03 02:24:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:24:17,151 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:17,164 INFO L225 Difference]: With dead ends: 9478 [2022-11-03 02:24:17,164 INFO L226 Difference]: Without dead ends: 9478 [2022-11-03 02:24:17,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2022-11-03 02:24:17,165 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 797 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:17,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 372 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2335 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:24:17,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9478 states. [2022-11-03 02:24:17,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9478 to 5386. [2022-11-03 02:24:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5386 states, 5312 states have (on average 2.018448795180723) internal successors, (10722), 5385 states have internal predecessors, (10722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 10722 transitions. [2022-11-03 02:24:17,268 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 10722 transitions. Word has length 24 [2022-11-03 02:24:17,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:17,268 INFO L495 AbstractCegarLoop]: Abstraction has 5386 states and 10722 transitions. [2022-11-03 02:24:17,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 10722 transitions. [2022-11-03 02:24:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:17,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:17,269 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] [2022-11-03 02:24:17,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-03 02:24:17,270 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:17,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:17,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1261885098, now seen corresponding path program 3 times [2022-11-03 02:24:17,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:17,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802058493] [2022-11-03 02:24:17,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:17,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:17,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:17,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802058493] [2022-11-03 02:24:17,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802058493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:17,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:17,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:24:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117792467] [2022-11-03 02:24:17,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:17,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:24:17,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:17,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:24:17,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:24:17,633 INFO L87 Difference]: Start difference. First operand 5386 states and 10722 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:20,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:20,704 INFO L93 Difference]: Finished difference Result 12738 states and 25239 transitions. [2022-11-03 02:24:20,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 02:24:20,704 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:20,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:20,724 INFO L225 Difference]: With dead ends: 12738 [2022-11-03 02:24:20,724 INFO L226 Difference]: Without dead ends: 12738 [2022-11-03 02:24:20,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=294, Invalid=698, Unknown=0, NotChecked=0, Total=992 [2022-11-03 02:24:20,725 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 955 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:20,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 517 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 2463 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:24:20,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12738 states. [2022-11-03 02:24:20,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12738 to 5377. [2022-11-03 02:24:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5377 states, 5303 states have (on average 2.0184801056006036) internal successors, (10704), 5376 states have internal predecessors, (10704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5377 states to 5377 states and 10704 transitions. [2022-11-03 02:24:20,825 INFO L78 Accepts]: Start accepts. Automaton has 5377 states and 10704 transitions. Word has length 24 [2022-11-03 02:24:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:20,826 INFO L495 AbstractCegarLoop]: Abstraction has 5377 states and 10704 transitions. [2022-11-03 02:24:20,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 5377 states and 10704 transitions. [2022-11-03 02:24:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:20,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:20,827 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] [2022-11-03 02:24:20,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-03 02:24:20,827 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:20,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:20,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1862477384, now seen corresponding path program 6 times [2022-11-03 02:24:20,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:20,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588080022] [2022-11-03 02:24:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:20,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:21,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:21,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588080022] [2022-11-03 02:24:21,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588080022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:21,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:21,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:24:21,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598988080] [2022-11-03 02:24:21,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:21,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:24:21,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:21,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:24:21,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:24:21,273 INFO L87 Difference]: Start difference. First operand 5377 states and 10704 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:25,668 INFO L93 Difference]: Finished difference Result 12470 states and 24706 transitions. [2022-11-03 02:24:25,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-03 02:24:25,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:25,688 INFO L225 Difference]: With dead ends: 12470 [2022-11-03 02:24:25,688 INFO L226 Difference]: Without dead ends: 12470 [2022-11-03 02:24:25,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=438, Invalid=1122, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 02:24:25,689 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 926 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 3644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:25,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 600 Invalid, 3644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 02:24:25,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12470 states. [2022-11-03 02:24:25,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12470 to 5371. [2022-11-03 02:24:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5371 states, 5297 states have (on average 2.018689824428922) internal successors, (10693), 5370 states have internal predecessors, (10693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 10693 transitions. [2022-11-03 02:24:25,797 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 10693 transitions. Word has length 24 [2022-11-03 02:24:25,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:25,797 INFO L495 AbstractCegarLoop]: Abstraction has 5371 states and 10693 transitions. [2022-11-03 02:24:25,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:25,797 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 10693 transitions. [2022-11-03 02:24:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:25,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:25,798 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] [2022-11-03 02:24:25,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-03 02:24:25,799 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:25,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1664700990, now seen corresponding path program 6 times [2022-11-03 02:24:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:25,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440487813] [2022-11-03 02:24:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:26,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:26,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440487813] [2022-11-03 02:24:26,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440487813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:26,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:26,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:24:26,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039502463] [2022-11-03 02:24:26,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:26,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:24:26,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:26,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:24:26,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:24:26,394 INFO L87 Difference]: Start difference. First operand 5371 states and 10693 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:29,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:29,184 INFO L93 Difference]: Finished difference Result 10070 states and 20009 transitions. [2022-11-03 02:24:29,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:24:29,185 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:29,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:29,198 INFO L225 Difference]: With dead ends: 10070 [2022-11-03 02:24:29,198 INFO L226 Difference]: Without dead ends: 10070 [2022-11-03 02:24:29,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:24:29,199 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 572 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 2590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:29,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 628 Invalid, 2590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:24:29,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10070 states. [2022-11-03 02:24:29,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10070 to 5425. [2022-11-03 02:24:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5425 states, 5351 states have (on average 2.0185012147262196) internal successors, (10801), 5424 states have internal predecessors, (10801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5425 states to 5425 states and 10801 transitions. [2022-11-03 02:24:29,284 INFO L78 Accepts]: Start accepts. Automaton has 5425 states and 10801 transitions. Word has length 24 [2022-11-03 02:24:29,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:29,285 INFO L495 AbstractCegarLoop]: Abstraction has 5425 states and 10801 transitions. [2022-11-03 02:24:29,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 5425 states and 10801 transitions. [2022-11-03 02:24:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:29,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:29,286 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] [2022-11-03 02:24:29,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-03 02:24:29,286 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:29,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:29,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1673335110, now seen corresponding path program 7 times [2022-11-03 02:24:29,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:29,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080111297] [2022-11-03 02:24:29,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:29,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:29,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:29,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080111297] [2022-11-03 02:24:29,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080111297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:29,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:29,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:24:29,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390484292] [2022-11-03 02:24:29,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:29,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:24:29,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:29,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:24:29,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:24:29,969 INFO L87 Difference]: Start difference. First operand 5425 states and 10801 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:33,761 INFO L93 Difference]: Finished difference Result 10081 states and 20031 transitions. [2022-11-03 02:24:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:24:33,761 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:33,775 INFO L225 Difference]: With dead ends: 10081 [2022-11-03 02:24:33,775 INFO L226 Difference]: Without dead ends: 10081 [2022-11-03 02:24:33,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:24:33,775 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 525 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 3435 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:33,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 668 Invalid, 3536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3435 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 02:24:33,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2022-11-03 02:24:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 5417. [2022-11-03 02:24:33,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5417 states, 5343 states have (on average 2.018528916339135) internal successors, (10785), 5416 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 5417 states and 10785 transitions. [2022-11-03 02:24:33,890 INFO L78 Accepts]: Start accepts. Automaton has 5417 states and 10785 transitions. Word has length 24 [2022-11-03 02:24:33,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:33,890 INFO L495 AbstractCegarLoop]: Abstraction has 5417 states and 10785 transitions. [2022-11-03 02:24:33,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:33,891 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 10785 transitions. [2022-11-03 02:24:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:33,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:33,891 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] [2022-11-03 02:24:33,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-03 02:24:33,892 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:33,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2056312830, now seen corresponding path program 8 times [2022-11-03 02:24:33,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:33,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59311755] [2022-11-03 02:24:33,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:33,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:34,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:34,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59311755] [2022-11-03 02:24:34,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59311755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:34,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:34,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:24:34,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180699902] [2022-11-03 02:24:34,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:34,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:24:34,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:34,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:24:34,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:24:34,545 INFO L87 Difference]: Start difference. First operand 5417 states and 10785 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:37,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:37,465 INFO L93 Difference]: Finished difference Result 10092 states and 20053 transitions. [2022-11-03 02:24:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:24:37,465 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:37,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:37,478 INFO L225 Difference]: With dead ends: 10092 [2022-11-03 02:24:37,478 INFO L226 Difference]: Without dead ends: 10092 [2022-11-03 02:24:37,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:24:37,478 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 647 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:37,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 556 Invalid, 2478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:24:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10092 states. [2022-11-03 02:24:37,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10092 to 5409. [2022-11-03 02:24:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5409 states, 5335 states have (on average 2.0185567010309278) internal successors, (10769), 5408 states have internal predecessors, (10769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5409 states to 5409 states and 10769 transitions. [2022-11-03 02:24:37,559 INFO L78 Accepts]: Start accepts. Automaton has 5409 states and 10769 transitions. Word has length 24 [2022-11-03 02:24:37,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:37,559 INFO L495 AbstractCegarLoop]: Abstraction has 5409 states and 10769 transitions. [2022-11-03 02:24:37,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 5409 states and 10769 transitions. [2022-11-03 02:24:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:37,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:37,561 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] [2022-11-03 02:24:37,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-03 02:24:37,561 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:37,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:37,562 INFO L85 PathProgramCache]: Analyzing trace with hash 14143302, now seen corresponding path program 9 times [2022-11-03 02:24:37,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:37,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957919980] [2022-11-03 02:24:37,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:37,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:38,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:38,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957919980] [2022-11-03 02:24:38,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957919980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:38,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:38,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:24:38,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322137331] [2022-11-03 02:24:38,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:38,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:24:38,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:38,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:24:38,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:24:38,149 INFO L87 Difference]: Start difference. First operand 5409 states and 10769 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:42,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:42,478 INFO L93 Difference]: Finished difference Result 10267 states and 20391 transitions. [2022-11-03 02:24:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-03 02:24:42,478 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:42,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:42,498 INFO L225 Difference]: With dead ends: 10267 [2022-11-03 02:24:42,498 INFO L226 Difference]: Without dead ends: 10267 [2022-11-03 02:24:42,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=347, Invalid=775, Unknown=0, NotChecked=0, Total=1122 [2022-11-03 02:24:42,499 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 530 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 3942 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 4063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:42,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 597 Invalid, 4063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3942 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 02:24:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10267 states. [2022-11-03 02:24:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10267 to 5396. [2022-11-03 02:24:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5396 states, 5322 states have (on average 2.0186020293122886) internal successors, (10743), 5395 states have internal predecessors, (10743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5396 states to 5396 states and 10743 transitions. [2022-11-03 02:24:42,589 INFO L78 Accepts]: Start accepts. Automaton has 5396 states and 10743 transitions. Word has length 24 [2022-11-03 02:24:42,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:42,592 INFO L495 AbstractCegarLoop]: Abstraction has 5396 states and 10743 transitions. [2022-11-03 02:24:42,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5396 states and 10743 transitions. [2022-11-03 02:24:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:42,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:42,594 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] [2022-11-03 02:24:42,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-03 02:24:42,594 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:42,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:42,594 INFO L85 PathProgramCache]: Analyzing trace with hash -209137370, now seen corresponding path program 2 times [2022-11-03 02:24:42,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:42,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197002627] [2022-11-03 02:24:42,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:42,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:43,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:43,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197002627] [2022-11-03 02:24:43,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197002627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:43,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:43,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:24:43,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734927581] [2022-11-03 02:24:43,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:43,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:24:43,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:43,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:24:43,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:24:43,264 INFO L87 Difference]: Start difference. First operand 5396 states and 10743 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:46,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:46,302 INFO L93 Difference]: Finished difference Result 5696 states and 11342 transitions. [2022-11-03 02:24:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:24:46,309 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:46,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:46,317 INFO L225 Difference]: With dead ends: 5696 [2022-11-03 02:24:46,317 INFO L226 Difference]: Without dead ends: 5696 [2022-11-03 02:24:46,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:24:46,317 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 541 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 2431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:46,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 551 Invalid, 2431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:24:46,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5696 states. [2022-11-03 02:24:46,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5696 to 5397. [2022-11-03 02:24:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5397 states, 5323 states have (on average 2.0185985346609057) internal successors, (10745), 5396 states have internal predecessors, (10745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 10745 transitions. [2022-11-03 02:24:46,384 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 10745 transitions. Word has length 24 [2022-11-03 02:24:46,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:46,384 INFO L495 AbstractCegarLoop]: Abstraction has 5397 states and 10745 transitions. [2022-11-03 02:24:46,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 10745 transitions. [2022-11-03 02:24:46,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:46,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:46,386 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] [2022-11-03 02:24:46,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-03 02:24:46,386 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:46,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:46,387 INFO L85 PathProgramCache]: Analyzing trace with hash -203342540, now seen corresponding path program 3 times [2022-11-03 02:24:46,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:46,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508902683] [2022-11-03 02:24:46,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:46,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:46,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:46,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508902683] [2022-11-03 02:24:46,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508902683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:46,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:46,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:24:46,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199106393] [2022-11-03 02:24:46,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:46,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:24:46,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:46,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:24:46,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:24:46,916 INFO L87 Difference]: Start difference. First operand 5397 states and 10745 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:50,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:50,282 INFO L93 Difference]: Finished difference Result 5766 states and 11482 transitions. [2022-11-03 02:24:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:24:50,283 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:50,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:50,290 INFO L225 Difference]: With dead ends: 5766 [2022-11-03 02:24:50,290 INFO L226 Difference]: Without dead ends: 5766 [2022-11-03 02:24:50,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:24:50,291 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 507 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 2730 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 2889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 2730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:50,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 631 Invalid, 2889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 2730 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:24:50,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5766 states. [2022-11-03 02:24:50,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5766 to 5402. [2022-11-03 02:24:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 5328 states have (on average 2.018581081081081) internal successors, (10755), 5401 states have internal predecessors, (10755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 10755 transitions. [2022-11-03 02:24:50,360 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 10755 transitions. Word has length 24 [2022-11-03 02:24:50,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:50,360 INFO L495 AbstractCegarLoop]: Abstraction has 5402 states and 10755 transitions. [2022-11-03 02:24:50,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 10755 transitions. [2022-11-03 02:24:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:50,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:50,361 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] [2022-11-03 02:24:50,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-03 02:24:50,361 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:50,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:50,362 INFO L85 PathProgramCache]: Analyzing trace with hash -22809080, now seen corresponding path program 4 times [2022-11-03 02:24:50,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:50,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295744810] [2022-11-03 02:24:50,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:50,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:50,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295744810] [2022-11-03 02:24:50,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295744810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:50,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:50,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:24:50,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284722484] [2022-11-03 02:24:50,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:50,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:24:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:50,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:24:50,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:24:50,902 INFO L87 Difference]: Start difference. First operand 5402 states and 10755 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:54,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:54,519 INFO L93 Difference]: Finished difference Result 5825 states and 11601 transitions. [2022-11-03 02:24:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:24:54,519 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:54,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:54,527 INFO L225 Difference]: With dead ends: 5825 [2022-11-03 02:24:54,527 INFO L226 Difference]: Without dead ends: 5825 [2022-11-03 02:24:54,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:24:54,527 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 480 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:54,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 654 Invalid, 3324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 3183 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 02:24:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2022-11-03 02:24:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5407. [2022-11-03 02:24:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5407 states, 5333 states have (on average 2.0185636602287644) internal successors, (10765), 5406 states have internal predecessors, (10765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 5407 states and 10765 transitions. [2022-11-03 02:24:54,596 INFO L78 Accepts]: Start accepts. Automaton has 5407 states and 10765 transitions. Word has length 24 [2022-11-03 02:24:54,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:54,597 INFO L495 AbstractCegarLoop]: Abstraction has 5407 states and 10765 transitions. [2022-11-03 02:24:54,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 5407 states and 10765 transitions. [2022-11-03 02:24:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:54,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:54,598 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] [2022-11-03 02:24:54,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-03 02:24:54,598 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:54,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:54,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1306466514, now seen corresponding path program 5 times [2022-11-03 02:24:54,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:54,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568085672] [2022-11-03 02:24:54,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:54,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:55,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:55,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568085672] [2022-11-03 02:24:55,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568085672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:55,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:55,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:24:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557808097] [2022-11-03 02:24:55,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:55,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:24:55,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:55,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:24:55,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:24:55,259 INFO L87 Difference]: Start difference. First operand 5407 states and 10765 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:57,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:57,493 INFO L93 Difference]: Finished difference Result 5885 states and 11721 transitions. [2022-11-03 02:24:57,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:24:57,494 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:24:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:57,501 INFO L225 Difference]: With dead ends: 5885 [2022-11-03 02:24:57,501 INFO L226 Difference]: Without dead ends: 5885 [2022-11-03 02:24:57,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:24:57,502 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 474 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 1885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:57,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 547 Invalid, 1885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:24:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5885 states. [2022-11-03 02:24:57,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5885 to 5412. [2022-11-03 02:24:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5412 states, 5338 states have (on average 2.0185462720119896) internal successors, (10775), 5411 states have internal predecessors, (10775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:57,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 5412 states and 10775 transitions. [2022-11-03 02:24:57,568 INFO L78 Accepts]: Start accepts. Automaton has 5412 states and 10775 transitions. Word has length 24 [2022-11-03 02:24:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:57,568 INFO L495 AbstractCegarLoop]: Abstraction has 5412 states and 10775 transitions. [2022-11-03 02:24:57,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:24:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 5412 states and 10775 transitions. [2022-11-03 02:24:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:24:57,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:57,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:24:57,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-03 02:24:57,569 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:24:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:57,570 INFO L85 PathProgramCache]: Analyzing trace with hash 423211498, now seen corresponding path program 6 times [2022-11-03 02:24:57,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:57,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059163358] [2022-11-03 02:24:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:57,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:58,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:58,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059163358] [2022-11-03 02:24:58,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059163358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:58,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:58,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:24:58,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462229384] [2022-11-03 02:24:58,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:58,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:24:58,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:58,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:24:58,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:24:58,117 INFO L87 Difference]: Start difference. First operand 5412 states and 10775 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:01,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:01,141 INFO L93 Difference]: Finished difference Result 8728 states and 17318 transitions. [2022-11-03 02:25:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:25:01,142 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:01,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:01,154 INFO L225 Difference]: With dead ends: 8728 [2022-11-03 02:25:01,154 INFO L226 Difference]: Without dead ends: 8728 [2022-11-03 02:25:01,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:25:01,155 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 588 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:01,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 621 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:25:01,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8728 states. [2022-11-03 02:25:01,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8728 to 5220. [2022-11-03 02:25:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 5148 states have (on average 2.0176767676767677) internal successors, (10387), 5219 states have internal predecessors, (10387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 10387 transitions. [2022-11-03 02:25:01,240 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 10387 transitions. Word has length 24 [2022-11-03 02:25:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:01,241 INFO L495 AbstractCegarLoop]: Abstraction has 5220 states and 10387 transitions. [2022-11-03 02:25:01,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 10387 transitions. [2022-11-03 02:25:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:01,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:01,242 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] [2022-11-03 02:25:01,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-03 02:25:01,242 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:01,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:01,242 INFO L85 PathProgramCache]: Analyzing trace with hash 559874254, now seen corresponding path program 10 times [2022-11-03 02:25:01,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:01,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602649313] [2022-11-03 02:25:01,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:01,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:01,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:01,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602649313] [2022-11-03 02:25:01,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602649313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:01,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:01,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:25:01,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473568971] [2022-11-03 02:25:01,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:01,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:25:01,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:01,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:25:01,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:25:01,674 INFO L87 Difference]: Start difference. First operand 5220 states and 10387 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:03,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:03,553 INFO L93 Difference]: Finished difference Result 8671 states and 17190 transitions. [2022-11-03 02:25:03,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:25:03,553 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:03,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:03,565 INFO L225 Difference]: With dead ends: 8671 [2022-11-03 02:25:03,565 INFO L226 Difference]: Without dead ends: 8671 [2022-11-03 02:25:03,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:25:03,566 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 461 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:03,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 449 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:25:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8671 states. [2022-11-03 02:25:03,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8671 to 5168. [2022-11-03 02:25:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5096 states have (on average 2.0168759811616956) internal successors, (10278), 5167 states have internal predecessors, (10278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 10278 transitions. [2022-11-03 02:25:03,648 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 10278 transitions. Word has length 24 [2022-11-03 02:25:03,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:03,648 INFO L495 AbstractCegarLoop]: Abstraction has 5168 states and 10278 transitions. [2022-11-03 02:25:03,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 10278 transitions. [2022-11-03 02:25:03,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:03,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:03,649 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] [2022-11-03 02:25:03,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-03 02:25:03,650 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:03,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1000963784, now seen corresponding path program 7 times [2022-11-03 02:25:03,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:03,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281855331] [2022-11-03 02:25:03,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:04,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:04,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281855331] [2022-11-03 02:25:04,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281855331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:04,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:04,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:04,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064756004] [2022-11-03 02:25:04,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:04,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:04,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:04,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:04,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:04,640 INFO L87 Difference]: Start difference. First operand 5168 states and 10278 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:08,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:08,420 INFO L93 Difference]: Finished difference Result 5388 states and 10717 transitions. [2022-11-03 02:25:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:25:08,420 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:08,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:08,430 INFO L225 Difference]: With dead ends: 5388 [2022-11-03 02:25:08,431 INFO L226 Difference]: Without dead ends: 5388 [2022-11-03 02:25:08,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:25:08,431 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 484 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 2860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:08,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 487 Invalid, 2860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:25:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2022-11-03 02:25:08,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5168. [2022-11-03 02:25:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5096 states have (on average 2.0168759811616956) internal successors, (10278), 5167 states have internal predecessors, (10278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 10278 transitions. [2022-11-03 02:25:08,503 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 10278 transitions. Word has length 24 [2022-11-03 02:25:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:08,503 INFO L495 AbstractCegarLoop]: Abstraction has 5168 states and 10278 transitions. [2022-11-03 02:25:08,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 10278 transitions. [2022-11-03 02:25:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:08,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:08,504 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] [2022-11-03 02:25:08,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-03 02:25:08,504 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:08,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:08,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1322884300, now seen corresponding path program 8 times [2022-11-03 02:25:08,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:08,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743306505] [2022-11-03 02:25:08,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:09,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:09,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743306505] [2022-11-03 02:25:09,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743306505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:09,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:09,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:09,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102666717] [2022-11-03 02:25:09,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:09,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:09,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:09,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:09,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:09,219 INFO L87 Difference]: Start difference. First operand 5168 states and 10278 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:12,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:12,078 INFO L93 Difference]: Finished difference Result 5423 states and 10787 transitions. [2022-11-03 02:25:12,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:25:12,078 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:12,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:12,085 INFO L225 Difference]: With dead ends: 5423 [2022-11-03 02:25:12,085 INFO L226 Difference]: Without dead ends: 5423 [2022-11-03 02:25:12,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:25:12,086 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 521 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:12,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 446 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:25:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2022-11-03 02:25:12,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5181. [2022-11-03 02:25:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5181 states, 5109 states have (on average 2.016833039733803) internal successors, (10304), 5180 states have internal predecessors, (10304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 10304 transitions. [2022-11-03 02:25:12,148 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 10304 transitions. Word has length 24 [2022-11-03 02:25:12,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:12,148 INFO L495 AbstractCegarLoop]: Abstraction has 5181 states and 10304 transitions. [2022-11-03 02:25:12,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 10304 transitions. [2022-11-03 02:25:12,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:12,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:12,149 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] [2022-11-03 02:25:12,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-03 02:25:12,149 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:12,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:12,150 INFO L85 PathProgramCache]: Analyzing trace with hash 180244758, now seen corresponding path program 9 times [2022-11-03 02:25:12,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:12,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549026665] [2022-11-03 02:25:12,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:12,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:12,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549026665] [2022-11-03 02:25:12,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549026665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:12,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:12,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:12,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578909347] [2022-11-03 02:25:12,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:12,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:12,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:12,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:12,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:12,803 INFO L87 Difference]: Start difference. First operand 5181 states and 10304 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:15,554 INFO L93 Difference]: Finished difference Result 5423 states and 10786 transitions. [2022-11-03 02:25:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:25:15,554 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:15,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:15,562 INFO L225 Difference]: With dead ends: 5423 [2022-11-03 02:25:15,562 INFO L226 Difference]: Without dead ends: 5423 [2022-11-03 02:25:15,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=216, Invalid=434, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:25:15,562 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 486 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 2413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:15,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 456 Invalid, 2413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2335 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:25:15,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2022-11-03 02:25:15,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5168. [2022-11-03 02:25:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5096 states have (on average 2.0168759811616956) internal successors, (10278), 5167 states have internal predecessors, (10278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 10278 transitions. [2022-11-03 02:25:15,660 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 10278 transitions. Word has length 24 [2022-11-03 02:25:15,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:15,660 INFO L495 AbstractCegarLoop]: Abstraction has 5168 states and 10278 transitions. [2022-11-03 02:25:15,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 10278 transitions. [2022-11-03 02:25:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:15,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:15,661 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] [2022-11-03 02:25:15,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-03 02:25:15,662 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:15,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:15,662 INFO L85 PathProgramCache]: Analyzing trace with hash 362103654, now seen corresponding path program 10 times [2022-11-03 02:25:15,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:15,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335665665] [2022-11-03 02:25:15,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:16,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:16,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335665665] [2022-11-03 02:25:16,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335665665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:16,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:16,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:16,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796413555] [2022-11-03 02:25:16,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:16,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:16,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:16,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:16,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:16,331 INFO L87 Difference]: Start difference. First operand 5168 states and 10278 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:18,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:18,793 INFO L93 Difference]: Finished difference Result 5437 states and 10816 transitions. [2022-11-03 02:25:18,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:25:18,793 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:18,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:18,800 INFO L225 Difference]: With dead ends: 5437 [2022-11-03 02:25:18,800 INFO L226 Difference]: Without dead ends: 5437 [2022-11-03 02:25:18,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:25:18,801 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 443 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 2260 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 2364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:18,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 455 Invalid, 2364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2260 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:25:18,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5437 states. [2022-11-03 02:25:18,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5437 to 5194. [2022-11-03 02:25:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5194 states, 5122 states have (on average 2.016790316282702) internal successors, (10330), 5193 states have internal predecessors, (10330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 5194 states and 10330 transitions. [2022-11-03 02:25:18,888 INFO L78 Accepts]: Start accepts. Automaton has 5194 states and 10330 transitions. Word has length 24 [2022-11-03 02:25:18,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:18,888 INFO L495 AbstractCegarLoop]: Abstraction has 5194 states and 10330 transitions. [2022-11-03 02:25:18,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5194 states and 10330 transitions. [2022-11-03 02:25:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:18,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:18,889 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] [2022-11-03 02:25:18,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-03 02:25:18,889 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:18,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:18,890 INFO L85 PathProgramCache]: Analyzing trace with hash -780535888, now seen corresponding path program 11 times [2022-11-03 02:25:18,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:18,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446442131] [2022-11-03 02:25:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:18,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:19,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:19,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446442131] [2022-11-03 02:25:19,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446442131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:19,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:19,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:19,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068903147] [2022-11-03 02:25:19,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:19,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:19,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:19,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:19,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:19,515 INFO L87 Difference]: Start difference. First operand 5194 states and 10330 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:22,956 INFO L93 Difference]: Finished difference Result 5459 states and 10858 transitions. [2022-11-03 02:25:22,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:25:22,957 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:22,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:22,963 INFO L225 Difference]: With dead ends: 5459 [2022-11-03 02:25:22,963 INFO L226 Difference]: Without dead ends: 5459 [2022-11-03 02:25:22,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:25:22,964 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 493 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 3035 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 3035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:22,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 493 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 3035 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:25:22,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5459 states. [2022-11-03 02:25:23,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5459 to 5181. [2022-11-03 02:25:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5181 states, 5109 states have (on average 2.016833039733803) internal successors, (10304), 5180 states have internal predecessors, (10304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 10304 transitions. [2022-11-03 02:25:23,041 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 10304 transitions. Word has length 24 [2022-11-03 02:25:23,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:23,041 INFO L495 AbstractCegarLoop]: Abstraction has 5181 states and 10304 transitions. [2022-11-03 02:25:23,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 10304 transitions. [2022-11-03 02:25:23,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:23,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:23,042 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] [2022-11-03 02:25:23,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-03 02:25:23,042 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:23,042 INFO L85 PathProgramCache]: Analyzing trace with hash -489314586, now seen corresponding path program 12 times [2022-11-03 02:25:23,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:23,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094928942] [2022-11-03 02:25:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:23,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:23,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:23,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094928942] [2022-11-03 02:25:23,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094928942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:23,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:23,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:23,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150138540] [2022-11-03 02:25:23,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:23,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:23,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:23,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:23,624 INFO L87 Difference]: Start difference. First operand 5181 states and 10304 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:26,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:26,236 INFO L93 Difference]: Finished difference Result 5458 states and 10855 transitions. [2022-11-03 02:25:26,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:25:26,236 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:26,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:26,243 INFO L225 Difference]: With dead ends: 5458 [2022-11-03 02:25:26,243 INFO L226 Difference]: Without dead ends: 5458 [2022-11-03 02:25:26,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=287, Invalid=583, Unknown=0, NotChecked=0, Total=870 [2022-11-03 02:25:26,243 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 549 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:26,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 428 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1614 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 02:25:26,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5458 states. [2022-11-03 02:25:26,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5458 to 5168. [2022-11-03 02:25:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5096 states have (on average 2.0168759811616956) internal successors, (10278), 5167 states have internal predecessors, (10278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:26,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 10278 transitions. [2022-11-03 02:25:26,307 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 10278 transitions. Word has length 24 [2022-11-03 02:25:26,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:26,308 INFO L495 AbstractCegarLoop]: Abstraction has 5168 states and 10278 transitions. [2022-11-03 02:25:26,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 10278 transitions. [2022-11-03 02:25:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:26,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:26,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:26,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-03 02:25:26,309 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:26,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:26,309 INFO L85 PathProgramCache]: Analyzing trace with hash 795275182, now seen corresponding path program 13 times [2022-11-03 02:25:26,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:26,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649240280] [2022-11-03 02:25:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:26,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:27,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:27,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:27,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649240280] [2022-11-03 02:25:27,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649240280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:27,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:27,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:27,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857970350] [2022-11-03 02:25:27,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:27,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:27,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:27,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:27,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:27,013 INFO L87 Difference]: Start difference. First operand 5168 states and 10278 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:29,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:29,581 INFO L93 Difference]: Finished difference Result 5465 states and 10872 transitions. [2022-11-03 02:25:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:25:29,582 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:29,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:29,588 INFO L225 Difference]: With dead ends: 5465 [2022-11-03 02:25:29,588 INFO L226 Difference]: Without dead ends: 5465 [2022-11-03 02:25:29,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:25:29,589 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 422 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:29,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 448 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2275 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:25:29,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5465 states. [2022-11-03 02:25:29,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5465 to 5207. [2022-11-03 02:25:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5207 states, 5135 states have (on average 2.0167478091528723) internal successors, (10356), 5206 states have internal predecessors, (10356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 5207 states and 10356 transitions. [2022-11-03 02:25:29,652 INFO L78 Accepts]: Start accepts. Automaton has 5207 states and 10356 transitions. Word has length 24 [2022-11-03 02:25:29,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:29,652 INFO L495 AbstractCegarLoop]: Abstraction has 5207 states and 10356 transitions. [2022-11-03 02:25:29,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand 5207 states and 10356 transitions. [2022-11-03 02:25:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:29,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:29,653 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] [2022-11-03 02:25:29,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-03 02:25:29,654 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:29,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:29,654 INFO L85 PathProgramCache]: Analyzing trace with hash -347364360, now seen corresponding path program 14 times [2022-11-03 02:25:29,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:29,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783940548] [2022-11-03 02:25:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:29,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:30,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:30,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783940548] [2022-11-03 02:25:30,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783940548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:30,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:30,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:30,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112251604] [2022-11-03 02:25:30,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:30,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:30,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:30,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:30,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:30,336 INFO L87 Difference]: Start difference. First operand 5207 states and 10356 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:32,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:32,916 INFO L93 Difference]: Finished difference Result 5479 states and 10900 transitions. [2022-11-03 02:25:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:25:32,917 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:32,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:32,923 INFO L225 Difference]: With dead ends: 5479 [2022-11-03 02:25:32,923 INFO L226 Difference]: Without dead ends: 5479 [2022-11-03 02:25:32,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:25:32,924 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 416 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:32,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 450 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 2320 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:25:32,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5479 states. [2022-11-03 02:25:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5479 to 5194. [2022-11-03 02:25:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5194 states, 5122 states have (on average 2.016790316282702) internal successors, (10330), 5193 states have internal predecessors, (10330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 5194 states and 10330 transitions. [2022-11-03 02:25:32,994 INFO L78 Accepts]: Start accepts. Automaton has 5194 states and 10330 transitions. Word has length 24 [2022-11-03 02:25:32,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:32,995 INFO L495 AbstractCegarLoop]: Abstraction has 5194 states and 10330 transitions. [2022-11-03 02:25:32,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5194 states and 10330 transitions. [2022-11-03 02:25:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:32,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:32,996 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] [2022-11-03 02:25:32,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-11-03 02:25:32,996 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:32,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:32,997 INFO L85 PathProgramCache]: Analyzing trace with hash -56143058, now seen corresponding path program 15 times [2022-11-03 02:25:32,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:32,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386503421] [2022-11-03 02:25:32,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:32,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:33,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:33,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386503421] [2022-11-03 02:25:33,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386503421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:33,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:33,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:33,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804917976] [2022-11-03 02:25:33,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:33,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:33,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:33,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:33,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:33,556 INFO L87 Difference]: Start difference. First operand 5194 states and 10330 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:36,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:36,620 INFO L93 Difference]: Finished difference Result 5495 states and 10929 transitions. [2022-11-03 02:25:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:25:36,620 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:36,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:36,627 INFO L225 Difference]: With dead ends: 5495 [2022-11-03 02:25:36,627 INFO L226 Difference]: Without dead ends: 5495 [2022-11-03 02:25:36,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=294, Invalid=636, Unknown=0, NotChecked=0, Total=930 [2022-11-03 02:25:36,627 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 525 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 2195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:36,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 445 Invalid, 2195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:25:36,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2022-11-03 02:25:36,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5181. [2022-11-03 02:25:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5181 states, 5109 states have (on average 2.016833039733803) internal successors, (10304), 5180 states have internal predecessors, (10304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 10304 transitions. [2022-11-03 02:25:36,690 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 10304 transitions. Word has length 24 [2022-11-03 02:25:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:36,691 INFO L495 AbstractCegarLoop]: Abstraction has 5181 states and 10304 transitions. [2022-11-03 02:25:36,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 10304 transitions. [2022-11-03 02:25:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:36,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:36,692 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] [2022-11-03 02:25:36,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-11-03 02:25:36,692 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:36,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:36,693 INFO L85 PathProgramCache]: Analyzing trace with hash -615319432, now seen corresponding path program 16 times [2022-11-03 02:25:36,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:36,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626635662] [2022-11-03 02:25:36,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:36,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:37,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:37,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626635662] [2022-11-03 02:25:37,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626635662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:37,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:37,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:37,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682174965] [2022-11-03 02:25:37,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:37,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:37,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:37,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:37,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:37,186 INFO L87 Difference]: Start difference. First operand 5181 states and 10304 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:39,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:39,948 INFO L93 Difference]: Finished difference Result 5493 states and 10924 transitions. [2022-11-03 02:25:39,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-03 02:25:39,949 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:39,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:39,955 INFO L225 Difference]: With dead ends: 5493 [2022-11-03 02:25:39,956 INFO L226 Difference]: Without dead ends: 5493 [2022-11-03 02:25:39,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=365, Invalid=757, Unknown=0, NotChecked=0, Total=1122 [2022-11-03 02:25:39,956 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 521 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 2449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:39,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 464 Invalid, 2449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2309 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:25:39,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5493 states. [2022-11-03 02:25:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5493 to 5168. [2022-11-03 02:25:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5096 states have (on average 2.0168759811616956) internal successors, (10278), 5167 states have internal predecessors, (10278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 10278 transitions. [2022-11-03 02:25:40,022 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 10278 transitions. Word has length 24 [2022-11-03 02:25:40,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:40,022 INFO L495 AbstractCegarLoop]: Abstraction has 5168 states and 10278 transitions. [2022-11-03 02:25:40,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 10278 transitions. [2022-11-03 02:25:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:40,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:40,023 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] [2022-11-03 02:25:40,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-11-03 02:25:40,023 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:40,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:40,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1410366822, now seen corresponding path program 17 times [2022-11-03 02:25:40,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:40,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732274220] [2022-11-03 02:25:40,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:40,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:40,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732274220] [2022-11-03 02:25:40,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732274220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:40,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:40,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:40,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142050106] [2022-11-03 02:25:40,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:40,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:40,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:40,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:40,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:40,699 INFO L87 Difference]: Start difference. First operand 5168 states and 10278 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:44,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:44,108 INFO L93 Difference]: Finished difference Result 9796 states and 19458 transitions. [2022-11-03 02:25:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:25:44,109 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:44,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:44,122 INFO L225 Difference]: With dead ends: 9796 [2022-11-03 02:25:44,122 INFO L226 Difference]: Without dead ends: 9796 [2022-11-03 02:25:44,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:25:44,123 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 673 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 3199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:44,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 726 Invalid, 3199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:25:44,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9796 states. [2022-11-03 02:25:44,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9796 to 5192. [2022-11-03 02:25:44,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5192 states, 5120 states have (on average 2.016796875) internal successors, (10326), 5191 states have internal predecessors, (10326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 10326 transitions. [2022-11-03 02:25:44,208 INFO L78 Accepts]: Start accepts. Automaton has 5192 states and 10326 transitions. Word has length 24 [2022-11-03 02:25:44,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:44,209 INFO L495 AbstractCegarLoop]: Abstraction has 5192 states and 10326 transitions. [2022-11-03 02:25:44,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5192 states and 10326 transitions. [2022-11-03 02:25:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:44,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:44,210 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] [2022-11-03 02:25:44,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-11-03 02:25:44,210 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:44,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:44,211 INFO L85 PathProgramCache]: Analyzing trace with hash 267727280, now seen corresponding path program 18 times [2022-11-03 02:25:44,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:44,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016354582] [2022-11-03 02:25:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:44,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:44,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:44,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016354582] [2022-11-03 02:25:44,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016354582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:44,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:44,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:44,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662316420] [2022-11-03 02:25:44,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:44,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:44,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:44,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:44,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:44,838 INFO L87 Difference]: Start difference. First operand 5192 states and 10326 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:47,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:47,705 INFO L93 Difference]: Finished difference Result 9807 states and 19480 transitions. [2022-11-03 02:25:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:25:47,705 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:47,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:47,718 INFO L225 Difference]: With dead ends: 9807 [2022-11-03 02:25:47,718 INFO L226 Difference]: Without dead ends: 9807 [2022-11-03 02:25:47,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:25:47,719 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 679 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:47,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 684 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2428 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:25:47,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2022-11-03 02:25:47,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 5179. [2022-11-03 02:25:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5179 states, 5107 states have (on average 2.0168396318778146) internal successors, (10300), 5178 states have internal predecessors, (10300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:47,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 5179 states and 10300 transitions. [2022-11-03 02:25:47,801 INFO L78 Accepts]: Start accepts. Automaton has 5179 states and 10300 transitions. Word has length 24 [2022-11-03 02:25:47,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:47,801 INFO L495 AbstractCegarLoop]: Abstraction has 5179 states and 10300 transitions. [2022-11-03 02:25:47,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10300 transitions. [2022-11-03 02:25:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:47,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:47,802 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] [2022-11-03 02:25:47,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-11-03 02:25:47,803 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:47,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:47,803 INFO L85 PathProgramCache]: Analyzing trace with hash 558948582, now seen corresponding path program 19 times [2022-11-03 02:25:47,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:47,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618410635] [2022-11-03 02:25:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:48,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:48,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618410635] [2022-11-03 02:25:48,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618410635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:48,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:48,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:48,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887985223] [2022-11-03 02:25:48,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:48,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:48,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:48,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:48,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:48,375 INFO L87 Difference]: Start difference. First operand 5179 states and 10300 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:51,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:51,783 INFO L93 Difference]: Finished difference Result 9818 states and 19502 transitions. [2022-11-03 02:25:51,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:25:51,783 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:51,796 INFO L225 Difference]: With dead ends: 9818 [2022-11-03 02:25:51,796 INFO L226 Difference]: Without dead ends: 9818 [2022-11-03 02:25:51,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:25:51,796 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 679 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 3487 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 3597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 3487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:51,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 736 Invalid, 3597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 3487 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:25:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9818 states. [2022-11-03 02:25:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9818 to 5166. [2022-11-03 02:25:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5094 states have (on average 2.016882606988614) internal successors, (10274), 5165 states have internal predecessors, (10274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 10274 transitions. [2022-11-03 02:25:51,878 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 10274 transitions. Word has length 24 [2022-11-03 02:25:51,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:51,878 INFO L495 AbstractCegarLoop]: Abstraction has 5166 states and 10274 transitions. [2022-11-03 02:25:51,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 10274 transitions. [2022-11-03 02:25:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:51,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:51,880 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] [2022-11-03 02:25:51,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-11-03 02:25:51,880 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:51,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:51,880 INFO L85 PathProgramCache]: Analyzing trace with hash -227792, now seen corresponding path program 20 times [2022-11-03 02:25:51,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:51,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938508295] [2022-11-03 02:25:51,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:51,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:52,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:52,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938508295] [2022-11-03 02:25:52,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938508295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:52,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:52,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:52,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700295484] [2022-11-03 02:25:52,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:52,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:52,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:52,393 INFO L87 Difference]: Start difference. First operand 5166 states and 10274 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:55,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:55,441 INFO L93 Difference]: Finished difference Result 9957 states and 19776 transitions. [2022-11-03 02:25:55,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-03 02:25:55,442 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:55,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:55,455 INFO L225 Difference]: With dead ends: 9957 [2022-11-03 02:25:55,455 INFO L226 Difference]: Without dead ends: 9957 [2022-11-03 02:25:55,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=416, Invalid=990, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 02:25:55,456 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 712 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 2604 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:55,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 728 Invalid, 2761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2604 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:25:55,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2022-11-03 02:25:55,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 5143. [2022-11-03 02:25:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5143 states, 5071 states have (on average 2.0169591796489845) internal successors, (10228), 5142 states have internal predecessors, (10228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 10228 transitions. [2022-11-03 02:25:55,552 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 10228 transitions. Word has length 24 [2022-11-03 02:25:55,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:55,552 INFO L495 AbstractCegarLoop]: Abstraction has 5143 states and 10228 transitions. [2022-11-03 02:25:55,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 10228 transitions. [2022-11-03 02:25:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:55,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:55,554 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] [2022-11-03 02:25:55,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-11-03 02:25:55,554 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:55,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:55,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1582247320, now seen corresponding path program 11 times [2022-11-03 02:25:55,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:55,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167735369] [2022-11-03 02:25:55,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:55,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:56,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:56,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167735369] [2022-11-03 02:25:56,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167735369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:56,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:56,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:25:56,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060827089] [2022-11-03 02:25:56,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:56,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:25:56,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:56,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:25:56,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:56,058 INFO L87 Difference]: Start difference. First operand 5143 states and 10228 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:59,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:59,485 INFO L93 Difference]: Finished difference Result 9880 states and 19612 transitions. [2022-11-03 02:25:59,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:25:59,486 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:25:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:59,499 INFO L225 Difference]: With dead ends: 9880 [2022-11-03 02:25:59,499 INFO L226 Difference]: Without dead ends: 9880 [2022-11-03 02:25:59,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2022-11-03 02:25:59,500 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 786 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 2891 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:59,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 496 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2891 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-03 02:25:59,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9880 states. [2022-11-03 02:25:59,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9880 to 5135. [2022-11-03 02:25:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5135 states, 5063 states have (on average 2.0169859766936598) internal successors, (10212), 5134 states have internal predecessors, (10212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 5135 states and 10212 transitions. [2022-11-03 02:25:59,587 INFO L78 Accepts]: Start accepts. Automaton has 5135 states and 10212 transitions. Word has length 24 [2022-11-03 02:25:59,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:59,587 INFO L495 AbstractCegarLoop]: Abstraction has 5135 states and 10212 transitions. [2022-11-03 02:25:59,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:25:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 10212 transitions. [2022-11-03 02:25:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:25:59,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:59,588 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] [2022-11-03 02:25:59,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-11-03 02:25:59,589 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:25:59,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:59,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1590881440, now seen corresponding path program 12 times [2022-11-03 02:25:59,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:59,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841617331] [2022-11-03 02:25:59,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:00,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:00,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841617331] [2022-11-03 02:26:00,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841617331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:00,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:00,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:00,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579841073] [2022-11-03 02:26:00,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:00,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:00,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:00,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:00,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:00,258 INFO L87 Difference]: Start difference. First operand 5135 states and 10212 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:04,647 INFO L93 Difference]: Finished difference Result 9898 states and 19648 transitions. [2022-11-03 02:26:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:26:04,647 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:04,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:04,660 INFO L225 Difference]: With dead ends: 9898 [2022-11-03 02:26:04,660 INFO L226 Difference]: Without dead ends: 9898 [2022-11-03 02:26:04,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=317, Invalid=739, Unknown=0, NotChecked=0, Total=1056 [2022-11-03 02:26:04,661 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 788 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 3580 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:04,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 522 Invalid, 3721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 3580 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:26:04,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9898 states. [2022-11-03 02:26:04,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9898 to 5127. [2022-11-03 02:26:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5127 states, 5055 states have (on average 2.0170128585558853) internal successors, (10196), 5126 states have internal predecessors, (10196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 10196 transitions. [2022-11-03 02:26:04,743 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 10196 transitions. Word has length 24 [2022-11-03 02:26:04,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:04,744 INFO L495 AbstractCegarLoop]: Abstraction has 5127 states and 10196 transitions. [2022-11-03 02:26:04,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 10196 transitions. [2022-11-03 02:26:04,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:04,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:04,745 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] [2022-11-03 02:26:04,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-11-03 02:26:04,745 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:04,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:04,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1973859160, now seen corresponding path program 13 times [2022-11-03 02:26:04,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:04,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329358404] [2022-11-03 02:26:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:04,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:05,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:05,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329358404] [2022-11-03 02:26:05,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329358404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:05,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:05,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:05,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179836255] [2022-11-03 02:26:05,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:05,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:05,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:05,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:05,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:05,288 INFO L87 Difference]: Start difference. First operand 5127 states and 10196 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:08,322 INFO L93 Difference]: Finished difference Result 9916 states and 19684 transitions. [2022-11-03 02:26:08,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 02:26:08,322 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:08,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:08,336 INFO L225 Difference]: With dead ends: 9916 [2022-11-03 02:26:08,336 INFO L226 Difference]: Without dead ends: 9916 [2022-11-03 02:26:08,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 02:26:08,336 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 812 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 2646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:08,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 469 Invalid, 2646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:26:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9916 states. [2022-11-03 02:26:08,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9916 to 5119. [2022-11-03 02:26:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 5047 states have (on average 2.0170398256389936) internal successors, (10180), 5118 states have internal predecessors, (10180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 10180 transitions. [2022-11-03 02:26:08,420 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 10180 transitions. Word has length 24 [2022-11-03 02:26:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:08,420 INFO L495 AbstractCegarLoop]: Abstraction has 5119 states and 10180 transitions. [2022-11-03 02:26:08,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 10180 transitions. [2022-11-03 02:26:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:08,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:08,421 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] [2022-11-03 02:26:08,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-11-03 02:26:08,421 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:08,421 INFO L85 PathProgramCache]: Analyzing trace with hash -68310368, now seen corresponding path program 14 times [2022-11-03 02:26:08,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:08,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316349376] [2022-11-03 02:26:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:08,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:08,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316349376] [2022-11-03 02:26:08,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316349376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:08,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:08,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:08,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901002631] [2022-11-03 02:26:08,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:08,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:08,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:08,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:08,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:08,904 INFO L87 Difference]: Start difference. First operand 5119 states and 10180 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:11,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:11,786 INFO L93 Difference]: Finished difference Result 9900 states and 19652 transitions. [2022-11-03 02:26:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-03 02:26:11,786 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:11,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:11,800 INFO L225 Difference]: With dead ends: 9900 [2022-11-03 02:26:11,800 INFO L226 Difference]: Without dead ends: 9900 [2022-11-03 02:26:11,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=401, Invalid=931, Unknown=0, NotChecked=0, Total=1332 [2022-11-03 02:26:11,800 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 808 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 2393 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 2563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:11,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 474 Invalid, 2563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2393 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:26:11,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9900 states. [2022-11-03 02:26:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9900 to 5072. [2022-11-03 02:26:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 5000 states have (on average 2.0172) internal successors, (10086), 5071 states have internal predecessors, (10086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 10086 transitions. [2022-11-03 02:26:11,883 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 10086 transitions. Word has length 24 [2022-11-03 02:26:11,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:11,884 INFO L495 AbstractCegarLoop]: Abstraction has 5072 states and 10086 transitions. [2022-11-03 02:26:11,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 10086 transitions. [2022-11-03 02:26:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:11,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:11,884 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] [2022-11-03 02:26:11,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-11-03 02:26:11,885 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:11,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:11,885 INFO L85 PathProgramCache]: Analyzing trace with hash -119258888, now seen corresponding path program 21 times [2022-11-03 02:26:11,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:11,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485897844] [2022-11-03 02:26:11,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:11,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:12,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:12,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485897844] [2022-11-03 02:26:12,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485897844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:12,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:12,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:12,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333228731] [2022-11-03 02:26:12,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:12,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:12,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:12,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:12,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:12,629 INFO L87 Difference]: Start difference. First operand 5072 states and 10086 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:16,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:16,117 INFO L93 Difference]: Finished difference Result 9604 states and 19074 transitions. [2022-11-03 02:26:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:26:16,118 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:16,131 INFO L225 Difference]: With dead ends: 9604 [2022-11-03 02:26:16,131 INFO L226 Difference]: Without dead ends: 9604 [2022-11-03 02:26:16,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:26:16,131 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 682 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 3188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:16,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 612 Invalid, 3188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:26:16,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9604 states. [2022-11-03 02:26:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9604 to 5059. [2022-11-03 02:26:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5059 states, 4987 states have (on average 2.0172448365750952) internal successors, (10060), 5058 states have internal predecessors, (10060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5059 states to 5059 states and 10060 transitions. [2022-11-03 02:26:16,228 INFO L78 Accepts]: Start accepts. Automaton has 5059 states and 10060 transitions. Word has length 24 [2022-11-03 02:26:16,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:16,228 INFO L495 AbstractCegarLoop]: Abstraction has 5059 states and 10060 transitions. [2022-11-03 02:26:16,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5059 states and 10060 transitions. [2022-11-03 02:26:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:16,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:16,229 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] [2022-11-03 02:26:16,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-11-03 02:26:16,230 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:16,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:16,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1261898430, now seen corresponding path program 22 times [2022-11-03 02:26:16,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:16,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656094707] [2022-11-03 02:26:16,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:16,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:17,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:17,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656094707] [2022-11-03 02:26:17,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656094707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:17,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:17,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:17,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283201390] [2022-11-03 02:26:17,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:17,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:17,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:17,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:17,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:17,067 INFO L87 Difference]: Start difference. First operand 5059 states and 10060 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:20,847 INFO L93 Difference]: Finished difference Result 9615 states and 19096 transitions. [2022-11-03 02:26:20,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:26:20,848 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:20,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:20,864 INFO L225 Difference]: With dead ends: 9615 [2022-11-03 02:26:20,864 INFO L226 Difference]: Without dead ends: 9615 [2022-11-03 02:26:20,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:26:20,864 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 638 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:20,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 592 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 2811 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:26:20,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9615 states. [2022-11-03 02:26:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9615 to 5046. [2022-11-03 02:26:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5046 states, 4974 states have (on average 2.0172899075190993) internal successors, (10034), 5045 states have internal predecessors, (10034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 10034 transitions. [2022-11-03 02:26:20,961 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 10034 transitions. Word has length 24 [2022-11-03 02:26:20,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:20,961 INFO L495 AbstractCegarLoop]: Abstraction has 5046 states and 10034 transitions. [2022-11-03 02:26:20,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 10034 transitions. [2022-11-03 02:26:20,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:20,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:20,963 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] [2022-11-03 02:26:20,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-11-03 02:26:20,963 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:20,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:20,964 INFO L85 PathProgramCache]: Analyzing trace with hash -970677128, now seen corresponding path program 23 times [2022-11-03 02:26:20,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:20,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731110997] [2022-11-03 02:26:20,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:20,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:21,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:21,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731110997] [2022-11-03 02:26:21,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731110997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:21,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:21,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:21,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285692446] [2022-11-03 02:26:21,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:21,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:21,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:21,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:21,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:21,828 INFO L87 Difference]: Start difference. First operand 5046 states and 10034 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:25,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:25,451 INFO L93 Difference]: Finished difference Result 8070 states and 16030 transitions. [2022-11-03 02:26:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:26:25,451 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:25,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:25,461 INFO L225 Difference]: With dead ends: 8070 [2022-11-03 02:26:25,462 INFO L226 Difference]: Without dead ends: 8070 [2022-11-03 02:26:25,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:26:25,462 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 492 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:25,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 503 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:26:25,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8070 states. [2022-11-03 02:26:25,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8070 to 5033. [2022-11-03 02:26:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5033 states, 4961 states have (on average 2.017335214674461) internal successors, (10008), 5032 states have internal predecessors, (10008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 10008 transitions. [2022-11-03 02:26:25,564 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 10008 transitions. Word has length 24 [2022-11-03 02:26:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:25,565 INFO L495 AbstractCegarLoop]: Abstraction has 5033 states and 10008 transitions. [2022-11-03 02:26:25,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 10008 transitions. [2022-11-03 02:26:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:25,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:25,566 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] [2022-11-03 02:26:25,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-11-03 02:26:25,566 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:25,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:25,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1529853502, now seen corresponding path program 24 times [2022-11-03 02:26:25,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:25,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473654416] [2022-11-03 02:26:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:26,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:26,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473654416] [2022-11-03 02:26:26,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473654416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:26,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:26,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:26,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860594834] [2022-11-03 02:26:26,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:26,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:26,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:26,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:26,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:26,177 INFO L87 Difference]: Start difference. First operand 5033 states and 10008 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:29,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:29,877 INFO L93 Difference]: Finished difference Result 8203 states and 16292 transitions. [2022-11-03 02:26:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-03 02:26:29,877 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:29,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:29,887 INFO L225 Difference]: With dead ends: 8203 [2022-11-03 02:26:29,887 INFO L226 Difference]: Without dead ends: 8203 [2022-11-03 02:26:29,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=345, Invalid=845, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 02:26:29,888 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 499 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 3185 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 3318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 3185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:29,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 513 Invalid, 3318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 3185 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 02:26:29,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8203 states. [2022-11-03 02:26:29,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8203 to 4980. [2022-11-03 02:26:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4980 states, 4908 states have (on average 2.0167074164629177) internal successors, (9898), 4979 states have internal predecessors, (9898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:29,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4980 states to 4980 states and 9898 transitions. [2022-11-03 02:26:29,960 INFO L78 Accepts]: Start accepts. Automaton has 4980 states and 9898 transitions. Word has length 24 [2022-11-03 02:26:29,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:29,960 INFO L495 AbstractCegarLoop]: Abstraction has 4980 states and 9898 transitions. [2022-11-03 02:26:29,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 4980 states and 9898 transitions. [2022-11-03 02:26:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:29,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:29,962 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] [2022-11-03 02:26:29,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-11-03 02:26:29,962 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:29,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash 938418112, now seen corresponding path program 4 times [2022-11-03 02:26:29,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:29,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175719031] [2022-11-03 02:26:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:29,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:30,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:30,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175719031] [2022-11-03 02:26:30,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175719031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:30,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:30,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:26:30,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052495070] [2022-11-03 02:26:30,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:30,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:26:30,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:30,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:26:30,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:26:30,429 INFO L87 Difference]: Start difference. First operand 4980 states and 9898 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:31,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:31,920 INFO L93 Difference]: Finished difference Result 5377 states and 10686 transitions. [2022-11-03 02:26:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:26:31,920 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:31,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:31,927 INFO L225 Difference]: With dead ends: 5377 [2022-11-03 02:26:31,927 INFO L226 Difference]: Without dead ends: 5377 [2022-11-03 02:26:31,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=195, Invalid=357, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:26:31,927 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 375 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:31,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 256 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 02:26:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5377 states. [2022-11-03 02:26:31,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5377 to 5012. [2022-11-03 02:26:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5012 states, 4940 states have (on average 2.0172064777327936) internal successors, (9965), 5011 states have internal predecessors, (9965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 9965 transitions. [2022-11-03 02:26:32,009 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 9965 transitions. Word has length 24 [2022-11-03 02:26:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:32,009 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 9965 transitions. [2022-11-03 02:26:32,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 9965 transitions. [2022-11-03 02:26:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:32,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:32,010 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] [2022-11-03 02:26:32,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-11-03 02:26:32,011 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:32,011 INFO L85 PathProgramCache]: Analyzing trace with hash -75453318, now seen corresponding path program 5 times [2022-11-03 02:26:32,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:32,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987141769] [2022-11-03 02:26:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:32,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:32,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987141769] [2022-11-03 02:26:32,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987141769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:32,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:32,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:26:32,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771466113] [2022-11-03 02:26:32,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:32,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:26:32,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:32,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:26:32,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:26:32,447 INFO L87 Difference]: Start difference. First operand 5012 states and 9965 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:35,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:35,972 INFO L93 Difference]: Finished difference Result 8914 states and 17680 transitions. [2022-11-03 02:26:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:26:35,972 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:35,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:35,984 INFO L225 Difference]: With dead ends: 8914 [2022-11-03 02:26:35,984 INFO L226 Difference]: Without dead ends: 8914 [2022-11-03 02:26:35,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:26:35,985 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 524 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 2768 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 2902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:35,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 501 Invalid, 2902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2768 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:26:35,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8914 states. [2022-11-03 02:26:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8914 to 4919. [2022-11-03 02:26:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 4847 states have (on average 2.015267175572519) internal successors, (9768), 4918 states have internal predecessors, (9768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 9768 transitions. [2022-11-03 02:26:36,086 INFO L78 Accepts]: Start accepts. Automaton has 4919 states and 9768 transitions. Word has length 24 [2022-11-03 02:26:36,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:36,087 INFO L495 AbstractCegarLoop]: Abstraction has 4919 states and 9768 transitions. [2022-11-03 02:26:36,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 9768 transitions. [2022-11-03 02:26:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:36,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:36,088 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] [2022-11-03 02:26:36,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-11-03 02:26:36,088 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:36,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1608995566, now seen corresponding path program 6 times [2022-11-03 02:26:36,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:36,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841290123] [2022-11-03 02:26:36,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:36,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:36,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841290123] [2022-11-03 02:26:36,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841290123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:36,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:36,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:26:36,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031025008] [2022-11-03 02:26:36,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:36,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:26:36,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:36,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:26:36,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:26:36,498 INFO L87 Difference]: Start difference. First operand 4919 states and 9768 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:39,474 INFO L93 Difference]: Finished difference Result 8584 states and 17027 transitions. [2022-11-03 02:26:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:26:39,475 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:39,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:39,487 INFO L225 Difference]: With dead ends: 8584 [2022-11-03 02:26:39,487 INFO L226 Difference]: Without dead ends: 8584 [2022-11-03 02:26:39,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:26:39,488 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 664 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 2265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:39,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 571 Invalid, 2265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2129 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:26:39,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8584 states. [2022-11-03 02:26:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8584 to 4735. [2022-11-03 02:26:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4735 states, 4665 states have (on average 2.014362272240086) internal successors, (9397), 4734 states have internal predecessors, (9397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 9397 transitions. [2022-11-03 02:26:39,589 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 9397 transitions. Word has length 24 [2022-11-03 02:26:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:39,589 INFO L495 AbstractCegarLoop]: Abstraction has 4735 states and 9397 transitions. [2022-11-03 02:26:39,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 9397 transitions. [2022-11-03 02:26:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:26:39,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:39,590 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] [2022-11-03 02:26:39,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-11-03 02:26:39,590 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1515366916, now seen corresponding path program 25 times [2022-11-03 02:26:39,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951447059] [2022-11-03 02:26:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:39,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:39,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:39,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951447059] [2022-11-03 02:26:39,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951447059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:39,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:39,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:26:39,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3755696] [2022-11-03 02:26:39,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:39,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:26:39,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:39,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:26:39,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:26:39,972 INFO L87 Difference]: Start difference. First operand 4735 states and 9397 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:43,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:43,961 INFO L93 Difference]: Finished difference Result 8362 states and 16588 transitions. [2022-11-03 02:26:43,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-03 02:26:43,962 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-03 02:26:43,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:43,972 INFO L225 Difference]: With dead ends: 8362 [2022-11-03 02:26:43,972 INFO L226 Difference]: Without dead ends: 8362 [2022-11-03 02:26:43,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=676, Unknown=0, NotChecked=0, Total=930 [2022-11-03 02:26:43,973 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 658 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 4015 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 4101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:43,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 671 Invalid, 4101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4015 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:26:43,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2022-11-03 02:26:44,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 4633. [2022-11-03 02:26:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4633 states, 4563 states have (on average 2.0133683979837826) internal successors, (9187), 4632 states have internal predecessors, (9187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4633 states to 4633 states and 9187 transitions. [2022-11-03 02:26:44,045 INFO L78 Accepts]: Start accepts. Automaton has 4633 states and 9187 transitions. Word has length 24 [2022-11-03 02:26:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:44,046 INFO L495 AbstractCegarLoop]: Abstraction has 4633 states and 9187 transitions. [2022-11-03 02:26:44,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4633 states and 9187 transitions. [2022-11-03 02:26:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-03 02:26:44,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:44,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:44,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-11-03 02:26:44,047 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:44,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:44,047 INFO L85 PathProgramCache]: Analyzing trace with hash 831226134, now seen corresponding path program 1 times [2022-11-03 02:26:44,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:44,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552874857] [2022-11-03 02:26:44,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:44,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:44,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:44,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552874857] [2022-11-03 02:26:44,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552874857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:44,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:44,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:26:44,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837898451] [2022-11-03 02:26:44,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:44,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:26:44,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:44,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:26:44,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:26:44,242 INFO L87 Difference]: Start difference. First operand 4633 states and 9187 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:45,348 INFO L93 Difference]: Finished difference Result 4896 states and 9708 transitions. [2022-11-03 02:26:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:26:45,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-03 02:26:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:45,356 INFO L225 Difference]: With dead ends: 4896 [2022-11-03 02:26:45,356 INFO L226 Difference]: Without dead ends: 4896 [2022-11-03 02:26:45,356 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 [2022-11-03 02:26:45,356 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 105 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:45,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 138 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 02:26:45,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4896 states. [2022-11-03 02:26:45,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4896 to 4835. [2022-11-03 02:26:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4835 states, 4765 states have (on average 2.01196222455404) internal successors, (9587), 4834 states have internal predecessors, (9587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 9587 transitions. [2022-11-03 02:26:45,414 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 9587 transitions. Word has length 27 [2022-11-03 02:26:45,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:45,414 INFO L495 AbstractCegarLoop]: Abstraction has 4835 states and 9587 transitions. [2022-11-03 02:26:45,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 9587 transitions. [2022-11-03 02:26:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 02:26:45,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:45,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:45,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-11-03 02:26:45,415 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:45,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:45,415 INFO L85 PathProgramCache]: Analyzing trace with hash -432747302, now seen corresponding path program 1 times [2022-11-03 02:26:45,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:45,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015228922] [2022-11-03 02:26:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:45,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:45,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:45,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015228922] [2022-11-03 02:26:45,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015228922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:45,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:45,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:26:45,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121090524] [2022-11-03 02:26:45,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:45,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:26:45,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:45,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:26:45,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:26:45,616 INFO L87 Difference]: Start difference. First operand 4835 states and 9587 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:46,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:46,930 INFO L93 Difference]: Finished difference Result 5097 states and 10111 transitions. [2022-11-03 02:26:46,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:26:46,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-03 02:26:46,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:46,936 INFO L225 Difference]: With dead ends: 5097 [2022-11-03 02:26:46,936 INFO L226 Difference]: Without dead ends: 5097 [2022-11-03 02:26:46,936 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 [2022-11-03 02:26:46,936 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:46,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 136 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:26:46,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5097 states. [2022-11-03 02:26:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5097 to 5097. [2022-11-03 02:26:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5097 states, 5027 states have (on average 2.011338770638552) internal successors, (10111), 5096 states have internal predecessors, (10111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 10111 transitions. [2022-11-03 02:26:46,996 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 10111 transitions. Word has length 28 [2022-11-03 02:26:46,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:46,996 INFO L495 AbstractCegarLoop]: Abstraction has 5097 states and 10111 transitions. [2022-11-03 02:26:46,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 10111 transitions. [2022-11-03 02:26:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:26:46,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:46,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:46,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-11-03 02:26:46,997 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:46,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:46,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1008631749, now seen corresponding path program 1 times [2022-11-03 02:26:46,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:46,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364532008] [2022-11-03 02:26:46,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:46,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:47,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:47,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364532008] [2022-11-03 02:26:47,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364532008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:47,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:47,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:26:47,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607518432] [2022-11-03 02:26:47,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:47,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:26:47,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:47,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:26:47,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:26:47,333 INFO L87 Difference]: Start difference. First operand 5097 states and 10111 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:49,466 INFO L93 Difference]: Finished difference Result 13635 states and 26978 transitions. [2022-11-03 02:26:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:26:49,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:26:49,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:49,489 INFO L225 Difference]: With dead ends: 13635 [2022-11-03 02:26:49,489 INFO L226 Difference]: Without dead ends: 13635 [2022-11-03 02:26:49,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:26:49,489 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 662 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:49,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 509 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:26:49,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13635 states. [2022-11-03 02:26:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13635 to 5397. [2022-11-03 02:26:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5397 states, 5327 states have (on average 2.0114510981790876) internal successors, (10715), 5396 states have internal predecessors, (10715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 10715 transitions. [2022-11-03 02:26:49,597 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 10715 transitions. Word has length 30 [2022-11-03 02:26:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:49,598 INFO L495 AbstractCegarLoop]: Abstraction has 5397 states and 10715 transitions. [2022-11-03 02:26:49,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 10715 transitions. [2022-11-03 02:26:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:26:49,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:49,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:49,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-11-03 02:26:49,599 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:49,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:49,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1101248225, now seen corresponding path program 1 times [2022-11-03 02:26:49,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:49,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580138543] [2022-11-03 02:26:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:49,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:49,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580138543] [2022-11-03 02:26:49,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580138543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:49,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:49,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:26:49,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488242275] [2022-11-03 02:26:49,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:49,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:26:49,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:49,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:26:49,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:26:49,904 INFO L87 Difference]: Start difference. First operand 5397 states and 10715 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:51,924 INFO L93 Difference]: Finished difference Result 14020 states and 27729 transitions. [2022-11-03 02:26:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:26:51,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:26:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:51,946 INFO L225 Difference]: With dead ends: 14020 [2022-11-03 02:26:51,946 INFO L226 Difference]: Without dead ends: 14020 [2022-11-03 02:26:51,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:26:51,947 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 808 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:51,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 467 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:26:51,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14020 states. [2022-11-03 02:26:52,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14020 to 5421. [2022-11-03 02:26:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5421 states, 5351 states have (on average 2.0113997383666606) internal successors, (10763), 5420 states have internal predecessors, (10763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5421 states to 5421 states and 10763 transitions. [2022-11-03 02:26:52,059 INFO L78 Accepts]: Start accepts. Automaton has 5421 states and 10763 transitions. Word has length 30 [2022-11-03 02:26:52,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:52,059 INFO L495 AbstractCegarLoop]: Abstraction has 5421 states and 10763 transitions. [2022-11-03 02:26:52,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 5421 states and 10763 transitions. [2022-11-03 02:26:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:26:52,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:52,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:52,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-11-03 02:26:52,061 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:52,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:52,061 INFO L85 PathProgramCache]: Analyzing trace with hash 932900909, now seen corresponding path program 2 times [2022-11-03 02:26:52,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:52,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157698391] [2022-11-03 02:26:52,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:52,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:52,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157698391] [2022-11-03 02:26:52,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157698391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:52,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:52,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:26:52,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906355633] [2022-11-03 02:26:52,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:52,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:26:52,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:52,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:26:52,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:26:52,636 INFO L87 Difference]: Start difference. First operand 5421 states and 10763 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:56,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:56,725 INFO L93 Difference]: Finished difference Result 18902 states and 37463 transitions. [2022-11-03 02:26:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-03 02:26:56,726 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:26:56,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:56,753 INFO L225 Difference]: With dead ends: 18902 [2022-11-03 02:26:56,753 INFO L226 Difference]: Without dead ends: 18902 [2022-11-03 02:26:56,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=501, Invalid=1305, Unknown=0, NotChecked=0, Total=1806 [2022-11-03 02:26:56,754 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1397 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 3189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:56,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 537 Invalid, 3189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 2827 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 02:26:56,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18902 states. [2022-11-03 02:26:56,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18902 to 5512. [2022-11-03 02:26:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5512 states, 5442 states have (on average 2.0112091142962147) internal successors, (10945), 5511 states have internal predecessors, (10945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 10945 transitions. [2022-11-03 02:26:56,880 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 10945 transitions. Word has length 30 [2022-11-03 02:26:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:56,880 INFO L495 AbstractCegarLoop]: Abstraction has 5512 states and 10945 transitions. [2022-11-03 02:26:56,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 10945 transitions. [2022-11-03 02:26:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:26:56,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:56,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:56,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-11-03 02:26:56,882 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:56,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:56,883 INFO L85 PathProgramCache]: Analyzing trace with hash 6247916, now seen corresponding path program 1 times [2022-11-03 02:26:56,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:56,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467568512] [2022-11-03 02:26:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:56,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:57,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:57,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467568512] [2022-11-03 02:26:57,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467568512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:57,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:57,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:26:57,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914534844] [2022-11-03 02:26:57,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:57,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:26:57,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:57,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:26:57,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:26:57,270 INFO L87 Difference]: Start difference. First operand 5512 states and 10945 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:58,716 INFO L93 Difference]: Finished difference Result 5680 states and 11277 transitions. [2022-11-03 02:26:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:26:58,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:26:58,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:58,724 INFO L225 Difference]: With dead ends: 5680 [2022-11-03 02:26:58,724 INFO L226 Difference]: Without dead ends: 5680 [2022-11-03 02:26:58,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:26:58,724 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 425 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:58,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 195 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:26:58,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5680 states. [2022-11-03 02:26:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5680 to 5520. [2022-11-03 02:26:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5520 states, 5450 states have (on average 2.0111926605504586) internal successors, (10961), 5519 states have internal predecessors, (10961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5520 states to 5520 states and 10961 transitions. [2022-11-03 02:26:58,792 INFO L78 Accepts]: Start accepts. Automaton has 5520 states and 10961 transitions. Word has length 30 [2022-11-03 02:26:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:58,792 INFO L495 AbstractCegarLoop]: Abstraction has 5520 states and 10961 transitions. [2022-11-03 02:26:58,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 5520 states and 10961 transitions. [2022-11-03 02:26:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:26:58,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:58,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:58,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-11-03 02:26:58,794 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:26:58,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash -134961424, now seen corresponding path program 2 times [2022-11-03 02:26:58,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:58,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235015733] [2022-11-03 02:26:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:59,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:59,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235015733] [2022-11-03 02:26:59,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235015733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:59,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:59,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:26:59,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812696574] [2022-11-03 02:26:59,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:59,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:26:59,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:59,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:26:59,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:26:59,280 INFO L87 Difference]: Start difference. First operand 5520 states and 10961 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:00,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:00,703 INFO L93 Difference]: Finished difference Result 9137 states and 18111 transitions. [2022-11-03 02:27:00,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:27:00,704 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:00,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:00,716 INFO L225 Difference]: With dead ends: 9137 [2022-11-03 02:27:00,716 INFO L226 Difference]: Without dead ends: 9137 [2022-11-03 02:27:00,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:27:00,717 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 477 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:00,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 203 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:27:00,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9137 states. [2022-11-03 02:27:00,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9137 to 5668. [2022-11-03 02:27:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5668 states, 5598 states have (on average 2.0148267238299393) internal successors, (11279), 5667 states have internal predecessors, (11279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5668 states to 5668 states and 11279 transitions. [2022-11-03 02:27:00,803 INFO L78 Accepts]: Start accepts. Automaton has 5668 states and 11279 transitions. Word has length 30 [2022-11-03 02:27:00,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:00,803 INFO L495 AbstractCegarLoop]: Abstraction has 5668 states and 11279 transitions. [2022-11-03 02:27:00,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 5668 states and 11279 transitions. [2022-11-03 02:27:00,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:00,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:00,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:00,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-11-03 02:27:00,805 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:00,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:00,805 INFO L85 PathProgramCache]: Analyzing trace with hash -142745524, now seen corresponding path program 3 times [2022-11-03 02:27:00,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:00,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510006990] [2022-11-03 02:27:00,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:00,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:01,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:01,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:01,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510006990] [2022-11-03 02:27:01,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510006990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:01,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:01,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:01,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814964565] [2022-11-03 02:27:01,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:01,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:01,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:01,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:01,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:01,361 INFO L87 Difference]: Start difference. First operand 5668 states and 11279 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:03,251 INFO L93 Difference]: Finished difference Result 9131 states and 18099 transitions. [2022-11-03 02:27:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:27:03,252 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:03,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:03,265 INFO L225 Difference]: With dead ends: 9131 [2022-11-03 02:27:03,265 INFO L226 Difference]: Without dead ends: 9131 [2022-11-03 02:27:03,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:27:03,265 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 328 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:03,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 225 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1615 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:27:03,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9131 states. [2022-11-03 02:27:03,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9131 to 5673. [2022-11-03 02:27:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5673 states, 5603 states have (on average 2.0149919685882565) internal successors, (11290), 5672 states have internal predecessors, (11290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 11290 transitions. [2022-11-03 02:27:03,356 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 11290 transitions. Word has length 30 [2022-11-03 02:27:03,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:03,356 INFO L495 AbstractCegarLoop]: Abstraction has 5673 states and 11290 transitions. [2022-11-03 02:27:03,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 11290 transitions. [2022-11-03 02:27:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:03,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:03,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:03,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-11-03 02:27:03,358 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:03,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:03,358 INFO L85 PathProgramCache]: Analyzing trace with hash -143001274, now seen corresponding path program 4 times [2022-11-03 02:27:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:03,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112031076] [2022-11-03 02:27:03,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:04,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:04,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112031076] [2022-11-03 02:27:04,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112031076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:04,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:04,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:04,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963717042] [2022-11-03 02:27:04,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:04,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:04,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:04,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:04,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:04,006 INFO L87 Difference]: Start difference. First operand 5673 states and 11290 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:05,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:05,383 INFO L93 Difference]: Finished difference Result 9124 states and 18085 transitions. [2022-11-03 02:27:05,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:27:05,384 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:05,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:05,396 INFO L225 Difference]: With dead ends: 9124 [2022-11-03 02:27:05,396 INFO L226 Difference]: Without dead ends: 9124 [2022-11-03 02:27:05,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:27:05,396 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 489 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:05,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 193 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 02:27:05,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2022-11-03 02:27:05,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 5677. [2022-11-03 02:27:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5677 states, 5607 states have (on average 2.015159621901195) internal successors, (11299), 5676 states have internal predecessors, (11299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 11299 transitions. [2022-11-03 02:27:05,482 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 11299 transitions. Word has length 30 [2022-11-03 02:27:05,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:05,483 INFO L495 AbstractCegarLoop]: Abstraction has 5677 states and 11299 transitions. [2022-11-03 02:27:05,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 11299 transitions. [2022-11-03 02:27:05,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:05,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:05,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:05,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-11-03 02:27:05,485 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:05,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:05,485 INFO L85 PathProgramCache]: Analyzing trace with hash 589333214, now seen corresponding path program 5 times [2022-11-03 02:27:05,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:05,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804066958] [2022-11-03 02:27:05,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:05,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:06,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:06,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:06,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804066958] [2022-11-03 02:27:06,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804066958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:06,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:06,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:06,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806208396] [2022-11-03 02:27:06,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:06,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:06,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:06,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:06,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:06,039 INFO L87 Difference]: Start difference. First operand 5677 states and 11299 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:07,774 INFO L93 Difference]: Finished difference Result 5835 states and 11611 transitions. [2022-11-03 02:27:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:27:07,774 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:07,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:07,781 INFO L225 Difference]: With dead ends: 5835 [2022-11-03 02:27:07,781 INFO L226 Difference]: Without dead ends: 5835 [2022-11-03 02:27:07,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:27:07,782 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 345 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:07,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 162 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:27:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2022-11-03 02:27:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5691. [2022-11-03 02:27:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5691 states, 5621 states have (on average 2.015121864436933) internal successors, (11327), 5690 states have internal predecessors, (11327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5691 states to 5691 states and 11327 transitions. [2022-11-03 02:27:07,848 INFO L78 Accepts]: Start accepts. Automaton has 5691 states and 11327 transitions. Word has length 30 [2022-11-03 02:27:07,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:07,848 INFO L495 AbstractCegarLoop]: Abstraction has 5691 states and 11327 transitions. [2022-11-03 02:27:07,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5691 states and 11327 transitions. [2022-11-03 02:27:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:07,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:07,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:07,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-11-03 02:27:07,850 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:07,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:07,850 INFO L85 PathProgramCache]: Analyzing trace with hash 589077464, now seen corresponding path program 6 times [2022-11-03 02:27:07,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:07,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005837072] [2022-11-03 02:27:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:08,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:08,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005837072] [2022-11-03 02:27:08,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005837072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:08,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:08,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:08,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145818326] [2022-11-03 02:27:08,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:08,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:08,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:08,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:08,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:08,396 INFO L87 Difference]: Start difference. First operand 5691 states and 11327 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:10,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:10,035 INFO L93 Difference]: Finished difference Result 5834 states and 11609 transitions. [2022-11-03 02:27:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:27:10,035 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:10,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:10,042 INFO L225 Difference]: With dead ends: 5834 [2022-11-03 02:27:10,042 INFO L226 Difference]: Without dead ends: 5834 [2022-11-03 02:27:10,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:10,043 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 317 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:10,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 161 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:27:10,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5834 states. [2022-11-03 02:27:10,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5834 to 5692. [2022-11-03 02:27:10,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5692 states, 5622 states have (on average 2.015119174670936) internal successors, (11329), 5691 states have internal predecessors, (11329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5692 states to 5692 states and 11329 transitions. [2022-11-03 02:27:10,108 INFO L78 Accepts]: Start accepts. Automaton has 5692 states and 11329 transitions. Word has length 30 [2022-11-03 02:27:10,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:10,109 INFO L495 AbstractCegarLoop]: Abstraction has 5692 states and 11329 transitions. [2022-11-03 02:27:10,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5692 states and 11329 transitions. [2022-11-03 02:27:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:10,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:10,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:10,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-11-03 02:27:10,110 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:10,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1006445654, now seen corresponding path program 7 times [2022-11-03 02:27:10,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:10,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32279411] [2022-11-03 02:27:10,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:10,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:10,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:10,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32279411] [2022-11-03 02:27:10,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32279411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:10,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:10,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:10,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805505562] [2022-11-03 02:27:10,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:10,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:10,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:10,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:10,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:10,561 INFO L87 Difference]: Start difference. First operand 5692 states and 11329 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:12,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:12,049 INFO L93 Difference]: Finished difference Result 5847 states and 11635 transitions. [2022-11-03 02:27:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:27:12,049 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:12,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:12,056 INFO L225 Difference]: With dead ends: 5847 [2022-11-03 02:27:12,056 INFO L226 Difference]: Without dead ends: 5847 [2022-11-03 02:27:12,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:27:12,056 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 219 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:12,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 154 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:27:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2022-11-03 02:27:12,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 5694. [2022-11-03 02:27:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5694 states, 5624 states have (on average 2.0151137980085347) internal successors, (11333), 5693 states have internal predecessors, (11333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5694 states to 5694 states and 11333 transitions. [2022-11-03 02:27:12,125 INFO L78 Accepts]: Start accepts. Automaton has 5694 states and 11333 transitions. Word has length 30 [2022-11-03 02:27:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:12,125 INFO L495 AbstractCegarLoop]: Abstraction has 5694 states and 11333 transitions. [2022-11-03 02:27:12,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5694 states and 11333 transitions. [2022-11-03 02:27:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:12,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:12,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:12,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-11-03 02:27:12,127 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:12,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash 998661554, now seen corresponding path program 8 times [2022-11-03 02:27:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:12,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520064468] [2022-11-03 02:27:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:12,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:12,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:12,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520064468] [2022-11-03 02:27:12,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520064468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:12,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:12,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:12,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190191887] [2022-11-03 02:27:12,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:12,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:12,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:12,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:12,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:12,659 INFO L87 Difference]: Start difference. First operand 5694 states and 11333 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:14,192 INFO L93 Difference]: Finished difference Result 5846 states and 11633 transitions. [2022-11-03 02:27:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:27:14,193 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:14,200 INFO L225 Difference]: With dead ends: 5846 [2022-11-03 02:27:14,200 INFO L226 Difference]: Without dead ends: 5846 [2022-11-03 02:27:14,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:27:14,201 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 323 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:14,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 146 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:27:14,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5846 states. [2022-11-03 02:27:14,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5846 to 5696. [2022-11-03 02:27:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5696 states, 5626 states have (on average 2.015108425168859) internal successors, (11337), 5695 states have internal predecessors, (11337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5696 states to 5696 states and 11337 transitions. [2022-11-03 02:27:14,265 INFO L78 Accepts]: Start accepts. Automaton has 5696 states and 11337 transitions. Word has length 30 [2022-11-03 02:27:14,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:14,265 INFO L495 AbstractCegarLoop]: Abstraction has 5696 states and 11337 transitions. [2022-11-03 02:27:14,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 5696 states and 11337 transitions. [2022-11-03 02:27:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:14,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:14,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:14,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-11-03 02:27:14,267 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:14,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:14,267 INFO L85 PathProgramCache]: Analyzing trace with hash 998405804, now seen corresponding path program 9 times [2022-11-03 02:27:14,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:14,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954885842] [2022-11-03 02:27:14,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:14,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:14,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:14,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954885842] [2022-11-03 02:27:14,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954885842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:14,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:14,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:14,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264616491] [2022-11-03 02:27:14,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:14,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:14,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:14,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:14,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:14,919 INFO L87 Difference]: Start difference. First operand 5696 states and 11337 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:16,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:16,431 INFO L93 Difference]: Finished difference Result 5844 states and 11629 transitions. [2022-11-03 02:27:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:27:16,432 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:16,438 INFO L225 Difference]: With dead ends: 5844 [2022-11-03 02:27:16,438 INFO L226 Difference]: Without dead ends: 5844 [2022-11-03 02:27:16,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:27:16,439 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 272 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:16,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 133 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:27:16,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2022-11-03 02:27:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 5692. [2022-11-03 02:27:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5692 states, 5622 states have (on average 2.015119174670936) internal successors, (11329), 5691 states have internal predecessors, (11329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5692 states to 5692 states and 11329 transitions. [2022-11-03 02:27:16,507 INFO L78 Accepts]: Start accepts. Automaton has 5692 states and 11329 transitions. Word has length 30 [2022-11-03 02:27:16,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:16,507 INFO L495 AbstractCegarLoop]: Abstraction has 5692 states and 11329 transitions. [2022-11-03 02:27:16,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5692 states and 11329 transitions. [2022-11-03 02:27:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:16,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:16,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:16,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-11-03 02:27:16,509 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:16,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2002659042, now seen corresponding path program 10 times [2022-11-03 02:27:16,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:16,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874421083] [2022-11-03 02:27:16,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:16,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:16,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:16,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874421083] [2022-11-03 02:27:16,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874421083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:16,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:16,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:16,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613590105] [2022-11-03 02:27:16,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:16,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:16,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:16,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:16,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:16,971 INFO L87 Difference]: Start difference. First operand 5692 states and 11329 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:18,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:18,197 INFO L93 Difference]: Finished difference Result 5855 states and 11651 transitions. [2022-11-03 02:27:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:27:18,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:18,204 INFO L225 Difference]: With dead ends: 5855 [2022-11-03 02:27:18,204 INFO L226 Difference]: Without dead ends: 5855 [2022-11-03 02:27:18,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:27:18,205 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 219 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:18,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 134 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 02:27:18,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5855 states. [2022-11-03 02:27:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5855 to 5695. [2022-11-03 02:27:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5695 states, 5625 states have (on average 2.015111111111111) internal successors, (11335), 5694 states have internal predecessors, (11335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5695 states to 5695 states and 11335 transitions. [2022-11-03 02:27:18,270 INFO L78 Accepts]: Start accepts. Automaton has 5695 states and 11335 transitions. Word has length 30 [2022-11-03 02:27:18,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:18,270 INFO L495 AbstractCegarLoop]: Abstraction has 5695 states and 11335 transitions. [2022-11-03 02:27:18,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 11335 transitions. [2022-11-03 02:27:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:18,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:18,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:18,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-11-03 02:27:18,272 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:18,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:18,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1994874942, now seen corresponding path program 11 times [2022-11-03 02:27:18,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:18,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540137131] [2022-11-03 02:27:18,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:18,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:18,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:18,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540137131] [2022-11-03 02:27:18,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540137131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:18,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:18,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:18,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745005560] [2022-11-03 02:27:18,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:18,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:18,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:18,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:18,942 INFO L87 Difference]: Start difference. First operand 5695 states and 11335 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:20,091 INFO L93 Difference]: Finished difference Result 5853 states and 11647 transitions. [2022-11-03 02:27:20,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:27:20,091 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:20,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:20,098 INFO L225 Difference]: With dead ends: 5853 [2022-11-03 02:27:20,098 INFO L226 Difference]: Without dead ends: 5853 [2022-11-03 02:27:20,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:27:20,098 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 252 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:20,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 127 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:27:20,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5853 states. [2022-11-03 02:27:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5853 to 5697. [2022-11-03 02:27:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5697 states, 5627 states have (on average 2.015105740181269) internal successors, (11339), 5696 states have internal predecessors, (11339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5697 states to 5697 states and 11339 transitions. [2022-11-03 02:27:20,172 INFO L78 Accepts]: Start accepts. Automaton has 5697 states and 11339 transitions. Word has length 30 [2022-11-03 02:27:20,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:20,172 INFO L495 AbstractCegarLoop]: Abstraction has 5697 states and 11339 transitions. [2022-11-03 02:27:20,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 11339 transitions. [2022-11-03 02:27:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:20,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:20,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:20,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-11-03 02:27:20,174 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:20,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:20,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1994619192, now seen corresponding path program 12 times [2022-11-03 02:27:20,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:20,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970490669] [2022-11-03 02:27:20,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:20,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:20,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:20,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970490669] [2022-11-03 02:27:20,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970490669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:20,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:20,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:27:20,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049702128] [2022-11-03 02:27:20,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:20,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:27:20,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:27:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:27:20,888 INFO L87 Difference]: Start difference. First operand 5697 states and 11339 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:21,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:21,859 INFO L93 Difference]: Finished difference Result 5849 states and 11639 transitions. [2022-11-03 02:27:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:27:21,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:21,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:21,866 INFO L225 Difference]: With dead ends: 5849 [2022-11-03 02:27:21,866 INFO L226 Difference]: Without dead ends: 5849 [2022-11-03 02:27:21,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:27:21,867 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 249 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:21,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 115 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:27:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5849 states. [2022-11-03 02:27:21,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5849 to 5691. [2022-11-03 02:27:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5691 states, 5621 states have (on average 2.015121864436933) internal successors, (11327), 5690 states have internal predecessors, (11327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5691 states to 5691 states and 11327 transitions. [2022-11-03 02:27:21,938 INFO L78 Accepts]: Start accepts. Automaton has 5691 states and 11327 transitions. Word has length 30 [2022-11-03 02:27:21,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:21,938 INFO L495 AbstractCegarLoop]: Abstraction has 5691 states and 11327 transitions. [2022-11-03 02:27:21,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5691 states and 11327 transitions. [2022-11-03 02:27:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:21,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:21,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:21,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-11-03 02:27:21,939 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:21,939 INFO L85 PathProgramCache]: Analyzing trace with hash 110984455, now seen corresponding path program 1 times [2022-11-03 02:27:21,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:21,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51810742] [2022-11-03 02:27:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:21,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:22,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:22,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51810742] [2022-11-03 02:27:22,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51810742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:22,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:22,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:22,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220209364] [2022-11-03 02:27:22,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:22,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:22,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:22,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:22,873 INFO L87 Difference]: Start difference. First operand 5691 states and 11327 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:27,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:27,048 INFO L93 Difference]: Finished difference Result 13618 states and 26975 transitions. [2022-11-03 02:27:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 02:27:27,048 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:27,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:27,067 INFO L225 Difference]: With dead ends: 13618 [2022-11-03 02:27:27,067 INFO L226 Difference]: Without dead ends: 13618 [2022-11-03 02:27:27,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=764, Unknown=0, NotChecked=0, Total=1056 [2022-11-03 02:27:27,067 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 945 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 3134 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:27,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 500 Invalid, 3239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3134 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 02:27:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13618 states. [2022-11-03 02:27:27,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13618 to 6107. [2022-11-03 02:27:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6107 states, 6037 states have (on average 2.021865164816962) internal successors, (12206), 6106 states have internal predecessors, (12206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 6107 states and 12206 transitions. [2022-11-03 02:27:27,168 INFO L78 Accepts]: Start accepts. Automaton has 6107 states and 12206 transitions. Word has length 30 [2022-11-03 02:27:27,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:27,169 INFO L495 AbstractCegarLoop]: Abstraction has 6107 states and 12206 transitions. [2022-11-03 02:27:27,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6107 states and 12206 transitions. [2022-11-03 02:27:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:27,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:27,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:27,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-11-03 02:27:27,170 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:27,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:27,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1133930680, now seen corresponding path program 13 times [2022-11-03 02:27:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:27,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312628964] [2022-11-03 02:27:27,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:27,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:27,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312628964] [2022-11-03 02:27:27,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312628964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:27,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:27,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:27,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133264586] [2022-11-03 02:27:27,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:27,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:27,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:27,904 INFO L87 Difference]: Start difference. First operand 6107 states and 12206 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:30,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:30,114 INFO L93 Difference]: Finished difference Result 15122 states and 30008 transitions. [2022-11-03 02:27:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:27:30,115 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:30,137 INFO L225 Difference]: With dead ends: 15122 [2022-11-03 02:27:30,137 INFO L226 Difference]: Without dead ends: 15122 [2022-11-03 02:27:30,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:27:30,137 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 852 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 1806 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:30,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 428 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1806 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:27:30,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15122 states. [2022-11-03 02:27:30,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15122 to 6183. [2022-11-03 02:27:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6183 states, 6113 states have (on average 2.0215933256993295) internal successors, (12358), 6182 states have internal predecessors, (12358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6183 states to 6183 states and 12358 transitions. [2022-11-03 02:27:30,254 INFO L78 Accepts]: Start accepts. Automaton has 6183 states and 12358 transitions. Word has length 30 [2022-11-03 02:27:30,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:30,254 INFO L495 AbstractCegarLoop]: Abstraction has 6183 states and 12358 transitions. [2022-11-03 02:27:30,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6183 states and 12358 transitions. [2022-11-03 02:27:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:30,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:30,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:30,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-11-03 02:27:30,256 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:30,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:30,256 INFO L85 PathProgramCache]: Analyzing trace with hash -731740111, now seen corresponding path program 2 times [2022-11-03 02:27:30,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:30,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698222141] [2022-11-03 02:27:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:30,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:31,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:31,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698222141] [2022-11-03 02:27:31,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698222141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:31,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:31,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:31,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532304108] [2022-11-03 02:27:31,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:31,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:31,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:31,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:31,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:31,278 INFO L87 Difference]: Start difference. First operand 6183 states and 12358 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:35,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:35,019 INFO L93 Difference]: Finished difference Result 13648 states and 27035 transitions. [2022-11-03 02:27:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 02:27:35,019 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:35,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:35,038 INFO L225 Difference]: With dead ends: 13648 [2022-11-03 02:27:35,039 INFO L226 Difference]: Without dead ends: 13648 [2022-11-03 02:27:35,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=312, Invalid=810, Unknown=0, NotChecked=0, Total=1122 [2022-11-03 02:27:35,039 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 908 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 2851 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:35,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [908 Valid, 487 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2851 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 02:27:35,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13648 states. [2022-11-03 02:27:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13648 to 6184. [2022-11-03 02:27:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6184 states, 6114 states have (on average 2.0215897939156036) internal successors, (12360), 6183 states have internal predecessors, (12360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:35,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6184 states to 6184 states and 12360 transitions. [2022-11-03 02:27:35,151 INFO L78 Accepts]: Start accepts. Automaton has 6184 states and 12360 transitions. Word has length 30 [2022-11-03 02:27:35,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:35,151 INFO L495 AbstractCegarLoop]: Abstraction has 6184 states and 12360 transitions. [2022-11-03 02:27:35,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6184 states and 12360 transitions. [2022-11-03 02:27:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:35,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:35,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:35,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-11-03 02:27:35,153 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:35,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1014356592, now seen corresponding path program 14 times [2022-11-03 02:27:35,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:35,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926480939] [2022-11-03 02:27:35,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:35,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:35,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:35,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926480939] [2022-11-03 02:27:35,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926480939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:35,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:35,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:35,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908751519] [2022-11-03 02:27:35,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:35,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:35,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:35,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:35,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:35,835 INFO L87 Difference]: Start difference. First operand 6184 states and 12360 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:37,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:37,648 INFO L93 Difference]: Finished difference Result 15178 states and 30071 transitions. [2022-11-03 02:27:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:27:37,648 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:37,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:37,670 INFO L225 Difference]: With dead ends: 15178 [2022-11-03 02:27:37,670 INFO L226 Difference]: Without dead ends: 15178 [2022-11-03 02:27:37,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=371, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:27:37,670 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 960 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:37,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 415 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:27:37,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15178 states. [2022-11-03 02:27:37,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15178 to 6185. [2022-11-03 02:27:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6185 states, 6115 states have (on average 2.021586263286999) internal successors, (12362), 6184 states have internal predecessors, (12362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6185 states to 6185 states and 12362 transitions. [2022-11-03 02:27:37,787 INFO L78 Accepts]: Start accepts. Automaton has 6185 states and 12362 transitions. Word has length 30 [2022-11-03 02:27:37,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:37,787 INFO L495 AbstractCegarLoop]: Abstraction has 6185 states and 12362 transitions. [2022-11-03 02:27:37,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 6185 states and 12362 transitions. [2022-11-03 02:27:37,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:37,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:37,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:37,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-11-03 02:27:37,789 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:37,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:37,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1006572492, now seen corresponding path program 15 times [2022-11-03 02:27:37,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:37,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250837678] [2022-11-03 02:27:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:37,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:38,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:38,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250837678] [2022-11-03 02:27:38,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250837678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:38,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:38,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:38,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849593140] [2022-11-03 02:27:38,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:38,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:38,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:38,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:38,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:38,454 INFO L87 Difference]: Start difference. First operand 6185 states and 12362 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:41,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:41,129 INFO L93 Difference]: Finished difference Result 15176 states and 30067 transitions. [2022-11-03 02:27:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:27:41,129 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:41,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:41,157 INFO L225 Difference]: With dead ends: 15176 [2022-11-03 02:27:41,157 INFO L226 Difference]: Without dead ends: 15176 [2022-11-03 02:27:41,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:27:41,157 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 993 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 2434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:41,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 453 Invalid, 2434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 2350 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:27:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15176 states. [2022-11-03 02:27:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15176 to 6186. [2022-11-03 02:27:41,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6186 states, 6116 states have (on average 2.0215827338129495) internal successors, (12364), 6185 states have internal predecessors, (12364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6186 states to 6186 states and 12364 transitions. [2022-11-03 02:27:41,274 INFO L78 Accepts]: Start accepts. Automaton has 6186 states and 12364 transitions. Word has length 30 [2022-11-03 02:27:41,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:41,275 INFO L495 AbstractCegarLoop]: Abstraction has 6186 states and 12364 transitions. [2022-11-03 02:27:41,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 6186 states and 12364 transitions. [2022-11-03 02:27:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:41,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:41,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:41,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-11-03 02:27:41,277 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:41,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1006316742, now seen corresponding path program 16 times [2022-11-03 02:27:41,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:41,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710560258] [2022-11-03 02:27:41,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:41,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:42,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:42,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710560258] [2022-11-03 02:27:42,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710560258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:42,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:42,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:42,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876268146] [2022-11-03 02:27:42,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:42,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:42,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:42,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:42,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:42,087 INFO L87 Difference]: Start difference. First operand 6186 states and 12364 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:44,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:44,968 INFO L93 Difference]: Finished difference Result 15138 states and 30040 transitions. [2022-11-03 02:27:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:27:44,968 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:44,990 INFO L225 Difference]: With dead ends: 15138 [2022-11-03 02:27:44,990 INFO L226 Difference]: Without dead ends: 15138 [2022-11-03 02:27:44,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:27:44,991 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 816 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:44,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 453 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:27:45,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2022-11-03 02:27:45,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 6185. [2022-11-03 02:27:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6185 states, 6115 states have (on average 2.021586263286999) internal successors, (12362), 6184 states have internal predecessors, (12362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6185 states to 6185 states and 12362 transitions. [2022-11-03 02:27:45,106 INFO L78 Accepts]: Start accepts. Automaton has 6185 states and 12362 transitions. Word has length 30 [2022-11-03 02:27:45,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:45,106 INFO L495 AbstractCegarLoop]: Abstraction has 6185 states and 12362 transitions. [2022-11-03 02:27:45,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6185 states and 12362 transitions. [2022-11-03 02:27:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:45,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:45,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:45,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-11-03 02:27:45,108 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:45,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:45,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2117666600, now seen corresponding path program 17 times [2022-11-03 02:27:45,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:45,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286652252] [2022-11-03 02:27:45,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:45,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:45,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:45,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:45,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286652252] [2022-11-03 02:27:45,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286652252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:45,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:45,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:45,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224342368] [2022-11-03 02:27:45,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:45,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:45,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:45,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:45,611 INFO L87 Difference]: Start difference. First operand 6185 states and 12362 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:49,802 INFO L93 Difference]: Finished difference Result 15334 states and 30379 transitions. [2022-11-03 02:27:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-03 02:27:49,802 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:49,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:49,824 INFO L225 Difference]: With dead ends: 15334 [2022-11-03 02:27:49,825 INFO L226 Difference]: Without dead ends: 15334 [2022-11-03 02:27:49,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=492, Invalid=1148, Unknown=0, NotChecked=0, Total=1640 [2022-11-03 02:27:49,825 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 1111 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 3559 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 3724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 3559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:49,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 487 Invalid, 3724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 3559 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:27:49,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15334 states. [2022-11-03 02:27:49,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15334 to 6188. [2022-11-03 02:27:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6188 states, 6118 states have (on average 2.0215756783262506) internal successors, (12368), 6187 states have internal predecessors, (12368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6188 states to 6188 states and 12368 transitions. [2022-11-03 02:27:50,005 INFO L78 Accepts]: Start accepts. Automaton has 6188 states and 12368 transitions. Word has length 30 [2022-11-03 02:27:50,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:50,005 INFO L495 AbstractCegarLoop]: Abstraction has 6188 states and 12368 transitions. [2022-11-03 02:27:50,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6188 states and 12368 transitions. [2022-11-03 02:27:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:50,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:50,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:50,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-11-03 02:27:50,007 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:50,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2036091356, now seen corresponding path program 18 times [2022-11-03 02:27:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:50,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371273919] [2022-11-03 02:27:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:50,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:50,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371273919] [2022-11-03 02:27:50,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371273919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:50,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:50,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124812126] [2022-11-03 02:27:50,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:50,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:50,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:50,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:50,547 INFO L87 Difference]: Start difference. First operand 6188 states and 12368 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:54,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:54,473 INFO L93 Difference]: Finished difference Result 15232 states and 30179 transitions. [2022-11-03 02:27:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 02:27:54,474 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:54,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:54,494 INFO L225 Difference]: With dead ends: 15232 [2022-11-03 02:27:54,494 INFO L226 Difference]: Without dead ends: 15232 [2022-11-03 02:27:54,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=309, Invalid=683, Unknown=0, NotChecked=0, Total=992 [2022-11-03 02:27:54,494 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 894 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 3623 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:54,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 488 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 3623 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 02:27:54,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15232 states. [2022-11-03 02:27:54,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15232 to 6191. [2022-11-03 02:27:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6191 states, 6121 states have (on average 2.0215651037412186) internal successors, (12374), 6190 states have internal predecessors, (12374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6191 states to 6191 states and 12374 transitions. [2022-11-03 02:27:54,607 INFO L78 Accepts]: Start accepts. Automaton has 6191 states and 12374 transitions. Word has length 30 [2022-11-03 02:27:54,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:54,607 INFO L495 AbstractCegarLoop]: Abstraction has 6191 states and 12374 transitions. [2022-11-03 02:27:54,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states and 12374 transitions. [2022-11-03 02:27:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:54,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:54,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:54,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-11-03 02:27:54,608 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:54,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:54,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2028307256, now seen corresponding path program 19 times [2022-11-03 02:27:54,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:54,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616462075] [2022-11-03 02:27:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:54,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:55,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:55,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616462075] [2022-11-03 02:27:55,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616462075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:55,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:55,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:55,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365968776] [2022-11-03 02:27:55,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:55,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:55,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:55,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:55,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:55,067 INFO L87 Difference]: Start difference. First operand 6191 states and 12374 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:57,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:57,458 INFO L93 Difference]: Finished difference Result 15269 states and 30302 transitions. [2022-11-03 02:27:57,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:27:57,458 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:27:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:57,479 INFO L225 Difference]: With dead ends: 15269 [2022-11-03 02:27:57,479 INFO L226 Difference]: Without dead ends: 15269 [2022-11-03 02:27:57,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:27:57,479 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 759 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 2258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:57,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 467 Invalid, 2258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:27:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15269 states. [2022-11-03 02:27:57,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15269 to 6191. [2022-11-03 02:27:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6191 states, 6121 states have (on average 2.0215651037412186) internal successors, (12374), 6190 states have internal predecessors, (12374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6191 states to 6191 states and 12374 transitions. [2022-11-03 02:27:57,622 INFO L78 Accepts]: Start accepts. Automaton has 6191 states and 12374 transitions. Word has length 30 [2022-11-03 02:27:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:57,623 INFO L495 AbstractCegarLoop]: Abstraction has 6191 states and 12374 transitions. [2022-11-03 02:27:57,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states and 12374 transitions. [2022-11-03 02:27:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:27:57,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:57,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:57,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-11-03 02:27:57,624 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:27:57,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:57,625 INFO L85 PathProgramCache]: Analyzing trace with hash 266882025, now seen corresponding path program 3 times [2022-11-03 02:27:57,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:57,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100944661] [2022-11-03 02:27:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:57,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:58,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:58,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100944661] [2022-11-03 02:27:58,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100944661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:58,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:58,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:27:58,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321270895] [2022-11-03 02:27:58,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:58,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:27:58,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:27:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:27:58,481 INFO L87 Difference]: Start difference. First operand 6191 states and 12374 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:02,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:02,993 INFO L93 Difference]: Finished difference Result 13667 states and 27073 transitions. [2022-11-03 02:28:02,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:28:02,993 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:02,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:03,015 INFO L225 Difference]: With dead ends: 13667 [2022-11-03 02:28:03,015 INFO L226 Difference]: Without dead ends: 13667 [2022-11-03 02:28:03,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2022-11-03 02:28:03,016 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 873 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 3705 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 3795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:03,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 532 Invalid, 3795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 3705 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 02:28:03,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13667 states. [2022-11-03 02:28:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13667 to 6192. [2022-11-03 02:28:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6192 states, 6122 states have (on average 2.02156158118262) internal successors, (12376), 6191 states have internal predecessors, (12376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6192 states to 6192 states and 12376 transitions. [2022-11-03 02:28:03,127 INFO L78 Accepts]: Start accepts. Automaton has 6192 states and 12376 transitions. Word has length 30 [2022-11-03 02:28:03,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:03,127 INFO L495 AbstractCegarLoop]: Abstraction has 6192 states and 12376 transitions. [2022-11-03 02:28:03,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 6192 states and 12376 transitions. [2022-11-03 02:28:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:03,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:03,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:03,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-11-03 02:28:03,128 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:03,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:03,129 INFO L85 PathProgramCache]: Analyzing trace with hash 161401295, now seen corresponding path program 4 times [2022-11-03 02:28:03,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:03,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357469941] [2022-11-03 02:28:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:03,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:03,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:03,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357469941] [2022-11-03 02:28:03,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357469941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:03,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:03,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:28:03,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787128751] [2022-11-03 02:28:03,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:03,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:28:03,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:03,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:28:03,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:28:03,969 INFO L87 Difference]: Start difference. First operand 6192 states and 12376 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:06,585 INFO L93 Difference]: Finished difference Result 13552 states and 26843 transitions. [2022-11-03 02:28:06,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:28:06,585 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:06,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:06,605 INFO L225 Difference]: With dead ends: 13552 [2022-11-03 02:28:06,605 INFO L226 Difference]: Without dead ends: 13552 [2022-11-03 02:28:06,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:28:06,605 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 767 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 2065 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 2065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:06,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 437 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 2065 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:28:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13552 states. [2022-11-03 02:28:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13552 to 6193. [2022-11-03 02:28:06,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6193 states, 6123 states have (on average 2.02155805977462) internal successors, (12378), 6192 states have internal predecessors, (12378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 12378 transitions. [2022-11-03 02:28:06,720 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 12378 transitions. Word has length 30 [2022-11-03 02:28:06,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:06,721 INFO L495 AbstractCegarLoop]: Abstraction has 6193 states and 12378 transitions. [2022-11-03 02:28:06,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 12378 transitions. [2022-11-03 02:28:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:06,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:06,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:06,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-11-03 02:28:06,722 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:06,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:06,723 INFO L85 PathProgramCache]: Analyzing trace with hash 709944569, now seen corresponding path program 5 times [2022-11-03 02:28:06,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:06,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899923671] [2022-11-03 02:28:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:06,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:07,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:07,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:07,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899923671] [2022-11-03 02:28:07,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899923671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:07,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:07,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:28:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992883860] [2022-11-03 02:28:07,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:07,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:28:07,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:07,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:28:07,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:28:07,397 INFO L87 Difference]: Start difference. First operand 6193 states and 12378 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:09,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:09,988 INFO L93 Difference]: Finished difference Result 10535 states and 21047 transitions. [2022-11-03 02:28:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:28:09,989 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:09,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:10,004 INFO L225 Difference]: With dead ends: 10535 [2022-11-03 02:28:10,004 INFO L226 Difference]: Without dead ends: 10535 [2022-11-03 02:28:10,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:28:10,004 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 605 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:10,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 448 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:28:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10535 states. [2022-11-03 02:28:10,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10535 to 6343. [2022-11-03 02:28:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6343 states, 6273 states have (on average 2.0248684839789575) internal successors, (12702), 6342 states have internal predecessors, (12702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6343 states to 6343 states and 12702 transitions. [2022-11-03 02:28:10,136 INFO L78 Accepts]: Start accepts. Automaton has 6343 states and 12702 transitions. Word has length 30 [2022-11-03 02:28:10,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:10,136 INFO L495 AbstractCegarLoop]: Abstraction has 6343 states and 12702 transitions. [2022-11-03 02:28:10,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6343 states and 12702 transitions. [2022-11-03 02:28:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:10,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:10,138 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] [2022-11-03 02:28:10,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-11-03 02:28:10,139 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:10,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:10,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1171869409, now seen corresponding path program 1 times [2022-11-03 02:28:10,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:10,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938134964] [2022-11-03 02:28:10,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:10,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:11,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:11,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938134964] [2022-11-03 02:28:11,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938134964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:11,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:11,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:28:11,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167571305] [2022-11-03 02:28:11,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:11,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:28:11,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:11,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:28:11,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:28:11,085 INFO L87 Difference]: Start difference. First operand 6343 states and 12702 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:13,828 INFO L93 Difference]: Finished difference Result 12384 states and 24654 transitions. [2022-11-03 02:28:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:28:13,829 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:13,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:13,847 INFO L225 Difference]: With dead ends: 12384 [2022-11-03 02:28:13,847 INFO L226 Difference]: Without dead ends: 12384 [2022-11-03 02:28:13,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:28:13,848 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 667 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:13,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 406 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 02:28:13,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12384 states. [2022-11-03 02:28:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12384 to 6354. [2022-11-03 02:28:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6354 states, 6284 states have (on average 2.0248249522597073) internal successors, (12724), 6353 states have internal predecessors, (12724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6354 states to 6354 states and 12724 transitions. [2022-11-03 02:28:13,958 INFO L78 Accepts]: Start accepts. Automaton has 6354 states and 12724 transitions. Word has length 30 [2022-11-03 02:28:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:13,959 INFO L495 AbstractCegarLoop]: Abstraction has 6354 states and 12724 transitions. [2022-11-03 02:28:13,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6354 states and 12724 transitions. [2022-11-03 02:28:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:13,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:13,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:13,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-11-03 02:28:13,960 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:13,961 INFO L85 PathProgramCache]: Analyzing trace with hash 658605545, now seen corresponding path program 2 times [2022-11-03 02:28:13,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:13,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132318233] [2022-11-03 02:28:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:13,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:14,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:14,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132318233] [2022-11-03 02:28:14,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132318233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:14,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:14,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:28:14,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805265495] [2022-11-03 02:28:14,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:14,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:28:14,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:14,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:28:14,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:28:14,992 INFO L87 Difference]: Start difference. First operand 6354 states and 12724 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:18,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:18,380 INFO L93 Difference]: Finished difference Result 12447 states and 24780 transitions. [2022-11-03 02:28:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:28:18,380 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:18,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:18,400 INFO L225 Difference]: With dead ends: 12447 [2022-11-03 02:28:18,400 INFO L226 Difference]: Without dead ends: 12447 [2022-11-03 02:28:18,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:28:18,401 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 690 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 2460 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:18,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 417 Invalid, 2644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2460 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:28:18,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12447 states. [2022-11-03 02:28:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12447 to 6368. [2022-11-03 02:28:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6368 states, 6298 states have (on average 2.024769768180375) internal successors, (12752), 6367 states have internal predecessors, (12752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6368 states to 6368 states and 12752 transitions. [2022-11-03 02:28:18,523 INFO L78 Accepts]: Start accepts. Automaton has 6368 states and 12752 transitions. Word has length 30 [2022-11-03 02:28:18,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:18,523 INFO L495 AbstractCegarLoop]: Abstraction has 6368 states and 12752 transitions. [2022-11-03 02:28:18,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 6368 states and 12752 transitions. [2022-11-03 02:28:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:18,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:18,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:18,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-11-03 02:28:18,525 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:18,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash 326005919, now seen corresponding path program 3 times [2022-11-03 02:28:18,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:18,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987585797] [2022-11-03 02:28:18,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:18,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:19,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:19,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987585797] [2022-11-03 02:28:19,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987585797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:19,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:19,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:28:19,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992693002] [2022-11-03 02:28:19,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:19,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:28:19,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:28:19,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:28:19,424 INFO L87 Difference]: Start difference. First operand 6368 states and 12752 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:22,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:22,582 INFO L93 Difference]: Finished difference Result 12513 states and 24912 transitions. [2022-11-03 02:28:22,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:28:22,582 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:22,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:22,601 INFO L225 Difference]: With dead ends: 12513 [2022-11-03 02:28:22,601 INFO L226 Difference]: Without dead ends: 12513 [2022-11-03 02:28:22,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:28:22,602 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 637 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 2725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:22,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 422 Invalid, 2725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:28:22,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12513 states. [2022-11-03 02:28:22,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12513 to 6382. [2022-11-03 02:28:22,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6382 states, 6312 states have (on average 2.0247148288973382) internal successors, (12780), 6381 states have internal predecessors, (12780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6382 states to 6382 states and 12780 transitions. [2022-11-03 02:28:22,727 INFO L78 Accepts]: Start accepts. Automaton has 6382 states and 12780 transitions. Word has length 30 [2022-11-03 02:28:22,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:22,728 INFO L495 AbstractCegarLoop]: Abstraction has 6382 states and 12780 transitions. [2022-11-03 02:28:22,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 6382 states and 12780 transitions. [2022-11-03 02:28:22,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:22,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:22,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:22,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-11-03 02:28:22,731 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:22,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:22,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1265141143, now seen corresponding path program 4 times [2022-11-03 02:28:22,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:22,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311213086] [2022-11-03 02:28:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:23,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:23,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311213086] [2022-11-03 02:28:23,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311213086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:23,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:23,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:28:23,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286147836] [2022-11-03 02:28:23,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:23,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:28:23,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:23,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:28:23,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:28:23,601 INFO L87 Difference]: Start difference. First operand 6382 states and 12780 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:26,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:26,420 INFO L93 Difference]: Finished difference Result 12581 states and 25048 transitions. [2022-11-03 02:28:26,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:28:26,421 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:26,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:26,439 INFO L225 Difference]: With dead ends: 12581 [2022-11-03 02:28:26,439 INFO L226 Difference]: Without dead ends: 12581 [2022-11-03 02:28:26,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:28:26,440 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 633 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:26,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 410 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2150 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:28:26,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12581 states. [2022-11-03 02:28:26,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12581 to 6396. [2022-11-03 02:28:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6396 states, 6326 states have (on average 2.02466013278533) internal successors, (12808), 6395 states have internal predecessors, (12808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6396 states to 6396 states and 12808 transitions. [2022-11-03 02:28:26,552 INFO L78 Accepts]: Start accepts. Automaton has 6396 states and 12808 transitions. Word has length 30 [2022-11-03 02:28:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:26,552 INFO L495 AbstractCegarLoop]: Abstraction has 6396 states and 12808 transitions. [2022-11-03 02:28:26,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6396 states and 12808 transitions. [2022-11-03 02:28:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:26,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:26,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:26,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-11-03 02:28:26,555 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:26,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1832776225, now seen corresponding path program 5 times [2022-11-03 02:28:26,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:26,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948955757] [2022-11-03 02:28:26,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:26,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:27,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:27,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948955757] [2022-11-03 02:28:27,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948955757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:27,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:27,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:28:27,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589673885] [2022-11-03 02:28:27,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:27,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:28:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:27,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:28:27,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:28:27,144 INFO L87 Difference]: Start difference. First operand 6396 states and 12808 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:30,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:30,209 INFO L93 Difference]: Finished difference Result 16062 states and 31925 transitions. [2022-11-03 02:28:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:28:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:30,232 INFO L225 Difference]: With dead ends: 16062 [2022-11-03 02:28:30,232 INFO L226 Difference]: Without dead ends: 16062 [2022-11-03 02:28:30,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:28:30,233 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 912 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 2710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:30,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 595 Invalid, 2710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2585 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:28:30,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16062 states. [2022-11-03 02:28:30,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16062 to 6409. [2022-11-03 02:28:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6409 states, 6339 states have (on average 2.024609559867487) internal successors, (12834), 6408 states have internal predecessors, (12834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6409 states to 6409 states and 12834 transitions. [2022-11-03 02:28:30,360 INFO L78 Accepts]: Start accepts. Automaton has 6409 states and 12834 transitions. Word has length 30 [2022-11-03 02:28:30,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:30,360 INFO L495 AbstractCegarLoop]: Abstraction has 6409 states and 12834 transitions. [2022-11-03 02:28:30,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 6409 states and 12834 transitions. [2022-11-03 02:28:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:30,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:30,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:30,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-11-03 02:28:30,362 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:30,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:30,362 INFO L85 PathProgramCache]: Analyzing trace with hash -111615849, now seen corresponding path program 1 times [2022-11-03 02:28:30,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:30,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489199654] [2022-11-03 02:28:30,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:30,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:30,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:30,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:30,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489199654] [2022-11-03 02:28:30,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489199654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:30,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:30,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:28:30,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683500105] [2022-11-03 02:28:30,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:30,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:28:30,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:28:30,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:28:30,678 INFO L87 Difference]: Start difference. First operand 6409 states and 12834 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:33,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:33,388 INFO L93 Difference]: Finished difference Result 16118 states and 31985 transitions. [2022-11-03 02:28:33,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:28:33,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:33,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:33,413 INFO L225 Difference]: With dead ends: 16118 [2022-11-03 02:28:33,413 INFO L226 Difference]: Without dead ends: 16118 [2022-11-03 02:28:33,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:28:33,414 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 809 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:33,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 644 Invalid, 2549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2496 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:28:33,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16118 states. [2022-11-03 02:28:33,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16118 to 6484. [2022-11-03 02:28:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6484 states, 6414 states have (on average 2.0243217960710944) internal successors, (12984), 6483 states have internal predecessors, (12984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 6484 states and 12984 transitions. [2022-11-03 02:28:33,553 INFO L78 Accepts]: Start accepts. Automaton has 6484 states and 12984 transitions. Word has length 30 [2022-11-03 02:28:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:33,553 INFO L495 AbstractCegarLoop]: Abstraction has 6484 states and 12984 transitions. [2022-11-03 02:28:33,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:33,553 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states and 12984 transitions. [2022-11-03 02:28:33,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:33,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:33,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:33,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-11-03 02:28:33,555 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:33,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:33,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1177067136, now seen corresponding path program 20 times [2022-11-03 02:28:33,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:33,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264564494] [2022-11-03 02:28:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:34,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:34,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264564494] [2022-11-03 02:28:34,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264564494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:34,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:34,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:28:34,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344425846] [2022-11-03 02:28:34,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:34,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:28:34,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:34,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:28:34,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:28:34,389 INFO L87 Difference]: Start difference. First operand 6484 states and 12984 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:38,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:38,243 INFO L93 Difference]: Finished difference Result 11346 states and 22609 transitions. [2022-11-03 02:28:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:28:38,243 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:38,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:38,258 INFO L225 Difference]: With dead ends: 11346 [2022-11-03 02:28:38,258 INFO L226 Difference]: Without dead ends: 11346 [2022-11-03 02:28:38,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:28:38,258 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 599 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 3180 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:38,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 383 Invalid, 3277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3180 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:28:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11346 states. [2022-11-03 02:28:38,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11346 to 6498. [2022-11-03 02:28:38,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6498 states, 6428 states have (on average 2.0242688238954574) internal successors, (13012), 6497 states have internal predecessors, (13012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6498 states to 6498 states and 13012 transitions. [2022-11-03 02:28:38,361 INFO L78 Accepts]: Start accepts. Automaton has 6498 states and 13012 transitions. Word has length 30 [2022-11-03 02:28:38,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:38,362 INFO L495 AbstractCegarLoop]: Abstraction has 6498 states and 13012 transitions. [2022-11-03 02:28:38,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 6498 states and 13012 transitions. [2022-11-03 02:28:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:38,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:38,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:38,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-11-03 02:28:38,364 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:38,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1128708742, now seen corresponding path program 21 times [2022-11-03 02:28:38,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:38,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364195287] [2022-11-03 02:28:38,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:38,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:39,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:39,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364195287] [2022-11-03 02:28:39,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364195287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:39,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:39,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:28:39,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363422684] [2022-11-03 02:28:39,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:39,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:28:39,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:39,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:28:39,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:28:39,132 INFO L87 Difference]: Start difference. First operand 6498 states and 13012 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:41,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:41,688 INFO L93 Difference]: Finished difference Result 11387 states and 22642 transitions. [2022-11-03 02:28:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:28:41,689 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:41,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:41,702 INFO L225 Difference]: With dead ends: 11387 [2022-11-03 02:28:41,702 INFO L226 Difference]: Without dead ends: 11387 [2022-11-03 02:28:41,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=353, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:28:41,703 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 638 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 2246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:41,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 351 Invalid, 2246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2153 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:28:41,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11387 states. [2022-11-03 02:28:41,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11387 to 6499. [2022-11-03 02:28:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6499 states, 6429 states have (on average 2.0242650489967335) internal successors, (13014), 6498 states have internal predecessors, (13014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 13014 transitions. [2022-11-03 02:28:41,807 INFO L78 Accepts]: Start accepts. Automaton has 6499 states and 13014 transitions. Word has length 30 [2022-11-03 02:28:41,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:41,807 INFO L495 AbstractCegarLoop]: Abstraction has 6499 states and 13014 transitions. [2022-11-03 02:28:41,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 6499 states and 13014 transitions. [2022-11-03 02:28:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:41,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:41,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:41,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-11-03 02:28:41,810 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:41,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1128964492, now seen corresponding path program 22 times [2022-11-03 02:28:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:41,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820985402] [2022-11-03 02:28:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:42,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:42,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820985402] [2022-11-03 02:28:42,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820985402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:42,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:42,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:28:42,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783226697] [2022-11-03 02:28:42,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:42,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:28:42,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:42,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:28:42,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:28:42,718 INFO L87 Difference]: Start difference. First operand 6499 states and 13014 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:46,021 INFO L93 Difference]: Finished difference Result 11371 states and 22659 transitions. [2022-11-03 02:28:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:28:46,022 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:46,036 INFO L225 Difference]: With dead ends: 11371 [2022-11-03 02:28:46,036 INFO L226 Difference]: Without dead ends: 11371 [2022-11-03 02:28:46,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=184, Invalid=368, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:28:46,037 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 598 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 2505 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:46,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 363 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2505 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-03 02:28:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11371 states. [2022-11-03 02:28:46,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11371 to 6483. [2022-11-03 02:28:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6483 states, 6413 states have (on average 2.0243255886480584) internal successors, (12982), 6482 states have internal predecessors, (12982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6483 states to 6483 states and 12982 transitions. [2022-11-03 02:28:46,137 INFO L78 Accepts]: Start accepts. Automaton has 6483 states and 12982 transitions. Word has length 30 [2022-11-03 02:28:46,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:46,138 INFO L495 AbstractCegarLoop]: Abstraction has 6483 states and 12982 transitions. [2022-11-03 02:28:46,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6483 states and 12982 transitions. [2022-11-03 02:28:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:46,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:46,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:46,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-11-03 02:28:46,140 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:46,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1790785641, now seen corresponding path program 6 times [2022-11-03 02:28:46,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:46,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128768638] [2022-11-03 02:28:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:46,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:46,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:46,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128768638] [2022-11-03 02:28:46,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128768638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:46,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:46,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:28:46,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949227602] [2022-11-03 02:28:46,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:46,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:28:46,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:46,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:28:46,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:28:46,800 INFO L87 Difference]: Start difference. First operand 6483 states and 12982 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:50,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:50,670 INFO L93 Difference]: Finished difference Result 14897 states and 29626 transitions. [2022-11-03 02:28:50,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:28:50,670 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:50,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:50,693 INFO L225 Difference]: With dead ends: 14897 [2022-11-03 02:28:50,694 INFO L226 Difference]: Without dead ends: 14897 [2022-11-03 02:28:50,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=759, Unknown=0, NotChecked=0, Total=1056 [2022-11-03 02:28:50,694 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 924 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 3263 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:50,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 777 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3263 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 02:28:50,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14897 states. [2022-11-03 02:28:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14897 to 6504. [2022-11-03 02:28:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6504 states, 6434 states have (on average 2.023313646254274) internal successors, (13018), 6503 states have internal predecessors, (13018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6504 states to 6504 states and 13018 transitions. [2022-11-03 02:28:50,860 INFO L78 Accepts]: Start accepts. Automaton has 6504 states and 13018 transitions. Word has length 30 [2022-11-03 02:28:50,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:50,860 INFO L495 AbstractCegarLoop]: Abstraction has 6504 states and 13018 transitions. [2022-11-03 02:28:50,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 6504 states and 13018 transitions. [2022-11-03 02:28:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:50,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:50,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:50,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-11-03 02:28:50,862 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:50,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:50,863 INFO L85 PathProgramCache]: Analyzing trace with hash -783021279, now seen corresponding path program 2 times [2022-11-03 02:28:50,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:50,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907263465] [2022-11-03 02:28:50,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:50,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:51,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:51,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907263465] [2022-11-03 02:28:51,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907263465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:51,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:51,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:28:51,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13891804] [2022-11-03 02:28:51,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:51,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:28:51,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:51,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:28:51,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:28:51,256 INFO L87 Difference]: Start difference. First operand 6504 states and 13018 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:54,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:54,087 INFO L93 Difference]: Finished difference Result 15213 states and 30211 transitions. [2022-11-03 02:28:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:28:54,088 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:54,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:54,111 INFO L225 Difference]: With dead ends: 15213 [2022-11-03 02:28:54,111 INFO L226 Difference]: Without dead ends: 15213 [2022-11-03 02:28:54,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:28:54,112 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 884 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 2735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:54,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 747 Invalid, 2735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2638 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:28:54,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15213 states. [2022-11-03 02:28:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15213 to 6963. [2022-11-03 02:28:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6963 states, 6893 states have (on average 2.0323516611054693) internal successors, (14009), 6962 states have internal predecessors, (14009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:54,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 14009 transitions. [2022-11-03 02:28:54,243 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 14009 transitions. Word has length 30 [2022-11-03 02:28:54,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:54,243 INFO L495 AbstractCegarLoop]: Abstraction has 6963 states and 14009 transitions. [2022-11-03 02:28:54,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 14009 transitions. [2022-11-03 02:28:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:54,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:54,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:54,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-11-03 02:28:54,246 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:54,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:54,246 INFO L85 PathProgramCache]: Analyzing trace with hash -214274495, now seen corresponding path program 3 times [2022-11-03 02:28:54,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:54,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545791760] [2022-11-03 02:28:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:54,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:54,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:54,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545791760] [2022-11-03 02:28:54,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545791760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:54,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:54,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:28:54,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492475849] [2022-11-03 02:28:54,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:54,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:28:54,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:54,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:28:54,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:28:54,641 INFO L87 Difference]: Start difference. First operand 6963 states and 14009 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:57,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:57,311 INFO L93 Difference]: Finished difference Result 12026 states and 23982 transitions. [2022-11-03 02:28:57,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:28:57,311 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:28:57,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:57,331 INFO L225 Difference]: With dead ends: 12026 [2022-11-03 02:28:57,331 INFO L226 Difference]: Without dead ends: 12026 [2022-11-03 02:28:57,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:28:57,331 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 616 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 2453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:57,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 543 Invalid, 2453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:28:57,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12026 states. [2022-11-03 02:28:57,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12026 to 7598. [2022-11-03 02:28:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7598 states, 7528 states have (on average 2.0435706695005313) internal successors, (15384), 7597 states have internal predecessors, (15384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7598 states to 7598 states and 15384 transitions. [2022-11-03 02:28:57,478 INFO L78 Accepts]: Start accepts. Automaton has 7598 states and 15384 transitions. Word has length 30 [2022-11-03 02:28:57,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:57,478 INFO L495 AbstractCegarLoop]: Abstraction has 7598 states and 15384 transitions. [2022-11-03 02:28:57,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:28:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7598 states and 15384 transitions. [2022-11-03 02:28:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:28:57,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:57,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:57,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-11-03 02:28:57,481 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:28:57,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:57,481 INFO L85 PathProgramCache]: Analyzing trace with hash -202390025, now seen corresponding path program 4 times [2022-11-03 02:28:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:57,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829421388] [2022-11-03 02:28:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:28:57,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:57,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829421388] [2022-11-03 02:28:57,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829421388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:57,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:57,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:28:57,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251556679] [2022-11-03 02:28:57,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:57,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:28:57,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:57,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:28:57,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:28:57,821 INFO L87 Difference]: Start difference. First operand 7598 states and 15384 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:00,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:00,193 INFO L93 Difference]: Finished difference Result 11575 states and 23011 transitions. [2022-11-03 02:29:00,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:29:00,193 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:00,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:00,209 INFO L225 Difference]: With dead ends: 11575 [2022-11-03 02:29:00,209 INFO L226 Difference]: Without dead ends: 11575 [2022-11-03 02:29:00,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:29:00,209 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 669 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 2111 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 2111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:00,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 530 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 2111 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 02:29:00,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11575 states. [2022-11-03 02:29:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11575 to 7598. [2022-11-03 02:29:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7598 states, 7528 states have (on average 2.0435706695005313) internal successors, (15384), 7597 states have internal predecessors, (15384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7598 states to 7598 states and 15384 transitions. [2022-11-03 02:29:00,387 INFO L78 Accepts]: Start accepts. Automaton has 7598 states and 15384 transitions. Word has length 30 [2022-11-03 02:29:00,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:00,387 INFO L495 AbstractCegarLoop]: Abstraction has 7598 states and 15384 transitions. [2022-11-03 02:29:00,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7598 states and 15384 transitions. [2022-11-03 02:29:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:00,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:00,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:00,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-11-03 02:29:00,390 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:00,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:00,390 INFO L85 PathProgramCache]: Analyzing trace with hash 109752385, now seen corresponding path program 5 times [2022-11-03 02:29:00,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:00,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859493333] [2022-11-03 02:29:00,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:00,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:00,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:00,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859493333] [2022-11-03 02:29:00,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859493333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:00,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:00,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:29:00,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854575754] [2022-11-03 02:29:00,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:00,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:29:00,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:00,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:29:00,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:29:00,741 INFO L87 Difference]: Start difference. First operand 7598 states and 15384 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:02,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:02,841 INFO L93 Difference]: Finished difference Result 11617 states and 23095 transitions. [2022-11-03 02:29:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:29:02,841 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:02,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:02,857 INFO L225 Difference]: With dead ends: 11617 [2022-11-03 02:29:02,858 INFO L226 Difference]: Without dead ends: 11617 [2022-11-03 02:29:02,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:29:02,858 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 691 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:02,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 522 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 02:29:02,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11617 states. [2022-11-03 02:29:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11617 to 7598. [2022-11-03 02:29:02,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7598 states, 7528 states have (on average 2.0435706695005313) internal successors, (15384), 7597 states have internal predecessors, (15384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7598 states to 7598 states and 15384 transitions. [2022-11-03 02:29:02,978 INFO L78 Accepts]: Start accepts. Automaton has 7598 states and 15384 transitions. Word has length 30 [2022-11-03 02:29:02,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:02,978 INFO L495 AbstractCegarLoop]: Abstraction has 7598 states and 15384 transitions. [2022-11-03 02:29:02,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:02,978 INFO L276 IsEmpty]: Start isEmpty. Operand 7598 states and 15384 transitions. [2022-11-03 02:29:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:02,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:02,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:02,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-11-03 02:29:02,981 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:02,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:02,981 INFO L85 PathProgramCache]: Analyzing trace with hash 828314827, now seen corresponding path program 6 times [2022-11-03 02:29:02,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:02,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670373584] [2022-11-03 02:29:02,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:02,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:03,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:03,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670373584] [2022-11-03 02:29:03,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670373584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:03,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:03,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:29:03,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436191835] [2022-11-03 02:29:03,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:03,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:29:03,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:03,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:29:03,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:29:03,302 INFO L87 Difference]: Start difference. First operand 7598 states and 15384 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:05,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:05,693 INFO L93 Difference]: Finished difference Result 11619 states and 23085 transitions. [2022-11-03 02:29:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:29:05,694 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:05,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:05,710 INFO L225 Difference]: With dead ends: 11619 [2022-11-03 02:29:05,711 INFO L226 Difference]: Without dead ends: 11619 [2022-11-03 02:29:05,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:29:05,711 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 646 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 2332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:05,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 534 Invalid, 2332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 02:29:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11619 states. [2022-11-03 02:29:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11619 to 7566. [2022-11-03 02:29:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7566 states, 7496 states have (on average 2.0424226254002136) internal successors, (15310), 7565 states have internal predecessors, (15310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:05,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7566 states to 7566 states and 15310 transitions. [2022-11-03 02:29:05,843 INFO L78 Accepts]: Start accepts. Automaton has 7566 states and 15310 transitions. Word has length 30 [2022-11-03 02:29:05,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:05,843 INFO L495 AbstractCegarLoop]: Abstraction has 7566 states and 15310 transitions. [2022-11-03 02:29:05,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 7566 states and 15310 transitions. [2022-11-03 02:29:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:05,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:05,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:05,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-11-03 02:29:05,845 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:05,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:05,846 INFO L85 PathProgramCache]: Analyzing trace with hash -836515661, now seen corresponding path program 6 times [2022-11-03 02:29:05,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:05,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775089766] [2022-11-03 02:29:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:06,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:06,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775089766] [2022-11-03 02:29:06,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775089766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:06,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:06,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:29:06,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178318899] [2022-11-03 02:29:06,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:06,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:29:06,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:06,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:29:06,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:29:06,292 INFO L87 Difference]: Start difference. First operand 7566 states and 15310 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:09,289 INFO L93 Difference]: Finished difference Result 15928 states and 31894 transitions. [2022-11-03 02:29:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:29:09,290 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:09,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:09,316 INFO L225 Difference]: With dead ends: 15928 [2022-11-03 02:29:09,316 INFO L226 Difference]: Without dead ends: 15928 [2022-11-03 02:29:09,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=213, Invalid=543, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:29:09,316 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 834 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 2201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:09,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 546 Invalid, 2201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:29:09,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15928 states. [2022-11-03 02:29:09,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15928 to 7784. [2022-11-03 02:29:09,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7784 states, 7714 states have (on average 2.0447238786621726) internal successors, (15773), 7783 states have internal predecessors, (15773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7784 states to 7784 states and 15773 transitions. [2022-11-03 02:29:09,517 INFO L78 Accepts]: Start accepts. Automaton has 7784 states and 15773 transitions. Word has length 30 [2022-11-03 02:29:09,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:09,517 INFO L495 AbstractCegarLoop]: Abstraction has 7784 states and 15773 transitions. [2022-11-03 02:29:09,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 7784 states and 15773 transitions. [2022-11-03 02:29:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:09,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:09,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:09,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-11-03 02:29:09,520 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:09,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1965636790, now seen corresponding path program 23 times [2022-11-03 02:29:09,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:09,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464715922] [2022-11-03 02:29:09,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:09,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:10,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:10,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464715922] [2022-11-03 02:29:10,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464715922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:10,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:10,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:10,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803830100] [2022-11-03 02:29:10,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:10,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:10,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:10,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:10,531 INFO L87 Difference]: Start difference. First operand 7784 states and 15773 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:13,147 INFO L93 Difference]: Finished difference Result 11651 states and 23227 transitions. [2022-11-03 02:29:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:29:13,148 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:13,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:13,165 INFO L225 Difference]: With dead ends: 11651 [2022-11-03 02:29:13,165 INFO L226 Difference]: Without dead ends: 11651 [2022-11-03 02:29:13,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:29:13,165 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 487 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:13,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 380 Invalid, 2193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:29:13,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11651 states. [2022-11-03 02:29:13,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11651 to 7810. [2022-11-03 02:29:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7810 states, 7740 states have (on average 2.044573643410853) internal successors, (15825), 7809 states have internal predecessors, (15825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7810 states to 7810 states and 15825 transitions. [2022-11-03 02:29:13,312 INFO L78 Accepts]: Start accepts. Automaton has 7810 states and 15825 transitions. Word has length 30 [2022-11-03 02:29:13,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:13,312 INFO L495 AbstractCegarLoop]: Abstraction has 7810 states and 15825 transitions. [2022-11-03 02:29:13,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 7810 states and 15825 transitions. [2022-11-03 02:29:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:13,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:13,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:13,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-11-03 02:29:13,315 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:13,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1917278396, now seen corresponding path program 24 times [2022-11-03 02:29:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:13,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770402469] [2022-11-03 02:29:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:14,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:14,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770402469] [2022-11-03 02:29:14,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770402469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:14,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:14,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:14,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321876167] [2022-11-03 02:29:14,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:14,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:14,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:14,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:14,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:14,115 INFO L87 Difference]: Start difference. First operand 7810 states and 15825 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:17,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:17,641 INFO L93 Difference]: Finished difference Result 11693 states and 23262 transitions. [2022-11-03 02:29:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:29:17,642 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:17,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:17,658 INFO L225 Difference]: With dead ends: 11693 [2022-11-03 02:29:17,658 INFO L226 Difference]: Without dead ends: 11693 [2022-11-03 02:29:17,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=216, Invalid=434, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:29:17,658 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 689 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 3068 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 3157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 3068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:17,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 379 Invalid, 3157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 3068 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:29:17,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11693 states. [2022-11-03 02:29:17,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11693 to 7811. [2022-11-03 02:29:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7811 states, 7741 states have (on average 2.044567885286139) internal successors, (15827), 7810 states have internal predecessors, (15827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7811 states to 7811 states and 15827 transitions. [2022-11-03 02:29:17,794 INFO L78 Accepts]: Start accepts. Automaton has 7811 states and 15827 transitions. Word has length 30 [2022-11-03 02:29:17,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:17,794 INFO L495 AbstractCegarLoop]: Abstraction has 7811 states and 15827 transitions. [2022-11-03 02:29:17,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 7811 states and 15827 transitions. [2022-11-03 02:29:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:17,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:17,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:17,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-11-03 02:29:17,797 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1917534146, now seen corresponding path program 25 times [2022-11-03 02:29:17,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:17,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663220638] [2022-11-03 02:29:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:17,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:18,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:18,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663220638] [2022-11-03 02:29:18,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663220638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:18,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:18,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:18,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140134604] [2022-11-03 02:29:18,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:18,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:18,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:18,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:18,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:18,827 INFO L87 Difference]: Start difference. First operand 7811 states and 15827 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:22,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:22,182 INFO L93 Difference]: Finished difference Result 11690 states and 23256 transitions. [2022-11-03 02:29:22,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:29:22,182 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:22,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:22,199 INFO L225 Difference]: With dead ends: 11690 [2022-11-03 02:29:22,199 INFO L226 Difference]: Without dead ends: 11690 [2022-11-03 02:29:22,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:29:22,199 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 614 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 2731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:22,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 364 Invalid, 2731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2631 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 02:29:22,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11690 states. [2022-11-03 02:29:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11690 to 7810. [2022-11-03 02:29:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7810 states, 7740 states have (on average 2.044573643410853) internal successors, (15825), 7809 states have internal predecessors, (15825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7810 states to 7810 states and 15825 transitions. [2022-11-03 02:29:22,343 INFO L78 Accepts]: Start accepts. Automaton has 7810 states and 15825 transitions. Word has length 30 [2022-11-03 02:29:22,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:22,343 INFO L495 AbstractCegarLoop]: Abstraction has 7810 states and 15825 transitions. [2022-11-03 02:29:22,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7810 states and 15825 transitions. [2022-11-03 02:29:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:22,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:22,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:22,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-11-03 02:29:22,347 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:22,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:22,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1332408972, now seen corresponding path program 26 times [2022-11-03 02:29:22,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:22,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42639060] [2022-11-03 02:29:22,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:22,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:23,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:23,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42639060] [2022-11-03 02:29:23,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42639060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:23,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:23,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:23,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477397882] [2022-11-03 02:29:23,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:23,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:23,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:23,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:23,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:23,033 INFO L87 Difference]: Start difference. First operand 7810 states and 15825 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:26,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:26,162 INFO L93 Difference]: Finished difference Result 11707 states and 23339 transitions. [2022-11-03 02:29:26,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:29:26,163 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:26,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:26,180 INFO L225 Difference]: With dead ends: 11707 [2022-11-03 02:29:26,180 INFO L226 Difference]: Without dead ends: 11707 [2022-11-03 02:29:26,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=234, Invalid=468, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:29:26,180 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 598 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 2670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:26,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 358 Invalid, 2670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:29:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11707 states. [2022-11-03 02:29:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11707 to 7766. [2022-11-03 02:29:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7766 states, 7696 states have (on average 2.0448284823284824) internal successors, (15737), 7765 states have internal predecessors, (15737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7766 states to 7766 states and 15737 transitions. [2022-11-03 02:29:26,325 INFO L78 Accepts]: Start accepts. Automaton has 7766 states and 15737 transitions. Word has length 30 [2022-11-03 02:29:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:26,326 INFO L495 AbstractCegarLoop]: Abstraction has 7766 states and 15737 transitions. [2022-11-03 02:29:26,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 7766 states and 15737 transitions. [2022-11-03 02:29:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:26,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:26,328 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] [2022-11-03 02:29:26,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-11-03 02:29:26,328 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:26,328 INFO L85 PathProgramCache]: Analyzing trace with hash -552877088, now seen corresponding path program 27 times [2022-11-03 02:29:26,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:26,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422200286] [2022-11-03 02:29:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:26,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:27,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:27,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422200286] [2022-11-03 02:29:27,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422200286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:27,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:27,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:27,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695720681] [2022-11-03 02:29:27,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:27,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:27,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:27,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:27,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:27,381 INFO L87 Difference]: Start difference. First operand 7766 states and 15737 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:29,358 INFO L93 Difference]: Finished difference Result 11658 states and 23192 transitions. [2022-11-03 02:29:29,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:29:29,359 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:29,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:29,376 INFO L225 Difference]: With dead ends: 11658 [2022-11-03 02:29:29,377 INFO L226 Difference]: Without dead ends: 11658 [2022-11-03 02:29:29,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:29:29,377 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 633 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:29,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 323 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:29:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11658 states. [2022-11-03 02:29:29,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11658 to 7770. [2022-11-03 02:29:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7770 states, 7700 states have (on average 2.044805194805195) internal successors, (15745), 7769 states have internal predecessors, (15745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7770 states to 7770 states and 15745 transitions. [2022-11-03 02:29:29,504 INFO L78 Accepts]: Start accepts. Automaton has 7770 states and 15745 transitions. Word has length 30 [2022-11-03 02:29:29,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:29,505 INFO L495 AbstractCegarLoop]: Abstraction has 7770 states and 15745 transitions. [2022-11-03 02:29:29,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 7770 states and 15745 transitions. [2022-11-03 02:29:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:29,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:29,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:29,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-11-03 02:29:29,507 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:29,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:29,508 INFO L85 PathProgramCache]: Analyzing trace with hash -504518694, now seen corresponding path program 28 times [2022-11-03 02:29:29,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:29,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237471057] [2022-11-03 02:29:29,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:29,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:30,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:30,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237471057] [2022-11-03 02:29:30,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237471057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:30,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:30,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:30,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523758232] [2022-11-03 02:29:30,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:30,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:30,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:30,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:30,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:30,323 INFO L87 Difference]: Start difference. First operand 7770 states and 15745 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:32,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:32,219 INFO L93 Difference]: Finished difference Result 11664 states and 23204 transitions. [2022-11-03 02:29:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:29:32,220 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:32,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:32,237 INFO L225 Difference]: With dead ends: 11664 [2022-11-03 02:29:32,237 INFO L226 Difference]: Without dead ends: 11664 [2022-11-03 02:29:32,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:29:32,237 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 638 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:32,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 323 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:29:32,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11664 states. [2022-11-03 02:29:32,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11664 to 7771. [2022-11-03 02:29:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7771 states, 7701 states have (on average 2.044799376704324) internal successors, (15747), 7770 states have internal predecessors, (15747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7771 states to 7771 states and 15747 transitions. [2022-11-03 02:29:32,361 INFO L78 Accepts]: Start accepts. Automaton has 7771 states and 15747 transitions. Word has length 30 [2022-11-03 02:29:32,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:32,362 INFO L495 AbstractCegarLoop]: Abstraction has 7771 states and 15747 transitions. [2022-11-03 02:29:32,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7771 states and 15747 transitions. [2022-11-03 02:29:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:32,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:32,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:32,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-11-03 02:29:32,364 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:32,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:32,365 INFO L85 PathProgramCache]: Analyzing trace with hash -504774444, now seen corresponding path program 29 times [2022-11-03 02:29:32,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:32,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640946162] [2022-11-03 02:29:32,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:32,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:33,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:33,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640946162] [2022-11-03 02:29:33,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640946162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:33,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:33,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:33,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489896311] [2022-11-03 02:29:33,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:33,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:33,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:33,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:33,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:33,403 INFO L87 Difference]: Start difference. First operand 7771 states and 15747 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:36,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:36,416 INFO L93 Difference]: Finished difference Result 11624 states and 23173 transitions. [2022-11-03 02:29:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:29:36,416 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:36,432 INFO L225 Difference]: With dead ends: 11624 [2022-11-03 02:29:36,432 INFO L226 Difference]: Without dead ends: 11624 [2022-11-03 02:29:36,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:29:36,432 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 527 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 2579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:36,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 359 Invalid, 2579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:29:36,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11624 states. [2022-11-03 02:29:36,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11624 to 7744. [2022-11-03 02:29:36,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7744 states, 7674 states have (on average 2.0449569976544173) internal successors, (15693), 7743 states have internal predecessors, (15693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7744 states to 7744 states and 15693 transitions. [2022-11-03 02:29:36,555 INFO L78 Accepts]: Start accepts. Automaton has 7744 states and 15693 transitions. Word has length 30 [2022-11-03 02:29:36,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:36,555 INFO L495 AbstractCegarLoop]: Abstraction has 7744 states and 15693 transitions. [2022-11-03 02:29:36,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7744 states and 15693 transitions. [2022-11-03 02:29:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:36,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:36,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:36,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-11-03 02:29:36,557 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:36,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:36,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1549798622, now seen corresponding path program 30 times [2022-11-03 02:29:36,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:36,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167431227] [2022-11-03 02:29:36,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:36,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:37,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:37,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167431227] [2022-11-03 02:29:37,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167431227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:37,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:37,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:37,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717539587] [2022-11-03 02:29:37,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:37,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:37,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:37,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:37,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:37,212 INFO L87 Difference]: Start difference. First operand 7744 states and 15693 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:40,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:40,801 INFO L93 Difference]: Finished difference Result 11641 states and 23207 transitions. [2022-11-03 02:29:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:29:40,801 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:40,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:40,818 INFO L225 Difference]: With dead ends: 11641 [2022-11-03 02:29:40,818 INFO L226 Difference]: Without dead ends: 11641 [2022-11-03 02:29:40,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:29:40,818 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 517 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 3237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:40,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 402 Invalid, 3237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:29:40,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11641 states. [2022-11-03 02:29:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11641 to 7717. [2022-11-03 02:29:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7717 states, 7647 states have (on average 2.0451157316594744) internal successors, (15639), 7716 states have internal predecessors, (15639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7717 states to 7717 states and 15639 transitions. [2022-11-03 02:29:40,956 INFO L78 Accepts]: Start accepts. Automaton has 7717 states and 15639 transitions. Word has length 30 [2022-11-03 02:29:40,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:40,956 INFO L495 AbstractCegarLoop]: Abstraction has 7717 states and 15639 transitions. [2022-11-03 02:29:40,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 7717 states and 15639 transitions. [2022-11-03 02:29:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:40,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:40,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:40,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-11-03 02:29:40,959 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:40,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:40,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1499054399, now seen corresponding path program 7 times [2022-11-03 02:29:40,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:40,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465982349] [2022-11-03 02:29:40,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:40,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:41,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:41,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465982349] [2022-11-03 02:29:41,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465982349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:41,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:41,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:29:41,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420621672] [2022-11-03 02:29:41,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:41,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:29:41,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:41,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:29:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:29:41,990 INFO L87 Difference]: Start difference. First operand 7717 states and 15639 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:45,623 INFO L93 Difference]: Finished difference Result 12522 states and 25054 transitions. [2022-11-03 02:29:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:29:45,624 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:45,643 INFO L225 Difference]: With dead ends: 12522 [2022-11-03 02:29:45,643 INFO L226 Difference]: Without dead ends: 12522 [2022-11-03 02:29:45,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:29:45,643 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 700 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 3139 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 3241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:45,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 657 Invalid, 3241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3139 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:29:45,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12522 states. [2022-11-03 02:29:45,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12522 to 7764. [2022-11-03 02:29:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7764 states, 7694 states have (on average 2.0448401351702628) internal successors, (15733), 7763 states have internal predecessors, (15733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7764 states to 7764 states and 15733 transitions. [2022-11-03 02:29:45,767 INFO L78 Accepts]: Start accepts. Automaton has 7764 states and 15733 transitions. Word has length 30 [2022-11-03 02:29:45,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:45,767 INFO L495 AbstractCegarLoop]: Abstraction has 7764 states and 15733 transitions. [2022-11-03 02:29:45,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 7764 states and 15733 transitions. [2022-11-03 02:29:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:45,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:45,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:45,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-11-03 02:29:45,770 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:45,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:45,770 INFO L85 PathProgramCache]: Analyzing trace with hash 462304493, now seen corresponding path program 3 times [2022-11-03 02:29:45,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:45,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406887011] [2022-11-03 02:29:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:45,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:46,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:46,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406887011] [2022-11-03 02:29:46,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406887011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:46,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:46,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:29:46,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351778381] [2022-11-03 02:29:46,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:46,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:29:46,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:46,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:29:46,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:29:46,533 INFO L87 Difference]: Start difference. First operand 7764 states and 15733 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:49,116 INFO L93 Difference]: Finished difference Result 12740 states and 25532 transitions. [2022-11-03 02:29:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:29:49,117 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:49,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:49,135 INFO L225 Difference]: With dead ends: 12740 [2022-11-03 02:29:49,135 INFO L226 Difference]: Without dead ends: 12740 [2022-11-03 02:29:49,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:29:49,136 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 660 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:49,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 514 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:29:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12740 states. [2022-11-03 02:29:49,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12740 to 7760. [2022-11-03 02:29:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7760 states, 7690 states have (on average 2.0448634590377113) internal successors, (15725), 7759 states have internal predecessors, (15725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7760 states to 7760 states and 15725 transitions. [2022-11-03 02:29:49,267 INFO L78 Accepts]: Start accepts. Automaton has 7760 states and 15725 transitions. Word has length 30 [2022-11-03 02:29:49,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:49,267 INFO L495 AbstractCegarLoop]: Abstraction has 7760 states and 15725 transitions. [2022-11-03 02:29:49,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 7760 states and 15725 transitions. [2022-11-03 02:29:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:49,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:49,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:49,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-11-03 02:29:49,269 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:49,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:49,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1184336857, now seen corresponding path program 4 times [2022-11-03 02:29:49,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:49,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633996523] [2022-11-03 02:29:49,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:49,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:49,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:49,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633996523] [2022-11-03 02:29:49,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633996523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:49,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:49,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:29:49,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828676435] [2022-11-03 02:29:49,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:49,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:29:49,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:49,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:29:49,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:29:49,992 INFO L87 Difference]: Start difference. First operand 7760 states and 15725 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:54,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:54,554 INFO L93 Difference]: Finished difference Result 12808 states and 25666 transitions. [2022-11-03 02:29:54,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:29:54,554 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:54,573 INFO L225 Difference]: With dead ends: 12808 [2022-11-03 02:29:54,573 INFO L226 Difference]: Without dead ends: 12808 [2022-11-03 02:29:54,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:29:54,574 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 637 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 3997 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 4177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 3997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:54,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 581 Invalid, 4177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 3997 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 02:29:54,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12808 states. [2022-11-03 02:29:54,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12808 to 7756. [2022-11-03 02:29:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7756 states, 7686 states have (on average 2.0448868071818893) internal successors, (15717), 7755 states have internal predecessors, (15717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 15717 transitions. [2022-11-03 02:29:54,699 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 15717 transitions. Word has length 30 [2022-11-03 02:29:54,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:54,700 INFO L495 AbstractCegarLoop]: Abstraction has 7756 states and 15717 transitions. [2022-11-03 02:29:54,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 15717 transitions. [2022-11-03 02:29:54,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:54,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:54,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:54,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-11-03 02:29:54,702 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:54,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:54,702 INFO L85 PathProgramCache]: Analyzing trace with hash -366796563, now seen corresponding path program 5 times [2022-11-03 02:29:54,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:54,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869432633] [2022-11-03 02:29:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:55,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:55,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869432633] [2022-11-03 02:29:55,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869432633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:55,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:55,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:29:55,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875361496] [2022-11-03 02:29:55,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:55,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:29:55,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:55,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:29:55,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:29:55,404 INFO L87 Difference]: Start difference. First operand 7756 states and 15717 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:58,421 INFO L93 Difference]: Finished difference Result 12948 states and 25942 transitions. [2022-11-03 02:29:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:29:58,422 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:29:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:58,443 INFO L225 Difference]: With dead ends: 12948 [2022-11-03 02:29:58,443 INFO L226 Difference]: Without dead ends: 12948 [2022-11-03 02:29:58,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:29:58,444 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 666 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:58,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 492 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:29:58,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12948 states. [2022-11-03 02:29:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12948 to 7752. [2022-11-03 02:29:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7752 states, 7682 states have (on average 2.0449101796407185) internal successors, (15709), 7751 states have internal predecessors, (15709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7752 states to 7752 states and 15709 transitions. [2022-11-03 02:29:58,615 INFO L78 Accepts]: Start accepts. Automaton has 7752 states and 15709 transitions. Word has length 30 [2022-11-03 02:29:58,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:58,616 INFO L495 AbstractCegarLoop]: Abstraction has 7752 states and 15709 transitions. [2022-11-03 02:29:58,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:29:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7752 states and 15709 transitions. [2022-11-03 02:29:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:29:58,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:58,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:58,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-11-03 02:29:58,618 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:29:58,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:58,619 INFO L85 PathProgramCache]: Analyzing trace with hash 481812535, now seen corresponding path program 6 times [2022-11-03 02:29:58,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:58,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817684300] [2022-11-03 02:29:58,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:58,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:29:59,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:59,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817684300] [2022-11-03 02:29:59,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817684300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:59,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:59,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:29:59,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028332682] [2022-11-03 02:29:59,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:59,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:29:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:59,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:29:59,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:29:59,285 INFO L87 Difference]: Start difference. First operand 7752 states and 15709 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:04,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:04,246 INFO L93 Difference]: Finished difference Result 13208 states and 26456 transitions. [2022-11-03 02:30:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-03 02:30:04,247 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:04,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:04,267 INFO L225 Difference]: With dead ends: 13208 [2022-11-03 02:30:04,267 INFO L226 Difference]: Without dead ends: 13208 [2022-11-03 02:30:04,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=355, Invalid=835, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 02:30:04,267 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 572 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 4571 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 4790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 4571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:04,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 632 Invalid, 4790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 4571 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 02:30:04,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13208 states. [2022-11-03 02:30:04,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13208 to 7696. [2022-11-03 02:30:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7696 states, 7626 states have (on average 2.0444531864673485) internal successors, (15591), 7695 states have internal predecessors, (15591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7696 states to 7696 states and 15591 transitions. [2022-11-03 02:30:04,434 INFO L78 Accepts]: Start accepts. Automaton has 7696 states and 15591 transitions. Word has length 30 [2022-11-03 02:30:04,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:04,434 INFO L495 AbstractCegarLoop]: Abstraction has 7696 states and 15591 transitions. [2022-11-03 02:30:04,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 7696 states and 15591 transitions. [2022-11-03 02:30:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:04,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:04,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:04,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-11-03 02:30:04,437 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:04,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:04,437 INFO L85 PathProgramCache]: Analyzing trace with hash -476108174, now seen corresponding path program 31 times [2022-11-03 02:30:04,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:04,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973622869] [2022-11-03 02:30:04,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:04,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:05,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:05,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973622869] [2022-11-03 02:30:05,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973622869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:05,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:05,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:05,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111042251] [2022-11-03 02:30:05,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:05,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:05,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:05,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:05,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:05,086 INFO L87 Difference]: Start difference. First operand 7696 states and 15591 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:07,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:07,814 INFO L93 Difference]: Finished difference Result 12294 states and 24641 transitions. [2022-11-03 02:30:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:30:07,815 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:07,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:07,834 INFO L225 Difference]: With dead ends: 12294 [2022-11-03 02:30:07,834 INFO L226 Difference]: Without dead ends: 12294 [2022-11-03 02:30:07,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:30:07,834 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 514 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 2218 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 2218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:07,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 619 Invalid, 2326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 2218 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:30:07,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12294 states. [2022-11-03 02:30:07,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12294 to 7688. [2022-11-03 02:30:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7688 states, 7618 states have (on average 2.0444998687319504) internal successors, (15575), 7687 states have internal predecessors, (15575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7688 states to 7688 states and 15575 transitions. [2022-11-03 02:30:07,965 INFO L78 Accepts]: Start accepts. Automaton has 7688 states and 15575 transitions. Word has length 30 [2022-11-03 02:30:07,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:07,965 INFO L495 AbstractCegarLoop]: Abstraction has 7688 states and 15575 transitions. [2022-11-03 02:30:07,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 7688 states and 15575 transitions. [2022-11-03 02:30:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:07,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:07,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:07,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-11-03 02:30:07,967 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:07,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1953188331, now seen corresponding path program 8 times [2022-11-03 02:30:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:07,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12713944] [2022-11-03 02:30:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:07,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:08,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:08,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12713944] [2022-11-03 02:30:08,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12713944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:08,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:08,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:08,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839441311] [2022-11-03 02:30:08,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:08,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:08,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:08,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:08,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:08,861 INFO L87 Difference]: Start difference. First operand 7688 states and 15575 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:12,870 INFO L93 Difference]: Finished difference Result 12451 states and 24905 transitions. [2022-11-03 02:30:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:30:12,870 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:12,887 INFO L225 Difference]: With dead ends: 12451 [2022-11-03 02:30:12,887 INFO L226 Difference]: Without dead ends: 12451 [2022-11-03 02:30:12,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2022-11-03 02:30:12,888 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 700 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 3349 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 3444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 3349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:12,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 662 Invalid, 3444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 3349 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:30:12,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12451 states. [2022-11-03 02:30:12,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12451 to 7688. [2022-11-03 02:30:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7688 states, 7618 states have (on average 2.0444998687319504) internal successors, (15575), 7687 states have internal predecessors, (15575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7688 states to 7688 states and 15575 transitions. [2022-11-03 02:30:13,057 INFO L78 Accepts]: Start accepts. Automaton has 7688 states and 15575 transitions. Word has length 30 [2022-11-03 02:30:13,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:13,058 INFO L495 AbstractCegarLoop]: Abstraction has 7688 states and 15575 transitions. [2022-11-03 02:30:13,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7688 states and 15575 transitions. [2022-11-03 02:30:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:13,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:13,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:13,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-11-03 02:30:13,061 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:13,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:13,062 INFO L85 PathProgramCache]: Analyzing trace with hash -595682262, now seen corresponding path program 32 times [2022-11-03 02:30:13,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:13,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594337179] [2022-11-03 02:30:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:13,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:13,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:13,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594337179] [2022-11-03 02:30:13,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594337179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:13,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:13,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:13,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813617219] [2022-11-03 02:30:13,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:13,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:13,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:13,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:13,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:13,674 INFO L87 Difference]: Start difference. First operand 7688 states and 15575 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:17,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:17,105 INFO L93 Difference]: Finished difference Result 12323 states and 24650 transitions. [2022-11-03 02:30:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:30:17,106 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:17,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:17,126 INFO L225 Difference]: With dead ends: 12323 [2022-11-03 02:30:17,126 INFO L226 Difference]: Without dead ends: 12323 [2022-11-03 02:30:17,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:30:17,127 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 693 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 3132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:17,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 516 Invalid, 3132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3030 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:30:17,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12323 states. [2022-11-03 02:30:17,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12323 to 7689. [2022-11-03 02:30:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7689 states, 7619 states have (on average 2.0444940280876756) internal successors, (15577), 7688 states have internal predecessors, (15577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:17,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7689 states to 7689 states and 15577 transitions. [2022-11-03 02:30:17,275 INFO L78 Accepts]: Start accepts. Automaton has 7689 states and 15577 transitions. Word has length 30 [2022-11-03 02:30:17,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:17,275 INFO L495 AbstractCegarLoop]: Abstraction has 7689 states and 15577 transitions. [2022-11-03 02:30:17,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:17,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7689 states and 15577 transitions. [2022-11-03 02:30:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:17,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:17,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:17,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-11-03 02:30:17,278 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:17,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:17,278 INFO L85 PathProgramCache]: Analyzing trace with hash -603466362, now seen corresponding path program 33 times [2022-11-03 02:30:17,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:17,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523636800] [2022-11-03 02:30:17,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:17,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:18,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:18,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523636800] [2022-11-03 02:30:18,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523636800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:18,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:18,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:18,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070622562] [2022-11-03 02:30:18,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:18,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:18,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:18,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:18,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:18,109 INFO L87 Difference]: Start difference. First operand 7689 states and 15577 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:21,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:21,024 INFO L93 Difference]: Finished difference Result 12323 states and 24650 transitions. [2022-11-03 02:30:21,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:30:21,024 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:21,045 INFO L225 Difference]: With dead ends: 12323 [2022-11-03 02:30:21,045 INFO L226 Difference]: Without dead ends: 12323 [2022-11-03 02:30:21,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:30:21,046 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 571 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:21,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 556 Invalid, 2515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2413 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:30:21,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12323 states. [2022-11-03 02:30:21,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12323 to 7690. [2022-11-03 02:30:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7690 states, 7620 states have (on average 2.044488188976378) internal successors, (15579), 7689 states have internal predecessors, (15579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:21,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7690 states to 7690 states and 15579 transitions. [2022-11-03 02:30:21,207 INFO L78 Accepts]: Start accepts. Automaton has 7690 states and 15579 transitions. Word has length 30 [2022-11-03 02:30:21,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:21,207 INFO L495 AbstractCegarLoop]: Abstraction has 7690 states and 15579 transitions. [2022-11-03 02:30:21,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7690 states and 15579 transitions. [2022-11-03 02:30:21,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:21,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:21,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:21,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-11-03 02:30:21,210 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:21,211 INFO L85 PathProgramCache]: Analyzing trace with hash -603722112, now seen corresponding path program 34 times [2022-11-03 02:30:21,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:21,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476445686] [2022-11-03 02:30:21,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:21,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:22,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:22,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476445686] [2022-11-03 02:30:22,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476445686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:22,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:22,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:22,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91765824] [2022-11-03 02:30:22,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:22,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:22,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:22,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:22,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:22,096 INFO L87 Difference]: Start difference. First operand 7690 states and 15579 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:25,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:25,396 INFO L93 Difference]: Finished difference Result 12315 states and 24683 transitions. [2022-11-03 02:30:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:30:25,397 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:25,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:25,424 INFO L225 Difference]: With dead ends: 12315 [2022-11-03 02:30:25,425 INFO L226 Difference]: Without dead ends: 12315 [2022-11-03 02:30:25,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:30:25,425 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 455 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 2857 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 2919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:25,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 651 Invalid, 2919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2857 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:30:25,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12315 states. [2022-11-03 02:30:25,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12315 to 7684. [2022-11-03 02:30:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7684 states, 7614 states have (on average 2.0445232466509062) internal successors, (15567), 7683 states have internal predecessors, (15567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:25,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7684 states to 7684 states and 15567 transitions. [2022-11-03 02:30:25,574 INFO L78 Accepts]: Start accepts. Automaton has 7684 states and 15567 transitions. Word has length 30 [2022-11-03 02:30:25,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:25,574 INFO L495 AbstractCegarLoop]: Abstraction has 7684 states and 15567 transitions. [2022-11-03 02:30:25,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:25,574 INFO L276 IsEmpty]: Start isEmpty. Operand 7684 states and 15567 transitions. [2022-11-03 02:30:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:25,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:25,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:25,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-11-03 02:30:25,576 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:25,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:25,577 INFO L85 PathProgramCache]: Analyzing trace with hash 567261842, now seen corresponding path program 35 times [2022-11-03 02:30:25,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:25,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213941899] [2022-11-03 02:30:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:26,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:26,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213941899] [2022-11-03 02:30:26,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213941899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:26,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:26,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:26,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809179312] [2022-11-03 02:30:26,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:26,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:26,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:26,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:26,228 INFO L87 Difference]: Start difference. First operand 7684 states and 15567 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:31,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:31,054 INFO L93 Difference]: Finished difference Result 12519 states and 25042 transitions. [2022-11-03 02:30:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-03 02:30:31,054 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:31,074 INFO L225 Difference]: With dead ends: 12519 [2022-11-03 02:30:31,074 INFO L226 Difference]: Without dead ends: 12519 [2022-11-03 02:30:31,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=360, Invalid=830, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 02:30:31,074 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 572 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 4388 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 4486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 4388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:31,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 589 Invalid, 4486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 4388 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 02:30:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12519 states. [2022-11-03 02:30:31,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12519 to 7683. [2022-11-03 02:30:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7683 states, 7613 states have (on average 2.044529094969132) internal successors, (15565), 7682 states have internal predecessors, (15565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7683 states to 7683 states and 15565 transitions. [2022-11-03 02:30:31,224 INFO L78 Accepts]: Start accepts. Automaton has 7683 states and 15565 transitions. Word has length 30 [2022-11-03 02:30:31,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:31,224 INFO L495 AbstractCegarLoop]: Abstraction has 7683 states and 15565 transitions. [2022-11-03 02:30:31,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 7683 states and 15565 transitions. [2022-11-03 02:30:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:31,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:31,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:31,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-11-03 02:30:31,226 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:31,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:31,227 INFO L85 PathProgramCache]: Analyzing trace with hash 426052502, now seen corresponding path program 36 times [2022-11-03 02:30:31,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:31,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420716409] [2022-11-03 02:30:31,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:31,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:31,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:31,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420716409] [2022-11-03 02:30:31,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420716409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:31,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:31,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:31,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675510455] [2022-11-03 02:30:31,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:31,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:31,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:31,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:31,819 INFO L87 Difference]: Start difference. First operand 7683 states and 15565 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:35,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:35,235 INFO L93 Difference]: Finished difference Result 12312 states and 24628 transitions. [2022-11-03 02:30:35,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:30:35,236 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:35,257 INFO L225 Difference]: With dead ends: 12312 [2022-11-03 02:30:35,257 INFO L226 Difference]: Without dead ends: 12312 [2022-11-03 02:30:35,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:30:35,258 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 626 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:35,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 512 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 3111 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:30:35,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12312 states. [2022-11-03 02:30:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12312 to 7682. [2022-11-03 02:30:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7682 states, 7612 states have (on average 2.0445349448239623) internal successors, (15563), 7681 states have internal predecessors, (15563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7682 states to 7682 states and 15563 transitions. [2022-11-03 02:30:35,400 INFO L78 Accepts]: Start accepts. Automaton has 7682 states and 15563 transitions. Word has length 30 [2022-11-03 02:30:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:35,400 INFO L495 AbstractCegarLoop]: Abstraction has 7682 states and 15563 transitions. [2022-11-03 02:30:35,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 7682 states and 15563 transitions. [2022-11-03 02:30:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:35,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:35,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:35,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-11-03 02:30:35,404 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:35,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:35,404 INFO L85 PathProgramCache]: Analyzing trace with hash 418268402, now seen corresponding path program 37 times [2022-11-03 02:30:35,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:35,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268306457] [2022-11-03 02:30:35,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:35,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:36,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:36,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268306457] [2022-11-03 02:30:36,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268306457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:36,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:36,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:36,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491691489] [2022-11-03 02:30:36,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:36,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:36,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:36,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:36,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:36,170 INFO L87 Difference]: Start difference. First operand 7682 states and 15563 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:38,484 INFO L93 Difference]: Finished difference Result 12299 states and 24651 transitions. [2022-11-03 02:30:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:30:38,485 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:38,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:38,505 INFO L225 Difference]: With dead ends: 12299 [2022-11-03 02:30:38,505 INFO L226 Difference]: Without dead ends: 12299 [2022-11-03 02:30:38,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:30:38,505 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 463 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:38,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 567 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:30:38,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12299 states. [2022-11-03 02:30:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12299 to 7674. [2022-11-03 02:30:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7674 states, 7604 states have (on average 2.04458179905313) internal successors, (15547), 7673 states have internal predecessors, (15547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7674 states to 7674 states and 15547 transitions. [2022-11-03 02:30:38,633 INFO L78 Accepts]: Start accepts. Automaton has 7674 states and 15547 transitions. Word has length 30 [2022-11-03 02:30:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:38,633 INFO L495 AbstractCegarLoop]: Abstraction has 7674 states and 15547 transitions. [2022-11-03 02:30:38,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7674 states and 15547 transitions. [2022-11-03 02:30:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:38,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:38,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:38,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-11-03 02:30:38,635 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:38,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:38,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1343156829, now seen corresponding path program 9 times [2022-11-03 02:30:38,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:38,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722292199] [2022-11-03 02:30:38,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:38,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:39,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:39,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722292199] [2022-11-03 02:30:39,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722292199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:39,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:39,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:39,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217652720] [2022-11-03 02:30:39,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:39,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:39,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:39,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:39,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:39,769 INFO L87 Difference]: Start difference. First operand 7674 states and 15547 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:44,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:44,332 INFO L93 Difference]: Finished difference Result 12441 states and 24885 transitions. [2022-11-03 02:30:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:30:44,333 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:44,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:44,351 INFO L225 Difference]: With dead ends: 12441 [2022-11-03 02:30:44,351 INFO L226 Difference]: Without dead ends: 12441 [2022-11-03 02:30:44,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-11-03 02:30:44,351 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 731 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 3551 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 3648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:44,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 671 Invalid, 3648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3551 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 02:30:44,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12441 states. [2022-11-03 02:30:44,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12441 to 7674. [2022-11-03 02:30:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7674 states, 7604 states have (on average 2.04458179905313) internal successors, (15547), 7673 states have internal predecessors, (15547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7674 states to 7674 states and 15547 transitions. [2022-11-03 02:30:44,475 INFO L78 Accepts]: Start accepts. Automaton has 7674 states and 15547 transitions. Word has length 30 [2022-11-03 02:30:44,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:44,475 INFO L495 AbstractCegarLoop]: Abstraction has 7674 states and 15547 transitions. [2022-11-03 02:30:44,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 7674 states and 15547 transitions. [2022-11-03 02:30:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:44,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:44,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:44,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-11-03 02:30:44,477 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:44,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:44,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1448637559, now seen corresponding path program 10 times [2022-11-03 02:30:44,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:44,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869313927] [2022-11-03 02:30:44,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:44,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:45,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:45,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869313927] [2022-11-03 02:30:45,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869313927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:45,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:45,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:45,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697671927] [2022-11-03 02:30:45,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:45,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:30:45,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:45,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:30:45,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:30:45,453 INFO L87 Difference]: Start difference. First operand 7674 states and 15547 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:50,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:50,743 INFO L93 Difference]: Finished difference Result 12735 states and 25469 transitions. [2022-11-03 02:30:50,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 02:30:50,744 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:50,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:50,762 INFO L225 Difference]: With dead ends: 12735 [2022-11-03 02:30:50,762 INFO L226 Difference]: Without dead ends: 12735 [2022-11-03 02:30:50,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=287, Invalid=769, Unknown=0, NotChecked=0, Total=1056 [2022-11-03 02:30:50,763 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 622 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 4306 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 4384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 4306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:50,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 709 Invalid, 4384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 4306 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-03 02:30:50,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12735 states. [2022-11-03 02:30:50,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12735 to 7675. [2022-11-03 02:30:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7675 states, 7605 states have (on average 2.0445759368836294) internal successors, (15549), 7674 states have internal predecessors, (15549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7675 states to 7675 states and 15549 transitions. [2022-11-03 02:30:50,883 INFO L78 Accepts]: Start accepts. Automaton has 7675 states and 15549 transitions. Word has length 30 [2022-11-03 02:30:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:50,884 INFO L495 AbstractCegarLoop]: Abstraction has 7675 states and 15549 transitions. [2022-11-03 02:30:50,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 7675 states and 15549 transitions. [2022-11-03 02:30:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:50,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:50,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:50,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-11-03 02:30:50,886 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash 741869975, now seen corresponding path program 2 times [2022-11-03 02:30:50,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:50,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878261887] [2022-11-03 02:30:50,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:50,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:51,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:51,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878261887] [2022-11-03 02:30:51,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878261887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:51,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:51,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:30:51,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792855104] [2022-11-03 02:30:51,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:51,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:30:51,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:51,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:30:51,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:30:51,227 INFO L87 Difference]: Start difference. First operand 7675 states and 15549 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:54,600 INFO L93 Difference]: Finished difference Result 7793 states and 15735 transitions. [2022-11-03 02:30:54,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:30:54,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:54,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:54,622 INFO L225 Difference]: With dead ends: 7793 [2022-11-03 02:30:54,622 INFO L226 Difference]: Without dead ends: 7793 [2022-11-03 02:30:54,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:30:54,623 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 334 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 3071 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 3071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:54,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 487 Invalid, 3104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 3071 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 02:30:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7793 states. [2022-11-03 02:30:54,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7793 to 7686. [2022-11-03 02:30:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7686 states, 7616 states have (on average 2.044511554621849) internal successors, (15571), 7685 states have internal predecessors, (15571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:54,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7686 states to 7686 states and 15571 transitions. [2022-11-03 02:30:54,746 INFO L78 Accepts]: Start accepts. Automaton has 7686 states and 15571 transitions. Word has length 30 [2022-11-03 02:30:54,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:54,746 INFO L495 AbstractCegarLoop]: Abstraction has 7686 states and 15571 transitions. [2022-11-03 02:30:54,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 7686 states and 15571 transitions. [2022-11-03 02:30:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:54,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:54,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:54,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-11-03 02:30:54,749 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:54,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:54,750 INFO L85 PathProgramCache]: Analyzing trace with hash 747434165, now seen corresponding path program 3 times [2022-11-03 02:30:54,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:54,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982717900] [2022-11-03 02:30:54,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:54,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:55,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:55,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982717900] [2022-11-03 02:30:55,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982717900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:55,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:55,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:30:55,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479190485] [2022-11-03 02:30:55,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:55,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:30:55,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:55,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:30:55,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:30:55,107 INFO L87 Difference]: Start difference. First operand 7686 states and 15571 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:57,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:57,270 INFO L93 Difference]: Finished difference Result 7831 states and 15811 transitions. [2022-11-03 02:30:57,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:30:57,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:57,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:57,281 INFO L225 Difference]: With dead ends: 7831 [2022-11-03 02:30:57,282 INFO L226 Difference]: Without dead ends: 7831 [2022-11-03 02:30:57,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:30:57,282 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 343 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:57,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 436 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:30:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7831 states. [2022-11-03 02:30:57,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7831 to 7697. [2022-11-03 02:30:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7697 states, 7627 states have (on average 2.0445784712206634) internal successors, (15594), 7696 states have internal predecessors, (15594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7697 states to 7697 states and 15594 transitions. [2022-11-03 02:30:57,388 INFO L78 Accepts]: Start accepts. Automaton has 7697 states and 15594 transitions. Word has length 30 [2022-11-03 02:30:57,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:57,388 INFO L495 AbstractCegarLoop]: Abstraction has 7697 states and 15594 transitions. [2022-11-03 02:30:57,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:57,388 INFO L276 IsEmpty]: Start isEmpty. Operand 7697 states and 15594 transitions. [2022-11-03 02:30:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:57,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:57,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:57,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-11-03 02:30:57,391 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:57,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:57,391 INFO L85 PathProgramCache]: Analyzing trace with hash 920817785, now seen corresponding path program 4 times [2022-11-03 02:30:57,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:57,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780869699] [2022-11-03 02:30:57,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:57,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:57,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:57,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780869699] [2022-11-03 02:30:57,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780869699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:57,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:57,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:30:57,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501334409] [2022-11-03 02:30:57,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:57,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:30:57,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:57,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:30:57,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:30:57,794 INFO L87 Difference]: Start difference. First operand 7697 states and 15594 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:59,583 INFO L93 Difference]: Finished difference Result 7878 states and 15906 transitions. [2022-11-03 02:30:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:30:59,584 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:30:59,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:59,595 INFO L225 Difference]: With dead ends: 7878 [2022-11-03 02:30:59,595 INFO L226 Difference]: Without dead ends: 7878 [2022-11-03 02:30:59,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:30:59,595 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 297 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:59,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 417 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:30:59,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7878 states. [2022-11-03 02:30:59,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7878 to 7708. [2022-11-03 02:30:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7708 states, 7638 states have (on average 2.0446451950772455) internal successors, (15617), 7707 states have internal predecessors, (15617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7708 states to 7708 states and 15617 transitions. [2022-11-03 02:30:59,698 INFO L78 Accepts]: Start accepts. Automaton has 7708 states and 15617 transitions. Word has length 30 [2022-11-03 02:30:59,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:59,699 INFO L495 AbstractCegarLoop]: Abstraction has 7708 states and 15617 transitions. [2022-11-03 02:30:59,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 7708 states and 15617 transitions. [2022-11-03 02:30:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:30:59,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:59,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:59,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-11-03 02:30:59,701 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:30:59,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:59,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2028448339, now seen corresponding path program 5 times [2022-11-03 02:30:59,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:59,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817096597] [2022-11-03 02:30:59,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:59,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:00,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:00,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817096597] [2022-11-03 02:31:00,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817096597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:00,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:00,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:31:00,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042645681] [2022-11-03 02:31:00,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:00,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:31:00,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:00,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:31:00,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:31:00,035 INFO L87 Difference]: Start difference. First operand 7708 states and 15617 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:01,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:01,705 INFO L93 Difference]: Finished difference Result 7926 states and 16002 transitions. [2022-11-03 02:31:01,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:31:01,705 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:01,715 INFO L225 Difference]: With dead ends: 7926 [2022-11-03 02:31:01,715 INFO L226 Difference]: Without dead ends: 7926 [2022-11-03 02:31:01,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:31:01,716 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 271 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:01,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 418 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:31:01,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7926 states. [2022-11-03 02:31:01,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7926 to 7719. [2022-11-03 02:31:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7719 states, 7649 states have (on average 2.0447117270231403) internal successors, (15640), 7718 states have internal predecessors, (15640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7719 states to 7719 states and 15640 transitions. [2022-11-03 02:31:01,808 INFO L78 Accepts]: Start accepts. Automaton has 7719 states and 15640 transitions. Word has length 30 [2022-11-03 02:31:01,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:01,808 INFO L495 AbstractCegarLoop]: Abstraction has 7719 states and 15640 transitions. [2022-11-03 02:31:01,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 7719 states and 15640 transitions. [2022-11-03 02:31:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:01,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:01,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:01,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-11-03 02:31:01,811 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:01,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:01,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1430835621, now seen corresponding path program 6 times [2022-11-03 02:31:01,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:01,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298746531] [2022-11-03 02:31:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:01,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:02,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:02,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298746531] [2022-11-03 02:31:02,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298746531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:02,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:02,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:31:02,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271529236] [2022-11-03 02:31:02,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:02,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:31:02,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:02,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:31:02,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:31:02,166 INFO L87 Difference]: Start difference. First operand 7719 states and 15640 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:04,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:04,558 INFO L93 Difference]: Finished difference Result 10974 states and 21953 transitions. [2022-11-03 02:31:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:31:04,558 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:04,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:04,576 INFO L225 Difference]: With dead ends: 10974 [2022-11-03 02:31:04,576 INFO L226 Difference]: Without dead ends: 10974 [2022-11-03 02:31:04,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:31:04,577 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 473 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:04,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 652 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2158 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:31:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10974 states. [2022-11-03 02:31:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10974 to 7568. [2022-11-03 02:31:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7568 states, 7498 states have (on average 2.041344358495599) internal successors, (15306), 7567 states have internal predecessors, (15306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:04,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7568 states to 7568 states and 15306 transitions. [2022-11-03 02:31:04,739 INFO L78 Accepts]: Start accepts. Automaton has 7568 states and 15306 transitions. Word has length 30 [2022-11-03 02:31:04,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:04,739 INFO L495 AbstractCegarLoop]: Abstraction has 7568 states and 15306 transitions. [2022-11-03 02:31:04,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 7568 states and 15306 transitions. [2022-11-03 02:31:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:04,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:04,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:04,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-11-03 02:31:04,741 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:04,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:04,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1523452097, now seen corresponding path program 7 times [2022-11-03 02:31:04,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:04,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433938523] [2022-11-03 02:31:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:04,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:05,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:05,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433938523] [2022-11-03 02:31:05,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433938523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:05,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:05,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:31:05,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728773278] [2022-11-03 02:31:05,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:05,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:31:05,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:05,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:31:05,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:31:05,128 INFO L87 Difference]: Start difference. First operand 7568 states and 15306 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:08,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:08,468 INFO L93 Difference]: Finished difference Result 11455 states and 22907 transitions. [2022-11-03 02:31:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:31:08,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:08,483 INFO L225 Difference]: With dead ends: 11455 [2022-11-03 02:31:08,483 INFO L226 Difference]: Without dead ends: 11455 [2022-11-03 02:31:08,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:31:08,484 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 460 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:08,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 627 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3385 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:31:08,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11455 states. [2022-11-03 02:31:08,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11455 to 7592. [2022-11-03 02:31:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7592 states, 7522 states have (on average 2.0412124434990693) internal successors, (15354), 7591 states have internal predecessors, (15354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7592 states to 7592 states and 15354 transitions. [2022-11-03 02:31:08,598 INFO L78 Accepts]: Start accepts. Automaton has 7592 states and 15354 transitions. Word has length 30 [2022-11-03 02:31:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:08,598 INFO L495 AbstractCegarLoop]: Abstraction has 7592 states and 15354 transitions. [2022-11-03 02:31:08,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 7592 states and 15354 transitions. [2022-11-03 02:31:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:08,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:08,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:08,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-11-03 02:31:08,600 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:08,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1220065115, now seen corresponding path program 8 times [2022-11-03 02:31:08,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:08,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759995584] [2022-11-03 02:31:08,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:09,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:09,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759995584] [2022-11-03 02:31:09,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759995584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:09,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:09,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:09,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935527332] [2022-11-03 02:31:09,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:09,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:09,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:09,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:09,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:09,241 INFO L87 Difference]: Start difference. First operand 7592 states and 15354 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:14,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:14,030 INFO L93 Difference]: Finished difference Result 11331 states and 22712 transitions. [2022-11-03 02:31:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-03 02:31:14,030 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:14,045 INFO L225 Difference]: With dead ends: 11331 [2022-11-03 02:31:14,045 INFO L226 Difference]: Without dead ends: 11331 [2022-11-03 02:31:14,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=350, Invalid=840, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 02:31:14,046 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 639 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 3985 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 4073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:14,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 658 Invalid, 4073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3985 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:31:14,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11331 states. [2022-11-03 02:31:14,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11331 to 7512. [2022-11-03 02:31:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7512 states, 7442 states have (on average 2.0392367643106692) internal successors, (15176), 7511 states have internal predecessors, (15176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7512 states to 7512 states and 15176 transitions. [2022-11-03 02:31:14,177 INFO L78 Accepts]: Start accepts. Automaton has 7512 states and 15176 transitions. Word has length 30 [2022-11-03 02:31:14,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:14,178 INFO L495 AbstractCegarLoop]: Abstraction has 7512 states and 15176 transitions. [2022-11-03 02:31:14,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:14,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7512 states and 15176 transitions. [2022-11-03 02:31:14,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:14,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:14,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:14,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-11-03 02:31:14,180 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:14,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:14,180 INFO L85 PathProgramCache]: Analyzing trace with hash 696292254, now seen corresponding path program 38 times [2022-11-03 02:31:14,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:14,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304286554] [2022-11-03 02:31:14,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:14,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:14,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:14,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304286554] [2022-11-03 02:31:14,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304286554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:14,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:14,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:31:14,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819645000] [2022-11-03 02:31:14,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:14,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:31:14,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:14,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:31:14,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:31:14,806 INFO L87 Difference]: Start difference. First operand 7512 states and 15176 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:16,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:16,678 INFO L93 Difference]: Finished difference Result 10771 states and 21592 transitions. [2022-11-03 02:31:16,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:31:16,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:16,695 INFO L225 Difference]: With dead ends: 10771 [2022-11-03 02:31:16,695 INFO L226 Difference]: Without dead ends: 10771 [2022-11-03 02:31:16,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:31:16,695 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 377 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:16,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 354 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:31:16,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10771 states. [2022-11-03 02:31:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10771 to 7511. [2022-11-03 02:31:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7511 states, 7441 states have (on average 2.03924203736057) internal successors, (15174), 7510 states have internal predecessors, (15174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7511 states to 7511 states and 15174 transitions. [2022-11-03 02:31:16,829 INFO L78 Accepts]: Start accepts. Automaton has 7511 states and 15174 transitions. Word has length 30 [2022-11-03 02:31:16,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:16,829 INFO L495 AbstractCegarLoop]: Abstraction has 7511 states and 15174 transitions. [2022-11-03 02:31:16,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7511 states and 15174 transitions. [2022-11-03 02:31:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:16,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:16,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:16,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-11-03 02:31:16,832 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:16,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:16,832 INFO L85 PathProgramCache]: Analyzing trace with hash 688508154, now seen corresponding path program 39 times [2022-11-03 02:31:16,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:16,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186288770] [2022-11-03 02:31:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:16,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:17,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:17,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186288770] [2022-11-03 02:31:17,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186288770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:17,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:17,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:31:17,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569759862] [2022-11-03 02:31:17,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:17,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:31:17,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:17,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:31:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:31:17,671 INFO L87 Difference]: Start difference. First operand 7511 states and 15174 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:19,606 INFO L93 Difference]: Finished difference Result 10790 states and 21630 transitions. [2022-11-03 02:31:19,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:31:19,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:19,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:19,623 INFO L225 Difference]: With dead ends: 10790 [2022-11-03 02:31:19,623 INFO L226 Difference]: Without dead ends: 10790 [2022-11-03 02:31:19,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:31:19,624 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 374 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:19,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 368 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:31:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10790 states. [2022-11-03 02:31:19,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10790 to 7543. [2022-11-03 02:31:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7543 states, 7473 states have (on average 2.0394754449351) internal successors, (15241), 7542 states have internal predecessors, (15241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7543 states to 7543 states and 15241 transitions. [2022-11-03 02:31:19,743 INFO L78 Accepts]: Start accepts. Automaton has 7543 states and 15241 transitions. Word has length 30 [2022-11-03 02:31:19,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:19,743 INFO L495 AbstractCegarLoop]: Abstraction has 7543 states and 15241 transitions. [2022-11-03 02:31:19,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 7543 states and 15241 transitions. [2022-11-03 02:31:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:19,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:19,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:19,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-11-03 02:31:19,745 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:19,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1479031689, now seen corresponding path program 11 times [2022-11-03 02:31:19,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:19,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933350583] [2022-11-03 02:31:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:19,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:20,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:20,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933350583] [2022-11-03 02:31:20,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933350583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:20,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:20,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:20,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451184005] [2022-11-03 02:31:20,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:20,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:20,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:20,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:20,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:20,658 INFO L87 Difference]: Start difference. First operand 7543 states and 15241 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:23,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:23,677 INFO L93 Difference]: Finished difference Result 7997 states and 16147 transitions. [2022-11-03 02:31:23,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:31:23,677 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:23,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:23,688 INFO L225 Difference]: With dead ends: 7997 [2022-11-03 02:31:23,688 INFO L226 Difference]: Without dead ends: 7997 [2022-11-03 02:31:23,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:31:23,688 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 483 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:23,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 457 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2309 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:31:23,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7997 states. [2022-11-03 02:31:23,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7997 to 7422. [2022-11-03 02:31:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7422 states, 7352 states have (on average 2.0364526659412405) internal successors, (14972), 7421 states have internal predecessors, (14972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7422 states to 7422 states and 14972 transitions. [2022-11-03 02:31:23,784 INFO L78 Accepts]: Start accepts. Automaton has 7422 states and 14972 transitions. Word has length 30 [2022-11-03 02:31:23,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:23,784 INFO L495 AbstractCegarLoop]: Abstraction has 7422 states and 14972 transitions. [2022-11-03 02:31:23,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 7422 states and 14972 transitions. [2022-11-03 02:31:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:23,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:23,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:23,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-11-03 02:31:23,786 INFO L420 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:23,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:23,787 INFO L85 PathProgramCache]: Analyzing trace with hash -751836855, now seen corresponding path program 12 times [2022-11-03 02:31:23,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:23,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189307956] [2022-11-03 02:31:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:24,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:24,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189307956] [2022-11-03 02:31:24,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189307956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:24,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:24,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:24,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787863233] [2022-11-03 02:31:24,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:24,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:24,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:24,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:24,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:24,864 INFO L87 Difference]: Start difference. First operand 7422 states and 14972 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:28,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:28,761 INFO L93 Difference]: Finished difference Result 7857 states and 15791 transitions. [2022-11-03 02:31:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:31:28,762 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:28,772 INFO L225 Difference]: With dead ends: 7857 [2022-11-03 02:31:28,772 INFO L226 Difference]: Without dead ends: 7857 [2022-11-03 02:31:28,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:31:28,773 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 507 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 2992 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:28,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 459 Invalid, 3092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2992 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:31:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7857 states. [2022-11-03 02:31:28,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7857 to 7435. [2022-11-03 02:31:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7435 states, 7365 states have (on average 2.036388323150034) internal successors, (14998), 7434 states have internal predecessors, (14998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7435 states to 7435 states and 14998 transitions. [2022-11-03 02:31:28,875 INFO L78 Accepts]: Start accepts. Automaton has 7435 states and 14998 transitions. Word has length 30 [2022-11-03 02:31:28,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:28,875 INFO L495 AbstractCegarLoop]: Abstraction has 7435 states and 14998 transitions. [2022-11-03 02:31:28,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 7435 states and 14998 transitions. [2022-11-03 02:31:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:28,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:28,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:28,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-11-03 02:31:28,877 INFO L420 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:28,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1594561421, now seen corresponding path program 13 times [2022-11-03 02:31:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:28,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881057208] [2022-11-03 02:31:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:28,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:29,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:29,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881057208] [2022-11-03 02:31:29,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881057208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:29,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:29,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:29,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542762567] [2022-11-03 02:31:29,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:29,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:29,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:29,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:29,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:29,613 INFO L87 Difference]: Start difference. First operand 7435 states and 14998 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:33,540 INFO L93 Difference]: Finished difference Result 7886 states and 15897 transitions. [2022-11-03 02:31:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:31:33,540 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:33,551 INFO L225 Difference]: With dead ends: 7886 [2022-11-03 02:31:33,551 INFO L226 Difference]: Without dead ends: 7886 [2022-11-03 02:31:33,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:31:33,551 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 488 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 3402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:33,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 501 Invalid, 3402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:31:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7886 states. [2022-11-03 02:31:33,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7886 to 7436. [2022-11-03 02:31:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7436 states, 7366 states have (on average 2.036383383111594) internal successors, (15000), 7435 states have internal predecessors, (15000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7436 states to 7436 states and 15000 transitions. [2022-11-03 02:31:33,643 INFO L78 Accepts]: Start accepts. Automaton has 7436 states and 15000 transitions. Word has length 30 [2022-11-03 02:31:33,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:33,644 INFO L495 AbstractCegarLoop]: Abstraction has 7436 states and 15000 transitions. [2022-11-03 02:31:33,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand 7436 states and 15000 transitions. [2022-11-03 02:31:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:33,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:33,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:33,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-11-03 02:31:33,646 INFO L420 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:33,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2034015531, now seen corresponding path program 14 times [2022-11-03 02:31:33,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:33,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995092882] [2022-11-03 02:31:33,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:33,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:34,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:34,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995092882] [2022-11-03 02:31:34,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995092882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:34,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:34,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:34,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011207558] [2022-11-03 02:31:34,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:34,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:34,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:34,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:34,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:34,669 INFO L87 Difference]: Start difference. First operand 7436 states and 15000 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:38,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:38,261 INFO L93 Difference]: Finished difference Result 7858 states and 15843 transitions. [2022-11-03 02:31:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:31:38,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:38,272 INFO L225 Difference]: With dead ends: 7858 [2022-11-03 02:31:38,272 INFO L226 Difference]: Without dead ends: 7858 [2022-11-03 02:31:38,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:31:38,272 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 507 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 2444 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:38,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 457 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 2444 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 02:31:38,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7858 states. [2022-11-03 02:31:38,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7858 to 7462. [2022-11-03 02:31:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7462 states, 7392 states have (on average 2.036255411255411) internal successors, (15052), 7461 states have internal predecessors, (15052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7462 states to 7462 states and 15052 transitions. [2022-11-03 02:31:38,365 INFO L78 Accepts]: Start accepts. Automaton has 7462 states and 15052 transitions. Word has length 30 [2022-11-03 02:31:38,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:38,365 INFO L495 AbstractCegarLoop]: Abstraction has 7462 states and 15052 transitions. [2022-11-03 02:31:38,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 7462 states and 15052 transitions. [2022-11-03 02:31:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:38,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:38,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:38,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-11-03 02:31:38,367 INFO L420 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:38,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:38,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1418227199, now seen corresponding path program 15 times [2022-11-03 02:31:38,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:38,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408056232] [2022-11-03 02:31:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:38,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:39,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:39,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408056232] [2022-11-03 02:31:39,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408056232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:39,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:39,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954891566] [2022-11-03 02:31:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:39,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:39,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:39,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:39,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:39,378 INFO L87 Difference]: Start difference. First operand 7462 states and 15052 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:43,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:43,785 INFO L93 Difference]: Finished difference Result 7894 states and 15913 transitions. [2022-11-03 02:31:43,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:31:43,786 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:43,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:43,796 INFO L225 Difference]: With dead ends: 7894 [2022-11-03 02:31:43,796 INFO L226 Difference]: Without dead ends: 7894 [2022-11-03 02:31:43,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:31:43,797 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 494 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:43,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 490 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 02:31:43,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2022-11-03 02:31:43,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7449. [2022-11-03 02:31:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7449 states, 7379 states have (on average 2.0363192844558884) internal successors, (15026), 7448 states have internal predecessors, (15026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7449 states to 7449 states and 15026 transitions. [2022-11-03 02:31:43,892 INFO L78 Accepts]: Start accepts. Automaton has 7449 states and 15026 transitions. Word has length 30 [2022-11-03 02:31:43,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:43,892 INFO L495 AbstractCegarLoop]: Abstraction has 7449 states and 15026 transitions. [2022-11-03 02:31:43,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 7449 states and 15026 transitions. [2022-11-03 02:31:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:43,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:43,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:43,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-11-03 02:31:43,894 INFO L420 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:43,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:43,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1878117961, now seen corresponding path program 16 times [2022-11-03 02:31:43,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:43,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337840911] [2022-11-03 02:31:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:43,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:44,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:44,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337840911] [2022-11-03 02:31:44,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337840911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:44,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:44,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:44,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878211591] [2022-11-03 02:31:44,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:44,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:44,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:44,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:44,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:44,841 INFO L87 Difference]: Start difference. First operand 7449 states and 15026 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:48,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:48,325 INFO L93 Difference]: Finished difference Result 7888 states and 15852 transitions. [2022-11-03 02:31:48,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:31:48,325 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:48,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:48,336 INFO L225 Difference]: With dead ends: 7888 [2022-11-03 02:31:48,336 INFO L226 Difference]: Without dead ends: 7888 [2022-11-03 02:31:48,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:31:48,336 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 450 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 2765 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 2832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:48,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 432 Invalid, 2832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2765 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:31:48,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2022-11-03 02:31:48,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7446. [2022-11-03 02:31:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7446 states, 7376 states have (on average 2.036334056399132) internal successors, (15020), 7445 states have internal predecessors, (15020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7446 states to 7446 states and 15020 transitions. [2022-11-03 02:31:48,435 INFO L78 Accepts]: Start accepts. Automaton has 7446 states and 15020 transitions. Word has length 30 [2022-11-03 02:31:48,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:48,436 INFO L495 AbstractCegarLoop]: Abstraction has 7446 states and 15020 transitions. [2022-11-03 02:31:48,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 7446 states and 15020 transitions. [2022-11-03 02:31:48,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:48,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:48,438 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] [2022-11-03 02:31:48,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-11-03 02:31:48,438 INFO L420 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:48,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:48,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1320718955, now seen corresponding path program 17 times [2022-11-03 02:31:48,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:48,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432008896] [2022-11-03 02:31:48,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:48,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:49,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:49,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432008896] [2022-11-03 02:31:49,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432008896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:49,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:49,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:49,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70744342] [2022-11-03 02:31:49,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:49,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:49,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:49,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:49,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:49,214 INFO L87 Difference]: Start difference. First operand 7446 states and 15020 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:51,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:51,735 INFO L93 Difference]: Finished difference Result 7836 states and 15799 transitions. [2022-11-03 02:31:51,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:31:51,735 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:51,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:51,745 INFO L225 Difference]: With dead ends: 7836 [2022-11-03 02:31:51,745 INFO L226 Difference]: Without dead ends: 7836 [2022-11-03 02:31:51,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:31:51,749 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 486 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:51,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 432 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:31:51,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7836 states. [2022-11-03 02:31:51,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7836 to 7433. [2022-11-03 02:31:51,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7433 states, 7363 states have (on average 2.0363982072524784) internal successors, (14994), 7432 states have internal predecessors, (14994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7433 states to 7433 states and 14994 transitions. [2022-11-03 02:31:51,867 INFO L78 Accepts]: Start accepts. Automaton has 7433 states and 14994 transitions. Word has length 30 [2022-11-03 02:31:51,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:51,867 INFO L495 AbstractCegarLoop]: Abstraction has 7433 states and 14994 transitions. [2022-11-03 02:31:51,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 7433 states and 14994 transitions. [2022-11-03 02:31:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:51,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:51,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:51,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-11-03 02:31:51,869 INFO L420 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:51,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:51,870 INFO L85 PathProgramCache]: Analyzing trace with hash 477994389, now seen corresponding path program 18 times [2022-11-03 02:31:51,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:51,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142184845] [2022-11-03 02:31:51,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:51,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:52,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:52,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142184845] [2022-11-03 02:31:52,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142184845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:52,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:52,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:52,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65897180] [2022-11-03 02:31:52,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:52,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:52,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:52,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:52,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:52,533 INFO L87 Difference]: Start difference. First operand 7433 states and 14994 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:55,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:55,601 INFO L93 Difference]: Finished difference Result 7850 states and 15827 transitions. [2022-11-03 02:31:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:31:55,601 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:55,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:55,610 INFO L225 Difference]: With dead ends: 7850 [2022-11-03 02:31:55,611 INFO L226 Difference]: Without dead ends: 7850 [2022-11-03 02:31:55,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:31:55,611 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 475 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 2878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:55,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 473 Invalid, 2878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2753 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:31:55,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7850 states. [2022-11-03 02:31:55,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7850 to 7420. [2022-11-03 02:31:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7420 states, 7350 states have (on average 2.0364625850340135) internal successors, (14968), 7419 states have internal predecessors, (14968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7420 states to 7420 states and 14968 transitions. [2022-11-03 02:31:55,704 INFO L78 Accepts]: Start accepts. Automaton has 7420 states and 14968 transitions. Word has length 30 [2022-11-03 02:31:55,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:55,705 INFO L495 AbstractCegarLoop]: Abstraction has 7420 states and 14968 transitions. [2022-11-03 02:31:55,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7420 states and 14968 transitions. [2022-11-03 02:31:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:55,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:55,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:55,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-11-03 02:31:55,707 INFO L420 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:55,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:55,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1476616525, now seen corresponding path program 19 times [2022-11-03 02:31:55,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:55,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432139632] [2022-11-03 02:31:55,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:55,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:56,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:56,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432139632] [2022-11-03 02:31:56,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432139632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:56,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:56,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:31:56,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602100677] [2022-11-03 02:31:56,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:56,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:31:56,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:56,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:31:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:56,403 INFO L87 Difference]: Start difference. First operand 7420 states and 14968 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:59,492 INFO L93 Difference]: Finished difference Result 7920 states and 15963 transitions. [2022-11-03 02:31:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:31:59,492 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:31:59,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:59,501 INFO L225 Difference]: With dead ends: 7920 [2022-11-03 02:31:59,501 INFO L226 Difference]: Without dead ends: 7920 [2022-11-03 02:31:59,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:31:59,502 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 468 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 2614 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 2731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:59,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 467 Invalid, 2731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2614 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:31:59,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7920 states. [2022-11-03 02:31:59,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7920 to 7402. [2022-11-03 02:31:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7402 states, 7332 states have (on average 2.036415711947627) internal successors, (14931), 7401 states have internal predecessors, (14931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7402 states to 7402 states and 14931 transitions. [2022-11-03 02:31:59,596 INFO L78 Accepts]: Start accepts. Automaton has 7402 states and 14931 transitions. Word has length 30 [2022-11-03 02:31:59,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:59,596 INFO L495 AbstractCegarLoop]: Abstraction has 7402 states and 14931 transitions. [2022-11-03 02:31:59,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 7402 states and 14931 transitions. [2022-11-03 02:31:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:31:59,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:59,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:59,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-11-03 02:31:59,598 INFO L420 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:31:59,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:59,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1319533437, now seen corresponding path program 7 times [2022-11-03 02:31:59,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:59,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180905351] [2022-11-03 02:31:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:59,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:00,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:00,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180905351] [2022-11-03 02:32:00,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180905351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:00,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:00,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:32:00,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628324051] [2022-11-03 02:32:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:00,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:32:00,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:00,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:32:00,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:32:00,476 INFO L87 Difference]: Start difference. First operand 7402 states and 14931 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:03,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:03,857 INFO L93 Difference]: Finished difference Result 7857 states and 15840 transitions. [2022-11-03 02:32:03,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:32:03,858 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:32:03,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:03,868 INFO L225 Difference]: With dead ends: 7857 [2022-11-03 02:32:03,868 INFO L226 Difference]: Without dead ends: 7857 [2022-11-03 02:32:03,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:32:03,868 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 508 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 2971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:03,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 461 Invalid, 2971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:32:03,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7857 states. [2022-11-03 02:32:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7857 to 7426. [2022-11-03 02:32:03,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7426 states, 7356 states have (on average 2.0362969004893965) internal successors, (14979), 7425 states have internal predecessors, (14979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7426 states to 7426 states and 14979 transitions. [2022-11-03 02:32:03,997 INFO L78 Accepts]: Start accepts. Automaton has 7426 states and 14979 transitions. Word has length 30 [2022-11-03 02:32:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:03,998 INFO L495 AbstractCegarLoop]: Abstraction has 7426 states and 14979 transitions. [2022-11-03 02:32:03,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7426 states and 14979 transitions. [2022-11-03 02:32:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:32:04,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:04,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:04,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-11-03 02:32:04,000 INFO L420 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:32:04,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:04,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1863585671, now seen corresponding path program 8 times [2022-11-03 02:32:04,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:04,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421630216] [2022-11-03 02:32:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:04,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:04,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421630216] [2022-11-03 02:32:04,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421630216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:04,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:04,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:32:04,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805837858] [2022-11-03 02:32:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:04,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:32:04,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:04,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:32:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:32:04,855 INFO L87 Difference]: Start difference. First operand 7426 states and 14979 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:09,785 INFO L93 Difference]: Finished difference Result 7914 states and 15954 transitions. [2022-11-03 02:32:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:32:09,785 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:32:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:09,794 INFO L225 Difference]: With dead ends: 7914 [2022-11-03 02:32:09,794 INFO L226 Difference]: Without dead ends: 7914 [2022-11-03 02:32:09,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:32:09,795 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 502 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 4412 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 4530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:09,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 518 Invalid, 4530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 4412 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-03 02:32:09,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7914 states. [2022-11-03 02:32:09,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7914 to 7439. [2022-11-03 02:32:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7439 states, 7369 states have (on average 2.03623286741756) internal successors, (15005), 7438 states have internal predecessors, (15005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7439 states to 7439 states and 15005 transitions. [2022-11-03 02:32:09,884 INFO L78 Accepts]: Start accepts. Automaton has 7439 states and 15005 transitions. Word has length 30 [2022-11-03 02:32:09,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:09,885 INFO L495 AbstractCegarLoop]: Abstraction has 7439 states and 15005 transitions. [2022-11-03 02:32:09,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7439 states and 15005 transitions. [2022-11-03 02:32:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:32:09,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:09,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:09,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-11-03 02:32:09,887 INFO L420 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:32:09,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:09,887 INFO L85 PathProgramCache]: Analyzing trace with hash -600906671, now seen corresponding path program 9 times [2022-11-03 02:32:09,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:09,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152241751] [2022-11-03 02:32:09,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:09,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:10,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:10,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152241751] [2022-11-03 02:32:10,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152241751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:10,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:10,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:32:10,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086752858] [2022-11-03 02:32:10,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:10,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:32:10,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:10,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:32:10,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:32:10,663 INFO L87 Difference]: Start difference. First operand 7439 states and 15005 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:15,119 INFO L93 Difference]: Finished difference Result 7933 states and 15992 transitions. [2022-11-03 02:32:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:32:15,119 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:32:15,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:15,129 INFO L225 Difference]: With dead ends: 7933 [2022-11-03 02:32:15,129 INFO L226 Difference]: Without dead ends: 7933 [2022-11-03 02:32:15,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:32:15,130 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 512 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 3526 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 3688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 3526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:15,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 484 Invalid, 3688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 3526 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:32:15,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2022-11-03 02:32:15,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7453. [2022-11-03 02:32:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7453 states, 7383 states have (on average 2.0361641609101993) internal successors, (15033), 7452 states have internal predecessors, (15033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7453 states to 7453 states and 15033 transitions. [2022-11-03 02:32:15,223 INFO L78 Accepts]: Start accepts. Automaton has 7453 states and 15033 transitions. Word has length 30 [2022-11-03 02:32:15,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:15,223 INFO L495 AbstractCegarLoop]: Abstraction has 7453 states and 15033 transitions. [2022-11-03 02:32:15,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 7453 states and 15033 transitions. [2022-11-03 02:32:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:32:15,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:15,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:15,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-11-03 02:32:15,225 INFO L420 AbstractCegarLoop]: === Iteration 180 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:32:15,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash 444258977, now seen corresponding path program 10 times [2022-11-03 02:32:15,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:15,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948561030] [2022-11-03 02:32:15,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:15,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:16,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:16,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948561030] [2022-11-03 02:32:16,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948561030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:16,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:16,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:32:16,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767347212] [2022-11-03 02:32:16,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:16,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:32:16,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:32:16,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:32:16,086 INFO L87 Difference]: Start difference. First operand 7453 states and 15033 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:19,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:19,050 INFO L93 Difference]: Finished difference Result 7938 states and 16003 transitions. [2022-11-03 02:32:19,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:32:19,051 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:32:19,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:19,060 INFO L225 Difference]: With dead ends: 7938 [2022-11-03 02:32:19,060 INFO L226 Difference]: Without dead ends: 7938 [2022-11-03 02:32:19,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:32:19,061 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 453 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:19,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 431 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2521 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:32:19,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7938 states. [2022-11-03 02:32:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7938 to 7479. [2022-11-03 02:32:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7479 states, 7409 states have (on average 2.036037251990822) internal successors, (15085), 7478 states have internal predecessors, (15085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7479 states to 7479 states and 15085 transitions. [2022-11-03 02:32:19,156 INFO L78 Accepts]: Start accepts. Automaton has 7479 states and 15085 transitions. Word has length 30 [2022-11-03 02:32:19,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:19,156 INFO L495 AbstractCegarLoop]: Abstraction has 7479 states and 15085 transitions. [2022-11-03 02:32:19,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7479 states and 15085 transitions. [2022-11-03 02:32:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:32:19,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:19,158 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] [2022-11-03 02:32:19,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-11-03 02:32:19,158 INFO L420 AbstractCegarLoop]: === Iteration 181 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:32:19,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2020233365, now seen corresponding path program 11 times [2022-11-03 02:32:19,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:19,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048365745] [2022-11-03 02:32:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:19,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:19,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:19,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048365745] [2022-11-03 02:32:19,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048365745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:19,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:19,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:32:19,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869996277] [2022-11-03 02:32:19,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:19,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:32:19,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:19,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:32:19,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:32:19,995 INFO L87 Difference]: Start difference. First operand 7479 states and 15085 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:23,303 INFO L93 Difference]: Finished difference Result 8001 states and 16129 transitions. [2022-11-03 02:32:23,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:32:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-03 02:32:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:23,314 INFO L225 Difference]: With dead ends: 8001 [2022-11-03 02:32:23,314 INFO L226 Difference]: Without dead ends: 8001 [2022-11-03 02:32:23,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:32:23,315 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 487 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 2581 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 2750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 2581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:23,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 437 Invalid, 2750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 2581 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:32:23,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states. [2022-11-03 02:32:23,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 7466. [2022-11-03 02:32:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7466 states, 7396 states have (on average 2.036100594916171) internal successors, (15059), 7465 states have internal predecessors, (15059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 15059 transitions. [2022-11-03 02:32:23,408 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 15059 transitions. Word has length 30 [2022-11-03 02:32:23,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:23,409 INFO L495 AbstractCegarLoop]: Abstraction has 7466 states and 15059 transitions. [2022-11-03 02:32:23,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:23,409 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 15059 transitions. [2022-11-03 02:32:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:32:23,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:23,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:23,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-11-03 02:32:23,411 INFO L420 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-11-03 02:32:23,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1942134305, now seen corresponding path program 12 times [2022-11-03 02:32:23,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:23,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538700214] [2022-11-03 02:32:23,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:23,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:24,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:24,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538700214] [2022-11-03 02:32:24,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538700214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:24,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:24,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:32:24,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146313388] [2022-11-03 02:32:24,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:24,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:32:24,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:24,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:32:24,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:32:24,187 INFO L87 Difference]: Start difference. First operand 7466 states and 15059 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)