./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF --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 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:30:49,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:30:49,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:30:49,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:30:49,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:30:49,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:30:49,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:30:49,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:30:49,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:30:49,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:30:49,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:30:49,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:30:49,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:30:49,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:30:49,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:30:49,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:30:49,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:30:49,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:30:49,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:30:49,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:30:49,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:30:49,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:30:49,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:30:49,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:30:49,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:30:49,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:30:49,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:30:49,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:30:49,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:30:49,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:30:49,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:30:49,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:30:49,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:30:49,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:30:49,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:30:49,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:30:49,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:30:49,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:30:49,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:30:49,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:30:49,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:30:49,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-13 01:30:49,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:30:49,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:30:49,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:30:49,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:30:49,362 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:30:49,363 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:30:49,363 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:30:49,363 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:30:49,363 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:30:49,364 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:30:49,364 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:30:49,364 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:30:49,364 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:30:49,364 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:30:49,365 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:30:49,365 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:30:49,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:30:49,366 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:30:49,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:30:49,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:30:49,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:30:49,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:30:49,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:30:49,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:30:49,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:30:49,367 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 01:30:49,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:30:49,368 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:30:49,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:30:49,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:30:49,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:30:49,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:30:49,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:30:49,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:30:49,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:30:49,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:30:49,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:30:49,370 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:30:49,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:30:49,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:30:49,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:30:49,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:30:49,371 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_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2021-11-13 01:30:49,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:30:49,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:30:49,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:30:49,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:30:49,695 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:30:49,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2021-11-13 01:30:49,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/data/addd93bd6/90eb3008844a48da854ee44e3933360b/FLAG4effd6b45 [2021-11-13 01:30:50,325 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:30:50,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2021-11-13 01:30:50,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/data/addd93bd6/90eb3008844a48da854ee44e3933360b/FLAG4effd6b45 [2021-11-13 01:30:50,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/data/addd93bd6/90eb3008844a48da854ee44e3933360b [2021-11-13 01:30:50,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:30:50,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:30:50,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:30:50,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:30:50,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:30:50,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:30:50" (1/1) ... [2021-11-13 01:30:50,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9ef8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:50, skipping insertion in model container [2021-11-13 01:30:50,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:30:50" (1/1) ... [2021-11-13 01:30:50,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:30:50,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:30:51,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:30:51,311 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:30:51,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:30:51,503 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:30:51,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51 WrapperNode [2021-11-13 01:30:51,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:30:51,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:30:51,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:30:51,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:30:51,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:30:51,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:30:51,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:30:51,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:30:51,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:30:51,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:30:51,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:30:51,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:30:51,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (1/1) ... [2021-11-13 01:30:51,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:30:51,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:30:51,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:30:51,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:30:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:30:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:30:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:30:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:30:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:30:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 01:30:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:30:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:30:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 01:30:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 01:30:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:30:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:30:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:30:51,779 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 01:30:52,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:30:52,430 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 01:30:52,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:30:52 BoogieIcfgContainer [2021-11-13 01:30:52,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:30:52,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:30:52,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:30:52,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:30:52,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:30:50" (1/3) ... [2021-11-13 01:30:52,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267a0837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:30:52, skipping insertion in model container [2021-11-13 01:30:52,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:30:51" (2/3) ... [2021-11-13 01:30:52,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267a0837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:30:52, skipping insertion in model container [2021-11-13 01:30:52,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:30:52" (3/3) ... [2021-11-13 01:30:52,440 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2021-11-13 01:30:52,445 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 01:30:52,445 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:30:52,446 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-13 01:30:52,446 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 01:30:52,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:30:52,541 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 01:30:52,592 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:30:52,599 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 [2021-11-13 01:30:52,600 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-11-13 01:30:52,629 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-13 01:30:52,647 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 208 transitions, 421 flow [2021-11-13 01:30:52,655 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 208 transitions, 421 flow [2021-11-13 01:30:52,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 208 transitions, 421 flow [2021-11-13 01:30:52,776 INFO L129 PetriNetUnfolder]: 0/207 cut-off events. [2021-11-13 01:30:52,776 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 01:30:52,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 207 events. 0/207 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. 0/189 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-13 01:30:52,786 INFO L116 LiptonReduction]: Number of co-enabled transitions 4288 [2021-11-13 01:33:40,904 WARN L227 SmtUtils]: Spent 2.14m on a formula simplification. DAG size of input: 205 DAG size of output: 203 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:34:30,337 WARN L227 SmtUtils]: Spent 49.43s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:35:36,890 WARN L227 SmtUtils]: Spent 1.11m on a formula simplification. DAG size of input: 205 DAG size of output: 203 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:35:56,927 WARN L227 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:36:15,852 WARN L227 SmtUtils]: Spent 18.87s on a formula simplification that was a NOOP. DAG size: 293 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:36:33,803 WARN L227 SmtUtils]: Spent 17.95s on a formula simplification that was a NOOP. DAG size: 273 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:36:57,639 WARN L227 SmtUtils]: Spent 23.83s on a formula simplification that was a NOOP. DAG size: 293 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:37:04,735 WARN L227 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 273 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:37:05,055 INFO L131 LiptonReduction]: Checked pairs total: 59788 [2021-11-13 01:37:05,056 INFO L133 LiptonReduction]: Total number of compositions: 216 [2021-11-13 01:37:05,070 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 68 transitions, 141 flow [2021-11-13 01:37:05,149 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) [2021-11-13 01:37:05,158 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) [2021-11-13 01:37:05,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-13 01:37:05,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:05,165 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-13 01:37:05,165 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:05,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:05,171 INFO L85 PathProgramCache]: Analyzing trace with hash 706, now seen corresponding path program 1 times [2021-11-13 01:37:05,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:05,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508329477] [2021-11-13 01:37:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:05,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:05,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:05,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508329477] [2021-11-13 01:37:05,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508329477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:05,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:05,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-13 01:37:05,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797644580] [2021-11-13 01:37:05,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:05,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:37:05,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:05,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:37:05,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:37:05,350 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) [2021-11-13 01:37:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:05,470 INFO L93 Difference]: Finished difference Result 680 states and 1302 transitions. [2021-11-13 01:37:05,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:37:05,473 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 [2021-11-13 01:37:05,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:05,491 INFO L225 Difference]: With dead ends: 680 [2021-11-13 01:37:05,492 INFO L226 Difference]: Without dead ends: 680 [2021-11-13 01:37:05,492 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 [2021-11-13 01:37:05,496 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.79ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:05,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 23 Unknown, 0 Unchecked, 1.05ms Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 76.79ms Time] [2021-11-13 01:37:05,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-11-13 01:37:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2021-11-13 01:37:05,573 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) [2021-11-13 01:37:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1302 transitions. [2021-11-13 01:37:05,581 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1302 transitions. Word has length 1 [2021-11-13 01:37:05,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:05,581 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1302 transitions. [2021-11-13 01:37:05,582 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) [2021-11-13 01:37:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1302 transitions. [2021-11-13 01:37:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:37:05,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:05,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:05,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:37:05,584 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)] === [2021-11-13 01:37:05,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:05,585 INFO L85 PathProgramCache]: Analyzing trace with hash 418982487, now seen corresponding path program 1 times [2021-11-13 01:37:05,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:05,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555225760] [2021-11-13 01:37:05,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:05,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:05,951 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:05,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555225760] [2021-11-13 01:37:05,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555225760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:05,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:05,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:37:05,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827232818] [2021-11-13 01:37:05,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:05,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:05,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:05,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:05,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:05,955 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) [2021-11-13 01:37:06,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:06,703 INFO L93 Difference]: Finished difference Result 1208 states and 2300 transitions. [2021-11-13 01:37:06,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:37:06,704 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 [2021-11-13 01:37:06,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:06,714 INFO L225 Difference]: With dead ends: 1208 [2021-11-13 01:37:06,715 INFO L226 Difference]: Without dead ends: 1208 [2021-11-13 01:37:06,715 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 [2021-11-13 01:37:06,717 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 105 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 586.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.28ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 700.53ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:06,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 21 Invalid, 476 Unknown, 0 Unchecked, 6.28ms Time], IncrementalHoareTripleChecker [64 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 700.53ms Time] [2021-11-13 01:37:06,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2021-11-13 01:37:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 786. [2021-11-13 01:37:06,758 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) [2021-11-13 01:37:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1514 transitions. [2021-11-13 01:37:06,763 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1514 transitions. Word has length 9 [2021-11-13 01:37:06,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:06,763 INFO L470 AbstractCegarLoop]: Abstraction has 786 states and 1514 transitions. [2021-11-13 01:37:06,764 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) [2021-11-13 01:37:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1514 transitions. [2021-11-13 01:37:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:37:06,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:06,765 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:06,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 01:37:06,766 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)] === [2021-11-13 01:37:06,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:06,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1603782177, now seen corresponding path program 1 times [2021-11-13 01:37:06,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:06,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704140573] [2021-11-13 01:37:06,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:06,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:06,920 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:06,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704140573] [2021-11-13 01:37:06,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704140573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:06,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:06,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:37:06,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186490138] [2021-11-13 01:37:06,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:06,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:06,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:06,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:06,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:06,923 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) [2021-11-13 01:37:07,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:07,426 INFO L93 Difference]: Finished difference Result 860 states and 1657 transitions. [2021-11-13 01:37:07,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:37:07,427 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 [2021-11-13 01:37:07,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:07,434 INFO L225 Difference]: With dead ends: 860 [2021-11-13 01:37:07,434 INFO L226 Difference]: Without dead ends: 860 [2021-11-13 01:37:07,434 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 [2021-11-13 01:37:07,436 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 37 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 416.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.88ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 479.73ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:07,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 29 Invalid, 328 Unknown, 0 Unchecked, 2.88ms Time], IncrementalHoareTripleChecker [6 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 479.73ms Time] [2021-11-13 01:37:07,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2021-11-13 01:37:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 842. [2021-11-13 01:37:07,462 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) [2021-11-13 01:37:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1622 transitions. [2021-11-13 01:37:07,467 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1622 transitions. Word has length 9 [2021-11-13 01:37:07,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:07,467 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1622 transitions. [2021-11-13 01:37:07,468 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) [2021-11-13 01:37:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1622 transitions. [2021-11-13 01:37:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 01:37:07,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:07,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:07,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 01:37:07,470 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)] === [2021-11-13 01:37:07,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:07,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1905607670, now seen corresponding path program 1 times [2021-11-13 01:37:07,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:07,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40733925] [2021-11-13 01:37:07,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:07,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:07,711 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:07,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40733925] [2021-11-13 01:37:07,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40733925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:07,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:07,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 01:37:07,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188700392] [2021-11-13 01:37:07,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:07,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:07,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:07,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:07,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:07,714 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) [2021-11-13 01:37:08,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:08,558 INFO L93 Difference]: Finished difference Result 872 states and 1647 transitions. [2021-11-13 01:37:08,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:37:08,558 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 [2021-11-13 01:37:08,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:08,565 INFO L225 Difference]: With dead ends: 872 [2021-11-13 01:37:08,565 INFO L226 Difference]: Without dead ends: 872 [2021-11-13 01:37:08,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:37:08,567 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 193 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 628.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.41ms SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 737.01ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:08,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 53 Invalid, 706 Unknown, 0 Unchecked, 5.41ms Time], IncrementalHoareTripleChecker [55 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 737.01ms Time] [2021-11-13 01:37:08,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-11-13 01:37:08,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 804. [2021-11-13 01:37:08,592 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) [2021-11-13 01:37:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1546 transitions. [2021-11-13 01:37:08,597 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1546 transitions. Word has length 12 [2021-11-13 01:37:08,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:08,597 INFO L470 AbstractCegarLoop]: Abstraction has 804 states and 1546 transitions. [2021-11-13 01:37:08,598 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) [2021-11-13 01:37:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1546 transitions. [2021-11-13 01:37:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 01:37:08,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:08,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:08,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 01:37:08,600 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)] === [2021-11-13 01:37:08,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:08,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2022157281, now seen corresponding path program 1 times [2021-11-13 01:37:08,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:08,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958849029] [2021-11-13 01:37:08,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:08,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:08,754 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:08,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958849029] [2021-11-13 01:37:08,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958849029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:08,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:08,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 01:37:08,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861677049] [2021-11-13 01:37:08,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:08,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:08,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:08,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:08,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:08,757 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) [2021-11-13 01:37:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:10,449 INFO L93 Difference]: Finished difference Result 1070 states and 2006 transitions. [2021-11-13 01:37:10,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 01:37:10,450 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 [2021-11-13 01:37:10,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:10,459 INFO L225 Difference]: With dead ends: 1070 [2021-11-13 01:37:10,460 INFO L226 Difference]: Without dead ends: 1070 [2021-11-13 01:37:10,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:37:10,463 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 252 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1157.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.00ms SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1379.65ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:10,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 18 Invalid, 1197 Unknown, 0 Unchecked, 7.00ms Time], IncrementalHoareTripleChecker [193 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 1379.65ms Time] [2021-11-13 01:37:10,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-11-13 01:37:10,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 727. [2021-11-13 01:37:10,492 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) [2021-11-13 01:37:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1395 transitions. [2021-11-13 01:37:10,497 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1395 transitions. Word has length 12 [2021-11-13 01:37:10,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:10,497 INFO L470 AbstractCegarLoop]: Abstraction has 727 states and 1395 transitions. [2021-11-13 01:37:10,498 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) [2021-11-13 01:37:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1395 transitions. [2021-11-13 01:37:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 01:37:10,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:10,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:10,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 01:37:10,505 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:10,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:10,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1537226420, now seen corresponding path program 1 times [2021-11-13 01:37:10,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:10,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461460917] [2021-11-13 01:37:10,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:10,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:10,666 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:10,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461460917] [2021-11-13 01:37:10,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461460917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:10,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:10,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:37:10,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171169218] [2021-11-13 01:37:10,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:10,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:10,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:10,669 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) [2021-11-13 01:37:11,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:11,389 INFO L93 Difference]: Finished difference Result 964 states and 1825 transitions. [2021-11-13 01:37:11,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:37:11,389 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 [2021-11-13 01:37:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:11,398 INFO L225 Difference]: With dead ends: 964 [2021-11-13 01:37:11,398 INFO L226 Difference]: Without dead ends: 938 [2021-11-13 01:37:11,398 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 [2021-11-13 01:37:11,402 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 73 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 589.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.57ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 695.62ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:11,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 29 Invalid, 488 Unknown, 0 Unchecked, 3.57ms Time], IncrementalHoareTripleChecker [23 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 695.62ms Time] [2021-11-13 01:37:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2021-11-13 01:37:11,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 833. [2021-11-13 01:37:11,435 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) [2021-11-13 01:37:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1601 transitions. [2021-11-13 01:37:11,440 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1601 transitions. Word has length 15 [2021-11-13 01:37:11,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:11,441 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1601 transitions. [2021-11-13 01:37:11,441 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) [2021-11-13 01:37:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1601 transitions. [2021-11-13 01:37:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 01:37:11,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:11,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:11,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 01:37:11,444 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:11,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:11,446 INFO L85 PathProgramCache]: Analyzing trace with hash 271113578, now seen corresponding path program 1 times [2021-11-13 01:37:11,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:11,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027395120] [2021-11-13 01:37:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:11,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:11,599 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:11,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027395120] [2021-11-13 01:37:11,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027395120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:11,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:11,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:37:11,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100087867] [2021-11-13 01:37:11,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:11,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:11,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:11,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:11,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:11,602 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) [2021-11-13 01:37:11,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:11,961 INFO L93 Difference]: Finished difference Result 885 states and 1701 transitions. [2021-11-13 01:37:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:37:11,962 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 [2021-11-13 01:37:11,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:11,969 INFO L225 Difference]: With dead ends: 885 [2021-11-13 01:37:11,969 INFO L226 Difference]: Without dead ends: 885 [2021-11-13 01:37:11,970 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 [2021-11-13 01:37:11,971 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 32 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 298.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 345.91ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:11,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 30 Invalid, 216 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [5 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 345.91ms Time] [2021-11-13 01:37:11,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-11-13 01:37:11,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 885. [2021-11-13 01:37:12,000 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) [2021-11-13 01:37:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1701 transitions. [2021-11-13 01:37:12,005 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1701 transitions. Word has length 15 [2021-11-13 01:37:12,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:12,005 INFO L470 AbstractCegarLoop]: Abstraction has 885 states and 1701 transitions. [2021-11-13 01:37:12,005 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) [2021-11-13 01:37:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1701 transitions. [2021-11-13 01:37:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:12,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:12,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:12,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 01:37:12,008 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:12,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:12,008 INFO L85 PathProgramCache]: Analyzing trace with hash 621313479, now seen corresponding path program 1 times [2021-11-13 01:37:12,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:12,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783523128] [2021-11-13 01:37:12,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:12,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:12,220 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:12,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783523128] [2021-11-13 01:37:12,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783523128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:12,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:12,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 01:37:12,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732418854] [2021-11-13 01:37:12,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:12,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:12,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:12,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:12,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:12,224 INFO L87 Difference]: Start difference. First operand 885 states and 1701 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) [2021-11-13 01:37:13,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:13,095 INFO L93 Difference]: Finished difference Result 911 states and 1720 transitions. [2021-11-13 01:37:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:37:13,096 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 [2021-11-13 01:37:13,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:13,102 INFO L225 Difference]: With dead ends: 911 [2021-11-13 01:37:13,103 INFO L226 Difference]: Without dead ends: 911 [2021-11-13 01:37:13,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:37:13,104 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 167 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 579.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.52ms SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 678.31ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:13,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 48 Invalid, 652 Unknown, 0 Unchecked, 3.52ms Time], IncrementalHoareTripleChecker [61 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 678.31ms Time] [2021-11-13 01:37:13,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-11-13 01:37:13,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 855. [2021-11-13 01:37:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 843 states have (on average 1.9466192170818506) internal successors, (1641), 854 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1641 transitions. [2021-11-13 01:37:13,149 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1641 transitions. Word has length 18 [2021-11-13 01:37:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:13,150 INFO L470 AbstractCegarLoop]: Abstraction has 855 states and 1641 transitions. [2021-11-13 01:37:13,150 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) [2021-11-13 01:37:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1641 transitions. [2021-11-13 01:37:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:13,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:13,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:13,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 01:37:13,151 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:13,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:13,152 INFO L85 PathProgramCache]: Analyzing trace with hash -876373173, now seen corresponding path program 1 times [2021-11-13 01:37:13,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:13,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231811335] [2021-11-13 01:37:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:13,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:13,695 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:13,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231811335] [2021-11-13 01:37:13,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231811335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:13,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:13,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:13,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242509272] [2021-11-13 01:37:13,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:13,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:13,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:13,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:13,697 INFO L87 Difference]: Start difference. First operand 855 states and 1641 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) [2021-11-13 01:37:14,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:14,956 INFO L93 Difference]: Finished difference Result 913 states and 1735 transitions. [2021-11-13 01:37:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:37:14,957 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 [2021-11-13 01:37:14,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:14,963 INFO L225 Difference]: With dead ends: 913 [2021-11-13 01:37:14,963 INFO L226 Difference]: Without dead ends: 913 [2021-11-13 01:37:14,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:37:14,964 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 147 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 856.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.96ms SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1005.24ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:14,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 62 Invalid, 994 Unknown, 0 Unchecked, 3.96ms Time], IncrementalHoareTripleChecker [84 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1005.24ms Time] [2021-11-13 01:37:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2021-11-13 01:37:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 866. [2021-11-13 01:37:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 854 states have (on average 1.9473067915690867) internal successors, (1663), 865 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1663 transitions. [2021-11-13 01:37:14,992 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1663 transitions. Word has length 18 [2021-11-13 01:37:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:14,993 INFO L470 AbstractCegarLoop]: Abstraction has 866 states and 1663 transitions. [2021-11-13 01:37:14,993 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) [2021-11-13 01:37:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1663 transitions. [2021-11-13 01:37:14,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:14,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:14,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:14,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 01:37:14,995 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:14,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:14,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1841788253, now seen corresponding path program 2 times [2021-11-13 01:37:14,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:14,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552869614] [2021-11-13 01:37:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:14,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:15,444 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:15,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552869614] [2021-11-13 01:37:15,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552869614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:15,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:15,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:15,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032017077] [2021-11-13 01:37:15,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:15,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:15,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:15,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:15,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:15,446 INFO L87 Difference]: Start difference. First operand 866 states and 1663 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) [2021-11-13 01:37:16,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:16,873 INFO L93 Difference]: Finished difference Result 933 states and 1774 transitions. [2021-11-13 01:37:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:37:16,873 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 [2021-11-13 01:37:16,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:16,879 INFO L225 Difference]: With dead ends: 933 [2021-11-13 01:37:16,879 INFO L226 Difference]: Without dead ends: 933 [2021-11-13 01:37:16,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:37:16,880 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 142 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 926.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.11ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1094.78ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:16,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 62 Invalid, 1132 Unknown, 0 Unchecked, 4.11ms Time], IncrementalHoareTripleChecker [85 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 1094.78ms Time] [2021-11-13 01:37:16,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2021-11-13 01:37:16,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 872. [2021-11-13 01:37:16,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 860 states have (on average 1.947674418604651) internal successors, (1675), 871 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:16,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1675 transitions. [2021-11-13 01:37:16,909 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1675 transitions. Word has length 18 [2021-11-13 01:37:16,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:16,910 INFO L470 AbstractCegarLoop]: Abstraction has 872 states and 1675 transitions. [2021-11-13 01:37:16,910 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) [2021-11-13 01:37:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1675 transitions. [2021-11-13 01:37:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:16,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:16,911 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:16,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 01:37:16,912 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:16,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:16,913 INFO L85 PathProgramCache]: Analyzing trace with hash 167658035, now seen corresponding path program 3 times [2021-11-13 01:37:16,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:16,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961717823] [2021-11-13 01:37:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:16,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:17,428 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:17,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961717823] [2021-11-13 01:37:17,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961717823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:17,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:17,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:17,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966117058] [2021-11-13 01:37:17,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:17,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:17,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:17,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:17,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:17,430 INFO L87 Difference]: Start difference. First operand 872 states and 1675 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) [2021-11-13 01:37:19,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:19,142 INFO L93 Difference]: Finished difference Result 945 states and 1797 transitions. [2021-11-13 01:37:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:37:19,142 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 [2021-11-13 01:37:19,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:19,149 INFO L225 Difference]: With dead ends: 945 [2021-11-13 01:37:19,149 INFO L226 Difference]: Without dead ends: 945 [2021-11-13 01:37:19,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2021-11-13 01:37:19,150 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 147 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1141.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.41ms SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1324.32ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:19,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 62 Invalid, 1336 Unknown, 0 Unchecked, 3.41ms Time], IncrementalHoareTripleChecker [87 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 1324.32ms Time] [2021-11-13 01:37:19,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2021-11-13 01:37:19,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 880. [2021-11-13 01:37:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 868 states have (on average 1.9481566820276497) internal successors, (1691), 879 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1691 transitions. [2021-11-13 01:37:19,180 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1691 transitions. Word has length 18 [2021-11-13 01:37:19,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:19,181 INFO L470 AbstractCegarLoop]: Abstraction has 880 states and 1691 transitions. [2021-11-13 01:37:19,181 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) [2021-11-13 01:37:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1691 transitions. [2021-11-13 01:37:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:19,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:19,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:19,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 01:37:19,183 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:19,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:19,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1394991315, now seen corresponding path program 4 times [2021-11-13 01:37:19,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:19,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151028337] [2021-11-13 01:37:19,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:19,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:19,682 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:19,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151028337] [2021-11-13 01:37:19,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151028337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:19,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:19,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:19,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108457841] [2021-11-13 01:37:19,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:19,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:19,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:19,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:19,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:19,685 INFO L87 Difference]: Start difference. First operand 880 states and 1691 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) [2021-11-13 01:37:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:20,931 INFO L93 Difference]: Finished difference Result 958 states and 1823 transitions. [2021-11-13 01:37:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:37:20,931 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 [2021-11-13 01:37:20,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:20,936 INFO L225 Difference]: With dead ends: 958 [2021-11-13 01:37:20,937 INFO L226 Difference]: Without dead ends: 958 [2021-11-13 01:37:20,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:37:20,938 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 128 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 793.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.83ms SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 914.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:20,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 62 Invalid, 1019 Unknown, 0 Unchecked, 2.83ms Time], IncrementalHoareTripleChecker [82 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 914.84ms Time] [2021-11-13 01:37:20,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-11-13 01:37:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 892. [2021-11-13 01:37:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 880 states have (on average 1.9488636363636365) internal successors, (1715), 891 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1715 transitions. [2021-11-13 01:37:20,966 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1715 transitions. Word has length 18 [2021-11-13 01:37:20,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:20,966 INFO L470 AbstractCegarLoop]: Abstraction has 892 states and 1715 transitions. [2021-11-13 01:37:20,966 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) [2021-11-13 01:37:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1715 transitions. [2021-11-13 01:37:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:20,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:20,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:20,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-13 01:37:20,968 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:20,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:20,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1225845763, now seen corresponding path program 5 times [2021-11-13 01:37:20,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:20,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783438050] [2021-11-13 01:37:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:20,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:21,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:21,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783438050] [2021-11-13 01:37:21,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783438050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:21,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:21,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:21,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913960879] [2021-11-13 01:37:21,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:21,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:21,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:21,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:21,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:21,472 INFO L87 Difference]: Start difference. First operand 892 states and 1715 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) [2021-11-13 01:37:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:22,907 INFO L93 Difference]: Finished difference Result 984 states and 1873 transitions. [2021-11-13 01:37:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:37:22,907 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 [2021-11-13 01:37:22,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:22,912 INFO L225 Difference]: With dead ends: 984 [2021-11-13 01:37:22,912 INFO L226 Difference]: Without dead ends: 984 [2021-11-13 01:37:22,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2021-11-13 01:37:22,913 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 133 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 912.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1057.55ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:22,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 62 Invalid, 1193 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [85 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 1057.55ms Time] [2021-11-13 01:37:22,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2021-11-13 01:37:22,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 886. [2021-11-13 01:37:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 874 states have (on average 1.948512585812357) internal successors, (1703), 885 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1703 transitions. [2021-11-13 01:37:22,941 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1703 transitions. Word has length 18 [2021-11-13 01:37:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:22,941 INFO L470 AbstractCegarLoop]: Abstraction has 886 states and 1703 transitions. [2021-11-13 01:37:22,942 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) [2021-11-13 01:37:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1703 transitions. [2021-11-13 01:37:22,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:22,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:22,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:22,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-13 01:37:22,943 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)] === [2021-11-13 01:37:22,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:22,944 INFO L85 PathProgramCache]: Analyzing trace with hash 670873261, now seen corresponding path program 6 times [2021-11-13 01:37:22,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:22,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352467446] [2021-11-13 01:37:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:22,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:23,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:23,310 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:23,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352467446] [2021-11-13 01:37:23,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352467446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:23,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:23,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:23,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592636658] [2021-11-13 01:37:23,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:23,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:23,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:23,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:23,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:23,312 INFO L87 Difference]: Start difference. First operand 886 states and 1703 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) [2021-11-13 01:37:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:24,909 INFO L93 Difference]: Finished difference Result 977 states and 1859 transitions. [2021-11-13 01:37:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:37:24,910 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 [2021-11-13 01:37:24,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:24,915 INFO L225 Difference]: With dead ends: 977 [2021-11-13 01:37:24,916 INFO L226 Difference]: Without dead ends: 977 [2021-11-13 01:37:24,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:37:24,917 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 136 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1004.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.17ms SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1163.69ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:24,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 62 Invalid, 1284 Unknown, 0 Unchecked, 3.17ms Time], IncrementalHoareTripleChecker [104 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1163.69ms Time] [2021-11-13 01:37:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-11-13 01:37:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 894. [2021-11-13 01:37:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 882 states have (on average 1.9489795918367347) internal successors, (1719), 893 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1719 transitions. [2021-11-13 01:37:24,943 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1719 transitions. Word has length 18 [2021-11-13 01:37:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:24,944 INFO L470 AbstractCegarLoop]: Abstraction has 894 states and 1719 transitions. [2021-11-13 01:37:24,944 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) [2021-11-13 01:37:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1719 transitions. [2021-11-13 01:37:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:24,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:24,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:24,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-13 01:37:24,946 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)] === [2021-11-13 01:37:24,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1024876037, now seen corresponding path program 7 times [2021-11-13 01:37:24,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:24,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950768048] [2021-11-13 01:37:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:24,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:25,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:25,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950768048] [2021-11-13 01:37:25,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950768048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:25,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:25,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:25,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043534488] [2021-11-13 01:37:25,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:25,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:25,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:25,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:25,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:25,427 INFO L87 Difference]: Start difference. First operand 894 states and 1719 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) [2021-11-13 01:37:26,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:26,736 INFO L93 Difference]: Finished difference Result 983 states and 1872 transitions. [2021-11-13 01:37:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:37:26,737 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 [2021-11-13 01:37:26,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:26,741 INFO L225 Difference]: With dead ends: 983 [2021-11-13 01:37:26,742 INFO L226 Difference]: Without dead ends: 983 [2021-11-13 01:37:26,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:37:26,743 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 119 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 856.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.86ms SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 991.55ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:26,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 62 Invalid, 1155 Unknown, 0 Unchecked, 2.86ms Time], IncrementalHoareTripleChecker [78 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 991.55ms Time] [2021-11-13 01:37:26,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2021-11-13 01:37:26,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 912. [2021-11-13 01:37:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 900 states have (on average 1.95) internal successors, (1755), 911 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1755 transitions. [2021-11-13 01:37:26,773 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1755 transitions. Word has length 18 [2021-11-13 01:37:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:26,773 INFO L470 AbstractCegarLoop]: Abstraction has 912 states and 1755 transitions. [2021-11-13 01:37:26,773 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) [2021-11-13 01:37:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1755 transitions. [2021-11-13 01:37:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:26,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:26,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:26,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-13 01:37:26,775 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)] === [2021-11-13 01:37:26,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1595961041, now seen corresponding path program 8 times [2021-11-13 01:37:26,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:26,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24784847] [2021-11-13 01:37:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:26,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:27,251 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:27,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24784847] [2021-11-13 01:37:27,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24784847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:27,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:27,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:27,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671938102] [2021-11-13 01:37:27,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:27,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:27,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:27,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:27,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:27,256 INFO L87 Difference]: Start difference. First operand 912 states and 1755 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) [2021-11-13 01:37:28,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:28,559 INFO L93 Difference]: Finished difference Result 1009 states and 1922 transitions. [2021-11-13 01:37:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:37:28,560 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 [2021-11-13 01:37:28,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:28,566 INFO L225 Difference]: With dead ends: 1009 [2021-11-13 01:37:28,566 INFO L226 Difference]: Without dead ends: 1009 [2021-11-13 01:37:28,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2021-11-13 01:37:28,568 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 130 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 815.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.73ms SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 941.96ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:28,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 62 Invalid, 1077 Unknown, 0 Unchecked, 2.73ms Time], IncrementalHoareTripleChecker [96 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 941.96ms Time] [2021-11-13 01:37:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2021-11-13 01:37:28,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 906. [2021-11-13 01:37:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 894 states have (on average 1.9496644295302012) internal successors, (1743), 905 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1743 transitions. [2021-11-13 01:37:28,598 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1743 transitions. Word has length 18 [2021-11-13 01:37:28,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:28,598 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1743 transitions. [2021-11-13 01:37:28,599 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) [2021-11-13 01:37:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1743 transitions. [2021-11-13 01:37:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:28,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:28,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:28,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-13 01:37:28,602 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)] === [2021-11-13 01:37:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1040988539, now seen corresponding path program 9 times [2021-11-13 01:37:28,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:28,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942289441] [2021-11-13 01:37:28,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:28,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:28,970 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:28,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942289441] [2021-11-13 01:37:28,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942289441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:28,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:28,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:28,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312232487] [2021-11-13 01:37:28,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:28,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:28,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:28,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:28,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:28,971 INFO L87 Difference]: Start difference. First operand 906 states and 1743 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) [2021-11-13 01:37:30,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:30,550 INFO L93 Difference]: Finished difference Result 1035 states and 1972 transitions. [2021-11-13 01:37:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:37:30,550 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 [2021-11-13 01:37:30,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:30,556 INFO L225 Difference]: With dead ends: 1035 [2021-11-13 01:37:30,556 INFO L226 Difference]: Without dead ends: 1035 [2021-11-13 01:37:30,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:37:30,557 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 128 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1005.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.26ms SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1160.04ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:30,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 62 Invalid, 1337 Unknown, 0 Unchecked, 3.26ms Time], IncrementalHoareTripleChecker [99 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1160.04ms Time] [2021-11-13 01:37:30,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2021-11-13 01:37:30,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 900. [2021-11-13 01:37:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 888 states have (on average 1.9493243243243243) internal successors, (1731), 899 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1731 transitions. [2021-11-13 01:37:30,584 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1731 transitions. Word has length 18 [2021-11-13 01:37:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:30,584 INFO L470 AbstractCegarLoop]: Abstraction has 900 states and 1731 transitions. [2021-11-13 01:37:30,584 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) [2021-11-13 01:37:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1731 transitions. [2021-11-13 01:37:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:30,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:30,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:30,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-13 01:37:30,586 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:30,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:30,587 INFO L85 PathProgramCache]: Analyzing trace with hash -781164719, now seen corresponding path program 10 times [2021-11-13 01:37:30,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:30,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796274521] [2021-11-13 01:37:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:30,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:30,912 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:30,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796274521] [2021-11-13 01:37:30,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796274521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:30,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:30,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:30,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845291438] [2021-11-13 01:37:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:30,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:30,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:30,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:30,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:30,914 INFO L87 Difference]: Start difference. First operand 900 states and 1731 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) [2021-11-13 01:37:32,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:32,233 INFO L93 Difference]: Finished difference Result 1009 states and 1921 transitions. [2021-11-13 01:37:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:37:32,234 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 [2021-11-13 01:37:32,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:32,238 INFO L225 Difference]: With dead ends: 1009 [2021-11-13 01:37:32,239 INFO L226 Difference]: Without dead ends: 1009 [2021-11-13 01:37:32,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:37:32,240 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 135 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 791.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.81ms SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 925.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:32,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 62 Invalid, 1157 Unknown, 0 Unchecked, 2.81ms Time], IncrementalHoareTripleChecker [107 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 925.06ms Time] [2021-11-13 01:37:32,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2021-11-13 01:37:32,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 908. [2021-11-13 01:37:32,262 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) [2021-11-13 01:37:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1747 transitions. [2021-11-13 01:37:32,265 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1747 transitions. Word has length 18 [2021-11-13 01:37:32,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:32,266 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 1747 transitions. [2021-11-13 01:37:32,266 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) [2021-11-13 01:37:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1747 transitions. [2021-11-13 01:37:32,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:32,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:32,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:32,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-13 01:37:32,268 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)] === [2021-11-13 01:37:32,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:32,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1166921619, now seen corresponding path program 11 times [2021-11-13 01:37:32,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:32,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337775117] [2021-11-13 01:37:32,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:32,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:32,692 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:32,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337775117] [2021-11-13 01:37:32,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337775117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:32,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:32,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:32,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993153385] [2021-11-13 01:37:32,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:32,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:32,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:32,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:32,695 INFO L87 Difference]: Start difference. First operand 908 states and 1747 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) [2021-11-13 01:37:33,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:33,721 INFO L93 Difference]: Finished difference Result 1219 states and 2340 transitions. [2021-11-13 01:37:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:37:33,722 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 [2021-11-13 01:37:33,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:33,727 INFO L225 Difference]: With dead ends: 1219 [2021-11-13 01:37:33,728 INFO L226 Difference]: Without dead ends: 1219 [2021-11-13 01:37:33,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:37:33,729 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 158 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 705.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.55ms SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 818.46ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:33,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 95 Invalid, 980 Unknown, 0 Unchecked, 2.55ms Time], IncrementalHoareTripleChecker [65 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 818.46ms Time] [2021-11-13 01:37:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2021-11-13 01:37:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 932. [2021-11-13 01:37:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 920 states have (on average 1.951086956521739) internal successors, (1795), 931 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1795 transitions. [2021-11-13 01:37:33,757 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1795 transitions. Word has length 18 [2021-11-13 01:37:33,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:33,758 INFO L470 AbstractCegarLoop]: Abstraction has 932 states and 1795 transitions. [2021-11-13 01:37:33,758 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) [2021-11-13 01:37:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1795 transitions. [2021-11-13 01:37:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:33,759 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:33,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:33,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-13 01:37:33,760 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)] === [2021-11-13 01:37:33,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:33,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1453915459, now seen corresponding path program 12 times [2021-11-13 01:37:33,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:33,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460499943] [2021-11-13 01:37:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:33,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:34,171 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:34,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460499943] [2021-11-13 01:37:34,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460499943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:34,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:34,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:34,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413477025] [2021-11-13 01:37:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:34,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:34,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:34,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:34,174 INFO L87 Difference]: Start difference. First operand 932 states and 1795 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) [2021-11-13 01:37:35,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:35,684 INFO L93 Difference]: Finished difference Result 1245 states and 2390 transitions. [2021-11-13 01:37:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:37:35,684 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 [2021-11-13 01:37:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:35,690 INFO L225 Difference]: With dead ends: 1245 [2021-11-13 01:37:35,690 INFO L226 Difference]: Without dead ends: 1245 [2021-11-13 01:37:35,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2021-11-13 01:37:35,691 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 160 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1065.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.53ms SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1241.05ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:35,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 95 Invalid, 1455 Unknown, 0 Unchecked, 3.53ms Time], IncrementalHoareTripleChecker [62 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 1241.05ms Time] [2021-11-13 01:37:35,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2021-11-13 01:37:35,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 926. [2021-11-13 01:37:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 914 states have (on average 1.950765864332604) internal successors, (1783), 925 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1783 transitions. [2021-11-13 01:37:35,722 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1783 transitions. Word has length 18 [2021-11-13 01:37:35,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:35,723 INFO L470 AbstractCegarLoop]: Abstraction has 926 states and 1783 transitions. [2021-11-13 01:37:35,723 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) [2021-11-13 01:37:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1783 transitions. [2021-11-13 01:37:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:35,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:35,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:35,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-13 01:37:35,725 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)] === [2021-11-13 01:37:35,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:35,725 INFO L85 PathProgramCache]: Analyzing trace with hash 898942957, now seen corresponding path program 13 times [2021-11-13 01:37:35,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:35,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100550932] [2021-11-13 01:37:35,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:35,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:36,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:36,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100550932] [2021-11-13 01:37:36,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100550932] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:36,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:36,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:36,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052981778] [2021-11-13 01:37:36,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:36,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:36,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:36,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:36,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:36,079 INFO L87 Difference]: Start difference. First operand 926 states and 1783 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) [2021-11-13 01:37:37,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:37,347 INFO L93 Difference]: Finished difference Result 1271 states and 2440 transitions. [2021-11-13 01:37:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:37:37,348 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 [2021-11-13 01:37:37,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:37,356 INFO L225 Difference]: With dead ends: 1271 [2021-11-13 01:37:37,356 INFO L226 Difference]: Without dead ends: 1271 [2021-11-13 01:37:37,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:37:37,358 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 164 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 856.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.15ms SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 999.16ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:37,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 95 Invalid, 1236 Unknown, 0 Unchecked, 3.15ms Time], IncrementalHoareTripleChecker [77 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 999.16ms Time] [2021-11-13 01:37:37,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2021-11-13 01:37:37,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 920. [2021-11-13 01:37:37,395 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) [2021-11-13 01:37:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1771 transitions. [2021-11-13 01:37:37,399 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1771 transitions. Word has length 18 [2021-11-13 01:37:37,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:37,399 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1771 transitions. [2021-11-13 01:37:37,399 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) [2021-11-13 01:37:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1771 transitions. [2021-11-13 01:37:37,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:37,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:37,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:37,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-13 01:37:37,401 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)] === [2021-11-13 01:37:37,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:37,402 INFO L85 PathProgramCache]: Analyzing trace with hash -923210301, now seen corresponding path program 14 times [2021-11-13 01:37:37,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:37,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440688577] [2021-11-13 01:37:37,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:37,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:37,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:37,761 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:37,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440688577] [2021-11-13 01:37:37,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440688577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:37,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:37,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:37,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934788217] [2021-11-13 01:37:37,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:37,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:37,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:37,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:37,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:37,764 INFO L87 Difference]: Start difference. First operand 920 states and 1771 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) [2021-11-13 01:37:39,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:39,180 INFO L93 Difference]: Finished difference Result 1297 states and 2490 transitions. [2021-11-13 01:37:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:37:39,180 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 [2021-11-13 01:37:39,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:39,185 INFO L225 Difference]: With dead ends: 1297 [2021-11-13 01:37:39,185 INFO L226 Difference]: Without dead ends: 1297 [2021-11-13 01:37:39,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:37:39,187 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 166 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 933.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.70ms SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1092.30ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:39,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 95 Invalid, 1387 Unknown, 0 Unchecked, 3.70ms Time], IncrementalHoareTripleChecker [80 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 1092.30ms Time] [2021-11-13 01:37:39,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2021-11-13 01:37:39,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 914. [2021-11-13 01:37:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 902 states have (on average 1.9501108647450112) internal successors, (1759), 913 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1759 transitions. [2021-11-13 01:37:39,216 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1759 transitions. Word has length 18 [2021-11-13 01:37:39,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:39,216 INFO L470 AbstractCegarLoop]: Abstraction has 914 states and 1759 transitions. [2021-11-13 01:37:39,217 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) [2021-11-13 01:37:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1759 transitions. [2021-11-13 01:37:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:39,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:39,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:39,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-13 01:37:39,218 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:39,219 INFO L85 PathProgramCache]: Analyzing trace with hash 585519789, now seen corresponding path program 15 times [2021-11-13 01:37:39,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:39,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792140097] [2021-11-13 01:37:39,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:39,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:39,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:39,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792140097] [2021-11-13 01:37:39,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792140097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:39,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:39,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:39,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828186046] [2021-11-13 01:37:39,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:39,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:39,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:39,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:39,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:39,501 INFO L87 Difference]: Start difference. First operand 914 states and 1759 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) [2021-11-13 01:37:40,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:40,788 INFO L93 Difference]: Finished difference Result 1679 states and 3203 transitions. [2021-11-13 01:37:40,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:37:40,789 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 [2021-11-13 01:37:40,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:40,794 INFO L225 Difference]: With dead ends: 1679 [2021-11-13 01:37:40,794 INFO L226 Difference]: Without dead ends: 1679 [2021-11-13 01:37:40,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:37:40,795 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 288 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 808.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.77ms SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 948.16ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:40,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 129 Invalid, 1046 Unknown, 0 Unchecked, 4.77ms Time], IncrementalHoareTripleChecker [81 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 948.16ms Time] [2021-11-13 01:37:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2021-11-13 01:37:40,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 921. [2021-11-13 01:37:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 909 states have (on average 1.9504950495049505) internal successors, (1773), 920 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1773 transitions. [2021-11-13 01:37:40,845 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1773 transitions. Word has length 18 [2021-11-13 01:37:40,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:40,846 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1773 transitions. [2021-11-13 01:37:40,847 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) [2021-11-13 01:37:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1773 transitions. [2021-11-13 01:37:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:40,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:40,848 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:40,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-13 01:37:40,848 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:40,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:40,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1842605534, now seen corresponding path program 1 times [2021-11-13 01:37:40,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:40,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024309525] [2021-11-13 01:37:40,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:40,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:41,057 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:41,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024309525] [2021-11-13 01:37:41,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024309525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:41,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:41,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:37:41,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104150492] [2021-11-13 01:37:41,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:41,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:37:41,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:41,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:37:41,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:37:41,059 INFO L87 Difference]: Start difference. First operand 921 states and 1773 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) [2021-11-13 01:37:43,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:43,268 INFO L93 Difference]: Finished difference Result 1705 states and 3220 transitions. [2021-11-13 01:37:43,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-13 01:37:43,268 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 [2021-11-13 01:37:43,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:43,272 INFO L225 Difference]: With dead ends: 1705 [2021-11-13 01:37:43,272 INFO L226 Difference]: Without dead ends: 1705 [2021-11-13 01:37:43,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=298, Invalid=1108, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 01:37:43,273 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 258 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1395.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.99ms SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1643.94ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:43,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 155 Invalid, 2119 Unknown, 0 Unchecked, 5.99ms Time], IncrementalHoareTripleChecker [165 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 1643.94ms Time] [2021-11-13 01:37:43,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2021-11-13 01:37:43,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 981. [2021-11-13 01:37:43,299 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) [2021-11-13 01:37:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1893 transitions. [2021-11-13 01:37:43,302 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1893 transitions. Word has length 18 [2021-11-13 01:37:43,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:43,303 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1893 transitions. [2021-11-13 01:37:43,303 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) [2021-11-13 01:37:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1893 transitions. [2021-11-13 01:37:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:43,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:43,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:43,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-13 01:37:43,305 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)] === [2021-11-13 01:37:43,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:43,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1084501767, now seen corresponding path program 16 times [2021-11-13 01:37:43,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:43,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663060870] [2021-11-13 01:37:43,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:43,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:43,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:43,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663060870] [2021-11-13 01:37:43,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663060870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:43,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:43,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:43,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216585466] [2021-11-13 01:37:43,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:43,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:43,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:43,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:43,703 INFO L87 Difference]: Start difference. First operand 981 states and 1893 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) [2021-11-13 01:37:44,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:44,668 INFO L93 Difference]: Finished difference Result 1473 states and 2866 transitions. [2021-11-13 01:37:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:37:44,683 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 [2021-11-13 01:37:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:44,687 INFO L225 Difference]: With dead ends: 1473 [2021-11-13 01:37:44,688 INFO L226 Difference]: Without dead ends: 1473 [2021-11-13 01:37:44,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:37:44,689 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 122 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 677.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 794.17ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:44,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 130 Invalid, 867 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [45 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 794.17ms Time] [2021-11-13 01:37:44,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2021-11-13 01:37:44,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1022. [2021-11-13 01:37:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1010 states have (on average 1.9554455445544554) internal successors, (1975), 1021 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1975 transitions. [2021-11-13 01:37:44,720 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1975 transitions. Word has length 18 [2021-11-13 01:37:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:44,720 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1975 transitions. [2021-11-13 01:37:44,720 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) [2021-11-13 01:37:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1975 transitions. [2021-11-13 01:37:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:44,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:44,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:44,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-13 01:37:44,722 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)] === [2021-11-13 01:37:44,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:44,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1773317987, now seen corresponding path program 17 times [2021-11-13 01:37:44,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:44,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029326190] [2021-11-13 01:37:44,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:44,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:45,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:45,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029326190] [2021-11-13 01:37:45,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029326190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:45,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:45,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:45,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447306741] [2021-11-13 01:37:45,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:45,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:45,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:45,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:45,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:45,088 INFO L87 Difference]: Start difference. First operand 1022 states and 1975 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) [2021-11-13 01:37:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:46,299 INFO L93 Difference]: Finished difference Result 1499 states and 2916 transitions. [2021-11-13 01:37:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:37:46,300 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 [2021-11-13 01:37:46,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:46,302 INFO L225 Difference]: With dead ends: 1499 [2021-11-13 01:37:46,302 INFO L226 Difference]: Without dead ends: 1499 [2021-11-13 01:37:46,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:37:46,303 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 129 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 870.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.11ms SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1022.46ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:46,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 130 Invalid, 1278 Unknown, 0 Unchecked, 3.11ms Time], IncrementalHoareTripleChecker [55 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 1022.46ms Time] [2021-11-13 01:37:46,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2021-11-13 01:37:46,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1030. [2021-11-13 01:37:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1018 states have (on average 1.955795677799607) internal successors, (1991), 1029 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1991 transitions. [2021-11-13 01:37:46,333 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1991 transitions. Word has length 18 [2021-11-13 01:37:46,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:46,333 INFO L470 AbstractCegarLoop]: Abstraction has 1030 states and 1991 transitions. [2021-11-13 01:37:46,334 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) [2021-11-13 01:37:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1991 transitions. [2021-11-13 01:37:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:46,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:46,335 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:46,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-13 01:37:46,335 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)] === [2021-11-13 01:37:46,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:46,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1571363399, now seen corresponding path program 18 times [2021-11-13 01:37:46,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:46,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025250863] [2021-11-13 01:37:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:46,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:46,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:46,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025250863] [2021-11-13 01:37:46,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025250863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:46,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:46,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:46,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067784934] [2021-11-13 01:37:46,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:46,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:46,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:46,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:46,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:46,636 INFO L87 Difference]: Start difference. First operand 1030 states and 1991 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) [2021-11-13 01:37:47,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:47,799 INFO L93 Difference]: Finished difference Result 1525 states and 2966 transitions. [2021-11-13 01:37:47,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:37:47,800 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 [2021-11-13 01:37:47,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:47,803 INFO L225 Difference]: With dead ends: 1525 [2021-11-13 01:37:47,803 INFO L226 Difference]: Without dead ends: 1525 [2021-11-13 01:37:47,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:37:47,804 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 125 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 836.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.13ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 977.67ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:47,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 130 Invalid, 1234 Unknown, 0 Unchecked, 3.13ms Time], IncrementalHoareTripleChecker [56 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 977.67ms Time] [2021-11-13 01:37:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2021-11-13 01:37:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1038. [2021-11-13 01:37:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 1026 states have (on average 1.956140350877193) internal successors, (2007), 1037 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 2007 transitions. [2021-11-13 01:37:47,829 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 2007 transitions. Word has length 18 [2021-11-13 01:37:47,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:47,830 INFO L470 AbstractCegarLoop]: Abstraction has 1038 states and 2007 transitions. [2021-11-13 01:37:47,830 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) [2021-11-13 01:37:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 2007 transitions. [2021-11-13 01:37:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:47,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:47,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:47,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-13 01:37:47,832 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)] === [2021-11-13 01:37:47,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:47,832 INFO L85 PathProgramCache]: Analyzing trace with hash 368893277, now seen corresponding path program 19 times [2021-11-13 01:37:47,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:47,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981317309] [2021-11-13 01:37:47,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:47,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:48,138 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:48,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981317309] [2021-11-13 01:37:48,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981317309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:48,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:48,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:48,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076228947] [2021-11-13 01:37:48,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:48,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:48,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:48,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:48,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:48,139 INFO L87 Difference]: Start difference. First operand 1038 states and 2007 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) [2021-11-13 01:37:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:49,415 INFO L93 Difference]: Finished difference Result 1551 states and 3016 transitions. [2021-11-13 01:37:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:37:49,415 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 [2021-11-13 01:37:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:49,419 INFO L225 Difference]: With dead ends: 1551 [2021-11-13 01:37:49,419 INFO L226 Difference]: Without dead ends: 1551 [2021-11-13 01:37:49,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:37:49,421 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 127 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 944.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.28ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1100.15ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:49,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 130 Invalid, 1416 Unknown, 0 Unchecked, 3.28ms Time], IncrementalHoareTripleChecker [66 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1100.15ms Time] [2021-11-13 01:37:49,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2021-11-13 01:37:49,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1046. [2021-11-13 01:37:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1034 states have (on average 1.9564796905222437) internal successors, (2023), 1045 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 2023 transitions. [2021-11-13 01:37:49,449 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 2023 transitions. Word has length 18 [2021-11-13 01:37:49,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:49,449 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 2023 transitions. [2021-11-13 01:37:49,449 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) [2021-11-13 01:37:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 2023 transitions. [2021-11-13 01:37:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:49,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:49,450 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:49,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-13 01:37:49,451 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1023714041, now seen corresponding path program 20 times [2021-11-13 01:37:49,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:49,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752882979] [2021-11-13 01:37:49,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:49,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:49,657 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:49,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752882979] [2021-11-13 01:37:49,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752882979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:49,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:49,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:37:49,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028735583] [2021-11-13 01:37:49,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:49,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:37:49,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:49,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:37:49,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:37:49,659 INFO L87 Difference]: Start difference. First operand 1046 states and 2023 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) [2021-11-13 01:37:50,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:50,630 INFO L93 Difference]: Finished difference Result 1822 states and 3506 transitions. [2021-11-13 01:37:50,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:37:50,631 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 [2021-11-13 01:37:50,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:50,635 INFO L225 Difference]: With dead ends: 1822 [2021-11-13 01:37:50,635 INFO L226 Difference]: Without dead ends: 1822 [2021-11-13 01:37:50,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-13 01:37:50,636 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 138 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 793.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.16ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 923.10ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:50,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 250 Invalid, 1223 Unknown, 0 Unchecked, 3.16ms Time], IncrementalHoareTripleChecker [36 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 923.10ms Time] [2021-11-13 01:37:50,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2021-11-13 01:37:50,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1053. [2021-11-13 01:37:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1041 states have (on average 1.956772334293948) internal successors, (2037), 1052 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 2037 transitions. [2021-11-13 01:37:50,669 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 2037 transitions. Word has length 18 [2021-11-13 01:37:50,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:50,669 INFO L470 AbstractCegarLoop]: Abstraction has 1053 states and 2037 transitions. [2021-11-13 01:37:50,669 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) [2021-11-13 01:37:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2037 transitions. [2021-11-13 01:37:50,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:50,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:50,671 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:50,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-13 01:37:50,672 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:37:50,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash 233371704, now seen corresponding path program 2 times [2021-11-13 01:37:50,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:50,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526406485] [2021-11-13 01:37:50,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:50,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:50,845 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:50,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526406485] [2021-11-13 01:37:50,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526406485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:50,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:50,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:37:50,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013745019] [2021-11-13 01:37:50,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:50,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:37:50,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:50,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:37:50,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:37:50,847 INFO L87 Difference]: Start difference. First operand 1053 states and 2037 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) [2021-11-13 01:37:52,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:52,932 INFO L93 Difference]: Finished difference Result 1906 states and 3628 transitions. [2021-11-13 01:37:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:37:52,932 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 [2021-11-13 01:37:52,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:52,936 INFO L225 Difference]: With dead ends: 1906 [2021-11-13 01:37:52,936 INFO L226 Difference]: Without dead ends: 1906 [2021-11-13 01:37:52,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2021-11-13 01:37:52,938 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 177 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 2739 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1550.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 2832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.26ms SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1850.95ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:52,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 227 Invalid, 2832 Unknown, 0 Unchecked, 6.26ms Time], IncrementalHoareTripleChecker [93 Valid, 2739 Invalid, 0 Unknown, 0 Unchecked, 1850.95ms Time] [2021-11-13 01:37:52,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2021-11-13 01:37:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 987. [2021-11-13 01:37:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 975 states have (on average 1.9538461538461538) internal successors, (1905), 986 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1905 transitions. [2021-11-13 01:37:52,967 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1905 transitions. Word has length 18 [2021-11-13 01:37:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:52,967 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1905 transitions. [2021-11-13 01:37:52,967 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) [2021-11-13 01:37:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1905 transitions. [2021-11-13 01:37:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:52,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:52,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:52,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-13 01:37:52,969 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)] === [2021-11-13 01:37:52,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:52,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1557701546, now seen corresponding path program 3 times [2021-11-13 01:37:52,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:52,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303397055] [2021-11-13 01:37:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:52,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:53,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:53,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303397055] [2021-11-13 01:37:53,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303397055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:53,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:53,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:37:53,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115680013] [2021-11-13 01:37:53,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:53,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:37:53,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:53,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:37:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:37:53,144 INFO L87 Difference]: Start difference. First operand 987 states and 1905 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) [2021-11-13 01:37:55,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:55,226 INFO L93 Difference]: Finished difference Result 1378 states and 2615 transitions. [2021-11-13 01:37:55,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:37:55,227 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 [2021-11-13 01:37:55,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:55,232 INFO L225 Difference]: With dead ends: 1378 [2021-11-13 01:37:55,232 INFO L226 Difference]: Without dead ends: 1378 [2021-11-13 01:37:55,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:37:55,233 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 103 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1479.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 2383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.19ms SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1750.52ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:55,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 100 Invalid, 2383 Unknown, 0 Unchecked, 5.19ms Time], IncrementalHoareTripleChecker [100 Valid, 2283 Invalid, 0 Unknown, 0 Unchecked, 1750.52ms Time] [2021-11-13 01:37:55,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2021-11-13 01:37:55,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1019. [2021-11-13 01:37:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1007 states have (on average 1.958291956305859) internal successors, (1972), 1018 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1972 transitions. [2021-11-13 01:37:55,261 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1972 transitions. Word has length 18 [2021-11-13 01:37:55,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:55,262 INFO L470 AbstractCegarLoop]: Abstraction has 1019 states and 1972 transitions. [2021-11-13 01:37:55,262 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) [2021-11-13 01:37:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1972 transitions. [2021-11-13 01:37:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:55,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:55,263 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:55,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-13 01:37:55,264 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)] === [2021-11-13 01:37:55,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:55,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1989821853, now seen corresponding path program 21 times [2021-11-13 01:37:55,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:55,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111112954] [2021-11-13 01:37:55,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:55,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:55,477 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:55,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111112954] [2021-11-13 01:37:55,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111112954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:55,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:55,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:37:55,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144814604] [2021-11-13 01:37:55,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:55,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:37:55,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:55,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:37:55,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:37:55,479 INFO L87 Difference]: Start difference. First operand 1019 states and 1972 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) [2021-11-13 01:37:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:56,517 INFO L93 Difference]: Finished difference Result 1570 states and 3013 transitions. [2021-11-13 01:37:56,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:37:56,518 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 [2021-11-13 01:37:56,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:56,520 INFO L225 Difference]: With dead ends: 1570 [2021-11-13 01:37:56,520 INFO L226 Difference]: Without dead ends: 1570 [2021-11-13 01:37:56,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:37:56,521 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 106 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 842.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.84ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 981.10ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:56,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 176 Invalid, 1084 Unknown, 0 Unchecked, 2.84ms Time], IncrementalHoareTripleChecker [28 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 981.10ms Time] [2021-11-13 01:37:56,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2021-11-13 01:37:56,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1028. [2021-11-13 01:37:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1016 states have (on average 1.955708661417323) internal successors, (1987), 1027 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1987 transitions. [2021-11-13 01:37:56,546 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1987 transitions. Word has length 18 [2021-11-13 01:37:56,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:56,547 INFO L470 AbstractCegarLoop]: Abstraction has 1028 states and 1987 transitions. [2021-11-13 01:37:56,547 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) [2021-11-13 01:37:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1987 transitions. [2021-11-13 01:37:56,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:56,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:56,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:56,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-13 01:37:56,549 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)] === [2021-11-13 01:37:56,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:56,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1048059698, now seen corresponding path program 4 times [2021-11-13 01:37:56,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:56,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660030470] [2021-11-13 01:37:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:56,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:56,715 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:56,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660030470] [2021-11-13 01:37:56,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660030470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:56,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:56,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:37:56,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81023821] [2021-11-13 01:37:56,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:56,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:37:56,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:56,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:37:56,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:37:56,717 INFO L87 Difference]: Start difference. First operand 1028 states and 1987 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) [2021-11-13 01:37:58,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:58,729 INFO L93 Difference]: Finished difference Result 1702 states and 3226 transitions. [2021-11-13 01:37:58,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-13 01:37:58,729 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 [2021-11-13 01:37:58,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:58,731 INFO L225 Difference]: With dead ends: 1702 [2021-11-13 01:37:58,731 INFO L226 Difference]: Without dead ends: 1702 [2021-11-13 01:37:58,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:37:58,732 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 140 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1426.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 2665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.24ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1701.39ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:58,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 163 Invalid, 2665 Unknown, 0 Unchecked, 5.24ms Time], IncrementalHoareTripleChecker [112 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 1701.39ms Time] [2021-11-13 01:37:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2021-11-13 01:37:58,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 992. [2021-11-13 01:37:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.9540816326530612) internal successors, (1915), 991 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1915 transitions. [2021-11-13 01:37:58,755 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1915 transitions. Word has length 18 [2021-11-13 01:37:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:58,755 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1915 transitions. [2021-11-13 01:37:58,755 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) [2021-11-13 01:37:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1915 transitions. [2021-11-13 01:37:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:37:58,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:58,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:58,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-13 01:37:58,757 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)] === [2021-11-13 01:37:58,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1346238093, now seen corresponding path program 22 times [2021-11-13 01:37:58,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:58,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198343010] [2021-11-13 01:37:58,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:58,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:59,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:59,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198343010] [2021-11-13 01:37:59,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198343010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:59,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:59,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:37:59,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403474437] [2021-11-13 01:37:59,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:59,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:37:59,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:59,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:37:59,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:37:59,078 INFO L87 Difference]: Start difference. First operand 992 states and 1915 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) [2021-11-13 01:38:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:00,512 INFO L93 Difference]: Finished difference Result 1820 states and 3554 transitions. [2021-11-13 01:38:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 01:38:00,513 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 [2021-11-13 01:38:00,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:00,515 INFO L225 Difference]: With dead ends: 1820 [2021-11-13 01:38:00,515 INFO L226 Difference]: Without dead ends: 1820 [2021-11-13 01:38:00,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:38:00,516 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 144 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1068.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.45ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1239.02ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:00,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 160 Invalid, 1478 Unknown, 0 Unchecked, 3.45ms Time], IncrementalHoareTripleChecker [41 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 1239.02ms Time] [2021-11-13 01:38:00,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2021-11-13 01:38:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 997. [2021-11-13 01:38:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 985 states have (on average 1.9543147208121827) internal successors, (1925), 996 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1925 transitions. [2021-11-13 01:38:00,544 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1925 transitions. Word has length 18 [2021-11-13 01:38:00,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:00,544 INFO L470 AbstractCegarLoop]: Abstraction has 997 states and 1925 transitions. [2021-11-13 01:38:00,544 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) [2021-11-13 01:38:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1925 transitions. [2021-11-13 01:38:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:00,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:00,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:00,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-13 01:38:00,546 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)] === [2021-11-13 01:38:00,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:00,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1511581661, now seen corresponding path program 23 times [2021-11-13 01:38:00,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:00,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246404218] [2021-11-13 01:38:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:00,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:00,911 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:00,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246404218] [2021-11-13 01:38:00,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246404218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:00,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:00,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:00,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498213880] [2021-11-13 01:38:00,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:00,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:00,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:00,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:00,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:00,913 INFO L87 Difference]: Start difference. First operand 997 states and 1925 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) [2021-11-13 01:38:02,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:02,217 INFO L93 Difference]: Finished difference Result 1846 states and 3604 transitions. [2021-11-13 01:38:02,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:38:02,218 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 [2021-11-13 01:38:02,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:02,228 INFO L225 Difference]: With dead ends: 1846 [2021-11-13 01:38:02,228 INFO L226 Difference]: Without dead ends: 1846 [2021-11-13 01:38:02,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:38:02,229 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 151 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 916.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.43ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1075.24ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:02,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 159 Invalid, 1385 Unknown, 0 Unchecked, 3.43ms Time], IncrementalHoareTripleChecker [57 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1075.24ms Time] [2021-11-13 01:38:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2021-11-13 01:38:02,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1005. [2021-11-13 01:38:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 993 states have (on average 1.9546827794561934) internal successors, (1941), 1004 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:02,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1941 transitions. [2021-11-13 01:38:02,250 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1941 transitions. Word has length 18 [2021-11-13 01:38:02,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:02,250 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1941 transitions. [2021-11-13 01:38:02,250 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) [2021-11-13 01:38:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1941 transitions. [2021-11-13 01:38:02,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:02,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:02,252 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:02,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-13 01:38:02,252 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)] === [2021-11-13 01:38:02,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:02,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1833099725, now seen corresponding path program 24 times [2021-11-13 01:38:02,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:02,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255963500] [2021-11-13 01:38:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:02,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:02,590 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:02,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255963500] [2021-11-13 01:38:02,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255963500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:02,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:02,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:02,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479886571] [2021-11-13 01:38:02,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:02,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:02,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:02,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:02,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:02,592 INFO L87 Difference]: Start difference. First operand 1005 states and 1941 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) [2021-11-13 01:38:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:03,821 INFO L93 Difference]: Finished difference Result 1872 states and 3654 transitions. [2021-11-13 01:38:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:38:03,822 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 [2021-11-13 01:38:03,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:03,824 INFO L225 Difference]: With dead ends: 1872 [2021-11-13 01:38:03,824 INFO L226 Difference]: Without dead ends: 1872 [2021-11-13 01:38:03,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:38:03,825 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 152 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 864.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.30ms SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1012.91ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:03,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 158 Invalid, 1320 Unknown, 0 Unchecked, 3.30ms Time], IncrementalHoareTripleChecker [65 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1012.91ms Time] [2021-11-13 01:38:03,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2021-11-13 01:38:03,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1013. [2021-11-13 01:38:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1001 states have (on average 1.9550449550449551) internal successors, (1957), 1012 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1957 transitions. [2021-11-13 01:38:03,845 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1957 transitions. Word has length 18 [2021-11-13 01:38:03,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:03,845 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1957 transitions. [2021-11-13 01:38:03,845 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) [2021-11-13 01:38:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1957 transitions. [2021-11-13 01:38:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:03,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:03,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:03,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-13 01:38:03,847 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)] === [2021-11-13 01:38:03,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:03,847 INFO L85 PathProgramCache]: Analyzing trace with hash 630629603, now seen corresponding path program 25 times [2021-11-13 01:38:03,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:03,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858833803] [2021-11-13 01:38:03,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:03,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:04,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:04,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858833803] [2021-11-13 01:38:04,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858833803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:04,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:04,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:04,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442002837] [2021-11-13 01:38:04,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:04,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:04,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:04,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:04,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:04,110 INFO L87 Difference]: Start difference. First operand 1013 states and 1957 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) [2021-11-13 01:38:05,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:05,389 INFO L93 Difference]: Finished difference Result 1898 states and 3704 transitions. [2021-11-13 01:38:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:38:05,389 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 [2021-11-13 01:38:05,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:05,391 INFO L225 Difference]: With dead ends: 1898 [2021-11-13 01:38:05,391 INFO L226 Difference]: Without dead ends: 1898 [2021-11-13 01:38:05,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:38:05,392 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 155 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 903.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.52ms SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1069.39ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:05,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 157 Invalid, 1510 Unknown, 0 Unchecked, 3.52ms Time], IncrementalHoareTripleChecker [78 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 1069.39ms Time] [2021-11-13 01:38:05,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2021-11-13 01:38:05,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1021. [2021-11-13 01:38:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 1009 states have (on average 1.9554013875123886) internal successors, (1973), 1020 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1973 transitions. [2021-11-13 01:38:05,413 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1973 transitions. Word has length 18 [2021-11-13 01:38:05,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:05,414 INFO L470 AbstractCegarLoop]: Abstraction has 1021 states and 1973 transitions. [2021-11-13 01:38:05,414 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) [2021-11-13 01:38:05,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1973 transitions. [2021-11-13 01:38:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:05,415 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:05,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:05,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-13 01:38:05,416 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:05,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:05,416 INFO L85 PathProgramCache]: Analyzing trace with hash -761977715, now seen corresponding path program 26 times [2021-11-13 01:38:05,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:05,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647789245] [2021-11-13 01:38:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:05,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:05,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:05,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647789245] [2021-11-13 01:38:05,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647789245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:05,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:05,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:05,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167843911] [2021-11-13 01:38:05,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:05,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:05,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:05,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:05,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:05,621 INFO L87 Difference]: Start difference. First operand 1021 states and 1973 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) [2021-11-13 01:38:06,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:06,782 INFO L93 Difference]: Finished difference Result 2054 states and 3964 transitions. [2021-11-13 01:38:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:38:06,783 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 [2021-11-13 01:38:06,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:06,785 INFO L225 Difference]: With dead ends: 2054 [2021-11-13 01:38:06,786 INFO L226 Difference]: Without dead ends: 2054 [2021-11-13 01:38:06,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:38:06,786 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 156 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 925.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.54ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1080.93ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:06,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 337 Invalid, 1384 Unknown, 0 Unchecked, 3.54ms Time], IncrementalHoareTripleChecker [31 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1080.93ms Time] [2021-11-13 01:38:06,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2021-11-13 01:38:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1028. [2021-11-13 01:38:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1016 states have (on average 1.955708661417323) internal successors, (1987), 1027 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:06,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1987 transitions. [2021-11-13 01:38:06,803 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1987 transitions. Word has length 18 [2021-11-13 01:38:06,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:06,803 INFO L470 AbstractCegarLoop]: Abstraction has 1028 states and 1987 transitions. [2021-11-13 01:38:06,803 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) [2021-11-13 01:38:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1987 transitions. [2021-11-13 01:38:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:06,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:06,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:06,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-13 01:38:06,805 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:06,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:06,805 INFO L85 PathProgramCache]: Analyzing trace with hash 495108030, now seen corresponding path program 5 times [2021-11-13 01:38:06,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:06,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233776221] [2021-11-13 01:38:06,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:06,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:06,975 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:06,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233776221] [2021-11-13 01:38:06,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233776221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:06,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:06,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:06,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026027414] [2021-11-13 01:38:06,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:06,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:06,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:06,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:06,976 INFO L87 Difference]: Start difference. First operand 1028 states and 1987 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) [2021-11-13 01:38:09,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:09,365 INFO L93 Difference]: Finished difference Result 2139 states and 4088 transitions. [2021-11-13 01:38:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:38:09,365 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 [2021-11-13 01:38:09,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:09,368 INFO L225 Difference]: With dead ends: 2139 [2021-11-13 01:38:09,368 INFO L226 Difference]: Without dead ends: 2139 [2021-11-13 01:38:09,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:38:09,369 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 196 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3345 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1868.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 3428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.27ms SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2228.59ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:09,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 323 Invalid, 3428 Unknown, 0 Unchecked, 7.27ms Time], IncrementalHoareTripleChecker [83 Valid, 3345 Invalid, 0 Unknown, 0 Unchecked, 2228.59ms Time] [2021-11-13 01:38:09,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2021-11-13 01:38:09,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 956. [2021-11-13 01:38:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 944 states have (on average 1.9523305084745763) internal successors, (1843), 955 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1843 transitions. [2021-11-13 01:38:09,387 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1843 transitions. Word has length 18 [2021-11-13 01:38:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:09,387 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1843 transitions. [2021-11-13 01:38:09,387 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) [2021-11-13 01:38:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1843 transitions. [2021-11-13 01:38:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:09,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:09,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:09,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-13 01:38:09,389 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)] === [2021-11-13 01:38:09,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:09,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1819437872, now seen corresponding path program 6 times [2021-11-13 01:38:09,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:09,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642763229] [2021-11-13 01:38:09,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:09,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:09,562 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:09,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642763229] [2021-11-13 01:38:09,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642763229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:09,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:09,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:09,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860553927] [2021-11-13 01:38:09,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:09,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:09,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:09,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:09,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:09,564 INFO L87 Difference]: Start difference. First operand 956 states and 1843 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) [2021-11-13 01:38:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:10,989 INFO L93 Difference]: Finished difference Result 1611 states and 3075 transitions. [2021-11-13 01:38:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:38:10,990 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 [2021-11-13 01:38:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:10,991 INFO L225 Difference]: With dead ends: 1611 [2021-11-13 01:38:10,992 INFO L226 Difference]: Without dead ends: 1611 [2021-11-13 01:38:10,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=550, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:38:10,992 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 138 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 997.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 1901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.94ms SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1192.93ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:10,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 189 Invalid, 1901 Unknown, 0 Unchecked, 3.94ms Time], IncrementalHoareTripleChecker [103 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 1192.93ms Time] [2021-11-13 01:38:10,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2021-11-13 01:38:11,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 987. [2021-11-13 01:38:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 975 states have (on average 1.956923076923077) internal successors, (1908), 986 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1908 transitions. [2021-11-13 01:38:11,010 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1908 transitions. Word has length 18 [2021-11-13 01:38:11,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:11,010 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1908 transitions. [2021-11-13 01:38:11,010 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) [2021-11-13 01:38:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1908 transitions. [2021-11-13 01:38:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:11,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:11,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:11,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-13 01:38:11,012 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)] === [2021-11-13 01:38:11,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:11,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2043409117, now seen corresponding path program 27 times [2021-11-13 01:38:11,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:11,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816241022] [2021-11-13 01:38:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:11,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:11,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:11,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816241022] [2021-11-13 01:38:11,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816241022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:11,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:11,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:11,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81116730] [2021-11-13 01:38:11,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:11,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:11,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:11,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:11,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:11,225 INFO L87 Difference]: Start difference. First operand 987 states and 1908 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) [2021-11-13 01:38:11,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:11,978 INFO L93 Difference]: Finished difference Result 1802 states and 3471 transitions. [2021-11-13 01:38:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:38:11,978 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 [2021-11-13 01:38:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:11,980 INFO L225 Difference]: With dead ends: 1802 [2021-11-13 01:38:11,980 INFO L226 Difference]: Without dead ends: 1802 [2021-11-13 01:38:11,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:38:11,981 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 126 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 588.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 702.17ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:11,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 287 Invalid, 1022 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [35 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 702.17ms Time] [2021-11-13 01:38:11,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2021-11-13 01:38:11,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 993. [2021-11-13 01:38:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 981 states have (on average 1.9541284403669725) internal successors, (1917), 992 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1917 transitions. [2021-11-13 01:38:11,997 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1917 transitions. Word has length 18 [2021-11-13 01:38:11,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:11,998 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1917 transitions. [2021-11-13 01:38:11,998 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) [2021-11-13 01:38:11,998 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1917 transitions. [2021-11-13 01:38:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:11,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:11,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:11,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-13 01:38:11,999 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)] === [2021-11-13 01:38:12,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:12,000 INFO L85 PathProgramCache]: Analyzing trace with hash -786323372, now seen corresponding path program 7 times [2021-11-13 01:38:12,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:12,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930694612] [2021-11-13 01:38:12,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:12,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:12,165 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:12,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930694612] [2021-11-13 01:38:12,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930694612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:12,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:12,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:12,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605874037] [2021-11-13 01:38:12,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:12,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:12,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:12,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:12,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:12,167 INFO L87 Difference]: Start difference. First operand 993 states and 1917 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) [2021-11-13 01:38:14,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:14,563 INFO L93 Difference]: Finished difference Result 1935 states and 3686 transitions. [2021-11-13 01:38:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:38:14,564 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 [2021-11-13 01:38:14,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:14,566 INFO L225 Difference]: With dead ends: 1935 [2021-11-13 01:38:14,566 INFO L226 Difference]: Without dead ends: 1935 [2021-11-13 01:38:14,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=553, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:38:14,567 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 166 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2917 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1783.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.56ms SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 2917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2118.63ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:14,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 274 Invalid, 3009 Unknown, 0 Unchecked, 6.56ms Time], IncrementalHoareTripleChecker [92 Valid, 2917 Invalid, 0 Unknown, 0 Unchecked, 2118.63ms Time] [2021-11-13 01:38:14,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2021-11-13 01:38:14,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 950. [2021-11-13 01:38:14,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 938 states have (on average 1.9520255863539446) internal successors, (1831), 949 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1831 transitions. [2021-11-13 01:38:14,585 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1831 transitions. Word has length 18 [2021-11-13 01:38:14,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:14,586 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1831 transitions. [2021-11-13 01:38:14,586 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) [2021-11-13 01:38:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1831 transitions. [2021-11-13 01:38:14,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:14,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:14,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:14,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-13 01:38:14,587 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)] === [2021-11-13 01:38:14,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:14,587 INFO L85 PathProgramCache]: Analyzing trace with hash -620144802, now seen corresponding path program 8 times [2021-11-13 01:38:14,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:14,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632891223] [2021-11-13 01:38:14,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:14,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:14,762 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:14,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632891223] [2021-11-13 01:38:14,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632891223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:14,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:14,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:14,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561061943] [2021-11-13 01:38:14,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:14,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:14,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:14,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:14,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:14,763 INFO L87 Difference]: Start difference. First operand 950 states and 1831 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) [2021-11-13 01:38:17,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:17,285 INFO L93 Difference]: Finished difference Result 2168 states and 4173 transitions. [2021-11-13 01:38:17,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:38:17,285 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 [2021-11-13 01:38:17,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:17,288 INFO L225 Difference]: With dead ends: 2168 [2021-11-13 01:38:17,288 INFO L226 Difference]: Without dead ends: 2168 [2021-11-13 01:38:17,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:38:17,289 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 212 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 3096 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1808.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.21ms SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 3096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2163.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:17,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 120 Invalid, 3244 Unknown, 0 Unchecked, 7.21ms Time], IncrementalHoareTripleChecker [148 Valid, 3096 Invalid, 0 Unknown, 0 Unchecked, 2163.87ms Time] [2021-11-13 01:38:17,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2021-11-13 01:38:17,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 980. [2021-11-13 01:38:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 968 states have (on average 1.9566115702479339) internal successors, (1894), 979 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1894 transitions. [2021-11-13 01:38:17,309 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1894 transitions. Word has length 18 [2021-11-13 01:38:17,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:17,310 INFO L470 AbstractCegarLoop]: Abstraction has 980 states and 1894 transitions. [2021-11-13 01:38:17,310 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) [2021-11-13 01:38:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1894 transitions. [2021-11-13 01:38:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:17,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:17,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:17,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-13 01:38:17,312 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash 500579674, now seen corresponding path program 9 times [2021-11-13 01:38:17,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:17,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942101215] [2021-11-13 01:38:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:17,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:17,482 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:17,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942101215] [2021-11-13 01:38:17,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942101215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:17,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:17,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:17,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863216693] [2021-11-13 01:38:17,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:17,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:17,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:17,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:17,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:17,484 INFO L87 Difference]: Start difference. First operand 980 states and 1894 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) [2021-11-13 01:38:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:20,314 INFO L93 Difference]: Finished difference Result 2274 states and 4385 transitions. [2021-11-13 01:38:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 01:38:20,315 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 [2021-11-13 01:38:20,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:20,319 INFO L225 Difference]: With dead ends: 2274 [2021-11-13 01:38:20,319 INFO L226 Difference]: Without dead ends: 2274 [2021-11-13 01:38:20,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:38:20,321 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 202 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 3506 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2074.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.76ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2473.45ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:20,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 164 Invalid, 3631 Unknown, 0 Unchecked, 7.76ms Time], IncrementalHoareTripleChecker [125 Valid, 3506 Invalid, 0 Unknown, 0 Unchecked, 2473.45ms Time] [2021-11-13 01:38:20,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2021-11-13 01:38:20,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 976. [2021-11-13 01:38:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 964 states have (on average 1.9564315352697095) internal successors, (1886), 975 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1886 transitions. [2021-11-13 01:38:20,349 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1886 transitions. Word has length 18 [2021-11-13 01:38:20,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:20,350 INFO L470 AbstractCegarLoop]: Abstraction has 976 states and 1886 transitions. [2021-11-13 01:38:20,350 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) [2021-11-13 01:38:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1886 transitions. [2021-11-13 01:38:20,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:20,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:20,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:20,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-13 01:38:20,352 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash 932699981, now seen corresponding path program 28 times [2021-11-13 01:38:20,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:20,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700496808] [2021-11-13 01:38:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:20,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:20,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:20,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700496808] [2021-11-13 01:38:20,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700496808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:20,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:20,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:20,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509372574] [2021-11-13 01:38:20,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:20,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:20,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:20,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:20,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:20,584 INFO L87 Difference]: Start difference. First operand 976 states and 1886 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) [2021-11-13 01:38:21,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:21,830 INFO L93 Difference]: Finished difference Result 2046 states and 3950 transitions. [2021-11-13 01:38:21,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:38:21,830 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 [2021-11-13 01:38:21,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:21,832 INFO L225 Difference]: With dead ends: 2046 [2021-11-13 01:38:21,832 INFO L226 Difference]: Without dead ends: 2046 [2021-11-13 01:38:21,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:38:21,833 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 272 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 867.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.65ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1020.43ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:21,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 176 Invalid, 1350 Unknown, 0 Unchecked, 4.65ms Time], IncrementalHoareTripleChecker [64 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 1020.43ms Time] [2021-11-13 01:38:21,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2021-11-13 01:38:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 903. [2021-11-13 01:38:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 893 states have (on average 1.950727883538634) internal successors, (1742), 902 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1742 transitions. [2021-11-13 01:38:21,851 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1742 transitions. Word has length 18 [2021-11-13 01:38:21,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:21,851 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 1742 transitions. [2021-11-13 01:38:21,851 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) [2021-11-13 01:38:21,852 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1742 transitions. [2021-11-13 01:38:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:38:21,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:21,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:21,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-13 01:38:21,853 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)] === [2021-11-13 01:38:21,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:21,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2105181570, now seen corresponding path program 10 times [2021-11-13 01:38:21,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:21,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076151332] [2021-11-13 01:38:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:21,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:22,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:22,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076151332] [2021-11-13 01:38:22,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076151332] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:22,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:22,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:22,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653756309] [2021-11-13 01:38:22,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:22,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:22,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:22,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:22,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:22,033 INFO L87 Difference]: Start difference. First operand 903 states and 1742 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) [2021-11-13 01:38:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:24,434 INFO L93 Difference]: Finished difference Result 2269 states and 4347 transitions. [2021-11-13 01:38:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-13 01:38:24,435 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 [2021-11-13 01:38:24,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:24,437 INFO L225 Difference]: With dead ends: 2269 [2021-11-13 01:38:24,437 INFO L226 Difference]: Without dead ends: 2269 [2021-11-13 01:38:24,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:38:24,438 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 291 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 3015 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1689.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.46ms SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 3015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2035.77ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:24,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 173 Invalid, 3167 Unknown, 0 Unchecked, 9.46ms Time], IncrementalHoareTripleChecker [152 Valid, 3015 Invalid, 0 Unknown, 0 Unchecked, 2035.77ms Time] [2021-11-13 01:38:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2021-11-13 01:38:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 842. [2021-11-13 01:38:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 832 states have (on average 1.9471153846153846) internal successors, (1620), 841 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1620 transitions. [2021-11-13 01:38:24,461 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1620 transitions. Word has length 18 [2021-11-13 01:38:24,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:24,462 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1620 transitions. [2021-11-13 01:38:24,462 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) [2021-11-13 01:38:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1620 transitions. [2021-11-13 01:38:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:24,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:24,463 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] [2021-11-13 01:38:24,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-13 01:38:24,463 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)] === [2021-11-13 01:38:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash -153742446, now seen corresponding path program 1 times [2021-11-13 01:38:24,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:24,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430776892] [2021-11-13 01:38:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:24,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:24,646 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:24,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430776892] [2021-11-13 01:38:24,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430776892] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:24,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:24,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:24,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92124692] [2021-11-13 01:38:24,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:24,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:24,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:24,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:24,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:24,648 INFO L87 Difference]: Start difference. First operand 842 states and 1620 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) [2021-11-13 01:38:26,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:26,152 INFO L93 Difference]: Finished difference Result 1561 states and 2989 transitions. [2021-11-13 01:38:26,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:38:26,153 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 [2021-11-13 01:38:26,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:26,156 INFO L225 Difference]: With dead ends: 1561 [2021-11-13 01:38:26,156 INFO L226 Difference]: Without dead ends: 1561 [2021-11-13 01:38:26,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:38:26,159 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 188 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1108.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.25ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1316.49ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:26,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 167 Invalid, 1617 Unknown, 0 Unchecked, 6.25ms Time], IncrementalHoareTripleChecker [43 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1316.49ms Time] [2021-11-13 01:38:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2021-11-13 01:38:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 936. [2021-11-13 01:38:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 926 states have (on average 1.9524838012958963) internal successors, (1808), 935 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1808 transitions. [2021-11-13 01:38:26,184 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1808 transitions. Word has length 24 [2021-11-13 01:38:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:26,184 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1808 transitions. [2021-11-13 01:38:26,184 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) [2021-11-13 01:38:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1808 transitions. [2021-11-13 01:38:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:26,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:26,187 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] [2021-11-13 01:38:26,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-13 01:38:26,188 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)] === [2021-11-13 01:38:26,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:26,189 INFO L85 PathProgramCache]: Analyzing trace with hash -179573278, now seen corresponding path program 2 times [2021-11-13 01:38:26,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:26,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868025067] [2021-11-13 01:38:26,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:26,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:26,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:26,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868025067] [2021-11-13 01:38:26,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868025067] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:26,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:26,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:26,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745286072] [2021-11-13 01:38:26,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:26,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:26,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:26,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:26,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:26,466 INFO L87 Difference]: Start difference. First operand 936 states and 1808 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) [2021-11-13 01:38:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:28,147 INFO L93 Difference]: Finished difference Result 1300 states and 2498 transitions. [2021-11-13 01:38:28,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-13 01:38:28,147 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 [2021-11-13 01:38:28,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:28,149 INFO L225 Difference]: With dead ends: 1300 [2021-11-13 01:38:28,149 INFO L226 Difference]: Without dead ends: 1300 [2021-11-13 01:38:28,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=954, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:38:28,150 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 157 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 934.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.84ms SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1104.59ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:28,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 95 Invalid, 1477 Unknown, 0 Unchecked, 3.84ms Time], IncrementalHoareTripleChecker [111 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 1104.59ms Time] [2021-11-13 01:38:28,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2021-11-13 01:38:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 976. [2021-11-13 01:38:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 966 states have (on average 1.9544513457556936) internal successors, (1888), 975 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1888 transitions. [2021-11-13 01:38:28,168 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1888 transitions. Word has length 24 [2021-11-13 01:38:28,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:28,168 INFO L470 AbstractCegarLoop]: Abstraction has 976 states and 1888 transitions. [2021-11-13 01:38:28,168 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) [2021-11-13 01:38:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1888 transitions. [2021-11-13 01:38:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:28,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:28,170 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] [2021-11-13 01:38:28,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-13 01:38:28,171 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)] === [2021-11-13 01:38:28,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:28,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1235475642, now seen corresponding path program 3 times [2021-11-13 01:38:28,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:28,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643368894] [2021-11-13 01:38:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:28,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:28,390 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:28,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643368894] [2021-11-13 01:38:28,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643368894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:28,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:28,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:28,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578191170] [2021-11-13 01:38:28,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:28,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:28,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:28,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:28,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:28,392 INFO L87 Difference]: Start difference. First operand 976 states and 1888 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) [2021-11-13 01:38:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:30,411 INFO L93 Difference]: Finished difference Result 1480 states and 2820 transitions. [2021-11-13 01:38:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-13 01:38:30,412 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 [2021-11-13 01:38:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:30,413 INFO L225 Difference]: With dead ends: 1480 [2021-11-13 01:38:30,413 INFO L226 Difference]: Without dead ends: 1480 [2021-11-13 01:38:30,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=351, Invalid=1055, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 01:38:30,414 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 297 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1173.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.51ms SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1369.92ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:30,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 141 Invalid, 1379 Unknown, 0 Unchecked, 4.51ms Time], IncrementalHoareTripleChecker [143 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 1369.92ms Time] [2021-11-13 01:38:30,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2021-11-13 01:38:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 928. [2021-11-13 01:38:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 919 states have (on average 1.9499455930359086) internal successors, (1792), 927 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1792 transitions. [2021-11-13 01:38:30,429 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1792 transitions. Word has length 24 [2021-11-13 01:38:30,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:30,429 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1792 transitions. [2021-11-13 01:38:30,429 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) [2021-11-13 01:38:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1792 transitions. [2021-11-13 01:38:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:30,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:30,430 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] [2021-11-13 01:38:30,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-13 01:38:30,430 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:30,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:30,431 INFO L85 PathProgramCache]: Analyzing trace with hash 704377001, now seen corresponding path program 1 times [2021-11-13 01:38:30,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:30,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394150431] [2021-11-13 01:38:30,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:30,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:30,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:30,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394150431] [2021-11-13 01:38:30,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394150431] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:30,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:30,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:30,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102477114] [2021-11-13 01:38:30,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:30,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:30,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:30,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:30,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:30,746 INFO L87 Difference]: Start difference. First operand 928 states and 1792 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) [2021-11-13 01:38:33,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:33,057 INFO L93 Difference]: Finished difference Result 1768 states and 3329 transitions. [2021-11-13 01:38:33,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-13 01:38:33,057 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 [2021-11-13 01:38:33,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:33,059 INFO L225 Difference]: With dead ends: 1768 [2021-11-13 01:38:33,059 INFO L226 Difference]: Without dead ends: 1768 [2021-11-13 01:38:33,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=338, Invalid=1302, Unknown=0, NotChecked=0, Total=1640 [2021-11-13 01:38:33,060 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 398 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1390.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.61ms SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1634.23ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:33,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [398 Valid, 136 Invalid, 1890 Unknown, 0 Unchecked, 5.61ms Time], IncrementalHoareTripleChecker [257 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 1634.23ms Time] [2021-11-13 01:38:33,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2021-11-13 01:38:33,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 927. [2021-11-13 01:38:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 918 states have (on average 1.9498910675381265) internal successors, (1790), 926 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1790 transitions. [2021-11-13 01:38:33,081 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1790 transitions. Word has length 24 [2021-11-13 01:38:33,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:33,082 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1790 transitions. [2021-11-13 01:38:33,082 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) [2021-11-13 01:38:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1790 transitions. [2021-11-13 01:38:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:33,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:33,084 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] [2021-11-13 01:38:33,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-13 01:38:33,084 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:33,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:33,085 INFO L85 PathProgramCache]: Analyzing trace with hash 434297561, now seen corresponding path program 2 times [2021-11-13 01:38:33,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:33,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012574560] [2021-11-13 01:38:33,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:33,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:33,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:33,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012574560] [2021-11-13 01:38:33,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012574560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:33,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:33,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:33,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716152305] [2021-11-13 01:38:33,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:33,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:33,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:33,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:33,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:33,356 INFO L87 Difference]: Start difference. First operand 927 states and 1790 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) [2021-11-13 01:38:35,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:35,355 INFO L93 Difference]: Finished difference Result 1545 states and 2902 transitions. [2021-11-13 01:38:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:38:35,355 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 [2021-11-13 01:38:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:35,358 INFO L225 Difference]: With dead ends: 1545 [2021-11-13 01:38:35,358 INFO L226 Difference]: Without dead ends: 1545 [2021-11-13 01:38:35,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:38:35,358 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 254 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1434.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.37ms SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1696.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:35,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 147 Invalid, 2210 Unknown, 0 Unchecked, 5.37ms Time], IncrementalHoareTripleChecker [164 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 1696.98ms Time] [2021-11-13 01:38:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2021-11-13 01:38:35,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 824. [2021-11-13 01:38:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 815 states have (on average 1.943558282208589) internal successors, (1584), 823 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1584 transitions. [2021-11-13 01:38:35,378 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1584 transitions. Word has length 24 [2021-11-13 01:38:35,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:35,379 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1584 transitions. [2021-11-13 01:38:35,379 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) [2021-11-13 01:38:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1584 transitions. [2021-11-13 01:38:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:35,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:35,381 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] [2021-11-13 01:38:35,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-13 01:38:35,381 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)] === [2021-11-13 01:38:35,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:35,382 INFO L85 PathProgramCache]: Analyzing trace with hash -150774152, now seen corresponding path program 4 times [2021-11-13 01:38:35,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:35,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055423832] [2021-11-13 01:38:35,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:35,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:35,616 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:35,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055423832] [2021-11-13 01:38:35,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055423832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:35,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:35,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:35,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489925833] [2021-11-13 01:38:35,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:35,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:35,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:35,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:35,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:35,618 INFO L87 Difference]: Start difference. First operand 824 states and 1584 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) [2021-11-13 01:38:37,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:37,486 INFO L93 Difference]: Finished difference Result 1556 states and 2986 transitions. [2021-11-13 01:38:37,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:38:37,487 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 [2021-11-13 01:38:37,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:37,489 INFO L225 Difference]: With dead ends: 1556 [2021-11-13 01:38:37,489 INFO L226 Difference]: Without dead ends: 1556 [2021-11-13 01:38:37,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:38:37,490 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 140 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1472.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 1900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.72ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1717.51ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:37,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 215 Invalid, 1900 Unknown, 0 Unchecked, 4.72ms Time], IncrementalHoareTripleChecker [17 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 1717.51ms Time] [2021-11-13 01:38:37,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2021-11-13 01:38:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 882. [2021-11-13 01:38:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 873 states have (on average 1.9473081328751431) internal successors, (1700), 881 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1700 transitions. [2021-11-13 01:38:37,507 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1700 transitions. Word has length 24 [2021-11-13 01:38:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:37,507 INFO L470 AbstractCegarLoop]: Abstraction has 882 states and 1700 transitions. [2021-11-13 01:38:37,508 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) [2021-11-13 01:38:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1700 transitions. [2021-11-13 01:38:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:37,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:37,509 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] [2021-11-13 01:38:37,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-13 01:38:37,509 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)] === [2021-11-13 01:38:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash -103406462, now seen corresponding path program 5 times [2021-11-13 01:38:37,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:37,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775415315] [2021-11-13 01:38:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:37,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:37,712 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:37,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775415315] [2021-11-13 01:38:37,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775415315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:37,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:37,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:37,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923310254] [2021-11-13 01:38:37,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:37,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:37,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:37,714 INFO L87 Difference]: Start difference. First operand 882 states and 1700 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) [2021-11-13 01:38:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:38,557 INFO L93 Difference]: Finished difference Result 1487 states and 2847 transitions. [2021-11-13 01:38:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:38:38,557 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 [2021-11-13 01:38:38,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:38,559 INFO L225 Difference]: With dead ends: 1487 [2021-11-13 01:38:38,559 INFO L226 Difference]: Without dead ends: 1487 [2021-11-13 01:38:38,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:38:38,560 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 117 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 653.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.63ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 767.09ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:38,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 247 Invalid, 1030 Unknown, 0 Unchecked, 2.63ms Time], IncrementalHoareTripleChecker [27 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 767.09ms Time] [2021-11-13 01:38:38,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2021-11-13 01:38:38,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 875. [2021-11-13 01:38:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 866 states have (on average 1.9468822170900693) internal successors, (1686), 874 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1686 transitions. [2021-11-13 01:38:38,575 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1686 transitions. Word has length 24 [2021-11-13 01:38:38,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:38,575 INFO L470 AbstractCegarLoop]: Abstraction has 875 states and 1686 transitions. [2021-11-13 01:38:38,576 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) [2021-11-13 01:38:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1686 transitions. [2021-11-13 01:38:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:38,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:38,577 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] [2021-11-13 01:38:38,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-13 01:38:38,577 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)] === [2021-11-13 01:38:38,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:38,578 INFO L85 PathProgramCache]: Analyzing trace with hash -860596526, now seen corresponding path program 6 times [2021-11-13 01:38:38,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:38,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351955258] [2021-11-13 01:38:38,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:38,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:38,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:38,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351955258] [2021-11-13 01:38:38,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351955258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:38,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:38,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:38,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063691598] [2021-11-13 01:38:38,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:38,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:38,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:38,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:38,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:38,849 INFO L87 Difference]: Start difference. First operand 875 states and 1686 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) [2021-11-13 01:38:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:39,947 INFO L93 Difference]: Finished difference Result 1151 states and 2226 transitions. [2021-11-13 01:38:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:38:39,947 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 [2021-11-13 01:38:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:39,949 INFO L225 Difference]: With dead ends: 1151 [2021-11-13 01:38:39,949 INFO L226 Difference]: Without dead ends: 1151 [2021-11-13 01:38:39,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:38:39,949 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 80 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 808.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.82ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 961.75ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:39,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 169 Invalid, 1215 Unknown, 0 Unchecked, 2.82ms Time], IncrementalHoareTripleChecker [37 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 961.75ms Time] [2021-11-13 01:38:39,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2021-11-13 01:38:39,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 858. [2021-11-13 01:38:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 849 states have (on average 1.9458186101295643) internal successors, (1652), 857 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:39,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1652 transitions. [2021-11-13 01:38:39,970 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1652 transitions. Word has length 24 [2021-11-13 01:38:39,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:39,970 INFO L470 AbstractCegarLoop]: Abstraction has 858 states and 1652 transitions. [2021-11-13 01:38:39,971 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) [2021-11-13 01:38:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1652 transitions. [2021-11-13 01:38:39,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:39,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:39,973 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] [2021-11-13 01:38:39,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-13 01:38:39,973 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)] === [2021-11-13 01:38:39,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:39,974 INFO L85 PathProgramCache]: Analyzing trace with hash -176604984, now seen corresponding path program 7 times [2021-11-13 01:38:39,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:39,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878204642] [2021-11-13 01:38:39,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:39,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:40,221 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:40,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878204642] [2021-11-13 01:38:40,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878204642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:40,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:40,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:40,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062100036] [2021-11-13 01:38:40,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:40,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:40,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:40,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:40,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:40,223 INFO L87 Difference]: Start difference. First operand 858 states and 1652 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) [2021-11-13 01:38:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:42,070 INFO L93 Difference]: Finished difference Result 1352 states and 2620 transitions. [2021-11-13 01:38:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:38:42,071 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 [2021-11-13 01:38:42,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:42,072 INFO L225 Difference]: With dead ends: 1352 [2021-11-13 01:38:42,072 INFO L226 Difference]: Without dead ends: 1352 [2021-11-13 01:38:42,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:38:42,073 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 119 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1237.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.44ms SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1457.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:42,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 111 Invalid, 1938 Unknown, 0 Unchecked, 4.44ms Time], IncrementalHoareTripleChecker [76 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 1457.06ms Time] [2021-11-13 01:38:42,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2021-11-13 01:38:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 830. [2021-11-13 01:38:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 821 states have (on average 1.9439707673568818) internal successors, (1596), 829 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:42,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1596 transitions. [2021-11-13 01:38:42,093 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1596 transitions. Word has length 24 [2021-11-13 01:38:42,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:42,094 INFO L470 AbstractCegarLoop]: Abstraction has 830 states and 1596 transitions. [2021-11-13 01:38:42,094 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) [2021-11-13 01:38:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1596 transitions. [2021-11-13 01:38:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:42,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:42,096 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] [2021-11-13 01:38:42,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-13 01:38:42,096 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)] === [2021-11-13 01:38:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:42,097 INFO L85 PathProgramCache]: Analyzing trace with hash 11610040, now seen corresponding path program 8 times [2021-11-13 01:38:42,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:42,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935818461] [2021-11-13 01:38:42,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:42,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:42,319 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:42,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935818461] [2021-11-13 01:38:42,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935818461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:42,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:42,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:42,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615393869] [2021-11-13 01:38:42,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:42,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:42,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:42,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:42,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:42,321 INFO L87 Difference]: Start difference. First operand 830 states and 1596 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) [2021-11-13 01:38:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:43,322 INFO L93 Difference]: Finished difference Result 1270 states and 2420 transitions. [2021-11-13 01:38:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:38:43,323 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 [2021-11-13 01:38:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:43,324 INFO L225 Difference]: With dead ends: 1270 [2021-11-13 01:38:43,324 INFO L226 Difference]: Without dead ends: 1270 [2021-11-13 01:38:43,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:38:43,325 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 118 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 766.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.67ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 895.18ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:43,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 140 Invalid, 1004 Unknown, 0 Unchecked, 2.67ms Time], IncrementalHoareTripleChecker [23 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 895.18ms Time] [2021-11-13 01:38:43,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2021-11-13 01:38:43,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 839. [2021-11-13 01:38:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 830 states have (on average 1.9445783132530121) internal successors, (1614), 838 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1614 transitions. [2021-11-13 01:38:43,341 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1614 transitions. Word has length 24 [2021-11-13 01:38:43,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:43,341 INFO L470 AbstractCegarLoop]: Abstraction has 839 states and 1614 transitions. [2021-11-13 01:38:43,341 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) [2021-11-13 01:38:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1614 transitions. [2021-11-13 01:38:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:43,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:43,342 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] [2021-11-13 01:38:43,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-13 01:38:43,342 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)] === [2021-11-13 01:38:43,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:43,343 INFO L85 PathProgramCache]: Analyzing trace with hash 58977730, now seen corresponding path program 9 times [2021-11-13 01:38:43,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:43,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042304607] [2021-11-13 01:38:43,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:43,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:43,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:43,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042304607] [2021-11-13 01:38:43,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042304607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:43,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:43,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:43,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44060811] [2021-11-13 01:38:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:43,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:43,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:43,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:43,543 INFO L87 Difference]: Start difference. First operand 839 states and 1614 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) [2021-11-13 01:38:44,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:44,281 INFO L93 Difference]: Finished difference Result 1184 states and 2252 transitions. [2021-11-13 01:38:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:38:44,281 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 [2021-11-13 01:38:44,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:44,283 INFO L225 Difference]: With dead ends: 1184 [2021-11-13 01:38:44,283 INFO L226 Difference]: Without dead ends: 1184 [2021-11-13 01:38:44,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-11-13 01:38:44,284 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 89 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 555.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.12ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 645.32ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:44,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 175 Invalid, 761 Unknown, 0 Unchecked, 2.12ms Time], IncrementalHoareTripleChecker [35 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 645.32ms Time] [2021-11-13 01:38:44,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2021-11-13 01:38:44,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 834. [2021-11-13 01:38:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 825 states have (on average 1.9442424242424243) internal successors, (1604), 833 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1604 transitions. [2021-11-13 01:38:44,298 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1604 transitions. Word has length 24 [2021-11-13 01:38:44,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:44,298 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 1604 transitions. [2021-11-13 01:38:44,298 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) [2021-11-13 01:38:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1604 transitions. [2021-11-13 01:38:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:44,299 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:44,300 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] [2021-11-13 01:38:44,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-13 01:38:44,300 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)] === [2021-11-13 01:38:44,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:44,300 INFO L85 PathProgramCache]: Analyzing trace with hash -663819906, now seen corresponding path program 10 times [2021-11-13 01:38:44,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:44,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000050154] [2021-11-13 01:38:44,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:44,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:44,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:44,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000050154] [2021-11-13 01:38:44,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000050154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:44,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:44,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:44,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629793374] [2021-11-13 01:38:44,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:44,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:44,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:44,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:44,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:44,524 INFO L87 Difference]: Start difference. First operand 834 states and 1604 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) [2021-11-13 01:38:46,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:46,503 INFO L93 Difference]: Finished difference Result 1755 states and 3377 transitions. [2021-11-13 01:38:46,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:38:46,503 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 [2021-11-13 01:38:46,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:46,505 INFO L225 Difference]: With dead ends: 1755 [2021-11-13 01:38:46,506 INFO L226 Difference]: Without dead ends: 1755 [2021-11-13 01:38:46,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2021-11-13 01:38:46,506 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 161 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1471.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 2045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.58ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1732.41ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:46,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 277 Invalid, 2045 Unknown, 0 Unchecked, 5.58ms Time], IncrementalHoareTripleChecker [25 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 1732.41ms Time] [2021-11-13 01:38:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2021-11-13 01:38:46,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 844. [2021-11-13 01:38:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 835 states have (on average 1.9449101796407187) internal successors, (1624), 843 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1624 transitions. [2021-11-13 01:38:46,538 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1624 transitions. Word has length 24 [2021-11-13 01:38:46,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:46,538 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1624 transitions. [2021-11-13 01:38:46,538 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) [2021-11-13 01:38:46,539 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1624 transitions. [2021-11-13 01:38:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:46,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:46,539 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] [2021-11-13 01:38:46,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-13 01:38:46,540 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)] === [2021-11-13 01:38:46,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:46,540 INFO L85 PathProgramCache]: Analyzing trace with hash -616452216, now seen corresponding path program 11 times [2021-11-13 01:38:46,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:46,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154162325] [2021-11-13 01:38:46,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:46,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:46,748 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:46,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154162325] [2021-11-13 01:38:46,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154162325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:46,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:46,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:46,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141806457] [2021-11-13 01:38:46,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:46,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:46,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:46,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:46,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:46,749 INFO L87 Difference]: Start difference. First operand 844 states and 1624 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) [2021-11-13 01:38:47,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:47,946 INFO L93 Difference]: Finished difference Result 1689 states and 3245 transitions. [2021-11-13 01:38:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:38:47,946 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 [2021-11-13 01:38:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:47,948 INFO L225 Difference]: With dead ends: 1689 [2021-11-13 01:38:47,948 INFO L226 Difference]: Without dead ends: 1689 [2021-11-13 01:38:47,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:38:47,949 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 141 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 942.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.75ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1098.42ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:47,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 334 Invalid, 1281 Unknown, 0 Unchecked, 3.75ms Time], IncrementalHoareTripleChecker [33 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 1098.42ms Time] [2021-11-13 01:38:47,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2021-11-13 01:38:47,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 837. [2021-11-13 01:38:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 828 states have (on average 1.9444444444444444) internal successors, (1610), 836 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1610 transitions. [2021-11-13 01:38:47,962 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1610 transitions. Word has length 24 [2021-11-13 01:38:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:47,963 INFO L470 AbstractCegarLoop]: Abstraction has 837 states and 1610 transitions. [2021-11-13 01:38:47,963 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) [2021-11-13 01:38:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1610 transitions. [2021-11-13 01:38:47,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:47,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:47,964 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] [2021-11-13 01:38:47,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-13 01:38:47,965 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)] === [2021-11-13 01:38:47,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:47,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1373642280, now seen corresponding path program 12 times [2021-11-13 01:38:47,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:47,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720930648] [2021-11-13 01:38:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:47,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:48,183 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:48,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720930648] [2021-11-13 01:38:48,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720930648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:48,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:48,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:48,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642487165] [2021-11-13 01:38:48,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:48,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:48,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:48,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:48,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:48,185 INFO L87 Difference]: Start difference. First operand 837 states and 1610 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) [2021-11-13 01:38:49,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:49,605 INFO L93 Difference]: Finished difference Result 1353 states and 2624 transitions. [2021-11-13 01:38:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:38:49,606 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 [2021-11-13 01:38:49,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:49,607 INFO L225 Difference]: With dead ends: 1353 [2021-11-13 01:38:49,607 INFO L226 Difference]: Without dead ends: 1353 [2021-11-13 01:38:49,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:38:49,608 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 104 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1070.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.62ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1241.30ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:49,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 234 Invalid, 1285 Unknown, 0 Unchecked, 3.62ms Time], IncrementalHoareTripleChecker [40 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 1241.30ms Time] [2021-11-13 01:38:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2021-11-13 01:38:49,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 820. [2021-11-13 01:38:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 811 states have (on average 1.9432799013563502) internal successors, (1576), 819 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1576 transitions. [2021-11-13 01:38:49,620 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1576 transitions. Word has length 24 [2021-11-13 01:38:49,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:49,620 INFO L470 AbstractCegarLoop]: Abstraction has 820 states and 1576 transitions. [2021-11-13 01:38:49,620 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) [2021-11-13 01:38:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1576 transitions. [2021-11-13 01:38:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:49,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:49,622 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] [2021-11-13 01:38:49,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-13 01:38:49,622 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)] === [2021-11-13 01:38:49,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:49,623 INFO L85 PathProgramCache]: Analyzing trace with hash -689650738, now seen corresponding path program 13 times [2021-11-13 01:38:49,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:49,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981061832] [2021-11-13 01:38:49,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:49,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:49,888 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:49,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981061832] [2021-11-13 01:38:49,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981061832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:49,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:49,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 01:38:49,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660565513] [2021-11-13 01:38:49,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:49,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:49,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:49,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:49,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:49,889 INFO L87 Difference]: Start difference. First operand 820 states and 1576 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) [2021-11-13 01:38:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:51,850 INFO L93 Difference]: Finished difference Result 1592 states and 3094 transitions. [2021-11-13 01:38:51,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-13 01:38:51,850 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 [2021-11-13 01:38:51,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:51,852 INFO L225 Difference]: With dead ends: 1592 [2021-11-13 01:38:51,852 INFO L226 Difference]: Without dead ends: 1592 [2021-11-13 01:38:51,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=256, Invalid=1004, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:38:51,853 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 145 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1215.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.76ms SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1428.17ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:51,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 130 Invalid, 1640 Unknown, 0 Unchecked, 4.76ms Time], IncrementalHoareTripleChecker [80 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 1428.17ms Time] [2021-11-13 01:38:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2021-11-13 01:38:51,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 768. [2021-11-13 01:38:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 759 states have (on average 1.9393939393939394) internal successors, (1472), 767 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1472 transitions. [2021-11-13 01:38:51,865 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1472 transitions. Word has length 24 [2021-11-13 01:38:51,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:51,865 INFO L470 AbstractCegarLoop]: Abstraction has 768 states and 1472 transitions. [2021-11-13 01:38:51,865 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) [2021-11-13 01:38:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1472 transitions. [2021-11-13 01:38:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:51,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:51,866 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] [2021-11-13 01:38:51,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-13 01:38:51,866 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)] === [2021-11-13 01:38:51,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:51,867 INFO L85 PathProgramCache]: Analyzing trace with hash -501435714, now seen corresponding path program 14 times [2021-11-13 01:38:51,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:51,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905669848] [2021-11-13 01:38:51,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:51,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:52,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:52,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905669848] [2021-11-13 01:38:52,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905669848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:52,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:52,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:52,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444714057] [2021-11-13 01:38:52,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:52,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:52,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:52,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:52,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:52,098 INFO L87 Difference]: Start difference. First operand 768 states and 1472 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) [2021-11-13 01:38:53,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:53,691 INFO L93 Difference]: Finished difference Result 1469 states and 2811 transitions. [2021-11-13 01:38:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:38:53,691 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 [2021-11-13 01:38:53,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:53,693 INFO L225 Difference]: With dead ends: 1469 [2021-11-13 01:38:53,693 INFO L226 Difference]: Without dead ends: 1469 [2021-11-13 01:38:53,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:38:53,694 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 132 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1213.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.48ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1428.79ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:53,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 254 Invalid, 1821 Unknown, 0 Unchecked, 4.48ms Time], IncrementalHoareTripleChecker [25 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 1428.79ms Time] [2021-11-13 01:38:53,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2021-11-13 01:38:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 777. [2021-11-13 01:38:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 768 states have (on average 1.9401041666666667) internal successors, (1490), 776 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1490 transitions. [2021-11-13 01:38:53,706 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1490 transitions. Word has length 24 [2021-11-13 01:38:53,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:53,706 INFO L470 AbstractCegarLoop]: Abstraction has 777 states and 1490 transitions. [2021-11-13 01:38:53,706 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) [2021-11-13 01:38:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1490 transitions. [2021-11-13 01:38:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:53,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:53,708 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] [2021-11-13 01:38:53,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-13 01:38:53,708 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)] === [2021-11-13 01:38:53,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:53,708 INFO L85 PathProgramCache]: Analyzing trace with hash -454068024, now seen corresponding path program 15 times [2021-11-13 01:38:53,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:53,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146482838] [2021-11-13 01:38:53,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:53,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:53,908 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:53,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146482838] [2021-11-13 01:38:53,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146482838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:53,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:53,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:53,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679960752] [2021-11-13 01:38:53,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:53,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:53,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:53,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:53,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:53,910 INFO L87 Difference]: Start difference. First operand 777 states and 1490 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) [2021-11-13 01:38:54,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:54,849 INFO L93 Difference]: Finished difference Result 1386 states and 2650 transitions. [2021-11-13 01:38:54,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:38:54,850 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 [2021-11-13 01:38:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:54,851 INFO L225 Difference]: With dead ends: 1386 [2021-11-13 01:38:54,851 INFO L226 Difference]: Without dead ends: 1386 [2021-11-13 01:38:54,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:38:54,852 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 104 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 709.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.28ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 829.96ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:54,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 286 Invalid, 859 Unknown, 0 Unchecked, 3.28ms Time], IncrementalHoareTripleChecker [37 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 829.96ms Time] [2021-11-13 01:38:54,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2021-11-13 01:38:54,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 762. [2021-11-13 01:38:54,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 753 states have (on average 1.9389110225763613) internal successors, (1460), 761 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1460 transitions. [2021-11-13 01:38:54,867 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1460 transitions. Word has length 24 [2021-11-13 01:38:54,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:54,867 INFO L470 AbstractCegarLoop]: Abstraction has 762 states and 1460 transitions. [2021-11-13 01:38:54,867 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) [2021-11-13 01:38:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1460 transitions. [2021-11-13 01:38:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:54,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:54,868 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] [2021-11-13 01:38:54,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-13 01:38:54,869 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)] === [2021-11-13 01:38:54,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1201716584, now seen corresponding path program 16 times [2021-11-13 01:38:54,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:54,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795063111] [2021-11-13 01:38:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:54,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:55,079 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:55,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795063111] [2021-11-13 01:38:55,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795063111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:55,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:55,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:55,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264414952] [2021-11-13 01:38:55,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:55,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:55,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:55,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:55,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:55,081 INFO L87 Difference]: Start difference. First operand 762 states and 1460 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) [2021-11-13 01:38:57,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:57,073 INFO L93 Difference]: Finished difference Result 1797 states and 3419 transitions. [2021-11-13 01:38:57,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:38:57,074 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 [2021-11-13 01:38:57,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:57,076 INFO L225 Difference]: With dead ends: 1797 [2021-11-13 01:38:57,076 INFO L226 Difference]: Without dead ends: 1797 [2021-11-13 01:38:57,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:38:57,076 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 235 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1388.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.31ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1627.13ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:57,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 155 Invalid, 1780 Unknown, 0 Unchecked, 5.31ms Time], IncrementalHoareTripleChecker [35 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 1627.13ms Time] [2021-11-13 01:38:57,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2021-11-13 01:38:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 761. [2021-11-13 01:38:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 752 states have (on average 1.9388297872340425) internal successors, (1458), 760 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1458 transitions. [2021-11-13 01:38:57,093 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1458 transitions. Word has length 24 [2021-11-13 01:38:57,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:57,094 INFO L470 AbstractCegarLoop]: Abstraction has 761 states and 1458 transitions. [2021-11-13 01:38:57,094 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) [2021-11-13 01:38:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1458 transitions. [2021-11-13 01:38:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:57,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:57,095 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] [2021-11-13 01:38:57,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-13 01:38:57,096 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)] === [2021-11-13 01:38:57,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:57,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1249084274, now seen corresponding path program 17 times [2021-11-13 01:38:57,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:57,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930093741] [2021-11-13 01:38:57,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:57,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:57,278 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:57,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930093741] [2021-11-13 01:38:57,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930093741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:57,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:57,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:38:57,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625453793] [2021-11-13 01:38:57,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:57,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:38:57,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:57,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:38:57,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:38:57,280 INFO L87 Difference]: Start difference. First operand 761 states and 1458 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) [2021-11-13 01:38:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:58,816 INFO L93 Difference]: Finished difference Result 1630 states and 3129 transitions. [2021-11-13 01:38:58,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-13 01:38:58,816 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 [2021-11-13 01:38:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:58,818 INFO L225 Difference]: With dead ends: 1630 [2021-11-13 01:38:58,818 INFO L226 Difference]: Without dead ends: 1630 [2021-11-13 01:38:58,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:38:58,819 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 235 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1037.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.16ms SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1210.13ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:58,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 170 Invalid, 1503 Unknown, 0 Unchecked, 4.16ms Time], IncrementalHoareTripleChecker [58 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1210.13ms Time] [2021-11-13 01:38:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2021-11-13 01:38:58,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 679. [2021-11-13 01:38:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 671 states have (on average 1.9359165424739195) internal successors, (1299), 678 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:58,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1299 transitions. [2021-11-13 01:38:58,838 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1299 transitions. Word has length 24 [2021-11-13 01:38:58,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:58,838 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 1299 transitions. [2021-11-13 01:38:58,839 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) [2021-11-13 01:38:58,839 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1299 transitions. [2021-11-13 01:38:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 01:38:58,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:58,839 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] [2021-11-13 01:38:58,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-13 01:38:58,840 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:58,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:58,840 INFO L85 PathProgramCache]: Analyzing trace with hash 364939152, now seen corresponding path program 1 times [2021-11-13 01:38:58,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:58,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875196693] [2021-11-13 01:38:58,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:58,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:58,942 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:58,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875196693] [2021-11-13 01:38:58,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875196693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:58,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:58,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:38:58,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996953366] [2021-11-13 01:38:58,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:58,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:38:58,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:58,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:38:58,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:38:58,944 INFO L87 Difference]: Start difference. First operand 679 states and 1299 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) [2021-11-13 01:38:59,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:59,349 INFO L93 Difference]: Finished difference Result 786 states and 1500 transitions. [2021-11-13 01:38:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:38:59,350 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 [2021-11-13 01:38:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:59,351 INFO L225 Difference]: With dead ends: 786 [2021-11-13 01:38:59,351 INFO L226 Difference]: Without dead ends: 786 [2021-11-13 01:38:59,351 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 [2021-11-13 01:38:59,352 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 38 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 336.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 396.53ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:59,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 25 Invalid, 380 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [19 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 396.53ms Time] [2021-11-13 01:38:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2021-11-13 01:38:59,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 726. [2021-11-13 01:38:59,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 718 states have (on average 1.934540389972145) internal successors, (1389), 725 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1389 transitions. [2021-11-13 01:38:59,368 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1389 transitions. Word has length 27 [2021-11-13 01:38:59,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:59,368 INFO L470 AbstractCegarLoop]: Abstraction has 726 states and 1389 transitions. [2021-11-13 01:38:59,368 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) [2021-11-13 01:38:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1389 transitions. [2021-11-13 01:38:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 01:38:59,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:59,369 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] [2021-11-13 01:38:59,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-13 01:38:59,370 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:59,370 INFO L85 PathProgramCache]: Analyzing trace with hash 586118922, now seen corresponding path program 1 times [2021-11-13 01:38:59,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:59,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414987672] [2021-11-13 01:38:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:59,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:59,406 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:59,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414987672] [2021-11-13 01:38:59,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414987672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:59,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:59,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 01:38:59,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850529] [2021-11-13 01:38:59,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:59,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:38:59,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:59,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:38:59,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:38:59,409 INFO L87 Difference]: Start difference. First operand 726 states and 1389 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:59,510 INFO L93 Difference]: Finished difference Result 280 states and 492 transitions. [2021-11-13 01:38:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:38:59,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-13 01:38:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:59,511 INFO L225 Difference]: With dead ends: 280 [2021-11-13 01:38:59,511 INFO L226 Difference]: Without dead ends: 280 [2021-11-13 01:38:59,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:38:59,511 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 25 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.20ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.30ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:59,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 41 Invalid, 40 Unknown, 0 Unchecked, 0.20ms Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 98.30ms Time] [2021-11-13 01:38:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-11-13 01:38:59,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2021-11-13 01:38:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 1.7697841726618706) internal successors, (492), 279 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 492 transitions. [2021-11-13 01:38:59,516 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 492 transitions. Word has length 30 [2021-11-13 01:38:59,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:59,517 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 492 transitions. [2021-11-13 01:38:59,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 492 transitions. [2021-11-13 01:38:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 01:38:59,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:59,518 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, 1, 1, 1] [2021-11-13 01:38:59,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-13 01:38:59,518 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-13 01:38:59,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:59,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1561870997, now seen corresponding path program 1 times [2021-11-13 01:38:59,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:59,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102389704] [2021-11-13 01:38:59,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:59,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:59,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:59,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102389704] [2021-11-13 01:38:59,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102389704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:59,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:59,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:38:59,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254836353] [2021-11-13 01:38:59,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:59,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:38:59,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:59,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:38:59,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:38:59,615 INFO L87 Difference]: Start difference. First operand 280 states and 492 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:59,810 INFO L93 Difference]: Finished difference Result 277 states and 488 transitions. [2021-11-13 01:38:59,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:38:59,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-13 01:38:59,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:59,811 INFO L225 Difference]: With dead ends: 277 [2021-11-13 01:38:59,811 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 01:38:59,811 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 [2021-11-13 01:38:59,812 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 169.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.27ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 192.47ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:59,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 124 Unknown, 0 Unchecked, 0.27ms Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 192.47ms Time] [2021-11-13 01:38:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 01:38:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 01:38:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 01:38:59,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-11-13 01:38:59,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:59,813 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 01:38:59,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 01:38:59,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 01:38:59,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2021-11-13 01:38:59,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2021-11-13 01:38:59,816 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2021-11-13 01:38:59,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2021-11-13 01:38:59,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2021-11-13 01:38:59,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2021-11-13 01:38:59,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2021-11-13 01:38:59,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2021-11-13 01:38:59,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2021-11-13 01:38:59,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2021-11-13 01:38:59,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2021-11-13 01:38:59,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 26 remaining) [2021-11-13 01:38:59,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2021-11-13 01:38:59,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2021-11-13 01:38:59,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2021-11-13 01:38:59,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2021-11-13 01:38:59,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2021-11-13 01:38:59,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2021-11-13 01:38:59,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2021-11-13 01:38:59,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2021-11-13 01:38:59,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2021-11-13 01:38:59,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2021-11-13 01:38:59,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2021-11-13 01:38:59,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2021-11-13 01:38:59,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2021-11-13 01:38:59,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2021-11-13 01:38:59,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-13 01:38:59,824 INFO L732 BasicCegarLoop]: Path program histogram: [28, 17, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:59,829 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 01:38:59,829 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:38:59,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:38:59 BasicIcfg [2021-11-13 01:38:59,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:38:59,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:38:59,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:38:59,832 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:38:59,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:30:52" (3/4) ... [2021-11-13 01:38:59,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:38:59,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-13 01:38:59,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 01:38:59,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-13 01:38:59,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 01:38:59,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:38:59,891 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:38:59,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:38:59,892 INFO L158 Benchmark]: Toolchain (without parser) took 489297.05ms. Allocated memory was 111.1MB in the beginning and 199.2MB in the end (delta: 88.1MB). Free memory was 70.4MB in the beginning and 112.2MB in the end (delta: -41.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-11-13 01:38:59,892 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:38:59,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.95ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 57.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 01:38:59,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.82ms. Allocated memory is still 111.1MB. Free memory was 57.8MB in the beginning and 54.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:38:59,893 INFO L158 Benchmark]: Boogie Preprocessor took 76.80ms. Allocated memory is still 111.1MB. Free memory was 54.3MB in the beginning and 52.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:38:59,893 INFO L158 Benchmark]: RCFGBuilder took 735.78ms. Allocated memory is still 111.1MB. Free memory was 51.6MB in the beginning and 74.9MB in the end (delta: -23.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-13 01:38:59,893 INFO L158 Benchmark]: TraceAbstraction took 487397.76ms. Allocated memory was 111.1MB in the beginning and 199.2MB in the end (delta: 88.1MB). Free memory was 74.3MB in the beginning and 116.4MB in the end (delta: -42.1MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-13 01:38:59,893 INFO L158 Benchmark]: Witness Printer took 59.89ms. Allocated memory is still 199.2MB. Free memory was 116.4MB in the beginning and 112.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 01:38:59,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.95ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 57.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.82ms. Allocated memory is still 111.1MB. Free memory was 57.8MB in the beginning and 54.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.80ms. Allocated memory is still 111.1MB. Free memory was 54.3MB in the beginning and 52.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.78ms. Allocated memory is still 111.1MB. Free memory was 51.6MB in the beginning and 74.9MB in the end (delta: -23.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 487397.76ms. Allocated memory was 111.1MB in the beginning and 199.2MB in the end (delta: 88.1MB). Free memory was 74.3MB in the beginning and 116.4MB in the end (delta: -42.1MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Witness Printer took 59.89ms. Allocated memory is still 199.2MB. Free memory was 116.4MB in the beginning and 112.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 372.4s, 212 PlacesBefore, 72 PlacesAfterwards, 208 TransitionsBefore, 68 TransitionsAfterwards, 4288 CoEnabledTransitionPairs, 21 FixpointIterations, 136 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 216 TotalNumberOfCompositions, 59788 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12153, positive: 9907, positive conditional: 0, positive unconditional: 9907, negative: 2246, negative conditional: 0, negative unconditional: 2246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2935, positive: 2794, positive conditional: 0, positive unconditional: 2794, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2935, positive: 2296, positive conditional: 0, positive unconditional: 2296, negative: 639, negative conditional: 0, negative unconditional: 639, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 639, positive: 498, positive conditional: 0, positive unconditional: 498, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 799, positive: 431, positive conditional: 0, positive unconditional: 431, negative: 368, negative conditional: 0, negative unconditional: 368, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12153, positive: 7113, positive conditional: 0, positive unconditional: 7113, negative: 2105, negative conditional: 0, negative unconditional: 2105, unknown: 2935, unknown conditional: 0, unknown unconditional: 2935] , Statistics on independence cache: Total cache size (in pairs): 485, Positive cache size: 393, Positive conditional cache size: 0, Positive unconditional cache size: 393, 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 - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1248]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1254]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 278 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 487.2s, OverallIterations: 68, TraceHistogramMax: 1, PathProgramHistogramMax: 28, EmptinessCheckTime: 0.1s, AutomataDifference: 94.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 372.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10207 SdHoareTripleChecker+Valid, 77780.22ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10207 mSDsluCounter, 9330 SdHoareTripleChecker+Invalid, 66147.86ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17993 mSDsCounter, 4800 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91183 IncrementalHoareTripleChecker+Invalid, 95983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4800 mSolverCounterUnsat, 2646 mSDtfsCounter, 91183 mSolverCounterSat, 269.45ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1516 GetRequests, 8 SyntacticMatches, 76 SemanticMatches, 1432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6843 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1053occurred in iteration=29, InterpolantAutomatonStates: 1351, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 68 MinimizatonAttempts, 35386 StatesRemovedByMinimization, 64 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 1321 NumberOfCodeBlocks, 1321 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 24739 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 68 InterpolantComputations, 68 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-13 01:38:59,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5f5337-8281-4e9d-9dbe-5ce8c0c143ec/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE