./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V --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 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:34:59,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:34:59,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:34:59,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:34:59,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:34:59,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:34:59,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:34:59,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:34:59,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:34:59,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:34:59,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:34:59,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:34:59,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:34:59,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:34:59,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:34:59,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:34:59,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:34:59,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:34:59,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:34:59,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:34:59,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:34:59,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:34:59,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:34:59,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:34:59,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:34:59,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:34:59,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:34:59,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:34:59,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:34:59,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:34:59,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:34:59,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:34:59,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:34:59,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:34:59,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:34:59,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:34:59,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:34:59,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:34:59,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:34:59,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:34:59,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:34:59,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 02:34:59,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:34:59,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:34:59,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:34:59,315 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:34:59,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:34:59,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:34:59,316 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:34:59,316 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:34:59,316 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:34:59,317 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:34:59,317 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:34:59,317 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:34:59,317 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:34:59,317 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:34:59,318 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:34:59,318 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:34:59,318 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:34:59,318 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:34:59,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:34:59,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:34:59,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:34:59,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:34:59,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:34:59,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:34:59,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:34:59,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:34:59,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:34:59,324 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 02:34:59,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:34:59,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:34:59,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:34:59,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:34:59,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:34:59,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:34:59,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:34:59,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:34:59,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:34:59,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:34:59,328 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:34:59,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:34:59,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:34:59,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:34:59,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:34:59,329 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2021-11-23 02:34:59,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:34:59,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:34:59,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:34:59,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:34:59,683 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:34:59,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2021-11-23 02:34:59,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/data/ee91f558f/092722b382864ebe9bf10e7c5e6bd565/FLAG2af29faa2 [2021-11-23 02:35:00,398 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:35:00,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2021-11-23 02:35:00,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/data/ee91f558f/092722b382864ebe9bf10e7c5e6bd565/FLAG2af29faa2 [2021-11-23 02:35:00,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/data/ee91f558f/092722b382864ebe9bf10e7c5e6bd565 [2021-11-23 02:35:00,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:35:00,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:35:00,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:35:00,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:35:00,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:35:00,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:00" (1/1) ... [2021-11-23 02:35:00,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162905ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:00, skipping insertion in model container [2021-11-23 02:35:00,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:00" (1/1) ... [2021-11-23 02:35:00,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:35:00,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:35:01,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:35:01,445 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:35:01,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:35:01,635 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:35:01,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01 WrapperNode [2021-11-23 02:35:01,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:35:01,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:35:01,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:35:01,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:35:01,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,728 INFO L137 Inliner]: procedures = 368, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2021-11-23 02:35:01,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:35:01,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:35:01,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:35:01,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:35:01,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:35:01,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:35:01,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:35:01,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:35:01,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (1/1) ... [2021-11-23 02:35:01,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:35:01,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:35:01,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:35:01,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:35:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:35:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:35:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:35:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:35:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:35:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 02:35:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:35:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:35:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:35:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 02:35:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 02:35:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:35:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:35:01,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:35:01,979 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 02:35:02,169 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:35:02,171 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:35:02,770 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:35:02,780 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:35:02,784 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:35:02,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:02 BoogieIcfgContainer [2021-11-23 02:35:02,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:35:02,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:35:02,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:35:02,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:35:02,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:35:00" (1/3) ... [2021-11-23 02:35:02,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31356b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:02, skipping insertion in model container [2021-11-23 02:35:02,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:01" (2/3) ... [2021-11-23 02:35:02,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31356b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:02, skipping insertion in model container [2021-11-23 02:35:02,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:02" (3/3) ... [2021-11-23 02:35:02,798 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2021-11-23 02:35:02,809 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 02:35:02,811 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:35:02,811 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-23 02:35:02,811 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 02:35:02,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:02,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:35:03,002 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 02:35:03,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:35:03,060 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:35:03,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-11-23 02:35:03,077 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 02:35:03,118 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 207 transitions, 419 flow [2021-11-23 02:35:03,121 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 207 transitions, 419 flow [2021-11-23 02:35:03,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 207 transitions, 419 flow [2021-11-23 02:35:03,213 INFO L129 PetriNetUnfolder]: 0/206 cut-off events. [2021-11-23 02:35:03,213 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 02:35:03,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 206 events. 0/206 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-23 02:35:03,222 INFO L116 LiptonReduction]: Number of co-enabled transitions 4288 [2021-11-23 02:35:25,848 WARN L227 SmtUtils]: Spent 9.22s on a formula simplification. DAG size of input: 123 DAG size of output: 116 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:35:36,521 WARN L227 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 123 DAG size of output: 116 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:36:48,137 WARN L227 SmtUtils]: Spent 59.95s on a formula simplification. DAG size of input: 194 DAG size of output: 190 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:37:15,481 WARN L227 SmtUtils]: Spent 27.34s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:38:02,064 WARN L227 SmtUtils]: Spent 46.58s on a formula simplification. DAG size of input: 194 DAG size of output: 190 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:38:30,542 WARN L227 SmtUtils]: Spent 28.48s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:39:02,961 WARN L227 SmtUtils]: Spent 32.36s on a formula simplification. DAG size of input: 307 DAG size of output: 305 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:39:16,039 WARN L227 SmtUtils]: Spent 13.07s on a formula simplification that was a NOOP. DAG size: 277 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:42:13,598 WARN L227 SmtUtils]: Spent 2.96m on a formula simplification. DAG size of input: 307 DAG size of output: 305 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:42:40,600 WARN L227 SmtUtils]: Spent 26.99s on a formula simplification that was a NOOP. DAG size: 277 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:42:40,833 INFO L131 LiptonReduction]: Checked pairs total: 60039 [2021-11-23 02:42:40,833 INFO L133 LiptonReduction]: Total number of compositions: 219 [2021-11-23 02:42:40,846 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 68 transitions, 141 flow [2021-11-23 02:42:40,915 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-23 02:42:40,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:40,925 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-23 02:42:40,925 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:40,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:40,930 INFO L85 PathProgramCache]: Analyzing trace with hash 707, now seen corresponding path program 1 times [2021-11-23 02:42:40,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:40,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699422328] [2021-11-23 02:42:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:40,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:41,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:41,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699422328] [2021-11-23 02:42:41,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699422328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:41,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:41,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-23 02:42:41,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542929287] [2021-11-23 02:42:41,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:41,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:42:41,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:42:41,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:42:41,125 INFO L87 Difference]: Start difference. First operand has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 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) [2021-11-23 02:42:41,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:41,310 INFO L93 Difference]: Finished difference Result 680 states and 1302 transitions. [2021-11-23 02:42:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:42:41,313 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 [2021-11-23 02:42:41,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:41,330 INFO L225 Difference]: With dead ends: 680 [2021-11-23 02:42:41,330 INFO L226 Difference]: Without dead ends: 680 [2021-11-23 02:42:41,331 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:42:41,335 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:41,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-11-23 02:42:41,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2021-11-23 02:42:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 663 states have (on average 1.9638009049773755) internal successors, (1302), 679 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1302 transitions. [2021-11-23 02:42:41,463 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1302 transitions. Word has length 1 [2021-11-23 02:42:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:41,463 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1302 transitions. [2021-11-23 02:42:41,463 INFO L471 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) [2021-11-23 02:42:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1302 transitions. [2021-11-23 02:42:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:42:41,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:41,465 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:41,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:42:41,465 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:41,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2008804071, now seen corresponding path program 1 times [2021-11-23 02:42:41,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:41,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860219571] [2021-11-23 02:42:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:41,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:41,720 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:41,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860219571] [2021-11-23 02:42:41,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860219571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:41,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:41,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:42:41,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575321899] [2021-11-23 02:42:41,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:41,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:42:41,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:41,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:42:41,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:42:41,724 INFO L87 Difference]: Start difference. First operand 680 states and 1302 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) [2021-11-23 02:42:42,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:42,675 INFO L93 Difference]: Finished difference Result 1208 states and 2300 transitions. [2021-11-23 02:42:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:42:42,676 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 [2021-11-23 02:42:42,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:42,686 INFO L225 Difference]: With dead ends: 1208 [2021-11-23 02:42:42,686 INFO L226 Difference]: Without dead ends: 1208 [2021-11-23 02:42:42,686 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:42:42,688 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 95 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:42,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 32 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 02:42:42,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2021-11-23 02:42:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 786. [2021-11-23 02:42:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 772 states have (on average 1.961139896373057) internal successors, (1514), 785 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1514 transitions. [2021-11-23 02:42:42,732 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1514 transitions. Word has length 9 [2021-11-23 02:42:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:42,732 INFO L470 AbstractCegarLoop]: Abstraction has 786 states and 1514 transitions. [2021-11-23 02:42:42,732 INFO L471 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) [2021-11-23 02:42:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1514 transitions. [2021-11-23 02:42:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:42:42,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:42,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:42,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:42:42,734 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:42,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:42,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1847846904, now seen corresponding path program 1 times [2021-11-23 02:42:42,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:42,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335866538] [2021-11-23 02:42:42,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:42,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:42,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:42,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335866538] [2021-11-23 02:42:42,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335866538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:42,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:42,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:42:42,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461881949] [2021-11-23 02:42:42,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:42,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:42:42,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:42,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:42:42,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:42:42,941 INFO L87 Difference]: Start difference. First operand 786 states and 1514 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) [2021-11-23 02:42:43,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:43,370 INFO L93 Difference]: Finished difference Result 842 states and 1622 transitions. [2021-11-23 02:42:43,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:42:43,370 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 [2021-11-23 02:42:43,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:43,376 INFO L225 Difference]: With dead ends: 842 [2021-11-23 02:42:43,376 INFO L226 Difference]: Without dead ends: 842 [2021-11-23 02:42:43,377 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:42:43,386 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 36 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:43,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 30 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:42:43,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-11-23 02:42:43,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2021-11-23 02:42:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 828 states have (on average 1.958937198067633) internal successors, (1622), 841 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1622 transitions. [2021-11-23 02:42:43,423 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1622 transitions. Word has length 9 [2021-11-23 02:42:43,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:43,426 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1622 transitions. [2021-11-23 02:42:43,427 INFO L471 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) [2021-11-23 02:42:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1622 transitions. [2021-11-23 02:42:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:43,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:43,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:43,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:42:43,434 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:43,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:43,439 INFO L85 PathProgramCache]: Analyzing trace with hash -63678819, now seen corresponding path program 1 times [2021-11-23 02:42:43,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:43,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168352784] [2021-11-23 02:42:43,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:43,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:43,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:43,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168352784] [2021-11-23 02:42:43,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168352784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:43,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:43,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:43,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479678326] [2021-11-23 02:42:43,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:43,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:43,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:43,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:43,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:43,654 INFO L87 Difference]: Start difference. First operand 842 states and 1622 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:45,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:45,008 INFO L93 Difference]: Finished difference Result 864 states and 1632 transitions. [2021-11-23 02:42:45,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:42:45,009 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:45,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:45,015 INFO L225 Difference]: With dead ends: 864 [2021-11-23 02:42:45,015 INFO L226 Difference]: Without dead ends: 864 [2021-11-23 02:42:45,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2021-11-23 02:42:45,017 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 250 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:45,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 41 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 02:42:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2021-11-23 02:42:45,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 804. [2021-11-23 02:42:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 791 states have (on average 1.95448798988622) internal successors, (1546), 803 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1546 transitions. [2021-11-23 02:42:45,061 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1546 transitions. Word has length 12 [2021-11-23 02:42:45,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:45,061 INFO L470 AbstractCegarLoop]: Abstraction has 804 states and 1546 transitions. [2021-11-23 02:42:45,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1546 transitions. [2021-11-23 02:42:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:45,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:45,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:45,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:42:45,064 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:45,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash 248332340, now seen corresponding path program 1 times [2021-11-23 02:42:45,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:45,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911359968] [2021-11-23 02:42:45,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:45,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:45,233 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:45,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911359968] [2021-11-23 02:42:45,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911359968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:45,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:45,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:45,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192592171] [2021-11-23 02:42:45,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:45,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:45,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:45,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:45,235 INFO L87 Difference]: Start difference. First operand 804 states and 1546 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:47,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:47,183 INFO L93 Difference]: Finished difference Result 1207 states and 2262 transitions. [2021-11-23 02:42:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:42:47,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:47,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:47,192 INFO L225 Difference]: With dead ends: 1207 [2021-11-23 02:42:47,192 INFO L226 Difference]: Without dead ends: 1207 [2021-11-23 02:42:47,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2021-11-23 02:42:47,194 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 298 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:47,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 14 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:42:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2021-11-23 02:42:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 808. [2021-11-23 02:42:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 795 states have (on average 1.9547169811320755) internal successors, (1554), 807 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:47,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1554 transitions. [2021-11-23 02:42:47,226 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1554 transitions. Word has length 12 [2021-11-23 02:42:47,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:47,227 INFO L470 AbstractCegarLoop]: Abstraction has 808 states and 1554 transitions. [2021-11-23 02:42:47,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1554 transitions. [2021-11-23 02:42:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:47,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:47,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:47,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:42:47,233 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:47,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1366736958, now seen corresponding path program 2 times [2021-11-23 02:42:47,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:47,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259665554] [2021-11-23 02:42:47,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:47,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:47,483 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:47,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259665554] [2021-11-23 02:42:47,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259665554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:47,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:47,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:47,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479871777] [2021-11-23 02:42:47,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:47,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:47,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:47,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:47,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:47,485 INFO L87 Difference]: Start difference. First operand 808 states and 1554 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:49,772 INFO L93 Difference]: Finished difference Result 1658 states and 3126 transitions. [2021-11-23 02:42:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:42:49,772 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:49,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:49,783 INFO L225 Difference]: With dead ends: 1658 [2021-11-23 02:42:49,784 INFO L226 Difference]: Without dead ends: 1658 [2021-11-23 02:42:49,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2021-11-23 02:42:49,785 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 310 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:49,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 32 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 02:42:49,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2021-11-23 02:42:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 812. [2021-11-23 02:42:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 799 states have (on average 1.9549436795994994) internal successors, (1562), 811 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1562 transitions. [2021-11-23 02:42:49,817 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1562 transitions. Word has length 12 [2021-11-23 02:42:49,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:49,817 INFO L470 AbstractCegarLoop]: Abstraction has 812 states and 1562 transitions. [2021-11-23 02:42:49,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1562 transitions. [2021-11-23 02:42:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:49,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:49,818 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:49,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:42:49,819 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:49,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:49,819 INFO L85 PathProgramCache]: Analyzing trace with hash 599768126, now seen corresponding path program 3 times [2021-11-23 02:42:49,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:49,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073951653] [2021-11-23 02:42:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:49,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:49,998 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:49,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073951653] [2021-11-23 02:42:49,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073951653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:49,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:49,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:49,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321311870] [2021-11-23 02:42:49,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:49,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:50,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:50,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:50,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:50,001 INFO L87 Difference]: Start difference. First operand 812 states and 1562 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:51,541 INFO L93 Difference]: Finished difference Result 1695 states and 3201 transitions. [2021-11-23 02:42:51,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:42:51,542 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:51,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:51,551 INFO L225 Difference]: With dead ends: 1695 [2021-11-23 02:42:51,551 INFO L226 Difference]: Without dead ends: 1695 [2021-11-23 02:42:51,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2021-11-23 02:42:51,564 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 273 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:51,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 25 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:42:51,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2021-11-23 02:42:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 812. [2021-11-23 02:42:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 799 states have (on average 1.9549436795994994) internal successors, (1562), 811 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1562 transitions. [2021-11-23 02:42:51,595 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1562 transitions. Word has length 12 [2021-11-23 02:42:51,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:51,595 INFO L470 AbstractCegarLoop]: Abstraction has 812 states and 1562 transitions. [2021-11-23 02:42:51,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1562 transitions. [2021-11-23 02:42:51,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:51,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:51,597 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:51,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:42:51,597 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:51,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:51,598 INFO L85 PathProgramCache]: Analyzing trace with hash 2077494260, now seen corresponding path program 4 times [2021-11-23 02:42:51,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:51,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851326595] [2021-11-23 02:42:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:51,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:51,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:51,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851326595] [2021-11-23 02:42:51,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851326595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:51,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:51,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:51,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861852249] [2021-11-23 02:42:51,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:51,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:51,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:51,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:51,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:51,820 INFO L87 Difference]: Start difference. First operand 812 states and 1562 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:53,430 INFO L93 Difference]: Finished difference Result 1606 states and 3067 transitions. [2021-11-23 02:42:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:42:53,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:53,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:53,438 INFO L225 Difference]: With dead ends: 1606 [2021-11-23 02:42:53,438 INFO L226 Difference]: Without dead ends: 1606 [2021-11-23 02:42:53,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-23 02:42:53,439 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 236 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:53,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 34 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:42:53,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-11-23 02:42:53,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 812. [2021-11-23 02:42:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 799 states have (on average 1.9549436795994994) internal successors, (1562), 811 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1562 transitions. [2021-11-23 02:42:53,471 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1562 transitions. Word has length 12 [2021-11-23 02:42:53,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:53,471 INFO L470 AbstractCegarLoop]: Abstraction has 812 states and 1562 transitions. [2021-11-23 02:42:53,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1562 transitions. [2021-11-23 02:42:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:53,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:53,472 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:53,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:42:53,473 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:53,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:53,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1601094898, now seen corresponding path program 5 times [2021-11-23 02:42:53,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:53,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666409024] [2021-11-23 02:42:53,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:53,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:53,688 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:53,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666409024] [2021-11-23 02:42:53,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666409024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:53,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:53,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:53,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814321664] [2021-11-23 02:42:53,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:53,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:53,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:53,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:53,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:53,690 INFO L87 Difference]: Start difference. First operand 812 states and 1562 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:56,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:56,159 INFO L93 Difference]: Finished difference Result 1661 states and 3177 transitions. [2021-11-23 02:42:56,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 02:42:56,160 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:56,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:56,168 INFO L225 Difference]: With dead ends: 1661 [2021-11-23 02:42:56,168 INFO L226 Difference]: Without dead ends: 1661 [2021-11-23 02:42:56,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-23 02:42:56,169 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 199 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:56,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 39 Invalid, 1730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:42:56,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2021-11-23 02:42:56,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 812. [2021-11-23 02:42:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 799 states have (on average 1.9549436795994994) internal successors, (1562), 811 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1562 transitions. [2021-11-23 02:42:56,197 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1562 transitions. Word has length 12 [2021-11-23 02:42:56,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:56,198 INFO L470 AbstractCegarLoop]: Abstraction has 812 states and 1562 transitions. [2021-11-23 02:42:56,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1562 transitions. [2021-11-23 02:42:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:56,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:56,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:56,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:42:56,199 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash 93462968, now seen corresponding path program 6 times [2021-11-23 02:42:56,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:56,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023094015] [2021-11-23 02:42:56,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:56,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:56,388 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:56,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023094015] [2021-11-23 02:42:56,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023094015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:56,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:56,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:56,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890334765] [2021-11-23 02:42:56,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:56,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:56,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:56,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:56,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:56,390 INFO L87 Difference]: Start difference. First operand 812 states and 1562 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:58,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:58,159 INFO L93 Difference]: Finished difference Result 1606 states and 3067 transitions. [2021-11-23 02:42:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 02:42:58,159 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:58,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:58,168 INFO L225 Difference]: With dead ends: 1606 [2021-11-23 02:42:58,168 INFO L226 Difference]: Without dead ends: 1606 [2021-11-23 02:42:58,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2021-11-23 02:42:58,169 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 219 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:58,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 31 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:42:58,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-11-23 02:42:58,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 809. [2021-11-23 02:42:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 796 states have (on average 1.9547738693467336) internal successors, (1556), 808 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1556 transitions. [2021-11-23 02:42:58,198 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1556 transitions. Word has length 12 [2021-11-23 02:42:58,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:58,199 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 1556 transitions. [2021-11-23 02:42:58,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1556 transitions. [2021-11-23 02:42:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:42:58,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:58,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:58,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:42:58,200 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:58,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash 2059968052, now seen corresponding path program 7 times [2021-11-23 02:42:58,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:58,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367654012] [2021-11-23 02:42:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:58,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:58,366 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:58,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367654012] [2021-11-23 02:42:58,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367654012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:58,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:58,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:42:58,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076561300] [2021-11-23 02:42:58,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:58,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:42:58,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:58,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:42:58,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:42:58,367 INFO L87 Difference]: Start difference. First operand 809 states and 1556 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:59,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:59,799 INFO L93 Difference]: Finished difference Result 1580 states and 3019 transitions. [2021-11-23 02:42:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 02:42:59,800 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:42:59,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:59,808 INFO L225 Difference]: With dead ends: 1580 [2021-11-23 02:42:59,808 INFO L226 Difference]: Without dead ends: 1580 [2021-11-23 02:42:59,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2021-11-23 02:42:59,809 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 241 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:59,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 27 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:42:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-11-23 02:42:59,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 727. [2021-11-23 02:42:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 715 states have (on average 1.951048951048951) internal successors, (1395), 726 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1395 transitions. [2021-11-23 02:42:59,836 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1395 transitions. Word has length 12 [2021-11-23 02:42:59,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:59,837 INFO L470 AbstractCegarLoop]: Abstraction has 727 states and 1395 transitions. [2021-11-23 02:42:59,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:42:59,837 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1395 transitions. [2021-11-23 02:42:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:42:59,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:59,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:59,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 02:42:59,839 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:42:59,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:59,839 INFO L85 PathProgramCache]: Analyzing trace with hash -212080479, now seen corresponding path program 1 times [2021-11-23 02:42:59,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:59,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602842404] [2021-11-23 02:42:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:59,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:59,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:59,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602842404] [2021-11-23 02:42:59,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602842404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:59,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:59,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:42:59,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099801907] [2021-11-23 02:42:59,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:59,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:42:59,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:59,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:42:59,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:42:59,934 INFO L87 Difference]: Start difference. First operand 727 states and 1395 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) [2021-11-23 02:43:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:00,761 INFO L93 Difference]: Finished difference Result 964 states and 1825 transitions. [2021-11-23 02:43:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:43:00,762 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 [2021-11-23 02:43:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:00,766 INFO L225 Difference]: With dead ends: 964 [2021-11-23 02:43:00,766 INFO L226 Difference]: Without dead ends: 938 [2021-11-23 02:43:00,766 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:43:00,767 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 73 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:00,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 38 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 02:43:00,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2021-11-23 02:43:00,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 833. [2021-11-23 02:43:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 821 states have (on average 1.9500609013398296) internal successors, (1601), 832 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1601 transitions. [2021-11-23 02:43:00,792 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1601 transitions. Word has length 15 [2021-11-23 02:43:00,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:00,793 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1601 transitions. [2021-11-23 02:43:00,793 INFO L471 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) [2021-11-23 02:43:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1601 transitions. [2021-11-23 02:43:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:43:00,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:00,799 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:00,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 02:43:00,800 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:00,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:00,800 INFO L85 PathProgramCache]: Analyzing trace with hash 893385761, now seen corresponding path program 1 times [2021-11-23 02:43:00,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:00,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465337288] [2021-11-23 02:43:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:00,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:00,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:00,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465337288] [2021-11-23 02:43:00,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465337288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:00,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:00,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:43:00,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712800940] [2021-11-23 02:43:00,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:00,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:43:00,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:00,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:43:00,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:43:00,899 INFO L87 Difference]: Start difference. First operand 833 states and 1601 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) [2021-11-23 02:43:01,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:01,256 INFO L93 Difference]: Finished difference Result 902 states and 1734 transitions. [2021-11-23 02:43:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:43:01,257 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 [2021-11-23 02:43:01,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:01,261 INFO L225 Difference]: With dead ends: 902 [2021-11-23 02:43:01,261 INFO L226 Difference]: Without dead ends: 902 [2021-11-23 02:43:01,262 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:43:01,262 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 35 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:01,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 29 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:43:01,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2021-11-23 02:43:01,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 885. [2021-11-23 02:43:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 873 states have (on average 1.9484536082474226) internal successors, (1701), 884 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1701 transitions. [2021-11-23 02:43:01,287 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1701 transitions. Word has length 15 [2021-11-23 02:43:01,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:01,287 INFO L470 AbstractCegarLoop]: Abstraction has 885 states and 1701 transitions. [2021-11-23 02:43:01,287 INFO L471 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) [2021-11-23 02:43:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1701 transitions. [2021-11-23 02:43:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:01,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:01,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:01,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 02:43:01,289 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:01,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:01,290 INFO L85 PathProgramCache]: Analyzing trace with hash 851444551, now seen corresponding path program 1 times [2021-11-23 02:43:01,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:01,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670770444] [2021-11-23 02:43:01,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:01,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:01,855 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:01,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670770444] [2021-11-23 02:43:01,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670770444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:01,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:01,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:01,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831357395] [2021-11-23 02:43:01,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:01,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:01,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:01,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:01,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:01,857 INFO L87 Difference]: Start difference. First operand 885 states and 1701 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:03,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:03,650 INFO L93 Difference]: Finished difference Result 948 states and 1807 transitions. [2021-11-23 02:43:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:43:03,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:03,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:03,657 INFO L225 Difference]: With dead ends: 948 [2021-11-23 02:43:03,657 INFO L226 Difference]: Without dead ends: 948 [2021-11-23 02:43:03,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2021-11-23 02:43:03,658 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 146 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:03,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 62 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:43:03,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2021-11-23 02:43:03,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 911. [2021-11-23 02:43:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 899 states have (on average 1.949944382647386) internal successors, (1753), 910 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:03,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1753 transitions. [2021-11-23 02:43:03,685 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1753 transitions. Word has length 18 [2021-11-23 02:43:03,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:03,685 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1753 transitions. [2021-11-23 02:43:03,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1753 transitions. [2021-11-23 02:43:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:03,686 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:03,687 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:03,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 02:43:03,687 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:03,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:03,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1713594917, now seen corresponding path program 2 times [2021-11-23 02:43:03,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:03,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181853420] [2021-11-23 02:43:03,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:03,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:04,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:04,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181853420] [2021-11-23 02:43:04,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181853420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:04,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:04,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:04,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48094545] [2021-11-23 02:43:04,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:04,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:04,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:04,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:04,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:04,084 INFO L87 Difference]: Start difference. First operand 911 states and 1753 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:05,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:05,853 INFO L93 Difference]: Finished difference Result 971 states and 1851 transitions. [2021-11-23 02:43:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 02:43:05,853 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:05,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:05,858 INFO L225 Difference]: With dead ends: 971 [2021-11-23 02:43:05,858 INFO L226 Difference]: Without dead ends: 971 [2021-11-23 02:43:05,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=433, Unknown=0, NotChecked=0, Total=600 [2021-11-23 02:43:05,859 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 148 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:05,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 62 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:43:05,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2021-11-23 02:43:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 920. [2021-11-23 02:43:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 908 states have (on average 1.9504405286343611) internal successors, (1771), 919 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1771 transitions. [2021-11-23 02:43:05,884 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1771 transitions. Word has length 18 [2021-11-23 02:43:05,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:05,884 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1771 transitions. [2021-11-23 02:43:05,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1771 transitions. [2021-11-23 02:43:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:05,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:05,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:05,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 02:43:05,886 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:05,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:05,887 INFO L85 PathProgramCache]: Analyzing trace with hash -658118329, now seen corresponding path program 3 times [2021-11-23 02:43:05,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:05,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926145540] [2021-11-23 02:43:05,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:05,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:06,202 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:06,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926145540] [2021-11-23 02:43:06,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926145540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:06,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:06,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:06,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575652805] [2021-11-23 02:43:06,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:06,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:06,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:06,206 INFO L87 Difference]: Start difference. First operand 920 states and 1771 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:08,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:08,234 INFO L93 Difference]: Finished difference Result 999 states and 1905 transitions. [2021-11-23 02:43:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 02:43:08,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:08,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:08,239 INFO L225 Difference]: With dead ends: 999 [2021-11-23 02:43:08,239 INFO L226 Difference]: Without dead ends: 999 [2021-11-23 02:43:08,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=314, Invalid=742, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 02:43:08,240 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 176 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:08,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 62 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:43:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-11-23 02:43:08,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 929. [2021-11-23 02:43:08,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 917 states have (on average 1.95092693565976) internal successors, (1789), 928 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1789 transitions. [2021-11-23 02:43:08,265 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1789 transitions. Word has length 18 [2021-11-23 02:43:08,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:08,265 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1789 transitions. [2021-11-23 02:43:08,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:08,266 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1789 transitions. [2021-11-23 02:43:08,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:08,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:08,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:08,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 02:43:08,267 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:08,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:08,268 INFO L85 PathProgramCache]: Analyzing trace with hash 499567291, now seen corresponding path program 4 times [2021-11-23 02:43:08,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:08,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107204988] [2021-11-23 02:43:08,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:08,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:08,534 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:08,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107204988] [2021-11-23 02:43:08,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107204988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:08,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:08,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:08,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333328738] [2021-11-23 02:43:08,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:08,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:08,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:08,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:08,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:08,536 INFO L87 Difference]: Start difference. First operand 929 states and 1789 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:10,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:10,415 INFO L93 Difference]: Finished difference Result 1012 states and 1929 transitions. [2021-11-23 02:43:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 02:43:10,415 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:10,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:10,421 INFO L225 Difference]: With dead ends: 1012 [2021-11-23 02:43:10,422 INFO L226 Difference]: Without dead ends: 1012 [2021-11-23 02:43:10,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=364, Invalid=826, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 02:43:10,423 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 190 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:10,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 59 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:43:10,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2021-11-23 02:43:10,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 938. [2021-11-23 02:43:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 926 states have (on average 1.951403887688985) internal successors, (1807), 937 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1807 transitions. [2021-11-23 02:43:10,446 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1807 transitions. Word has length 18 [2021-11-23 02:43:10,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:10,446 INFO L470 AbstractCegarLoop]: Abstraction has 938 states and 1807 transitions. [2021-11-23 02:43:10,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1807 transitions. [2021-11-23 02:43:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:10,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:10,448 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:10,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 02:43:10,448 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1610437348, now seen corresponding path program 1 times [2021-11-23 02:43:10,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:10,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246586936] [2021-11-23 02:43:10,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:10,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:10,586 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:10,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246586936] [2021-11-23 02:43:10,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246586936] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:10,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:10,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:43:10,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199889290] [2021-11-23 02:43:10,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:10,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:43:10,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:10,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:43:10,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:43:10,588 INFO L87 Difference]: Start difference. First operand 938 states and 1807 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:11,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:11,674 INFO L93 Difference]: Finished difference Result 975 states and 1847 transitions. [2021-11-23 02:43:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:43:11,675 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:11,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:11,679 INFO L225 Difference]: With dead ends: 975 [2021-11-23 02:43:11,679 INFO L226 Difference]: Without dead ends: 975 [2021-11-23 02:43:11,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2021-11-23 02:43:11,684 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 253 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:11,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 34 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 02:43:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2021-11-23 02:43:11,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 908. [2021-11-23 02:43:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 896 states have (on average 1.9497767857142858) internal successors, (1747), 907 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:11,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1747 transitions. [2021-11-23 02:43:11,708 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1747 transitions. Word has length 18 [2021-11-23 02:43:11,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:11,708 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 1747 transitions. [2021-11-23 02:43:11,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1747 transitions. [2021-11-23 02:43:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:11,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:11,710 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:11,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 02:43:11,710 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:11,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:11,711 INFO L85 PathProgramCache]: Analyzing trace with hash 78035829, now seen corresponding path program 5 times [2021-11-23 02:43:11,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:11,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384022291] [2021-11-23 02:43:11,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:11,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:11,993 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:11,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384022291] [2021-11-23 02:43:11,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384022291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:11,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:11,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:11,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843826048] [2021-11-23 02:43:11,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:11,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:11,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:11,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:11,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:11,995 INFO L87 Difference]: Start difference. First operand 908 states and 1747 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:13,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:13,651 INFO L93 Difference]: Finished difference Result 1170 states and 2245 transitions. [2021-11-23 02:43:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:43:13,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:13,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:13,655 INFO L225 Difference]: With dead ends: 1170 [2021-11-23 02:43:13,656 INFO L226 Difference]: Without dead ends: 1170 [2021-11-23 02:43:13,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2021-11-23 02:43:13,657 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 174 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:13,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 95 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:43:13,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2021-11-23 02:43:13,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 928. [2021-11-23 02:43:13,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 916 states have (on average 1.9508733624454149) internal successors, (1787), 927 states have internal predecessors, (1787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1787 transitions. [2021-11-23 02:43:13,682 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1787 transitions. Word has length 18 [2021-11-23 02:43:13,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:13,682 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1787 transitions. [2021-11-23 02:43:13,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1787 transitions. [2021-11-23 02:43:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:13,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:13,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:13,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 02:43:13,684 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:13,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:13,685 INFO L85 PathProgramCache]: Analyzing trace with hash 940186195, now seen corresponding path program 6 times [2021-11-23 02:43:13,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:13,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505906934] [2021-11-23 02:43:13,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:13,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:14,015 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:14,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505906934] [2021-11-23 02:43:14,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505906934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:14,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:14,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:14,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198627811] [2021-11-23 02:43:14,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:14,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:14,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:14,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:14,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:14,017 INFO L87 Difference]: Start difference. First operand 928 states and 1787 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:15,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:15,786 INFO L93 Difference]: Finished difference Result 1193 states and 2289 transitions. [2021-11-23 02:43:15,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 02:43:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:15,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:15,790 INFO L225 Difference]: With dead ends: 1193 [2021-11-23 02:43:15,791 INFO L226 Difference]: Without dead ends: 1193 [2021-11-23 02:43:15,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2021-11-23 02:43:15,792 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 182 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:15,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 95 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:43:15,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2021-11-23 02:43:15,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 923. [2021-11-23 02:43:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 911 states have (on average 1.9506037321624587) internal successors, (1777), 922 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1777 transitions. [2021-11-23 02:43:15,817 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1777 transitions. Word has length 18 [2021-11-23 02:43:15,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:15,817 INFO L470 AbstractCegarLoop]: Abstraction has 923 states and 1777 transitions. [2021-11-23 02:43:15,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1777 transitions. [2021-11-23 02:43:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:15,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:15,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:15,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-23 02:43:15,819 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:15,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:15,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1431527051, now seen corresponding path program 7 times [2021-11-23 02:43:15,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:15,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547444297] [2021-11-23 02:43:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:15,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:16,103 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:16,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547444297] [2021-11-23 02:43:16,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547444297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:16,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:16,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:16,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089439091] [2021-11-23 02:43:16,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:16,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:16,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:16,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:16,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:16,104 INFO L87 Difference]: Start difference. First operand 923 states and 1777 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:17,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:17,543 INFO L93 Difference]: Finished difference Result 1221 states and 2343 transitions. [2021-11-23 02:43:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:43:17,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:17,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:17,546 INFO L225 Difference]: With dead ends: 1221 [2021-11-23 02:43:17,547 INFO L226 Difference]: Without dead ends: 1221 [2021-11-23 02:43:17,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2021-11-23 02:43:17,548 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 186 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:17,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 95 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 02:43:17,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2021-11-23 02:43:17,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 918. [2021-11-23 02:43:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 906 states have (on average 1.9503311258278146) internal successors, (1767), 917 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1767 transitions. [2021-11-23 02:43:17,572 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1767 transitions. Word has length 18 [2021-11-23 02:43:17,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:17,572 INFO L470 AbstractCegarLoop]: Abstraction has 918 states and 1767 transitions. [2021-11-23 02:43:17,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:17,573 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1767 transitions. [2021-11-23 02:43:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:17,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:17,574 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:17,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-23 02:43:17,574 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:17,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:17,575 INFO L85 PathProgramCache]: Analyzing trace with hash -273841431, now seen corresponding path program 8 times [2021-11-23 02:43:17,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:17,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363266707] [2021-11-23 02:43:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:17,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:17,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:17,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363266707] [2021-11-23 02:43:17,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363266707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:17,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:17,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:17,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729717455] [2021-11-23 02:43:17,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:17,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:17,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:17,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:17,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:17,788 INFO L87 Difference]: Start difference. First operand 918 states and 1767 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:20,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:20,122 INFO L93 Difference]: Finished difference Result 1215 states and 2328 transitions. [2021-11-23 02:43:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-23 02:43:20,123 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:20,126 INFO L225 Difference]: With dead ends: 1215 [2021-11-23 02:43:20,126 INFO L226 Difference]: Without dead ends: 1215 [2021-11-23 02:43:20,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=360, Invalid=900, Unknown=0, NotChecked=0, Total=1260 [2021-11-23 02:43:20,128 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 211 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:20,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 92 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:43:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2021-11-23 02:43:20,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 913. [2021-11-23 02:43:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 901 states have (on average 1.9500554938956716) internal successors, (1757), 912 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1757 transitions. [2021-11-23 02:43:20,153 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1757 transitions. Word has length 18 [2021-11-23 02:43:20,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:20,154 INFO L470 AbstractCegarLoop]: Abstraction has 913 states and 1757 transitions. [2021-11-23 02:43:20,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1757 transitions. [2021-11-23 02:43:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:20,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:20,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:20,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-23 02:43:20,157 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:20,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:20,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1939782722, now seen corresponding path program 1 times [2021-11-23 02:43:20,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:20,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579569859] [2021-11-23 02:43:20,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:20,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:20,361 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:20,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579569859] [2021-11-23 02:43:20,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579569859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:20,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:20,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:20,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769042972] [2021-11-23 02:43:20,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:20,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:20,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:20,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:20,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:20,363 INFO L87 Difference]: Start difference. First operand 913 states and 1757 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:22,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:22,560 INFO L93 Difference]: Finished difference Result 1788 states and 3369 transitions. [2021-11-23 02:43:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 02:43:22,560 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:22,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:22,563 INFO L225 Difference]: With dead ends: 1788 [2021-11-23 02:43:22,563 INFO L226 Difference]: Without dead ends: 1788 [2021-11-23 02:43:22,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=606, Unknown=0, NotChecked=0, Total=812 [2021-11-23 02:43:22,564 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 376 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:22,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 126 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:43:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2021-11-23 02:43:22,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1017. [2021-11-23 02:43:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 1005 states have (on average 1.9592039800995025) internal successors, (1969), 1016 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1969 transitions. [2021-11-23 02:43:22,592 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1969 transitions. Word has length 18 [2021-11-23 02:43:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:22,592 INFO L470 AbstractCegarLoop]: Abstraction has 1017 states and 1969 transitions. [2021-11-23 02:43:22,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1969 transitions. [2021-11-23 02:43:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:22,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:22,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:22,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-23 02:43:22,594 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:22,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:22,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1715510527, now seen corresponding path program 9 times [2021-11-23 02:43:22,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:22,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675299788] [2021-11-23 02:43:22,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:22,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:22,789 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:22,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675299788] [2021-11-23 02:43:22,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675299788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:22,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:22,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:22,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866362596] [2021-11-23 02:43:22,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:22,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:22,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:22,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:22,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:22,792 INFO L87 Difference]: Start difference. First operand 1017 states and 1969 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:24,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:24,568 INFO L93 Difference]: Finished difference Result 1540 states and 2930 transitions. [2021-11-23 02:43:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 02:43:24,569 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:24,571 INFO L225 Difference]: With dead ends: 1540 [2021-11-23 02:43:24,571 INFO L226 Difference]: Without dead ends: 1540 [2021-11-23 02:43:24,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=391, Invalid=1015, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 02:43:24,573 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 298 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:24,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 123 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:43:24,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2021-11-23 02:43:24,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 981. [2021-11-23 02:43:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 969 states have (on average 1.9535603715170278) internal successors, (1893), 980 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1893 transitions. [2021-11-23 02:43:24,596 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1893 transitions. Word has length 18 [2021-11-23 02:43:24,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:24,596 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1893 transitions. [2021-11-23 02:43:24,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1893 transitions. [2021-11-23 02:43:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:24,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:24,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:24,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-23 02:43:24,598 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:24,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:24,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1490835587, now seen corresponding path program 10 times [2021-11-23 02:43:24,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:24,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435257360] [2021-11-23 02:43:24,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:24,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:24,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:24,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435257360] [2021-11-23 02:43:24,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435257360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:24,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:24,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:24,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680976360] [2021-11-23 02:43:24,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:24,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:24,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:24,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:24,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:24,904 INFO L87 Difference]: Start difference. First operand 981 states and 1893 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:26,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:26,308 INFO L93 Difference]: Finished difference Result 1646 states and 3186 transitions. [2021-11-23 02:43:26,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:43:26,309 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:26,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:26,312 INFO L225 Difference]: With dead ends: 1646 [2021-11-23 02:43:26,312 INFO L226 Difference]: Without dead ends: 1646 [2021-11-23 02:43:26,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2021-11-23 02:43:26,313 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 181 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:26,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 120 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:43:26,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2021-11-23 02:43:26,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1017. [2021-11-23 02:43:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 1005 states have (on average 1.955223880597015) internal successors, (1965), 1016 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1965 transitions. [2021-11-23 02:43:26,337 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1965 transitions. Word has length 18 [2021-11-23 02:43:26,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:26,338 INFO L470 AbstractCegarLoop]: Abstraction has 1017 states and 1965 transitions. [2021-11-23 02:43:26,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:26,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1965 transitions. [2021-11-23 02:43:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:26,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:26,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:26,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-23 02:43:26,340 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:26,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:26,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1941981343, now seen corresponding path program 11 times [2021-11-23 02:43:26,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:26,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191468539] [2021-11-23 02:43:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:26,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:26,617 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:26,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191468539] [2021-11-23 02:43:26,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191468539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:26,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:26,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 02:43:26,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299905388] [2021-11-23 02:43:26,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:26,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 02:43:26,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:26,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 02:43:26,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:43:26,619 INFO L87 Difference]: Start difference. First operand 1017 states and 1965 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:28,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:28,404 INFO L93 Difference]: Finished difference Result 1669 states and 3230 transitions. [2021-11-23 02:43:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 02:43:28,405 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:28,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:28,409 INFO L225 Difference]: With dead ends: 1669 [2021-11-23 02:43:28,409 INFO L226 Difference]: Without dead ends: 1669 [2021-11-23 02:43:28,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2021-11-23 02:43:28,410 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 185 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:28,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 120 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:43:28,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2021-11-23 02:43:28,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1026. [2021-11-23 02:43:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1014 states have (on average 1.955621301775148) internal successors, (1983), 1025 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1983 transitions. [2021-11-23 02:43:28,434 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1983 transitions. Word has length 18 [2021-11-23 02:43:28,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:28,435 INFO L470 AbstractCegarLoop]: Abstraction has 1026 states and 1983 transitions. [2021-11-23 02:43:28,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:28,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1983 transitions. [2021-11-23 02:43:28,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:28,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:28,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:28,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-23 02:43:28,437 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:28,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:28,437 INFO L85 PathProgramCache]: Analyzing trace with hash -18727293, now seen corresponding path program 12 times [2021-11-23 02:43:28,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:28,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729428772] [2021-11-23 02:43:28,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:28,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:28,690 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:28,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729428772] [2021-11-23 02:43:28,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729428772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:28,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:28,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:28,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538804847] [2021-11-23 02:43:28,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:28,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:28,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:28,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:28,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:28,692 INFO L87 Difference]: Start difference. First operand 1026 states and 1983 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:30,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:30,359 INFO L93 Difference]: Finished difference Result 1697 states and 3284 transitions. [2021-11-23 02:43:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:43:30,359 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:30,364 INFO L225 Difference]: With dead ends: 1697 [2021-11-23 02:43:30,364 INFO L226 Difference]: Without dead ends: 1697 [2021-11-23 02:43:30,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2021-11-23 02:43:30,366 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 193 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:30,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 120 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:43:30,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2021-11-23 02:43:30,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1035. [2021-11-23 02:43:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1023 states have (on average 1.9560117302052786) internal successors, (2001), 1034 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 2001 transitions. [2021-11-23 02:43:30,395 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 2001 transitions. Word has length 18 [2021-11-23 02:43:30,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:30,396 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 2001 transitions. [2021-11-23 02:43:30,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2001 transitions. [2021-11-23 02:43:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:30,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:30,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:30,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-23 02:43:30,398 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:30,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:30,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1138958327, now seen corresponding path program 13 times [2021-11-23 02:43:30,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:30,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111452330] [2021-11-23 02:43:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:30,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:30,624 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:30,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111452330] [2021-11-23 02:43:30,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111452330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:30,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:30,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:30,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770578683] [2021-11-23 02:43:30,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:30,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:30,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:30,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:30,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:30,626 INFO L87 Difference]: Start difference. First operand 1035 states and 2001 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:33,588 INFO L93 Difference]: Finished difference Result 1801 states and 3486 transitions. [2021-11-23 02:43:33,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-23 02:43:33,590 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:33,595 INFO L225 Difference]: With dead ends: 1801 [2021-11-23 02:43:33,595 INFO L226 Difference]: Without dead ends: 1801 [2021-11-23 02:43:33,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=393, Invalid=1167, Unknown=0, NotChecked=0, Total=1560 [2021-11-23 02:43:33,597 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 220 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:33,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 108 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1836 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:43:33,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2021-11-23 02:43:33,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1044. [2021-11-23 02:43:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1032 states have (on average 1.9563953488372092) internal successors, (2019), 1043 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 2019 transitions. [2021-11-23 02:43:33,635 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 2019 transitions. Word has length 18 [2021-11-23 02:43:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:33,635 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 2019 transitions. [2021-11-23 02:43:33,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 2019 transitions. [2021-11-23 02:43:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:33,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:33,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:33,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-23 02:43:33,637 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:33,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:33,638 INFO L85 PathProgramCache]: Analyzing trace with hash -526982964, now seen corresponding path program 2 times [2021-11-23 02:43:33,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:33,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648023580] [2021-11-23 02:43:33,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:33,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:33,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:33,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648023580] [2021-11-23 02:43:33,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648023580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:33,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:33,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:33,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780875140] [2021-11-23 02:43:33,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:33,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:33,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:33,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:33,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:33,817 INFO L87 Difference]: Start difference. First operand 1044 states and 2019 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:36,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:36,107 INFO L93 Difference]: Finished difference Result 1901 states and 3613 transitions. [2021-11-23 02:43:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:43:36,108 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:36,111 INFO L225 Difference]: With dead ends: 1901 [2021-11-23 02:43:36,111 INFO L226 Difference]: Without dead ends: 1901 [2021-11-23 02:43:36,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2021-11-23 02:43:36,112 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 216 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 2099 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:36,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 193 Invalid, 2170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2099 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:43:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2021-11-23 02:43:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1032. [2021-11-23 02:43:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1020 states have (on average 1.9598039215686274) internal successors, (1999), 1031 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1999 transitions. [2021-11-23 02:43:36,138 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1999 transitions. Word has length 18 [2021-11-23 02:43:36,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:36,138 INFO L470 AbstractCegarLoop]: Abstraction has 1032 states and 1999 transitions. [2021-11-23 02:43:36,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1999 transitions. [2021-11-23 02:43:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:36,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:36,140 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:36,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-23 02:43:36,140 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:36,141 INFO L85 PathProgramCache]: Analyzing trace with hash -302710769, now seen corresponding path program 14 times [2021-11-23 02:43:36,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:36,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542816858] [2021-11-23 02:43:36,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:36,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:36,304 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:36,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542816858] [2021-11-23 02:43:36,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542816858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:36,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:36,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:36,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534518373] [2021-11-23 02:43:36,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:36,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:36,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:36,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:36,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:36,306 INFO L87 Difference]: Start difference. First operand 1032 states and 1999 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:38,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:38,559 INFO L93 Difference]: Finished difference Result 1781 states and 3422 transitions. [2021-11-23 02:43:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-23 02:43:38,559 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:38,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:38,572 INFO L225 Difference]: With dead ends: 1781 [2021-11-23 02:43:38,572 INFO L226 Difference]: Without dead ends: 1781 [2021-11-23 02:43:38,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-11-23 02:43:38,574 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 180 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:38,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 182 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:43:38,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2021-11-23 02:43:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 986. [2021-11-23 02:43:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 974 states have (on average 1.9537987679671458) internal successors, (1903), 985 states have internal predecessors, (1903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1903 transitions. [2021-11-23 02:43:38,599 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1903 transitions. Word has length 18 [2021-11-23 02:43:38,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:38,599 INFO L470 AbstractCegarLoop]: Abstraction has 986 states and 1903 transitions. [2021-11-23 02:43:38,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1903 transitions. [2021-11-23 02:43:38,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:38,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:38,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:38,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-23 02:43:38,601 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:38,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash -818174930, now seen corresponding path program 3 times [2021-11-23 02:43:38,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:38,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496554473] [2021-11-23 02:43:38,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:38,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:38,777 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:38,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496554473] [2021-11-23 02:43:38,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496554473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:38,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:38,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:38,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652288936] [2021-11-23 02:43:38,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:38,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:38,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:38,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:38,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:38,779 INFO L87 Difference]: Start difference. First operand 986 states and 1903 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:40,720 INFO L93 Difference]: Finished difference Result 2525 states and 4765 transitions. [2021-11-23 02:43:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-23 02:43:40,721 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:40,724 INFO L225 Difference]: With dead ends: 2525 [2021-11-23 02:43:40,724 INFO L226 Difference]: Without dead ends: 2517 [2021-11-23 02:43:40,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=510, Unknown=0, NotChecked=0, Total=650 [2021-11-23 02:43:40,725 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 296 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:40,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 237 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:43:40,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2021-11-23 02:43:40,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 1099. [2021-11-23 02:43:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1087 states have (on average 1.967801287948482) internal successors, (2139), 1098 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2139 transitions. [2021-11-23 02:43:40,755 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2139 transitions. Word has length 18 [2021-11-23 02:43:40,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:40,756 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2139 transitions. [2021-11-23 02:43:40,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2139 transitions. [2021-11-23 02:43:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:40,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:40,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:40,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-23 02:43:40,758 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:40,758 INFO L85 PathProgramCache]: Analyzing trace with hash -593902735, now seen corresponding path program 15 times [2021-11-23 02:43:40,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:40,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776874045] [2021-11-23 02:43:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:40,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:40,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:40,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776874045] [2021-11-23 02:43:40,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776874045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:40,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:40,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:40,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293092542] [2021-11-23 02:43:40,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:40,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:40,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:40,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:40,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:40,929 INFO L87 Difference]: Start difference. First operand 1099 states and 2139 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:43,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:43,089 INFO L93 Difference]: Finished difference Result 2284 states and 4375 transitions. [2021-11-23 02:43:43,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 02:43:43,089 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:43,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:43,094 INFO L225 Difference]: With dead ends: 2284 [2021-11-23 02:43:43,094 INFO L226 Difference]: Without dead ends: 2284 [2021-11-23 02:43:43,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-11-23 02:43:43,095 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 201 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 2044 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:43,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 210 Invalid, 2087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2044 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:43:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2021-11-23 02:43:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 1086. [2021-11-23 02:43:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1074 states have (on average 1.9636871508379887) internal successors, (2109), 1085 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 2109 transitions. [2021-11-23 02:43:43,117 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 2109 transitions. Word has length 18 [2021-11-23 02:43:43,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:43,117 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 2109 transitions. [2021-11-23 02:43:43,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 2109 transitions. [2021-11-23 02:43:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:43,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:43,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:43,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-23 02:43:43,119 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:43,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:43,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1246525756, now seen corresponding path program 4 times [2021-11-23 02:43:43,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:43,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880519922] [2021-11-23 02:43:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:43,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:43,300 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:43,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880519922] [2021-11-23 02:43:43,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880519922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:43,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:43,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:43,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150765353] [2021-11-23 02:43:43,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:43,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:43,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:43,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:43,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:43,301 INFO L87 Difference]: Start difference. First operand 1086 states and 2109 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:45,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:45,564 INFO L93 Difference]: Finished difference Result 2176 states and 4121 transitions. [2021-11-23 02:43:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 02:43:45,565 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:45,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:45,568 INFO L225 Difference]: With dead ends: 2176 [2021-11-23 02:43:45,568 INFO L226 Difference]: Without dead ends: 2168 [2021-11-23 02:43:45,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2021-11-23 02:43:45,569 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 229 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 2205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:45,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 211 Invalid, 2205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:43:45,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2021-11-23 02:43:45,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 1257. [2021-11-23 02:43:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1245 states have (on average 1.9879518072289157) internal successors, (2475), 1256 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 2475 transitions. [2021-11-23 02:43:45,615 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 2475 transitions. Word has length 18 [2021-11-23 02:43:45,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:45,615 INFO L470 AbstractCegarLoop]: Abstraction has 1257 states and 2475 transitions. [2021-11-23 02:43:45,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2475 transitions. [2021-11-23 02:43:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:45,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:45,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:45,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-23 02:43:45,618 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:45,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1389737781, now seen corresponding path program 16 times [2021-11-23 02:43:45,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:45,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262668766] [2021-11-23 02:43:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:45,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:45,930 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:45,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262668766] [2021-11-23 02:43:45,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262668766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:45,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:45,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:45,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152705346] [2021-11-23 02:43:45,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:45,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:45,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:45,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:45,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:45,932 INFO L87 Difference]: Start difference. First operand 1257 states and 2475 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:47,351 INFO L93 Difference]: Finished difference Result 1799 states and 3522 transitions. [2021-11-23 02:43:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 02:43:47,352 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:47,355 INFO L225 Difference]: With dead ends: 1799 [2021-11-23 02:43:47,355 INFO L226 Difference]: Without dead ends: 1799 [2021-11-23 02:43:47,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2021-11-23 02:43:47,356 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 153 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:47,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 154 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:43:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2021-11-23 02:43:47,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1263. [2021-11-23 02:43:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1251 states have (on average 1.9880095923261392) internal successors, (2487), 1262 states have internal predecessors, (2487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 2487 transitions. [2021-11-23 02:43:47,375 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 2487 transitions. Word has length 18 [2021-11-23 02:43:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:47,375 INFO L470 AbstractCegarLoop]: Abstraction has 1263 states and 2487 transitions. [2021-11-23 02:43:47,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2487 transitions. [2021-11-23 02:43:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:47,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:47,377 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:47,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-23 02:43:47,378 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:47,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:47,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2043079149, now seen corresponding path program 17 times [2021-11-23 02:43:47,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:47,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134817172] [2021-11-23 02:43:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:47,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:47,634 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:47,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134817172] [2021-11-23 02:43:47,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134817172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:47,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:47,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 02:43:47,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772398178] [2021-11-23 02:43:47,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:47,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 02:43:47,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:47,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 02:43:47,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:43:47,636 INFO L87 Difference]: Start difference. First operand 1263 states and 2487 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:49,359 INFO L93 Difference]: Finished difference Result 1822 states and 3566 transitions. [2021-11-23 02:43:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 02:43:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:49,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:49,362 INFO L225 Difference]: With dead ends: 1822 [2021-11-23 02:43:49,362 INFO L226 Difference]: Without dead ends: 1822 [2021-11-23 02:43:49,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2021-11-23 02:43:49,363 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 155 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:49,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 152 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:43:49,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2021-11-23 02:43:49,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1272. [2021-11-23 02:43:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1260 states have (on average 1.9880952380952381) internal successors, (2505), 1271 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 2505 transitions. [2021-11-23 02:43:49,382 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 2505 transitions. Word has length 18 [2021-11-23 02:43:49,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:49,382 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 2505 transitions. [2021-11-23 02:43:49,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2505 transitions. [2021-11-23 02:43:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:49,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:49,384 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:49,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-23 02:43:49,384 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:49,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:49,384 INFO L85 PathProgramCache]: Analyzing trace with hash -119825099, now seen corresponding path program 18 times [2021-11-23 02:43:49,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:49,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779810736] [2021-11-23 02:43:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:49,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:49,635 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:49,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779810736] [2021-11-23 02:43:49,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779810736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:49,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:49,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:49,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281229317] [2021-11-23 02:43:49,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:49,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:49,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:49,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:49,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:49,636 INFO L87 Difference]: Start difference. First operand 1272 states and 2505 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:51,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:51,201 INFO L93 Difference]: Finished difference Result 1850 states and 3620 transitions. [2021-11-23 02:43:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:43:51,201 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:51,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:51,204 INFO L225 Difference]: With dead ends: 1850 [2021-11-23 02:43:51,204 INFO L226 Difference]: Without dead ends: 1850 [2021-11-23 02:43:51,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2021-11-23 02:43:51,205 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 160 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:51,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 150 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:43:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2021-11-23 02:43:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1281. [2021-11-23 02:43:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1269 states have (on average 1.988179669030733) internal successors, (2523), 1280 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 2523 transitions. [2021-11-23 02:43:51,224 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 2523 transitions. Word has length 18 [2021-11-23 02:43:51,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:51,224 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 2523 transitions. [2021-11-23 02:43:51,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2523 transitions. [2021-11-23 02:43:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:51,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:51,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:51,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-23 02:43:51,226 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:51,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:51,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1037860521, now seen corresponding path program 19 times [2021-11-23 02:43:51,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:51,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318496815] [2021-11-23 02:43:51,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:51,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:51,434 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:51,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318496815] [2021-11-23 02:43:51,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318496815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:51,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:51,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:51,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649382119] [2021-11-23 02:43:51,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:51,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:51,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:51,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:51,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:51,436 INFO L87 Difference]: Start difference. First operand 1281 states and 2523 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:53,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:53,484 INFO L93 Difference]: Finished difference Result 1954 states and 3822 transitions. [2021-11-23 02:43:53,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-23 02:43:53,484 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:53,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:53,487 INFO L225 Difference]: With dead ends: 1954 [2021-11-23 02:43:53,487 INFO L226 Difference]: Without dead ends: 1954 [2021-11-23 02:43:53,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=259, Invalid=931, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 02:43:53,488 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 190 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:53,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 127 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 02:43:53,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2021-11-23 02:43:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1290. [2021-11-23 02:43:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1278 states have (on average 1.988262910798122) internal successors, (2541), 1289 states have internal predecessors, (2541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 2541 transitions. [2021-11-23 02:43:53,507 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 2541 transitions. Word has length 18 [2021-11-23 02:43:53,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:53,508 INFO L470 AbstractCegarLoop]: Abstraction has 1290 states and 2541 transitions. [2021-11-23 02:43:53,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 2541 transitions. [2021-11-23 02:43:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:53,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:53,509 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:53,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-23 02:43:53,509 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:53,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:53,510 INFO L85 PathProgramCache]: Analyzing trace with hash -628080770, now seen corresponding path program 5 times [2021-11-23 02:43:53,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:53,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108735360] [2021-11-23 02:43:53,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:53,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:53,681 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:53,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108735360] [2021-11-23 02:43:53,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108735360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:53,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:53,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:53,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996246898] [2021-11-23 02:43:53,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:53,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:53,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:53,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:53,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:53,683 INFO L87 Difference]: Start difference. First operand 1290 states and 2541 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:55,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:55,434 INFO L93 Difference]: Finished difference Result 2170 states and 4152 transitions. [2021-11-23 02:43:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 02:43:55,434 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:55,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:55,437 INFO L225 Difference]: With dead ends: 2170 [2021-11-23 02:43:55,437 INFO L226 Difference]: Without dead ends: 2170 [2021-11-23 02:43:55,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-11-23 02:43:55,438 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 280 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:55,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 291 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:43:55,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2021-11-23 02:43:55,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 1253. [2021-11-23 02:43:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1241 states have (on average 1.991136180499597) internal successors, (2471), 1252 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 2471 transitions. [2021-11-23 02:43:55,461 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 2471 transitions. Word has length 18 [2021-11-23 02:43:55,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:55,462 INFO L470 AbstractCegarLoop]: Abstraction has 1253 states and 2471 transitions. [2021-11-23 02:43:55,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 2471 transitions. [2021-11-23 02:43:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:55,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:55,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:55,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-23 02:43:55,464 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:55,465 INFO L85 PathProgramCache]: Analyzing trace with hash -403808575, now seen corresponding path program 20 times [2021-11-23 02:43:55,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:55,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424946637] [2021-11-23 02:43:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:55,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:55,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:55,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424946637] [2021-11-23 02:43:55,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424946637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:55,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:55,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:55,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750619301] [2021-11-23 02:43:55,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:55,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:55,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:55,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:55,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:55,623 INFO L87 Difference]: Start difference. First operand 1253 states and 2471 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:57,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:57,699 INFO L93 Difference]: Finished difference Result 2050 states and 3961 transitions. [2021-11-23 02:43:57,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-23 02:43:57,700 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:43:57,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:57,720 INFO L225 Difference]: With dead ends: 2050 [2021-11-23 02:43:57,721 INFO L226 Difference]: Without dead ends: 2050 [2021-11-23 02:43:57,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2021-11-23 02:43:57,721 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 201 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:57,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 272 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:43:57,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2050 states. [2021-11-23 02:43:57,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2050 to 1207. [2021-11-23 02:43:57,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1195 states have (on average 1.9874476987447698) internal successors, (2375), 1206 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 2375 transitions. [2021-11-23 02:43:57,739 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 2375 transitions. Word has length 18 [2021-11-23 02:43:57,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:57,739 INFO L470 AbstractCegarLoop]: Abstraction has 1207 states and 2375 transitions. [2021-11-23 02:43:57,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:43:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 2375 transitions. [2021-11-23 02:43:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:43:57,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:57,740 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:43:57,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-23 02:43:57,741 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:43:57,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:57,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1568194140, now seen corresponding path program 6 times [2021-11-23 02:43:57,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:57,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123515055] [2021-11-23 02:43:57,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:57,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:43:57,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:57,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123515055] [2021-11-23 02:43:57,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123515055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:57,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:57,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:43:57,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076726106] [2021-11-23 02:43:57,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:57,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:43:57,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:57,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:43:57,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:43:57,916 INFO L87 Difference]: Start difference. First operand 1207 states and 2375 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:00,240 INFO L93 Difference]: Finished difference Result 2794 states and 5304 transitions. [2021-11-23 02:44:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:44:00,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:44:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:00,247 INFO L225 Difference]: With dead ends: 2794 [2021-11-23 02:44:00,248 INFO L226 Difference]: Without dead ends: 2786 [2021-11-23 02:44:00,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2021-11-23 02:44:00,251 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 277 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 2310 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:00,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 350 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2310 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:44:00,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2021-11-23 02:44:00,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 1250. [2021-11-23 02:44:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1238 states have (on average 1.9911147011308563) internal successors, (2465), 1249 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 2465 transitions. [2021-11-23 02:44:00,287 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 2465 transitions. Word has length 18 [2021-11-23 02:44:00,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:00,287 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 2465 transitions. [2021-11-23 02:44:00,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 2465 transitions. [2021-11-23 02:44:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:44:00,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:00,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:44:00,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-23 02:44:00,289 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:00,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1792466335, now seen corresponding path program 21 times [2021-11-23 02:44:00,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:00,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010326714] [2021-11-23 02:44:00,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:00,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:00,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:00,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010326714] [2021-11-23 02:44:00,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010326714] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:00,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:00,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:00,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430197117] [2021-11-23 02:44:00,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:00,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:00,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:00,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:00,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:00,470 INFO L87 Difference]: Start difference. First operand 1250 states and 2465 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:02,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:02,920 INFO L93 Difference]: Finished difference Result 2553 states and 4914 transitions. [2021-11-23 02:44:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 02:44:02,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:44:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:02,931 INFO L225 Difference]: With dead ends: 2553 [2021-11-23 02:44:02,931 INFO L226 Difference]: Without dead ends: 2553 [2021-11-23 02:44:02,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=852, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 02:44:02,933 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 217 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:02,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 309 Invalid, 2328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2282 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:44:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2021-11-23 02:44:02,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 1227. [2021-11-23 02:44:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1215 states have (on average 1.9876543209876543) internal successors, (2415), 1226 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2415 transitions. [2021-11-23 02:44:02,975 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2415 transitions. Word has length 18 [2021-11-23 02:44:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:02,975 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 2415 transitions. [2021-11-23 02:44:02,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2415 transitions. [2021-11-23 02:44:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:44:02,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:02,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:44:02,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-23 02:44:02,977 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:02,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1139843314, now seen corresponding path program 7 times [2021-11-23 02:44:02,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:02,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261712452] [2021-11-23 02:44:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:02,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:03,164 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:03,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261712452] [2021-11-23 02:44:03,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261712452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:03,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:03,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:03,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992608210] [2021-11-23 02:44:03,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:03,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:03,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:03,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:03,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:03,166 INFO L87 Difference]: Start difference. First operand 1227 states and 2415 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:05,965 INFO L93 Difference]: Finished difference Result 2445 states and 4660 transitions. [2021-11-23 02:44:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 02:44:05,965 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:44:05,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:05,968 INFO L225 Difference]: With dead ends: 2445 [2021-11-23 02:44:05,968 INFO L226 Difference]: Without dead ends: 2437 [2021-11-23 02:44:05,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=599, Unknown=0, NotChecked=0, Total=756 [2021-11-23 02:44:05,969 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 228 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 2830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:05,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 313 Invalid, 2830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2698 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 02:44:05,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2021-11-23 02:44:05,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 1202. [2021-11-23 02:44:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 1190 states have (on average 1.9873949579831933) internal successors, (2365), 1201 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 2365 transitions. [2021-11-23 02:44:06,002 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 2365 transitions. Word has length 18 [2021-11-23 02:44:06,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:06,003 INFO L470 AbstractCegarLoop]: Abstraction has 1202 states and 2365 transitions. [2021-11-23 02:44:06,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 2365 transitions. [2021-11-23 02:44:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:44:06,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:06,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:44:06,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-23 02:44:06,005 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:06,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:06,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1237829630, now seen corresponding path program 8 times [2021-11-23 02:44:06,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:06,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248584558] [2021-11-23 02:44:06,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:06,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:06,202 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:06,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248584558] [2021-11-23 02:44:06,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248584558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:06,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:06,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:06,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58741491] [2021-11-23 02:44:06,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:06,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:06,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:06,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:06,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:06,204 INFO L87 Difference]: Start difference. First operand 1202 states and 2365 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:08,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:08,185 INFO L93 Difference]: Finished difference Result 2170 states and 4137 transitions. [2021-11-23 02:44:08,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-23 02:44:08,185 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:44:08,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:08,188 INFO L225 Difference]: With dead ends: 2170 [2021-11-23 02:44:08,188 INFO L226 Difference]: Without dead ends: 2162 [2021-11-23 02:44:08,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2021-11-23 02:44:08,189 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 426 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:08,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 129 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:44:08,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2021-11-23 02:44:08,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 1179. [2021-11-23 02:44:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 1167 states have (on average 1.987146529562982) internal successors, (2319), 1178 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2319 transitions. [2021-11-23 02:44:08,218 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2319 transitions. Word has length 18 [2021-11-23 02:44:08,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:08,218 INFO L470 AbstractCegarLoop]: Abstraction has 1179 states and 2319 transitions. [2021-11-23 02:44:08,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:08,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2319 transitions. [2021-11-23 02:44:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:44:08,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:08,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:44:08,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-23 02:44:08,220 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:08,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1462101825, now seen corresponding path program 22 times [2021-11-23 02:44:08,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:08,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950162116] [2021-11-23 02:44:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:08,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:08,385 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:08,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950162116] [2021-11-23 02:44:08,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950162116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:08,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:08,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:08,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152035021] [2021-11-23 02:44:08,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:08,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:08,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:08,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:08,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:08,387 INFO L87 Difference]: Start difference. First operand 1179 states and 2319 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:10,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:10,862 INFO L93 Difference]: Finished difference Result 1947 states and 3748 transitions. [2021-11-23 02:44:10,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 02:44:10,862 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:44:10,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:10,864 INFO L225 Difference]: With dead ends: 1947 [2021-11-23 02:44:10,864 INFO L226 Difference]: Without dead ends: 1947 [2021-11-23 02:44:10,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=294, Invalid=896, Unknown=0, NotChecked=0, Total=1190 [2021-11-23 02:44:10,865 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 336 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:10,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 133 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:44:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2021-11-23 02:44:10,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1099. [2021-11-23 02:44:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1089 states have (on average 1.9871441689623508) internal successors, (2164), 1098 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2164 transitions. [2021-11-23 02:44:10,894 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2164 transitions. Word has length 18 [2021-11-23 02:44:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:10,894 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2164 transitions. [2021-11-23 02:44:10,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2164 transitions. [2021-11-23 02:44:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:44:10,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:10,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:44:10,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-23 02:44:10,896 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:10,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:10,897 INFO L85 PathProgramCache]: Analyzing trace with hash 809478804, now seen corresponding path program 9 times [2021-11-23 02:44:10,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:10,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515359797] [2021-11-23 02:44:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:10,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:11,066 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:11,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515359797] [2021-11-23 02:44:11,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515359797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:11,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:11,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:11,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925753414] [2021-11-23 02:44:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:11,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:11,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:11,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:11,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:11,067 INFO L87 Difference]: Start difference. First operand 1099 states and 2164 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:13,293 INFO L93 Difference]: Finished difference Result 2317 states and 4396 transitions. [2021-11-23 02:44:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 02:44:13,294 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:44:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:13,296 INFO L225 Difference]: With dead ends: 2317 [2021-11-23 02:44:13,297 INFO L226 Difference]: Without dead ends: 2317 [2021-11-23 02:44:13,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=252, Invalid=870, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 02:44:13,298 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 375 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 2020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:13,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 152 Invalid, 2020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:44:13,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2021-11-23 02:44:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 1097. [2021-11-23 02:44:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1087 states have (on average 1.987120515179393) internal successors, (2160), 1096 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2160 transitions. [2021-11-23 02:44:13,331 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2160 transitions. Word has length 18 [2021-11-23 02:44:13,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:13,332 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2160 transitions. [2021-11-23 02:44:13,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2160 transitions. [2021-11-23 02:44:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:44:13,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:13,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:44:13,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-23 02:44:13,333 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:13,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash -428869762, now seen corresponding path program 10 times [2021-11-23 02:44:13,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:13,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532709444] [2021-11-23 02:44:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:13,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:13,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:13,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532709444] [2021-11-23 02:44:13,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532709444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:13,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:13,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:13,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535914440] [2021-11-23 02:44:13,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:13,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:13,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:13,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:13,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:13,507 INFO L87 Difference]: Start difference. First operand 1097 states and 2160 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:16,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:16,400 INFO L93 Difference]: Finished difference Result 1731 states and 3309 transitions. [2021-11-23 02:44:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 02:44:16,401 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:44:16,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:16,403 INFO L225 Difference]: With dead ends: 1731 [2021-11-23 02:44:16,403 INFO L226 Difference]: Without dead ends: 1731 [2021-11-23 02:44:16,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=224, Invalid=768, Unknown=0, NotChecked=0, Total=992 [2021-11-23 02:44:16,404 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 212 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:16,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 158 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 02:44:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2021-11-23 02:44:16,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 979. [2021-11-23 02:44:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 970 states have (on average 1.9835051546391753) internal successors, (1924), 978 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1924 transitions. [2021-11-23 02:44:16,429 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1924 transitions. Word has length 18 [2021-11-23 02:44:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:16,429 INFO L470 AbstractCegarLoop]: Abstraction has 979 states and 1924 transitions. [2021-11-23 02:44:16,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1924 transitions. [2021-11-23 02:44:16,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:16,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:16,431 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:16,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-23 02:44:16,431 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:16,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:16,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1143215968, now seen corresponding path program 1 times [2021-11-23 02:44:16,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:16,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023387637] [2021-11-23 02:44:16,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:16,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:16,758 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:16,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023387637] [2021-11-23 02:44:16,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023387637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:16,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:16,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:16,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288031471] [2021-11-23 02:44:16,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:16,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:16,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:16,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:16,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:16,760 INFO L87 Difference]: Start difference. First operand 979 states and 1924 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) [2021-11-23 02:44:18,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:18,207 INFO L93 Difference]: Finished difference Result 1187 states and 2312 transitions. [2021-11-23 02:44:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:44:18,207 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 [2021-11-23 02:44:18,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:18,209 INFO L225 Difference]: With dead ends: 1187 [2021-11-23 02:44:18,209 INFO L226 Difference]: Without dead ends: 1187 [2021-11-23 02:44:18,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2021-11-23 02:44:18,210 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 179 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:18,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 95 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:44:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2021-11-23 02:44:18,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1004. [2021-11-23 02:44:18,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 995 states have (on average 1.9839195979899498) internal successors, (1974), 1003 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1974 transitions. [2021-11-23 02:44:18,225 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1974 transitions. Word has length 24 [2021-11-23 02:44:18,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:18,226 INFO L470 AbstractCegarLoop]: Abstraction has 1004 states and 1974 transitions. [2021-11-23 02:44:18,226 INFO L471 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) [2021-11-23 02:44:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1974 transitions. [2021-11-23 02:44:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:18,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:18,227 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:18,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-23 02:44:18,228 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:18,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash -536262252, now seen corresponding path program 2 times [2021-11-23 02:44:18,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:18,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901037363] [2021-11-23 02:44:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:18,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:18,521 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:18,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901037363] [2021-11-23 02:44:18,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901037363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:18,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:18,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:18,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372578138] [2021-11-23 02:44:18,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:18,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:18,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:18,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:18,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:18,522 INFO L87 Difference]: Start difference. First operand 1004 states and 1974 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) [2021-11-23 02:44:20,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:20,204 INFO L93 Difference]: Finished difference Result 1205 states and 2346 transitions. [2021-11-23 02:44:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-23 02:44:20,205 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 [2021-11-23 02:44:20,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:20,206 INFO L225 Difference]: With dead ends: 1205 [2021-11-23 02:44:20,206 INFO L226 Difference]: Without dead ends: 1205 [2021-11-23 02:44:20,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2021-11-23 02:44:20,207 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 186 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:20,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 95 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:44:20,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2021-11-23 02:44:20,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1009. [2021-11-23 02:44:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1000 states have (on average 1.984) internal successors, (1984), 1008 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1984 transitions. [2021-11-23 02:44:20,224 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1984 transitions. Word has length 24 [2021-11-23 02:44:20,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:20,224 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1984 transitions. [2021-11-23 02:44:20,224 INFO L471 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) [2021-11-23 02:44:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1984 transitions. [2021-11-23 02:44:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:20,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:20,226 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:20,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-23 02:44:20,226 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:20,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:20,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1986936480, now seen corresponding path program 3 times [2021-11-23 02:44:20,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:20,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378346829] [2021-11-23 02:44:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:20,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:20,512 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:20,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378346829] [2021-11-23 02:44:20,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378346829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:20,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:20,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:20,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279010454] [2021-11-23 02:44:20,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:20,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:20,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:20,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:20,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:20,513 INFO L87 Difference]: Start difference. First operand 1009 states and 1984 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) [2021-11-23 02:44:22,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:22,282 INFO L93 Difference]: Finished difference Result 1223 states and 2380 transitions. [2021-11-23 02:44:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 02:44:22,283 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 [2021-11-23 02:44:22,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:22,284 INFO L225 Difference]: With dead ends: 1223 [2021-11-23 02:44:22,284 INFO L226 Difference]: Without dead ends: 1223 [2021-11-23 02:44:22,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2021-11-23 02:44:22,285 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 194 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:22,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 95 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:44:22,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2021-11-23 02:44:22,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1014. [2021-11-23 02:44:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1005 states have (on average 1.9840796019900497) internal successors, (1994), 1013 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1994 transitions. [2021-11-23 02:44:22,307 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1994 transitions. Word has length 24 [2021-11-23 02:44:22,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:22,308 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1994 transitions. [2021-11-23 02:44:22,308 INFO L471 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) [2021-11-23 02:44:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1994 transitions. [2021-11-23 02:44:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:22,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:22,309 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:22,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-23 02:44:22,310 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:22,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:22,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1824583618, now seen corresponding path program 4 times [2021-11-23 02:44:22,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:22,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009814401] [2021-11-23 02:44:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:22,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:22,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:22,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009814401] [2021-11-23 02:44:22,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009814401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:22,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:22,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:22,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180673570] [2021-11-23 02:44:22,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:22,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:22,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:22,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:22,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:22,565 INFO L87 Difference]: Start difference. First operand 1014 states and 1994 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) [2021-11-23 02:44:24,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:24,208 INFO L93 Difference]: Finished difference Result 1241 states and 2414 transitions. [2021-11-23 02:44:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-23 02:44:24,208 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 [2021-11-23 02:44:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:24,210 INFO L225 Difference]: With dead ends: 1241 [2021-11-23 02:44:24,210 INFO L226 Difference]: Without dead ends: 1241 [2021-11-23 02:44:24,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2021-11-23 02:44:24,211 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 205 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:24,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 95 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:44:24,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2021-11-23 02:44:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1019. [2021-11-23 02:44:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1010 states have (on average 1.9841584158415841) internal successors, (2004), 1018 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 2004 transitions. [2021-11-23 02:44:24,230 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 2004 transitions. Word has length 24 [2021-11-23 02:44:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:24,230 INFO L470 AbstractCegarLoop]: Abstraction has 1019 states and 2004 transitions. [2021-11-23 02:44:24,230 INFO L471 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) [2021-11-23 02:44:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2004 transitions. [2021-11-23 02:44:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:24,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:24,232 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:24,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-23 02:44:24,233 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:24,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:24,233 INFO L85 PathProgramCache]: Analyzing trace with hash 342329672, now seen corresponding path program 5 times [2021-11-23 02:44:24,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:24,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504170105] [2021-11-23 02:44:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:24,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:24,438 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:24,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504170105] [2021-11-23 02:44:24,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504170105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:24,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:24,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:24,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393433112] [2021-11-23 02:44:24,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:24,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:24,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:24,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:24,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:24,439 INFO L87 Difference]: Start difference. First operand 1019 states and 2004 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) [2021-11-23 02:44:26,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:26,893 INFO L93 Difference]: Finished difference Result 1530 states and 2949 transitions. [2021-11-23 02:44:26,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 02:44:26,894 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 [2021-11-23 02:44:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:26,896 INFO L225 Difference]: With dead ends: 1530 [2021-11-23 02:44:26,896 INFO L226 Difference]: Without dead ends: 1530 [2021-11-23 02:44:26,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=391, Invalid=1015, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 02:44:26,897 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 289 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:26,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 117 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:44:26,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2021-11-23 02:44:26,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1012. [2021-11-23 02:44:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1003 states have (on average 1.9840478564307078) internal successors, (1990), 1011 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1990 transitions. [2021-11-23 02:44:26,919 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1990 transitions. Word has length 24 [2021-11-23 02:44:26,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:26,919 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1990 transitions. [2021-11-23 02:44:26,919 INFO L471 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) [2021-11-23 02:44:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1990 transitions. [2021-11-23 02:44:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:26,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:26,921 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:26,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-23 02:44:26,922 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1264951076, now seen corresponding path program 6 times [2021-11-23 02:44:26,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:26,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300286996] [2021-11-23 02:44:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:26,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:27,254 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:27,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300286996] [2021-11-23 02:44:27,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300286996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:27,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:27,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:27,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318675727] [2021-11-23 02:44:27,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:27,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:27,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:27,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:27,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:27,256 INFO L87 Difference]: Start difference. First operand 1012 states and 1990 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) [2021-11-23 02:44:29,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:29,680 INFO L93 Difference]: Finished difference Result 1653 states and 3232 transitions. [2021-11-23 02:44:29,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:44:29,681 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 [2021-11-23 02:44:29,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:29,683 INFO L225 Difference]: With dead ends: 1653 [2021-11-23 02:44:29,683 INFO L226 Difference]: Without dead ends: 1653 [2021-11-23 02:44:29,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2021-11-23 02:44:29,684 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 184 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:29,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 113 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:44:29,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2021-11-23 02:44:29,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1074. [2021-11-23 02:44:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 1065 states have (on average 1.9849765258215963) internal successors, (2114), 1073 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 2114 transitions. [2021-11-23 02:44:29,724 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 2114 transitions. Word has length 24 [2021-11-23 02:44:29,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:29,725 INFO L470 AbstractCegarLoop]: Abstraction has 1074 states and 2114 transitions. [2021-11-23 02:44:29,725 INFO L471 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) [2021-11-23 02:44:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 2114 transitions. [2021-11-23 02:44:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:29,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:29,727 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:29,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-23 02:44:29,727 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:29,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:29,728 INFO L85 PathProgramCache]: Analyzing trace with hash -657997360, now seen corresponding path program 7 times [2021-11-23 02:44:29,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:29,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056918100] [2021-11-23 02:44:29,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:29,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:30,008 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:30,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056918100] [2021-11-23 02:44:30,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056918100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:30,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:30,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:30,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157199994] [2021-11-23 02:44:30,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:30,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:30,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:30,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:30,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:30,009 INFO L87 Difference]: Start difference. First operand 1074 states and 2114 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) [2021-11-23 02:44:31,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:31,973 INFO L93 Difference]: Finished difference Result 1671 states and 3266 transitions. [2021-11-23 02:44:31,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 02:44:31,973 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 [2021-11-23 02:44:31,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:31,975 INFO L225 Difference]: With dead ends: 1671 [2021-11-23 02:44:31,975 INFO L226 Difference]: Without dead ends: 1671 [2021-11-23 02:44:31,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2021-11-23 02:44:31,977 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 189 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:31,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 111 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 02:44:31,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2021-11-23 02:44:31,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1076. [2021-11-23 02:44:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1067 states have (on average 1.9850046860356139) internal successors, (2118), 1075 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 2118 transitions. [2021-11-23 02:44:31,994 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 2118 transitions. Word has length 24 [2021-11-23 02:44:31,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:31,995 INFO L470 AbstractCegarLoop]: Abstraction has 1076 states and 2118 transitions. [2021-11-23 02:44:31,995 INFO L471 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) [2021-11-23 02:44:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2118 transitions. [2021-11-23 02:44:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:31,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:31,996 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:31,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-23 02:44:31,997 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:31,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:31,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1865201372, now seen corresponding path program 8 times [2021-11-23 02:44:31,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:31,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309279623] [2021-11-23 02:44:31,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:31,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:32,237 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:32,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309279623] [2021-11-23 02:44:32,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309279623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:32,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:32,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:32,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083934971] [2021-11-23 02:44:32,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:32,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:32,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:32,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:32,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:32,239 INFO L87 Difference]: Start difference. First operand 1076 states and 2118 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) [2021-11-23 02:44:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:34,330 INFO L93 Difference]: Finished difference Result 1689 states and 3300 transitions. [2021-11-23 02:44:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 02:44:34,331 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 [2021-11-23 02:44:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:34,333 INFO L225 Difference]: With dead ends: 1689 [2021-11-23 02:44:34,333 INFO L226 Difference]: Without dead ends: 1689 [2021-11-23 02:44:34,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2021-11-23 02:44:34,334 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 192 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:34,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 109 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:44:34,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2021-11-23 02:44:34,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1078. [2021-11-23 02:44:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1069 states have (on average 1.9850327408793265) internal successors, (2122), 1077 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 2122 transitions. [2021-11-23 02:44:34,357 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 2122 transitions. Word has length 24 [2021-11-23 02:44:34,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:34,357 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 2122 transitions. [2021-11-23 02:44:34,358 INFO L471 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) [2021-11-23 02:44:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2122 transitions. [2021-11-23 02:44:34,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:34,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:34,359 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:34,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-23 02:44:34,360 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:34,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:34,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1946318726, now seen corresponding path program 9 times [2021-11-23 02:44:34,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:34,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409833227] [2021-11-23 02:44:34,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:34,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:34,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:34,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409833227] [2021-11-23 02:44:34,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409833227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:34,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:34,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 02:44:34,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339971760] [2021-11-23 02:44:34,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:34,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 02:44:34,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:34,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 02:44:34,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:44:34,623 INFO L87 Difference]: Start difference. First operand 1078 states and 2122 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) [2021-11-23 02:44:36,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:36,797 INFO L93 Difference]: Finished difference Result 1707 states and 3334 transitions. [2021-11-23 02:44:36,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 02:44:36,813 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 [2021-11-23 02:44:36,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:36,824 INFO L225 Difference]: With dead ends: 1707 [2021-11-23 02:44:36,824 INFO L226 Difference]: Without dead ends: 1707 [2021-11-23 02:44:36,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2021-11-23 02:44:36,825 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 204 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:36,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 107 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:44:36,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-11-23 02:44:36,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1080. [2021-11-23 02:44:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 1071 states have (on average 1.985060690943044) internal successors, (2126), 1079 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 2126 transitions. [2021-11-23 02:44:36,845 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 2126 transitions. Word has length 24 [2021-11-23 02:44:36,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:36,846 INFO L470 AbstractCegarLoop]: Abstraction has 1080 states and 2126 transitions. [2021-11-23 02:44:36,846 INFO L471 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) [2021-11-23 02:44:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 2126 transitions. [2021-11-23 02:44:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:36,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:36,848 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:36,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-23 02:44:36,848 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:36,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash 220594564, now seen corresponding path program 10 times [2021-11-23 02:44:36,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:36,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663073396] [2021-11-23 02:44:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:37,054 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:37,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663073396] [2021-11-23 02:44:37,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663073396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:37,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:37,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:37,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295032021] [2021-11-23 02:44:37,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:37,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:37,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:37,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:37,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:37,057 INFO L87 Difference]: Start difference. First operand 1080 states and 2126 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) [2021-11-23 02:44:38,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:38,884 INFO L93 Difference]: Finished difference Result 1907 states and 3705 transitions. [2021-11-23 02:44:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 02:44:38,884 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 [2021-11-23 02:44:38,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:38,887 INFO L225 Difference]: With dead ends: 1907 [2021-11-23 02:44:38,887 INFO L226 Difference]: Without dead ends: 1907 [2021-11-23 02:44:38,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2021-11-23 02:44:38,888 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 215 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:38,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 144 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 02:44:38,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2021-11-23 02:44:38,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1096. [2021-11-23 02:44:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1087 states have (on average 1.9852805887764489) internal successors, (2158), 1095 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 2158 transitions. [2021-11-23 02:44:38,911 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 2158 transitions. Word has length 24 [2021-11-23 02:44:38,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:38,912 INFO L470 AbstractCegarLoop]: Abstraction has 1096 states and 2158 transitions. [2021-11-23 02:44:38,912 INFO L471 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) [2021-11-23 02:44:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 2158 transitions. [2021-11-23 02:44:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:38,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:38,914 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:38,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-23 02:44:38,914 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:38,915 INFO L85 PathProgramCache]: Analyzing trace with hash 267962254, now seen corresponding path program 11 times [2021-11-23 02:44:38,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:38,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866177627] [2021-11-23 02:44:38,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:38,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:39,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:39,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:39,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866177627] [2021-11-23 02:44:39,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866177627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:39,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:39,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:39,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129603433] [2021-11-23 02:44:39,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:39,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:39,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:39,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:39,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:39,092 INFO L87 Difference]: Start difference. First operand 1096 states and 2158 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) [2021-11-23 02:44:40,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:40,918 INFO L93 Difference]: Finished difference Result 1696 states and 3294 transitions. [2021-11-23 02:44:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 02:44:40,918 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 [2021-11-23 02:44:40,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:40,921 INFO L225 Difference]: With dead ends: 1696 [2021-11-23 02:44:40,921 INFO L226 Difference]: Without dead ends: 1696 [2021-11-23 02:44:40,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-11-23 02:44:40,922 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 172 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:40,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 151 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:44:40,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2021-11-23 02:44:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1094. [2021-11-23 02:44:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1085 states have (on average 1.985253456221198) internal successors, (2154), 1093 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 2154 transitions. [2021-11-23 02:44:40,944 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 2154 transitions. Word has length 24 [2021-11-23 02:44:40,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:40,944 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 2154 transitions. [2021-11-23 02:44:40,944 INFO L471 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) [2021-11-23 02:44:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 2154 transitions. [2021-11-23 02:44:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:40,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:40,946 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:40,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-23 02:44:40,946 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:40,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:40,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1122049208, now seen corresponding path program 12 times [2021-11-23 02:44:40,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:40,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283531007] [2021-11-23 02:44:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:40,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:41,161 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:41,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283531007] [2021-11-23 02:44:41,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283531007] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:41,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:41,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:41,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861128870] [2021-11-23 02:44:41,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:41,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:41,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:41,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:41,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:41,163 INFO L87 Difference]: Start difference. First operand 1094 states and 2154 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) [2021-11-23 02:44:43,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:43,866 INFO L93 Difference]: Finished difference Result 2163 states and 4175 transitions. [2021-11-23 02:44:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 02:44:43,867 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 [2021-11-23 02:44:43,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:43,869 INFO L225 Difference]: With dead ends: 2163 [2021-11-23 02:44:43,869 INFO L226 Difference]: Without dead ends: 2163 [2021-11-23 02:44:43,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2021-11-23 02:44:43,870 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 230 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 2115 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:43,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 143 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2115 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 02:44:43,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2163 states. [2021-11-23 02:44:43,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2163 to 1112. [2021-11-23 02:44:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1103 states have (on average 1.985494106980961) internal successors, (2190), 1111 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2190 transitions. [2021-11-23 02:44:43,889 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2190 transitions. Word has length 24 [2021-11-23 02:44:43,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:43,889 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2190 transitions. [2021-11-23 02:44:43,889 INFO L471 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) [2021-11-23 02:44:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2190 transitions. [2021-11-23 02:44:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:43,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:43,891 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:43,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-23 02:44:43,892 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:43,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:43,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1169416898, now seen corresponding path program 13 times [2021-11-23 02:44:43,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:43,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888004609] [2021-11-23 02:44:43,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:43,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:44,072 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:44,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888004609] [2021-11-23 02:44:44,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888004609] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:44,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:44,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:44,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996452602] [2021-11-23 02:44:44,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:44,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:44,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:44,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:44,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:44,074 INFO L87 Difference]: Start difference. First operand 1112 states and 2190 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) [2021-11-23 02:44:46,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:46,114 INFO L93 Difference]: Finished difference Result 2018 states and 3894 transitions. [2021-11-23 02:44:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:44:46,115 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 [2021-11-23 02:44:46,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:46,117 INFO L225 Difference]: With dead ends: 2018 [2021-11-23 02:44:46,117 INFO L226 Difference]: Without dead ends: 2018 [2021-11-23 02:44:46,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2021-11-23 02:44:46,124 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 179 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:46,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 232 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:44:46,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2021-11-23 02:44:46,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1099. [2021-11-23 02:44:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1090 states have (on average 1.9853211009174312) internal successors, (2164), 1098 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2164 transitions. [2021-11-23 02:44:46,149 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2164 transitions. Word has length 24 [2021-11-23 02:44:46,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:46,149 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2164 transitions. [2021-11-23 02:44:46,149 INFO L471 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) [2021-11-23 02:44:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2164 transitions. [2021-11-23 02:44:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:46,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:46,151 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:46,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-23 02:44:46,152 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:46,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:46,152 INFO L85 PathProgramCache]: Analyzing trace with hash -508923378, now seen corresponding path program 14 times [2021-11-23 02:44:46,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:46,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313568270] [2021-11-23 02:44:46,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:46,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:46,427 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:46,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313568270] [2021-11-23 02:44:46,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313568270] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:46,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:46,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:46,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754334036] [2021-11-23 02:44:46,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:46,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:46,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:46,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:46,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:46,429 INFO L87 Difference]: Start difference. First operand 1099 states and 2164 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) [2021-11-23 02:44:48,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:48,484 INFO L93 Difference]: Finished difference Result 1544 states and 3015 transitions. [2021-11-23 02:44:48,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 02:44:48,485 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 [2021-11-23 02:44:48,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:48,486 INFO L225 Difference]: With dead ends: 1544 [2021-11-23 02:44:48,486 INFO L226 Difference]: Without dead ends: 1544 [2021-11-23 02:44:48,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2021-11-23 02:44:48,487 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 160 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:48,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 145 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:44:48,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2021-11-23 02:44:48,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1094. [2021-11-23 02:44:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1085 states have (on average 1.985253456221198) internal successors, (2154), 1093 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 2154 transitions. [2021-11-23 02:44:48,503 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 2154 transitions. Word has length 24 [2021-11-23 02:44:48,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:48,504 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 2154 transitions. [2021-11-23 02:44:48,504 INFO L471 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) [2021-11-23 02:44:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 2154 transitions. [2021-11-23 02:44:48,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:48,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:48,505 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:48,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-23 02:44:48,505 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash 98030338, now seen corresponding path program 15 times [2021-11-23 02:44:48,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:48,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783284953] [2021-11-23 02:44:48,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:48,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:48,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:48,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783284953] [2021-11-23 02:44:48,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783284953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:48,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:48,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:48,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521210589] [2021-11-23 02:44:48,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:48,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:48,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:48,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:48,787 INFO L87 Difference]: Start difference. First operand 1094 states and 2154 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) [2021-11-23 02:44:50,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:50,362 INFO L93 Difference]: Finished difference Result 1562 states and 3049 transitions. [2021-11-23 02:44:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:44:50,364 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 [2021-11-23 02:44:50,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:50,367 INFO L225 Difference]: With dead ends: 1562 [2021-11-23 02:44:50,367 INFO L226 Difference]: Without dead ends: 1562 [2021-11-23 02:44:50,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2021-11-23 02:44:50,368 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 173 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:50,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 143 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:44:50,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-11-23 02:44:50,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1089. [2021-11-23 02:44:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1080 states have (on average 1.9851851851851852) internal successors, (2144), 1088 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 2144 transitions. [2021-11-23 02:44:50,390 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 2144 transitions. Word has length 24 [2021-11-23 02:44:50,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:50,391 INFO L470 AbstractCegarLoop]: Abstraction has 1089 states and 2144 transitions. [2021-11-23 02:44:50,391 INFO L471 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) [2021-11-23 02:44:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2144 transitions. [2021-11-23 02:44:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:50,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:50,393 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:50,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-23 02:44:50,393 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:50,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1673738226, now seen corresponding path program 16 times [2021-11-23 02:44:50,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:50,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66958176] [2021-11-23 02:44:50,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:50,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:50,615 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:50,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66958176] [2021-11-23 02:44:50,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66958176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:50,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:50,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:50,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748502938] [2021-11-23 02:44:50,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:50,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:50,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:50,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:50,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:50,617 INFO L87 Difference]: Start difference. First operand 1089 states and 2144 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) [2021-11-23 02:44:52,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:52,307 INFO L93 Difference]: Finished difference Result 1580 states and 3083 transitions. [2021-11-23 02:44:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 02:44:52,308 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 [2021-11-23 02:44:52,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:52,309 INFO L225 Difference]: With dead ends: 1580 [2021-11-23 02:44:52,310 INFO L226 Difference]: Without dead ends: 1580 [2021-11-23 02:44:52,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2021-11-23 02:44:52,310 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 183 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:52,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 141 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:44:52,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-11-23 02:44:52,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1084. [2021-11-23 02:44:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1075 states have (on average 1.9851162790697674) internal successors, (2134), 1083 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 2134 transitions. [2021-11-23 02:44:52,341 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 2134 transitions. Word has length 24 [2021-11-23 02:44:52,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:52,341 INFO L470 AbstractCegarLoop]: Abstraction has 1084 states and 2134 transitions. [2021-11-23 02:44:52,341 INFO L471 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) [2021-11-23 02:44:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 2134 transitions. [2021-11-23 02:44:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:52,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:52,342 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:52,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-23 02:44:52,342 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:52,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:52,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1190291028, now seen corresponding path program 17 times [2021-11-23 02:44:52,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:52,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970779735] [2021-11-23 02:44:52,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:52,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:52,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:52,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970779735] [2021-11-23 02:44:52,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970779735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:52,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:52,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 02:44:52,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111286802] [2021-11-23 02:44:52,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:52,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 02:44:52,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:52,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 02:44:52,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:44:52,597 INFO L87 Difference]: Start difference. First operand 1084 states and 2134 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) [2021-11-23 02:44:54,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:54,681 INFO L93 Difference]: Finished difference Result 1598 states and 3117 transitions. [2021-11-23 02:44:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-23 02:44:54,681 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 [2021-11-23 02:44:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:54,683 INFO L225 Difference]: With dead ends: 1598 [2021-11-23 02:44:54,683 INFO L226 Difference]: Without dead ends: 1598 [2021-11-23 02:44:54,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=635, Unknown=0, NotChecked=0, Total=812 [2021-11-23 02:44:54,684 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 180 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:54,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 139 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:44:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2021-11-23 02:44:54,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1079. [2021-11-23 02:44:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1070 states have (on average 1.9850467289719627) internal successors, (2124), 1078 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 2124 transitions. [2021-11-23 02:44:54,697 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 2124 transitions. Word has length 24 [2021-11-23 02:44:54,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:54,697 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 2124 transitions. [2021-11-23 02:44:54,698 INFO L471 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) [2021-11-23 02:44:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2124 transitions. [2021-11-23 02:44:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:54,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:54,699 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:54,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-23 02:44:54,699 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:54,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:54,699 INFO L85 PathProgramCache]: Analyzing trace with hash 976622262, now seen corresponding path program 18 times [2021-11-23 02:44:54,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:54,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856540420] [2021-11-23 02:44:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:54,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:54,896 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:54,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856540420] [2021-11-23 02:44:54,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856540420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:54,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:54,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:54,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131723689] [2021-11-23 02:44:54,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:54,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:54,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:54,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:54,897 INFO L87 Difference]: Start difference. First operand 1079 states and 2124 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) [2021-11-23 02:44:57,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:57,688 INFO L93 Difference]: Finished difference Result 1983 states and 3827 transitions. [2021-11-23 02:44:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-23 02:44:57,689 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 [2021-11-23 02:44:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:57,691 INFO L225 Difference]: With dead ends: 1983 [2021-11-23 02:44:57,691 INFO L226 Difference]: Without dead ends: 1983 [2021-11-23 02:44:57,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=596, Unknown=0, NotChecked=0, Total=756 [2021-11-23 02:44:57,695 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 223 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 2249 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:57,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 231 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2249 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 02:44:57,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2021-11-23 02:44:57,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1095. [2021-11-23 02:44:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 1086 states have (on average 1.985267034990792) internal successors, (2156), 1094 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:57,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 2156 transitions. [2021-11-23 02:44:57,715 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 2156 transitions. Word has length 24 [2021-11-23 02:44:57,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:57,716 INFO L470 AbstractCegarLoop]: Abstraction has 1095 states and 2156 transitions. [2021-11-23 02:44:57,716 INFO L471 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) [2021-11-23 02:44:57,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 2156 transitions. [2021-11-23 02:44:57,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:57,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:57,717 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:57,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-23 02:44:57,718 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:57,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:57,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1023989952, now seen corresponding path program 19 times [2021-11-23 02:44:57,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:57,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890179527] [2021-11-23 02:44:57,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:57,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:57,921 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:57,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890179527] [2021-11-23 02:44:57,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890179527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:57,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:57,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:57,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827500574] [2021-11-23 02:44:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:57,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:57,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:57,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:57,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:57,923 INFO L87 Difference]: Start difference. First operand 1095 states and 2156 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) [2021-11-23 02:44:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:59,583 INFO L93 Difference]: Finished difference Result 1771 states and 3415 transitions. [2021-11-23 02:44:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:44:59,584 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 [2021-11-23 02:44:59,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:59,586 INFO L225 Difference]: With dead ends: 1771 [2021-11-23 02:44:59,586 INFO L226 Difference]: Without dead ends: 1771 [2021-11-23 02:44:59,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2021-11-23 02:44:59,587 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 201 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:59,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 199 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:44:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2021-11-23 02:44:59,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1044. [2021-11-23 02:44:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1035 states have (on average 1.9845410628019324) internal successors, (2054), 1043 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:44:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 2054 transitions. [2021-11-23 02:44:59,609 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 2054 transitions. Word has length 24 [2021-11-23 02:44:59,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:59,609 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 2054 transitions. [2021-11-23 02:44:59,609 INFO L471 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) [2021-11-23 02:44:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 2054 transitions. [2021-11-23 02:44:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:44:59,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:59,611 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:44:59,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-23 02:44:59,611 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:44:59,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:59,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1388403814, now seen corresponding path program 20 times [2021-11-23 02:44:59,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:59,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307915838] [2021-11-23 02:44:59,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:59,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:44:59,804 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:59,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307915838] [2021-11-23 02:44:59,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307915838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:59,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:59,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:44:59,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620661502] [2021-11-23 02:44:59,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:59,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:44:59,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:59,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:44:59,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:44:59,806 INFO L87 Difference]: Start difference. First operand 1044 states and 2054 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) [2021-11-23 02:45:02,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:02,657 INFO L93 Difference]: Finished difference Result 2239 states and 4297 transitions. [2021-11-23 02:45:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 02:45:02,658 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 [2021-11-23 02:45:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:02,668 INFO L225 Difference]: With dead ends: 2239 [2021-11-23 02:45:02,668 INFO L226 Difference]: Without dead ends: 2239 [2021-11-23 02:45:02,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2021-11-23 02:45:02,669 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 236 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:02,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 245 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 02:45:02,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-23 02:45:02,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 1062. [2021-11-23 02:45:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 1053 states have (on average 1.9848053181386516) internal successors, (2090), 1061 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:45:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2090 transitions. [2021-11-23 02:45:02,688 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2090 transitions. Word has length 24 [2021-11-23 02:45:02,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:02,688 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 2090 transitions. [2021-11-23 02:45:02,689 INFO L471 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) [2021-11-23 02:45:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2090 transitions. [2021-11-23 02:45:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:45:02,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:02,690 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:45:02,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-23 02:45:02,691 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:45:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:02,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1435771504, now seen corresponding path program 21 times [2021-11-23 02:45:02,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:02,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528720163] [2021-11-23 02:45:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:02,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:45:02,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:02,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528720163] [2021-11-23 02:45:02,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528720163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:02,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:02,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:45:02,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746397576] [2021-11-23 02:45:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:02,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:45:02,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:02,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:45:02,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:45:02,876 INFO L87 Difference]: Start difference. First operand 1062 states and 2090 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) [2021-11-23 02:45:05,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:05,106 INFO L93 Difference]: Finished difference Result 2093 states and 4015 transitions. [2021-11-23 02:45:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 02:45:05,106 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 [2021-11-23 02:45:05,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:05,108 INFO L225 Difference]: With dead ends: 2093 [2021-11-23 02:45:05,108 INFO L226 Difference]: Without dead ends: 2093 [2021-11-23 02:45:05,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2021-11-23 02:45:05,109 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 192 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1908 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:05,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 340 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1908 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:45:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2021-11-23 02:45:05,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 1039. [2021-11-23 02:45:05,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1030 states have (on average 1.9844660194174757) internal successors, (2044), 1038 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:45:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 2044 transitions. [2021-11-23 02:45:05,125 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 2044 transitions. Word has length 24 [2021-11-23 02:45:05,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:05,125 INFO L470 AbstractCegarLoop]: Abstraction has 1039 states and 2044 transitions. [2021-11-23 02:45:05,125 INFO L471 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) [2021-11-23 02:45:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2044 transitions. [2021-11-23 02:45:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:45:05,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:05,126 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:45:05,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-23 02:45:05,126 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:45:05,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:05,126 INFO L85 PathProgramCache]: Analyzing trace with hash 429335688, now seen corresponding path program 22 times [2021-11-23 02:45:05,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:05,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848157145] [2021-11-23 02:45:05,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:05,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:45:05,321 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:05,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848157145] [2021-11-23 02:45:05,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848157145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:05,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:05,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:45:05,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104988139] [2021-11-23 02:45:05,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:05,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:45:05,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:45:05,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:45:05,322 INFO L87 Difference]: Start difference. First operand 1039 states and 2044 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) [2021-11-23 02:45:07,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:07,555 INFO L93 Difference]: Finished difference Result 2105 states and 4054 transitions. [2021-11-23 02:45:07,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-23 02:45:07,556 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 [2021-11-23 02:45:07,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:07,558 INFO L225 Difference]: With dead ends: 2105 [2021-11-23 02:45:07,558 INFO L226 Difference]: Without dead ends: 2105 [2021-11-23 02:45:07,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2021-11-23 02:45:07,559 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 355 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:07,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 57 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:45:07,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2021-11-23 02:45:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 1038. [2021-11-23 02:45:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 1029 states have (on average 1.9844509232264333) internal successors, (2042), 1037 states have internal predecessors, (2042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:45:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 2042 transitions. [2021-11-23 02:45:07,577 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 2042 transitions. Word has length 24 [2021-11-23 02:45:07,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:07,577 INFO L470 AbstractCegarLoop]: Abstraction has 1038 states and 2042 transitions. [2021-11-23 02:45:07,577 INFO L471 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) [2021-11-23 02:45:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 2042 transitions. [2021-11-23 02:45:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:45:07,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:07,578 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:45:07,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-23 02:45:07,578 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:45:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:07,579 INFO L85 PathProgramCache]: Analyzing trace with hash 476703378, now seen corresponding path program 23 times [2021-11-23 02:45:07,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:07,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628716959] [2021-11-23 02:45:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:07,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:45:07,733 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:07,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628716959] [2021-11-23 02:45:07,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628716959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:07,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:07,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:45:07,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927844965] [2021-11-23 02:45:07,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:07,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:45:07,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:07,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:45:07,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:45:07,735 INFO L87 Difference]: Start difference. First operand 1038 states and 2042 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) [2021-11-23 02:45:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:09,639 INFO L93 Difference]: Finished difference Result 1685 states and 3237 transitions. [2021-11-23 02:45:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-23 02:45:09,640 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 [2021-11-23 02:45:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:09,642 INFO L225 Difference]: With dead ends: 1685 [2021-11-23 02:45:09,642 INFO L226 Difference]: Without dead ends: 1685 [2021-11-23 02:45:09,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=272, Invalid=850, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 02:45:09,643 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 327 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:09,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 127 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:45:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2021-11-23 02:45:09,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 944. [2021-11-23 02:45:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 936 states have (on average 1.9861111111111112) internal successors, (1859), 943 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:45:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1859 transitions. [2021-11-23 02:45:09,658 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1859 transitions. Word has length 24 [2021-11-23 02:45:09,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:09,658 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1859 transitions. [2021-11-23 02:45:09,658 INFO L471 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) [2021-11-23 02:45:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1859 transitions. [2021-11-23 02:45:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:45:09,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:09,659 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:45:09,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-23 02:45:09,659 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:45:09,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:09,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2131496259, now seen corresponding path program 1 times [2021-11-23 02:45:09,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:09,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754222707] [2021-11-23 02:45:09,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:09,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:09,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:45:09,749 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:09,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754222707] [2021-11-23 02:45:09,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754222707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:09,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:09,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:45:09,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645932870] [2021-11-23 02:45:09,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:09,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:45:09,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:09,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:45:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:45:09,751 INFO L87 Difference]: Start difference. First operand 944 states and 1859 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) [2021-11-23 02:45:10,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:10,467 INFO L93 Difference]: Finished difference Result 1047 states and 2060 transitions. [2021-11-23 02:45:10,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:45:10,468 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 [2021-11-23 02:45:10,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:10,469 INFO L225 Difference]: With dead ends: 1047 [2021-11-23 02:45:10,469 INFO L226 Difference]: Without dead ends: 1047 [2021-11-23 02:45:10,472 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:45:10,473 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 36 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:10,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 30 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 02:45:10,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2021-11-23 02:45:10,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1008. [2021-11-23 02:45:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1000 states have (on average 1.984) internal successors, (1984), 1007 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:45:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1984 transitions. [2021-11-23 02:45:10,491 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1984 transitions. Word has length 27 [2021-11-23 02:45:10,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:10,491 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1984 transitions. [2021-11-23 02:45:10,491 INFO L471 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) [2021-11-23 02:45:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1984 transitions. [2021-11-23 02:45:10,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 02:45:10,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:10,493 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:45:10,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-23 02:45:10,493 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-23 02:45:10,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:10,494 INFO L85 PathProgramCache]: Analyzing trace with hash -467352517, now seen corresponding path program 1 times [2021-11-23 02:45:10,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:10,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126847109] [2021-11-23 02:45:10,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:10,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:45:10,546 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:45:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:45:10,620 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:45:10,621 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:45:10,622 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2021-11-23 02:45:10,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2021-11-23 02:45:10,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2021-11-23 02:45:10,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2021-11-23 02:45:10,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2021-11-23 02:45:10,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2021-11-23 02:45:10,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2021-11-23 02:45:10,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2021-11-23 02:45:10,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2021-11-23 02:45:10,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2021-11-23 02:45:10,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2021-11-23 02:45:10,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 26 remaining) [2021-11-23 02:45:10,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2021-11-23 02:45:10,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2021-11-23 02:45:10,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2021-11-23 02:45:10,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2021-11-23 02:45:10,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2021-11-23 02:45:10,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2021-11-23 02:45:10,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2021-11-23 02:45:10,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2021-11-23 02:45:10,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2021-11-23 02:45:10,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2021-11-23 02:45:10,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2021-11-23 02:45:10,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2021-11-23 02:45:10,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2021-11-23 02:45:10,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2021-11-23 02:45:10,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-23 02:45:10,631 INFO L732 BasicCegarLoop]: Path program histogram: [23, 22, 10, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:45:10,637 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 02:45:10,637 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:45:10,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:45:10 BasicIcfg [2021-11-23 02:45:10,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:45:10,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:45:10,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:45:10,726 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:45:10,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:02" (3/4) ... [2021-11-23 02:45:10,729 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:45:10,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:45:10,729 INFO L158 Benchmark]: Toolchain (without parser) took 610088.14ms. Allocated memory was 102.8MB in the beginning and 184.5MB in the end (delta: 81.8MB). Free memory was 58.9MB in the beginning and 104.0MB in the end (delta: -45.1MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2021-11-23 02:45:10,730 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:45:10,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 993.14ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 49.3MB in the end (delta: 9.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 02:45:10,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.40ms. Allocated memory is still 102.8MB. Free memory was 49.3MB in the beginning and 45.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:45:10,730 INFO L158 Benchmark]: Boogie Preprocessor took 95.89ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 45.7MB in the beginning and 99.4MB in the end (delta: -53.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 02:45:10,731 INFO L158 Benchmark]: RCFGBuilder took 958.79ms. Allocated memory is still 123.7MB. Free memory was 99.4MB in the beginning and 78.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 02:45:10,731 INFO L158 Benchmark]: TraceAbstraction took 607934.95ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 78.4MB in the beginning and 105.0MB in the end (delta: -26.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-11-23 02:45:10,731 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 184.5MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:45:10,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 993.14ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 49.3MB in the end (delta: 9.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.40ms. Allocated memory is still 102.8MB. Free memory was 49.3MB in the beginning and 45.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.89ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 45.7MB in the beginning and 99.4MB in the end (delta: -53.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 958.79ms. Allocated memory is still 123.7MB. Free memory was 99.4MB in the beginning and 78.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 607934.95ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 78.4MB in the beginning and 105.0MB in the end (delta: -26.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 184.5MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 457.7s, 211 PlacesBefore, 72 PlacesAfterwards, 207 TransitionsBefore, 68 TransitionsAfterwards, 4288 CoEnabledTransitionPairs, 21 FixpointIterations, 139 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 219 TotalNumberOfCompositions, 60039 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12164, positive: 9914, positive conditional: 0, positive unconditional: 9914, negative: 2250, negative conditional: 0, negative unconditional: 2250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3098, positive: 2946, positive conditional: 0, positive unconditional: 2946, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3098, positive: 2423, positive conditional: 0, positive unconditional: 2423, negative: 675, negative conditional: 0, negative unconditional: 675, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 675, positive: 523, positive conditional: 0, positive unconditional: 523, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 856, positive: 463, positive conditional: 0, positive unconditional: 463, negative: 392, negative conditional: 0, negative unconditional: 392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12164, positive: 6968, positive conditional: 0, positive unconditional: 6968, negative: 2098, negative conditional: 0, negative unconditional: 2098, unknown: 3098, unknown conditional: 0, unknown unconditional: 3098] , Statistics on independence cache: Total cache size (in pairs): 488, Positive cache size: 396, Positive conditional cache size: 0, Positive unconditional cache size: 396, Negative cache size: 92, Negative conditional cache size: 0, Negative unconditional cache size: 92 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1253]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A; [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1245] 0 pthread_t t1; [L1246] 0 struct s *p = malloc(sizeof(struct s)); [L1247] CALL 0 init(p,9) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1247] RET 0 init(p,9) [L1248] 0 A = malloc(sizeof(struct s)) [L1249] 0 init(A,3) [L1249] CALL 0 init(A,3) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1249] RET 0 init(A,3) [L1250] EXPR 0 A->next [L1250] 0 A->next = p [L1251] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1253] EXPR 0 A->next VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1234] 1 struct s *p = malloc(sizeof(struct s)); [L1235] 1 struct s *t; [L1236] CALL 1 init(p,7) [L1228] 1 p -> datum = x VAL [\old(x)=7, \old(x)=3, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={11:0}, p={-3:0}, p={11:0}, p={-3:0}, p -> datum = x=102, x=3, x=7] [L1253] EXPR 0 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1253] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1228] 1 p -> datum = x VAL [\old(x)=7, \old(x)=3, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, p={11:0}, p={11:0}, x=3, x=7] [L1229] 1 p -> next = ((void *)0) [L1236] RET 1 init(p,7) [L1238] EXPR 1 A->next [L1238] 1 t = A->next [L1239] EXPR 1 A->next [L1239] 1 A->next = p VAL [A={11:0}, A->next = p=115, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}, t={-2:0}] [L1253] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: A->next = p [1250] * C: p -> datum = x [1228] * C: A->next = p [1250] * C: p -> datum = x [1228] * C: A->next = p [1250] * C: p -> next = ((void *)0) [1229] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: A->next = p [1250] * C: A->next = p [1239] * C: p -> next = ((void *)0) [1229] * C: A = malloc(sizeof(struct s)) [1248] and C: p = A->next [1253] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 277 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 607.6s, OverallIterations: 71, TraceHistogramMax: 1, PathProgramHistogramMax: 23, EmptinessCheckTime: 0.1s, AutomataDifference: 131.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 457.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14600 SdHoareTripleChecker+Valid, 111.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14600 mSDsluCounter, 8905 SdHoareTripleChecker+Invalid, 99.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16207 mSDsCounter, 6491 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89076 IncrementalHoareTripleChecker+Invalid, 95567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6491 mSolverCounterUnsat, 2691 mSDtfsCounter, 89076 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1639 GetRequests, 5 SyntacticMatches, 36 SemanticMatches, 1598 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8515 ImplicationChecksByTransitivity, 25.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1290occurred in iteration=37, InterpolantAutomatonStates: 1424, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 70 MinimizatonAttempts, 43386 StatesRemovedByMinimization, 68 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 1348 NumberOfCodeBlocks, 1348 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 1248 ConstructedInterpolants, 0 QuantifiedInterpolants, 23278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 70 InterpolantComputations, 70 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 02:45:10,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c646e9-fc92-417c-87a8-cfb00ffb22ea/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE