./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/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_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/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_42e3c963-df7e-4c78-93bd-f0f46f2472b6/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 a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:34:34,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:34:34,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:34:34,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:34:34,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:34:34,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:34:34,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:34:34,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:34:34,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:34:34,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:34:34,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:34:34,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:34:34,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:34:34,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:34:34,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:34:34,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:34:34,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:34:34,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:34:34,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:34:34,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:34:34,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:34:34,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:34:34,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:34:34,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:34:34,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:34:34,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:34:34,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:34:34,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:34:34,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:34:34,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:34:34,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:34:34,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:34:34,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:34:34,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:34:34,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:34:34,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:34:34,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:34:34,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:34:34,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:34:34,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:34:34,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:34:34,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-13 01:34:34,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:34:34,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:34:34,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:34:34,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:34:34,961 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:34:34,961 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:34:34,961 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:34:34,962 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:34:34,962 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:34:34,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:34:34,963 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:34:34,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:34:34,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:34:34,964 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:34:34,964 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:34:34,964 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:34:34,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:34:34,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:34:34,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:34:34,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:34:34,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:34:34,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:34:34,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:34:34,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:34:34,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:34:34,968 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 01:34:34,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:34:34,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:34:34,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:34:34,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:34:34,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:34:34,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:34:34,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:34:34,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:34:34,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:34:34,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:34:34,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:34:34,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:34:34,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:34:34,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:34:34,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:34:34,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:34:34,973 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_42e3c963-df7e-4c78-93bd-f0f46f2472b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2021-11-13 01:34:35,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:34:35,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:34:35,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:34:35,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:34:35,321 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:34:35,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-13 01:34:35,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/data/6a2111848/c4a774adce554ef2a917eccf486086d7/FLAG93ce2a99e [2021-11-13 01:34:36,097 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:34:36,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-13 01:34:36,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/data/6a2111848/c4a774adce554ef2a917eccf486086d7/FLAG93ce2a99e [2021-11-13 01:34:36,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/data/6a2111848/c4a774adce554ef2a917eccf486086d7 [2021-11-13 01:34:36,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:34:36,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:34:36,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:34:36,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:34:36,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:34:36,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:34:36" (1/1) ... [2021-11-13 01:34:36,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef75e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:36, skipping insertion in model container [2021-11-13 01:34:36,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:34:36" (1/1) ... [2021-11-13 01:34:36,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:34:36,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:34:37,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:34:37,179 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:34:37,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:34:37,362 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:34:37,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37 WrapperNode [2021-11-13 01:34:37,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:34:37,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:34:37,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:34:37,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:34:37,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:34:37,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:34:37,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:34:37,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:34:37,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:34:37,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:34:37,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:34:37,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:34:37,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (1/1) ... [2021-11-13 01:34:37,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:34:37,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:34:37,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:34:37,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e3c963-df7e-4c78-93bd-f0f46f2472b6/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:34:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:34:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:34:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:34:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 01:34:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:34:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:34:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 01:34:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:34:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:34:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 01:34:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 01:34:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:34:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:34:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:34:37,768 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 01:34:38,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:34:38,654 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 01:34:38,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:34:38 BoogieIcfgContainer [2021-11-13 01:34:38,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:34:38,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:34:38,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:34:38,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:34:38,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:34:36" (1/3) ... [2021-11-13 01:34:38,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a09db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:34:38, skipping insertion in model container [2021-11-13 01:34:38,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:37" (2/3) ... [2021-11-13 01:34:38,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a09db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:34:38, skipping insertion in model container [2021-11-13 01:34:38,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:34:38" (3/3) ... [2021-11-13 01:34:38,668 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2021-11-13 01:34:38,675 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 01:34:38,675 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:34:38,676 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-11-13 01:34:38,676 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 01:34:38,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:34:38,845 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 01:34:38,898 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:34:38,906 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 01:34:38,907 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-13 01:34:38,926 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-13 01:34:38,942 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 276 transitions, 557 flow [2021-11-13 01:34:38,945 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 276 transitions, 557 flow [2021-11-13 01:34:38,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 276 transitions, 557 flow [2021-11-13 01:34:39,075 INFO L129 PetriNetUnfolder]: 2/275 cut-off events. [2021-11-13 01:34:39,075 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 01:34:39,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 275 events. 2/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 257 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-11-13 01:34:39,105 INFO L116 LiptonReduction]: Number of co-enabled transitions 19488 [2021-11-13 01:34:58,511 WARN L227 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 112 DAG size of output: 109 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:35:05,666 WARN L227 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 112 DAG size of output: 109 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:35:30,502 WARN L227 SmtUtils]: Spent 20.10s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:35:36,965 WARN L227 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 236 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:35:59,847 WARN L227 SmtUtils]: Spent 22.88s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:36:20,752 WARN L227 SmtUtils]: Spent 20.90s on a formula simplification that was a NOOP. DAG size: 236 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 01:36:20,758 INFO L131 LiptonReduction]: Checked pairs total: 142676 [2021-11-13 01:36:20,759 INFO L133 LiptonReduction]: Total number of compositions: 169 [2021-11-13 01:36:20,768 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 131 transitions, 267 flow [2021-11-13 01:36:20,881 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-13 01:36:20,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:20,902 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-13 01:36:20,902 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:20,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:20,909 INFO L85 PathProgramCache]: Analyzing trace with hash 849, now seen corresponding path program 1 times [2021-11-13 01:36:20,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:20,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007201875] [2021-11-13 01:36:20,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:20,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:21,048 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 01:36:21,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:21,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007201875] [2021-11-13 01:36:21,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007201875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:21,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:21,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-13 01:36:21,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797308444] [2021-11-13 01:36:21,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:21,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:36:21,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:21,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:36:21,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:36:21,099 INFO L87 Difference]: Start difference. First operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:21,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:21,315 INFO L93 Difference]: Finished difference Result 3791 states and 7511 transitions. [2021-11-13 01:36:21,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:36:21,317 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 01:36:21,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:21,370 INFO L225 Difference]: With dead ends: 3791 [2021-11-13 01:36:21,371 INFO L226 Difference]: Without dead ends: 3791 [2021-11-13 01:36:21,372 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 01:36:21,376 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 109.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.57ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:21,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 43 Unknown, 0 Unchecked, 3.59ms Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 129.57ms Time] [2021-11-13 01:36:21,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2021-11-13 01:36:21,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2021-11-13 01:36:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3791 states, 3712 states have (on average 2.0234375) internal successors, (7511), 3790 states have internal predecessors, (7511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 7511 transitions. [2021-11-13 01:36:21,702 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 7511 transitions. Word has length 1 [2021-11-13 01:36:21,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:21,703 INFO L470 AbstractCegarLoop]: Abstraction has 3791 states and 7511 transitions. [2021-11-13 01:36:21,703 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 01:36:21,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 7511 transitions. [2021-11-13 01:36:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 01:36:21,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:21,704 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:21,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:36:21,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:21,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 859458955, now seen corresponding path program 1 times [2021-11-13 01:36:21,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:21,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496389942] [2021-11-13 01:36:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:21,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:22,012 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 01:36:22,012 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:22,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496389942] [2021-11-13 01:36:22,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496389942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:22,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:22,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:36:22,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566076908] [2021-11-13 01:36:22,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:22,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:36:22,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:22,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:36:22,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:22,016 INFO L87 Difference]: Start difference. First operand 3791 states and 7511 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:23,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:23,700 INFO L93 Difference]: Finished difference Result 4048 states and 8020 transitions. [2021-11-13 01:36:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:36:23,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-13 01:36:23,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:23,736 INFO L225 Difference]: With dead ends: 4048 [2021-11-13 01:36:23,736 INFO L226 Difference]: Without dead ends: 4048 [2021-11-13 01:36:23,737 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 01:36:23,738 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 105 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1355.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.42ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1580.38ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:23,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 102 Invalid, 1082 Unknown, 0 Unchecked, 13.42ms Time], IncrementalHoareTripleChecker [5 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1580.38ms Time] [2021-11-13 01:36:23,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2021-11-13 01:36:23,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 3996. [2021-11-13 01:36:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3996 states, 3917 states have (on average 2.0211896859841714) internal successors, (7917), 3995 states have internal predecessors, (7917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 7917 transitions. [2021-11-13 01:36:23,956 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 7917 transitions. Word has length 8 [2021-11-13 01:36:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:23,957 INFO L470 AbstractCegarLoop]: Abstraction has 3996 states and 7917 transitions. [2021-11-13 01:36:23,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 7917 transitions. [2021-11-13 01:36:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:36:23,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:23,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:23,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 01:36:23,959 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash 485596376, now seen corresponding path program 1 times [2021-11-13 01:36:23,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:23,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021111053] [2021-11-13 01:36:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:23,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:24,129 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 01:36:24,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:24,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021111053] [2021-11-13 01:36:24,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021111053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:24,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:24,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:36:24,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371198375] [2021-11-13 01:36:24,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:24,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:36:24,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:24,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:36:24,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:24,132 INFO L87 Difference]: Start difference. First operand 3996 states and 7917 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:25,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:25,721 INFO L93 Difference]: Finished difference Result 4331 states and 8587 transitions. [2021-11-13 01:36:25,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:36:25,722 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 01:36:25,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:25,760 INFO L225 Difference]: With dead ends: 4331 [2021-11-13 01:36:25,760 INFO L226 Difference]: Without dead ends: 4331 [2021-11-13 01:36:25,760 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 01:36:25,762 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 133 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1305.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.82ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1509.02ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:25,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 124 Invalid, 986 Unknown, 0 Unchecked, 10.82ms Time], IncrementalHoareTripleChecker [7 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1509.02ms Time] [2021-11-13 01:36:25,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-11-13 01:36:25,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4261. [2021-11-13 01:36:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 4182 states have (on average 2.0198469631755143) internal successors, (8447), 4260 states have internal predecessors, (8447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 8447 transitions. [2021-11-13 01:36:26,008 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 8447 transitions. Word has length 9 [2021-11-13 01:36:26,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:26,009 INFO L470 AbstractCegarLoop]: Abstraction has 4261 states and 8447 transitions. [2021-11-13 01:36:26,010 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 01:36:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 8447 transitions. [2021-11-13 01:36:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:26,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:26,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:26,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 01:36:26,014 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:26,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:26,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1668277594, now seen corresponding path program 1 times [2021-11-13 01:36:26,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:26,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031061832] [2021-11-13 01:36:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:26,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:26,338 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 01:36:26,339 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:26,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031061832] [2021-11-13 01:36:26,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031061832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:26,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:26,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:26,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686550519] [2021-11-13 01:36:26,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:26,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:26,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:26,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:26,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:26,342 INFO L87 Difference]: Start difference. First operand 4261 states and 8447 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:29,294 INFO L93 Difference]: Finished difference Result 8503 states and 16859 transitions. [2021-11-13 01:36:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 01:36:29,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:29,370 INFO L225 Difference]: With dead ends: 8503 [2021-11-13 01:36:29,370 INFO L226 Difference]: Without dead ends: 8503 [2021-11-13 01:36:29,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:36:29,372 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 672 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2217.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.86ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2613.73ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:29,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [672 Valid, 383 Invalid, 1846 Unknown, 0 Unchecked, 18.86ms Time], IncrementalHoareTripleChecker [73 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 2613.73ms Time] [2021-11-13 01:36:29,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8503 states. [2021-11-13 01:36:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8503 to 4337. [2021-11-13 01:36:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4337 states, 4258 states have (on average 2.0204321277595114) internal successors, (8603), 4336 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 8603 transitions. [2021-11-13 01:36:29,605 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 8603 transitions. Word has length 11 [2021-11-13 01:36:29,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:29,605 INFO L470 AbstractCegarLoop]: Abstraction has 4337 states and 8603 transitions. [2021-11-13 01:36:29,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 8603 transitions. [2021-11-13 01:36:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:29,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:29,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:29,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 01:36:29,611 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:29,616 INFO L85 PathProgramCache]: Analyzing trace with hash 765254497, now seen corresponding path program 1 times [2021-11-13 01:36:29,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:29,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353589461] [2021-11-13 01:36:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:29,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:29,877 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 01:36:29,878 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:29,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353589461] [2021-11-13 01:36:29,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353589461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:29,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:29,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:29,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035563604] [2021-11-13 01:36:29,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:29,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:29,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:29,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:29,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:29,880 INFO L87 Difference]: Start difference. First operand 4337 states and 8603 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:32,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:32,132 INFO L93 Difference]: Finished difference Result 8455 states and 16757 transitions. [2021-11-13 01:36:32,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:36:32,133 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:32,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:32,175 INFO L225 Difference]: With dead ends: 8455 [2021-11-13 01:36:32,176 INFO L226 Difference]: Without dead ends: 8455 [2021-11-13 01:36:32,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:36:32,177 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 738 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1509.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.45ms SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1831.29ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:32,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 343 Invalid, 1707 Unknown, 0 Unchecked, 10.45ms Time], IncrementalHoareTripleChecker [110 Valid, 1597 Invalid, 0 Unknown, 0 Unchecked, 1831.29ms Time] [2021-11-13 01:36:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8455 states. [2021-11-13 01:36:32,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8455 to 4435. [2021-11-13 01:36:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4435 states, 4356 states have (on average 2.0220385674931127) internal successors, (8808), 4434 states have internal predecessors, (8808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 8808 transitions. [2021-11-13 01:36:32,373 INFO L78 Accepts]: Start accepts. Automaton has 4435 states and 8808 transitions. Word has length 11 [2021-11-13 01:36:32,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:32,374 INFO L470 AbstractCegarLoop]: Abstraction has 4435 states and 8808 transitions. [2021-11-13 01:36:32,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 8808 transitions. [2021-11-13 01:36:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:32,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:32,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:32,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 01:36:32,382 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:32,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:32,383 INFO L85 PathProgramCache]: Analyzing trace with hash -167622786, now seen corresponding path program 2 times [2021-11-13 01:36:32,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:32,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149475570] [2021-11-13 01:36:32,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:32,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:32,659 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 01:36:32,659 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:32,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149475570] [2021-11-13 01:36:32,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149475570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:32,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:32,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:32,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063322730] [2021-11-13 01:36:32,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:32,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:32,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:32,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:32,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:32,662 INFO L87 Difference]: Start difference. First operand 4435 states and 8808 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:35,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:35,417 INFO L93 Difference]: Finished difference Result 12542 states and 24813 transitions. [2021-11-13 01:36:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:36:35,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:35,464 INFO L225 Difference]: With dead ends: 12542 [2021-11-13 01:36:35,465 INFO L226 Difference]: Without dead ends: 12542 [2021-11-13 01:36:35,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:36:35,466 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 749 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2037.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.89ms SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2431.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:35,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [749 Valid, 635 Invalid, 2272 Unknown, 0 Unchecked, 10.89ms Time], IncrementalHoareTripleChecker [80 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 2431.87ms Time] [2021-11-13 01:36:35,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2021-11-13 01:36:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 4471. [2021-11-13 01:36:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4471 states, 4392 states have (on average 2.022768670309654) internal successors, (8884), 4470 states have internal predecessors, (8884), 0 states have call successors, (0), 0 states 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 01:36:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4471 states to 4471 states and 8884 transitions. [2021-11-13 01:36:35,699 INFO L78 Accepts]: Start accepts. Automaton has 4471 states and 8884 transitions. Word has length 11 [2021-11-13 01:36:35,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:35,699 INFO L470 AbstractCegarLoop]: Abstraction has 4471 states and 8884 transitions. [2021-11-13 01:36:35,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4471 states and 8884 transitions. [2021-11-13 01:36:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:35,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:35,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:35,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 01:36:35,702 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:35,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:35,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1070645883, now seen corresponding path program 2 times [2021-11-13 01:36:35,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:35,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586301625] [2021-11-13 01:36:35,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:35,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:35,881 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 01:36:35,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:35,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586301625] [2021-11-13 01:36:35,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586301625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:35,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:35,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:35,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235969108] [2021-11-13 01:36:35,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:35,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:35,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:35,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:35,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:35,884 INFO L87 Difference]: Start difference. First operand 4471 states and 8884 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:39,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:39,066 INFO L93 Difference]: Finished difference Result 12648 states and 25010 transitions. [2021-11-13 01:36:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:36:39,081 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:39,164 INFO L225 Difference]: With dead ends: 12648 [2021-11-13 01:36:39,164 INFO L226 Difference]: Without dead ends: 12648 [2021-11-13 01:36:39,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:36:39,166 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 696 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2356.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 2886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.11ms SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2836.24ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:39,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 588 Invalid, 2886 Unknown, 0 Unchecked, 12.11ms Time], IncrementalHoareTripleChecker [136 Valid, 2750 Invalid, 0 Unknown, 0 Unchecked, 2836.24ms Time] [2021-11-13 01:36:39,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12648 states. [2021-11-13 01:36:39,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12648 to 4336. [2021-11-13 01:36:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4336 states, 4257 states have (on average 2.019497298567066) internal successors, (8597), 4335 states have internal predecessors, (8597), 0 states have call successors, (0), 0 states 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 01:36:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 8597 transitions. [2021-11-13 01:36:39,344 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 8597 transitions. Word has length 11 [2021-11-13 01:36:39,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:39,345 INFO L470 AbstractCegarLoop]: Abstraction has 4336 states and 8597 transitions. [2021-11-13 01:36:39,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 8597 transitions. [2021-11-13 01:36:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:39,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:39,347 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:39,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 01:36:39,347 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:39,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:39,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1493079856, now seen corresponding path program 3 times [2021-11-13 01:36:39,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:39,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619588910] [2021-11-13 01:36:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:39,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:39,619 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 01:36:39,620 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:39,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619588910] [2021-11-13 01:36:39,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619588910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:39,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:39,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:39,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843440663] [2021-11-13 01:36:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:39,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:39,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:39,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:39,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:39,622 INFO L87 Difference]: Start difference. First operand 4336 states and 8597 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:42,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:42,275 INFO L93 Difference]: Finished difference Result 4548 states and 8968 transitions. [2021-11-13 01:36:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 01:36:42,275 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:42,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:42,289 INFO L225 Difference]: With dead ends: 4548 [2021-11-13 01:36:42,289 INFO L226 Difference]: Without dead ends: 4548 [2021-11-13 01:36:42,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:36:42,290 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 372 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2112.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.20ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2454.38ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:42,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 448 Invalid, 2328 Unknown, 0 Unchecked, 10.20ms Time], IncrementalHoareTripleChecker [45 Valid, 2283 Invalid, 0 Unknown, 0 Unchecked, 2454.38ms Time] [2021-11-13 01:36:42,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4548 states. [2021-11-13 01:36:42,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4548 to 4341. [2021-11-13 01:36:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4341 states, 4262 states have (on average 2.0194744251525107) internal successors, (8607), 4340 states have internal predecessors, (8607), 0 states have call successors, (0), 0 states 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 01:36:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 4341 states and 8607 transitions. [2021-11-13 01:36:42,428 INFO L78 Accepts]: Start accepts. Automaton has 4341 states and 8607 transitions. Word has length 11 [2021-11-13 01:36:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:42,428 INFO L470 AbstractCegarLoop]: Abstraction has 4341 states and 8607 transitions. [2021-11-13 01:36:42,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 8607 transitions. [2021-11-13 01:36:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:42,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:42,430 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:42,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 01:36:42,430 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:42,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:42,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1486564276, now seen corresponding path program 4 times [2021-11-13 01:36:42,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:42,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029682723] [2021-11-13 01:36:42,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:42,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:42,676 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 01:36:42,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:42,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029682723] [2021-11-13 01:36:42,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029682723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:42,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:42,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:42,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335962430] [2021-11-13 01:36:42,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:42,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:42,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:42,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:42,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:42,679 INFO L87 Difference]: Start difference. First operand 4341 states and 8607 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:45,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:45,210 INFO L93 Difference]: Finished difference Result 4588 states and 9048 transitions. [2021-11-13 01:36:45,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:36:45,211 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:45,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:45,220 INFO L225 Difference]: With dead ends: 4588 [2021-11-13 01:36:45,221 INFO L226 Difference]: Without dead ends: 4588 [2021-11-13 01:36:45,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:36:45,222 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 384 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1974.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.88ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2296.69ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:45,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 435 Invalid, 2071 Unknown, 0 Unchecked, 9.88ms Time], IncrementalHoareTripleChecker [73 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 2296.69ms Time] [2021-11-13 01:36:45,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2021-11-13 01:36:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 4350. [2021-11-13 01:36:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4350 states, 4271 states have (on average 2.0196675251697496) internal successors, (8626), 4349 states have internal predecessors, (8626), 0 states have call successors, (0), 0 states 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 01:36:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4350 states to 4350 states and 8626 transitions. [2021-11-13 01:36:45,325 INFO L78 Accepts]: Start accepts. Automaton has 4350 states and 8626 transitions. Word has length 11 [2021-11-13 01:36:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:45,325 INFO L470 AbstractCegarLoop]: Abstraction has 4350 states and 8626 transitions. [2021-11-13 01:36:45,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 4350 states and 8626 transitions. [2021-11-13 01:36:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:45,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:45,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:45,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 01:36:45,327 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:45,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:45,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1283687566, now seen corresponding path program 5 times [2021-11-13 01:36:45,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:45,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715424077] [2021-11-13 01:36:45,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:45,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:45,555 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 01:36:45,556 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:45,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715424077] [2021-11-13 01:36:45,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715424077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:45,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:45,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:45,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037425694] [2021-11-13 01:36:45,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:45,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:45,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:45,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:45,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:45,558 INFO L87 Difference]: Start difference. First operand 4350 states and 8626 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:47,889 INFO L93 Difference]: Finished difference Result 4627 states and 9127 transitions. [2021-11-13 01:36:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:36:47,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:47,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:47,900 INFO L225 Difference]: With dead ends: 4627 [2021-11-13 01:36:47,900 INFO L226 Difference]: Without dead ends: 4627 [2021-11-13 01:36:47,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:36:47,902 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 363 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1833.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.28ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2127.33ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:47,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 424 Invalid, 2060 Unknown, 0 Unchecked, 9.28ms Time], IncrementalHoareTripleChecker [66 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 2127.33ms Time] [2021-11-13 01:36:47,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2021-11-13 01:36:48,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 4359. [2021-11-13 01:36:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4359 states, 4280 states have (on average 2.0198598130841123) internal successors, (8645), 4358 states have internal predecessors, (8645), 0 states have call successors, (0), 0 states 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 01:36:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 8645 transitions. [2021-11-13 01:36:48,044 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 8645 transitions. Word has length 11 [2021-11-13 01:36:48,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:48,045 INFO L470 AbstractCegarLoop]: Abstraction has 4359 states and 8645 transitions. [2021-11-13 01:36:48,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 8645 transitions. [2021-11-13 01:36:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:48,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:48,046 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:48,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 01:36:48,046 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:48,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:48,047 INFO L85 PathProgramCache]: Analyzing trace with hash 738228778, now seen corresponding path program 6 times [2021-11-13 01:36:48,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:48,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175049720] [2021-11-13 01:36:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:48,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:48,291 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 01:36:48,291 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:48,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175049720] [2021-11-13 01:36:48,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175049720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:48,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:48,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:48,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034206685] [2021-11-13 01:36:48,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:48,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:48,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:48,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:48,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:48,294 INFO L87 Difference]: Start difference. First operand 4359 states and 8645 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:50,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:50,395 INFO L93 Difference]: Finished difference Result 4667 states and 9207 transitions. [2021-11-13 01:36:50,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:36:50,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:50,403 INFO L225 Difference]: With dead ends: 4667 [2021-11-13 01:36:50,404 INFO L226 Difference]: Without dead ends: 4667 [2021-11-13 01:36:50,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:36:50,411 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 333 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1616.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.17ms SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1899.54ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:50,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 416 Invalid, 1908 Unknown, 0 Unchecked, 8.17ms Time], IncrementalHoareTripleChecker [69 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 1899.54ms Time] [2021-11-13 01:36:50,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4667 states. [2021-11-13 01:36:50,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4667 to 4368. [2021-11-13 01:36:50,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4368 states, 4289 states have (on average 2.0200512940079274) internal successors, (8664), 4367 states have internal predecessors, (8664), 0 states have call successors, (0), 0 states 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 01:36:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 8664 transitions. [2021-11-13 01:36:50,541 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 8664 transitions. Word has length 11 [2021-11-13 01:36:50,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:50,541 INFO L470 AbstractCegarLoop]: Abstraction has 4368 states and 8664 transitions. [2021-11-13 01:36:50,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 8664 transitions. [2021-11-13 01:36:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:50,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:50,543 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:50,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 01:36:50,545 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:50,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:50,545 INFO L85 PathProgramCache]: Analyzing trace with hash -130754734, now seen corresponding path program 7 times [2021-11-13 01:36:50,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:50,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546743171] [2021-11-13 01:36:50,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:50,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:50,779 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 01:36:50,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:50,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546743171] [2021-11-13 01:36:50,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546743171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:50,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:50,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:50,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202028028] [2021-11-13 01:36:50,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:50,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:50,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:50,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:50,782 INFO L87 Difference]: Start difference. First operand 4368 states and 8664 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:53,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:53,444 INFO L93 Difference]: Finished difference Result 8409 states and 16619 transitions. [2021-11-13 01:36:53,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:36:53,445 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:53,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:53,459 INFO L225 Difference]: With dead ends: 8409 [2021-11-13 01:36:53,459 INFO L226 Difference]: Without dead ends: 8409 [2021-11-13 01:36:53,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:36:53,461 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 564 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2139.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.36ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2494.89ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:53,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [564 Valid, 675 Invalid, 2607 Unknown, 0 Unchecked, 11.36ms Time], IncrementalHoareTripleChecker [64 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 2494.89ms Time] [2021-11-13 01:36:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8409 states. [2021-11-13 01:36:53,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8409 to 4233. [2021-11-13 01:36:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4233 states, 4156 states have (on average 2.0190086621751684) internal successors, (8391), 4232 states have internal predecessors, (8391), 0 states have call successors, (0), 0 states 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 01:36:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 4233 states and 8391 transitions. [2021-11-13 01:36:53,601 INFO L78 Accepts]: Start accepts. Automaton has 4233 states and 8391 transitions. Word has length 11 [2021-11-13 01:36:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:53,602 INFO L470 AbstractCegarLoop]: Abstraction has 4233 states and 8391 transitions. [2021-11-13 01:36:53,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 4233 states and 8391 transitions. [2021-11-13 01:36:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:36:53,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:53,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:53,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-13 01:36:53,604 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:53,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:53,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1033777831, now seen corresponding path program 3 times [2021-11-13 01:36:53,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:53,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670065944] [2021-11-13 01:36:53,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:53,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:53,779 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 01:36:53,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:53,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670065944] [2021-11-13 01:36:53,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670065944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:53,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:53,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:53,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14763239] [2021-11-13 01:36:53,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:53,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:53,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:53,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:53,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:53,781 INFO L87 Difference]: Start difference. First operand 4233 states and 8391 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:56,494 INFO L93 Difference]: Finished difference Result 8399 states and 16589 transitions. [2021-11-13 01:36:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:36:56,495 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:36:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:56,508 INFO L225 Difference]: With dead ends: 8399 [2021-11-13 01:36:56,508 INFO L226 Difference]: Without dead ends: 8399 [2021-11-13 01:36:56,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:36:56,509 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 536 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2045.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.84ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2402.09ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:56,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 604 Invalid, 2561 Unknown, 0 Unchecked, 10.84ms Time], IncrementalHoareTripleChecker [63 Valid, 2498 Invalid, 0 Unknown, 0 Unchecked, 2402.09ms Time] [2021-11-13 01:36:56,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8399 states. [2021-11-13 01:36:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8399 to 4113. [2021-11-13 01:36:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4037 states have (on average 2.019073569482289) internal successors, (8151), 4112 states have internal predecessors, (8151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 8151 transitions. [2021-11-13 01:36:56,640 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 8151 transitions. Word has length 11 [2021-11-13 01:36:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:56,641 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 8151 transitions. [2021-11-13 01:36:56,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 8151 transitions. [2021-11-13 01:36:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 01:36:56,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:56,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:56,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-13 01:36:56,643 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:56,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2122511246, now seen corresponding path program 1 times [2021-11-13 01:36:56,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:56,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46891162] [2021-11-13 01:36:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:56,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:56,752 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 01:36:56,752 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:56,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46891162] [2021-11-13 01:36:56,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46891162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:56,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:56,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:36:56,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204754141] [2021-11-13 01:36:56,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:56,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:36:56,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:56,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:36:56,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:56,754 INFO L87 Difference]: Start difference. First operand 4113 states and 8151 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:57,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:57,578 INFO L93 Difference]: Finished difference Result 4314 states and 8549 transitions. [2021-11-13 01:36:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:36:57,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-13 01:36:57,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:57,586 INFO L225 Difference]: With dead ends: 4314 [2021-11-13 01:36:57,586 INFO L226 Difference]: Without dead ends: 4314 [2021-11-13 01:36:57,587 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 01:36:57,587 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 100 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 651.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 793.66ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:57,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 93 Invalid, 616 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [6 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 793.66ms Time] [2021-11-13 01:36:57,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2021-11-13 01:36:57,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4314. [2021-11-13 01:36:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4314 states, 4238 states have (on average 2.0172251061821616) internal successors, (8549), 4313 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 8549 transitions. [2021-11-13 01:36:57,691 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 8549 transitions. Word has length 14 [2021-11-13 01:36:57,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:57,691 INFO L470 AbstractCegarLoop]: Abstraction has 4314 states and 8549 transitions. [2021-11-13 01:36:57,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 8549 transitions. [2021-11-13 01:36:57,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 01:36:57,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:57,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:57,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-13 01:36:57,694 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:57,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1756716633, now seen corresponding path program 1 times [2021-11-13 01:36:57,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:57,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546029880] [2021-11-13 01:36:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:57,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:57,814 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 01:36:57,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:57,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546029880] [2021-11-13 01:36:57,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546029880] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:57,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:57,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:36:57,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542643674] [2021-11-13 01:36:57,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:57,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:36:57,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:57,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:36:57,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:57,816 INFO L87 Difference]: Start difference. First operand 4314 states and 8549 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:58,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:36:58,948 INFO L93 Difference]: Finished difference Result 4575 states and 9071 transitions. [2021-11-13 01:36:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:36:58,949 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 01:36:58,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:36:58,955 INFO L225 Difference]: With dead ends: 4575 [2021-11-13 01:36:58,956 INFO L226 Difference]: Without dead ends: 4575 [2021-11-13 01:36:58,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:36:58,957 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 128 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 947.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.94ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1098.83ms IncrementalHoareTripleChecker+Time [2021-11-13 01:36:58,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 117 Invalid, 919 Unknown, 0 Unchecked, 3.94ms Time], IncrementalHoareTripleChecker [4 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1098.83ms Time] [2021-11-13 01:36:58,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-11-13 01:36:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4575. [2021-11-13 01:36:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 4499 states have (on average 2.0162258279617693) internal successors, (9071), 4574 states have internal predecessors, (9071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:36:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 9071 transitions. [2021-11-13 01:36:59,051 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 9071 transitions. Word has length 15 [2021-11-13 01:36:59,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:36:59,051 INFO L470 AbstractCegarLoop]: Abstraction has 4575 states and 9071 transitions. [2021-11-13 01:36:59,052 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 01:36:59,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 9071 transitions. [2021-11-13 01:36:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:36:59,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:36:59,053 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:36:59,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-13 01:36:59,054 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:36:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:36:59,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1996097315, now seen corresponding path program 1 times [2021-11-13 01:36:59,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:36:59,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297074156] [2021-11-13 01:36:59,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:36:59,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:36:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:36:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:36:59,300 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:36:59,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297074156] [2021-11-13 01:36:59,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297074156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:36:59,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:36:59,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:36:59,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611080402] [2021-11-13 01:36:59,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:36:59,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:36:59,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:36:59,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:36:59,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:36:59,302 INFO L87 Difference]: Start difference. First operand 4575 states and 9071 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:01,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:01,688 INFO L93 Difference]: Finished difference Result 9012 states and 17869 transitions. [2021-11-13 01:37:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:37:01,689 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:01,703 INFO L225 Difference]: With dead ends: 9012 [2021-11-13 01:37:01,704 INFO L226 Difference]: Without dead ends: 9012 [2021-11-13 01:37:01,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:37:01,705 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 649 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1846.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.87ms SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2146.58ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:01,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [649 Valid, 380 Invalid, 1925 Unknown, 0 Unchecked, 9.87ms Time], IncrementalHoareTripleChecker [69 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 2146.58ms Time] [2021-11-13 01:37:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9012 states. [2021-11-13 01:37:01,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9012 to 4729. [2021-11-13 01:37:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-13 01:37:01,810 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-13 01:37:01,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:01,810 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-13 01:37:01,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-13 01:37:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:01,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:01,812 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:01,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-13 01:37:01,812 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:01,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1374243262, now seen corresponding path program 1 times [2021-11-13 01:37:01,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:01,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237022655] [2021-11-13 01:37:01,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:01,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:02,041 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 01:37:02,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:02,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237022655] [2021-11-13 01:37:02,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237022655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:02,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:02,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:02,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659269298] [2021-11-13 01:37:02,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:02,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:02,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:02,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:02,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:02,044 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:04,444 INFO L93 Difference]: Finished difference Result 8999 states and 17839 transitions. [2021-11-13 01:37:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:37:04,445 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:04,458 INFO L225 Difference]: With dead ends: 8999 [2021-11-13 01:37:04,458 INFO L226 Difference]: Without dead ends: 8999 [2021-11-13 01:37:04,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:37:04,459 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 718 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1750.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.94ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2061.12ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:04,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 354 Invalid, 1898 Unknown, 0 Unchecked, 9.94ms Time], IncrementalHoareTripleChecker [108 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 2061.12ms Time] [2021-11-13 01:37:04,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8999 states. [2021-11-13 01:37:04,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8999 to 5103. [2021-11-13 01:37:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5103 states, 5027 states have (on average 2.0306345733041575) internal successors, (10208), 5102 states have internal predecessors, (10208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 5103 states and 10208 transitions. [2021-11-13 01:37:04,563 INFO L78 Accepts]: Start accepts. Automaton has 5103 states and 10208 transitions. Word has length 17 [2021-11-13 01:37:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:04,564 INFO L470 AbstractCegarLoop]: Abstraction has 5103 states and 10208 transitions. [2021-11-13 01:37:04,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 10208 transitions. [2021-11-13 01:37:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:04,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:04,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:04,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-13 01:37:04,567 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash -114872319, now seen corresponding path program 2 times [2021-11-13 01:37:04,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:04,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837582953] [2021-11-13 01:37:04,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:04,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:04,755 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 01:37:04,755 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:04,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837582953] [2021-11-13 01:37:04,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837582953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:04,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:04,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:04,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363487026] [2021-11-13 01:37:04,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:04,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:04,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:04,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:04,757 INFO L87 Difference]: Start difference. First operand 5103 states and 10208 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:07,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:07,636 INFO L93 Difference]: Finished difference Result 13311 states and 26340 transitions. [2021-11-13 01:37:07,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:37:07,637 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:07,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:07,660 INFO L225 Difference]: With dead ends: 13311 [2021-11-13 01:37:07,661 INFO L226 Difference]: Without dead ends: 13311 [2021-11-13 01:37:07,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:37:07,662 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 670 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2252.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.10ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2625.81ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:07,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 644 Invalid, 2720 Unknown, 0 Unchecked, 11.10ms Time], IncrementalHoareTripleChecker [53 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 2625.81ms Time] [2021-11-13 01:37:07,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13311 states. [2021-11-13 01:37:07,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13311 to 5243. [2021-11-13 01:37:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 5167 states have (on average 2.0298045287400814) internal successors, (10488), 5242 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states 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 01:37:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 10488 transitions. [2021-11-13 01:37:07,798 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 10488 transitions. Word has length 17 [2021-11-13 01:37:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:07,798 INFO L470 AbstractCegarLoop]: Abstraction has 5243 states and 10488 transitions. [2021-11-13 01:37:07,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 10488 transitions. [2021-11-13 01:37:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:07,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:07,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:07,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-13 01:37:07,801 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:07,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:07,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1039499038, now seen corresponding path program 2 times [2021-11-13 01:37:07,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:07,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755607806] [2021-11-13 01:37:07,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:07,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:07,979 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 01:37:07,979 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:07,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755607806] [2021-11-13 01:37:07,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755607806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:07,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:07,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:07,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864951259] [2021-11-13 01:37:07,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:07,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:07,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:07,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:07,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:07,981 INFO L87 Difference]: Start difference. First operand 5243 states and 10488 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:10,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:10,749 INFO L93 Difference]: Finished difference Result 13463 states and 26632 transitions. [2021-11-13 01:37:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:37:10,749 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:10,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:10,771 INFO L225 Difference]: With dead ends: 13463 [2021-11-13 01:37:10,771 INFO L226 Difference]: Without dead ends: 13463 [2021-11-13 01:37:10,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:37:10,772 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 680 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2054.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.75ms SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2438.35ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:10,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [680 Valid, 578 Invalid, 2485 Unknown, 0 Unchecked, 9.75ms Time], IncrementalHoareTripleChecker [137 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 2438.35ms Time] [2021-11-13 01:37:10,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2021-11-13 01:37:10,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 4696. [2021-11-13 01:37:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4696 states, 4620 states have (on average 2.0158008658008657) internal successors, (9313), 4695 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states 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 01:37:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 9313 transitions. [2021-11-13 01:37:10,886 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 9313 transitions. Word has length 17 [2021-11-13 01:37:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:10,887 INFO L470 AbstractCegarLoop]: Abstraction has 4696 states and 9313 transitions. [2021-11-13 01:37:10,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 9313 transitions. [2021-11-13 01:37:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:10,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:10,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:10,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-13 01:37:10,888 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:10,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:10,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1313377235, now seen corresponding path program 3 times [2021-11-13 01:37:10,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:10,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129202183] [2021-11-13 01:37:10,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:10,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:11,086 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 01:37:11,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:11,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129202183] [2021-11-13 01:37:11,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129202183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:11,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:11,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:11,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676489076] [2021-11-13 01:37:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:11,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:11,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:11,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:11,088 INFO L87 Difference]: Start difference. First operand 4696 states and 9313 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:13,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:13,055 INFO L93 Difference]: Finished difference Result 8946 states and 17686 transitions. [2021-11-13 01:37:13,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:37:13,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:13,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:13,069 INFO L225 Difference]: With dead ends: 8946 [2021-11-13 01:37:13,069 INFO L226 Difference]: Without dead ends: 8946 [2021-11-13 01:37:13,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:37:13,070 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 554 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1556.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.01ms SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1828.65ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:13,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 640 Invalid, 1966 Unknown, 0 Unchecked, 7.01ms Time], IncrementalHoareTripleChecker [60 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1828.65ms Time] [2021-11-13 01:37:13,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8946 states. [2021-11-13 01:37:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8946 to 4701. [2021-11-13 01:37:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4701 states, 4625 states have (on average 2.015783783783784) internal successors, (9323), 4700 states have internal predecessors, (9323), 0 states have call successors, (0), 0 states 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 01:37:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 9323 transitions. [2021-11-13 01:37:13,158 INFO L78 Accepts]: Start accepts. Automaton has 4701 states and 9323 transitions. Word has length 17 [2021-11-13 01:37:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:13,159 INFO L470 AbstractCegarLoop]: Abstraction has 4701 states and 9323 transitions. [2021-11-13 01:37:13,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 9323 transitions. [2021-11-13 01:37:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:13,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:13,161 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:13,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-13 01:37:13,161 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:13,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:13,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1691347371, now seen corresponding path program 4 times [2021-11-13 01:37:13,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:13,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028979999] [2021-11-13 01:37:13,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:13,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:13,364 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 01:37:13,364 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:13,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028979999] [2021-11-13 01:37:13,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028979999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:13,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:13,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:13,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393474340] [2021-11-13 01:37:13,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:13,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:13,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:13,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:13,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:13,366 INFO L87 Difference]: Start difference. First operand 4701 states and 9323 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:14,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:14,808 INFO L93 Difference]: Finished difference Result 4892 states and 9654 transitions. [2021-11-13 01:37:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:37:14,809 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:14,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:14,815 INFO L225 Difference]: With dead ends: 4892 [2021-11-13 01:37:14,815 INFO L226 Difference]: Without dead ends: 4892 [2021-11-13 01:37:14,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:37:14,817 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 291 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1108.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.58ms SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1292.83ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:14,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 390 Invalid, 1445 Unknown, 0 Unchecked, 4.58ms Time], IncrementalHoareTripleChecker [59 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1292.83ms Time] [2021-11-13 01:37:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2021-11-13 01:37:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4682. [2021-11-13 01:37:14,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4682 states, 4606 states have (on average 2.015848892748589) internal successors, (9285), 4681 states have internal predecessors, (9285), 0 states have call successors, (0), 0 states 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 01:37:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4682 states to 4682 states and 9285 transitions. [2021-11-13 01:37:14,883 INFO L78 Accepts]: Start accepts. Automaton has 4682 states and 9285 transitions. Word has length 17 [2021-11-13 01:37:14,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:14,884 INFO L470 AbstractCegarLoop]: Abstraction has 4682 states and 9285 transitions. [2021-11-13 01:37:14,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 4682 states and 9285 transitions. [2021-11-13 01:37:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:14,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:14,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:14,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-13 01:37:14,886 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:14,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:14,887 INFO L85 PathProgramCache]: Analyzing trace with hash -81218303, now seen corresponding path program 5 times [2021-11-13 01:37:14,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:14,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680515848] [2021-11-13 01:37:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:14,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:15,107 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 01:37:15,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:15,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680515848] [2021-11-13 01:37:15,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680515848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:15,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:15,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:15,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812986000] [2021-11-13 01:37:15,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:15,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:15,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:15,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:15,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:15,110 INFO L87 Difference]: Start difference. First operand 4682 states and 9285 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:16,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:16,740 INFO L93 Difference]: Finished difference Result 4854 states and 9578 transitions. [2021-11-13 01:37:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:37:16,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:16,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:16,747 INFO L225 Difference]: With dead ends: 4854 [2021-11-13 01:37:16,747 INFO L226 Difference]: Without dead ends: 4854 [2021-11-13 01:37:16,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:37:16,748 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 322 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1267.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.13ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1481.77ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:16,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 406 Invalid, 1629 Unknown, 0 Unchecked, 5.13ms Time], IncrementalHoareTripleChecker [66 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 1481.77ms Time] [2021-11-13 01:37:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4854 states. [2021-11-13 01:37:16,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4854 to 4663. [2021-11-13 01:37:16,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4663 states, 4587 states have (on average 2.0159145410943973) internal successors, (9247), 4662 states have internal predecessors, (9247), 0 states have call successors, (0), 0 states 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 01:37:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4663 states to 4663 states and 9247 transitions. [2021-11-13 01:37:16,815 INFO L78 Accepts]: Start accepts. Automaton has 4663 states and 9247 transitions. Word has length 17 [2021-11-13 01:37:16,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:16,816 INFO L470 AbstractCegarLoop]: Abstraction has 4663 states and 9247 transitions. [2021-11-13 01:37:16,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4663 states and 9247 transitions. [2021-11-13 01:37:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:16,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:16,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:16,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-13 01:37:16,818 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:16,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:16,818 INFO L85 PathProgramCache]: Analyzing trace with hash -276051443, now seen corresponding path program 6 times [2021-11-13 01:37:16,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:16,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107477026] [2021-11-13 01:37:16,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:16,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:17,037 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 01:37:17,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:17,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107477026] [2021-11-13 01:37:17,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107477026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:17,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:17,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:17,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469760193] [2021-11-13 01:37:17,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:17,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:17,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:17,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:17,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:17,039 INFO L87 Difference]: Start difference. First operand 4663 states and 9247 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:20,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:20,010 INFO L93 Difference]: Finished difference Result 4785 states and 9439 transitions. [2021-11-13 01:37:20,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:37:20,011 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:20,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:20,017 INFO L225 Difference]: With dead ends: 4785 [2021-11-13 01:37:20,017 INFO L226 Difference]: Without dead ends: 4785 [2021-11-13 01:37:20,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:37:20,018 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 365 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2378.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.37ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2742.34ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:20,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 439 Invalid, 2314 Unknown, 0 Unchecked, 9.37ms Time], IncrementalHoareTripleChecker [52 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 2742.34ms Time] [2021-11-13 01:37:20,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4785 states. [2021-11-13 01:37:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4785 to 4612. [2021-11-13 01:37:20,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4612 states, 4537 states have (on average 2.0156491073396516) internal successors, (9145), 4611 states have internal predecessors, (9145), 0 states have call successors, (0), 0 states 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 01:37:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4612 states and 9145 transitions. [2021-11-13 01:37:20,097 INFO L78 Accepts]: Start accepts. Automaton has 4612 states and 9145 transitions. Word has length 17 [2021-11-13 01:37:20,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:20,098 INFO L470 AbstractCegarLoop]: Abstraction has 4612 states and 9145 transitions. [2021-11-13 01:37:20,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4612 states and 9145 transitions. [2021-11-13 01:37:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:20,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:20,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:20,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-13 01:37:20,100 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:20,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:20,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1082057142, now seen corresponding path program 3 times [2021-11-13 01:37:20,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:20,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576150656] [2021-11-13 01:37:20,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:20,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:20,273 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 01:37:20,274 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:20,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576150656] [2021-11-13 01:37:20,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576150656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:20,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:20,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:20,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067697102] [2021-11-13 01:37:20,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:20,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:37:20,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:20,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:37:20,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:37:20,276 INFO L87 Difference]: Start difference. First operand 4612 states and 9145 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:23,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:23,466 INFO L93 Difference]: Finished difference Result 8953 states and 17692 transitions. [2021-11-13 01:37:23,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:37:23,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 01:37:23,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:23,481 INFO L225 Difference]: With dead ends: 8953 [2021-11-13 01:37:23,481 INFO L226 Difference]: Without dead ends: 8953 [2021-11-13 01:37:23,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:37:23,482 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 520 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 2523 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2426.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 2582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.07ms SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2831.29ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:23,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 607 Invalid, 2582 Unknown, 0 Unchecked, 11.07ms Time], IncrementalHoareTripleChecker [59 Valid, 2523 Invalid, 0 Unknown, 0 Unchecked, 2831.29ms Time] [2021-11-13 01:37:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8953 states. [2021-11-13 01:37:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8953 to 4437. [2021-11-13 01:37:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 4362 states have (on average 2.0162769371847777) internal successors, (8795), 4436 states have internal predecessors, (8795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 8795 transitions. [2021-11-13 01:37:23,618 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 8795 transitions. Word has length 17 [2021-11-13 01:37:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:23,618 INFO L470 AbstractCegarLoop]: Abstraction has 4437 states and 8795 transitions. [2021-11-13 01:37:23,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 8795 transitions. [2021-11-13 01:37:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 01:37:23,619 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:23,619 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] [2021-11-13 01:37:23,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-13 01:37:23,620 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:23,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:23,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1117792909, now seen corresponding path program 1 times [2021-11-13 01:37:23,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:23,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858187570] [2021-11-13 01:37:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:23,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:23,734 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 01:37:23,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:23,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858187570] [2021-11-13 01:37:23,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858187570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:23,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:23,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:37:23,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388848799] [2021-11-13 01:37:23,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:23,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:23,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:23,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:23,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:23,737 INFO L87 Difference]: Start difference. First operand 4437 states and 8795 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:24,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:24,948 INFO L93 Difference]: Finished difference Result 4756 states and 9427 transitions. [2021-11-13 01:37:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:37:24,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-13 01:37:24,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:24,955 INFO L225 Difference]: With dead ends: 4756 [2021-11-13 01:37:24,956 INFO L226 Difference]: Without dead ends: 4756 [2021-11-13 01:37:24,956 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 01:37:24,957 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 108 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1015.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.40ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1173.40ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:24,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 94 Invalid, 826 Unknown, 0 Unchecked, 3.40ms Time], IncrementalHoareTripleChecker [38 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1173.40ms Time] [2021-11-13 01:37:24,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-11-13 01:37:25,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4640. [2021-11-13 01:37:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 4565 states have (on average 2.0146768893756843) internal successors, (9197), 4639 states have internal predecessors, (9197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 9197 transitions. [2021-11-13 01:37:25,039 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 9197 transitions. Word has length 21 [2021-11-13 01:37:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:25,039 INFO L470 AbstractCegarLoop]: Abstraction has 4640 states and 9197 transitions. [2021-11-13 01:37:25,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 9197 transitions. [2021-11-13 01:37:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 01:37:25,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:25,041 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] [2021-11-13 01:37:25,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-13 01:37:25,042 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:25,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:25,042 INFO L85 PathProgramCache]: Analyzing trace with hash 359386931, now seen corresponding path program 1 times [2021-11-13 01:37:25,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:25,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005749658] [2021-11-13 01:37:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:25,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:25,143 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 01:37:25,144 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:25,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005749658] [2021-11-13 01:37:25,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005749658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:25,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:25,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 01:37:25,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726688819] [2021-11-13 01:37:25,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:25,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:25,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:25,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:25,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:25,146 INFO L87 Difference]: Start difference. First operand 4640 states and 9197 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:26,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:26,414 INFO L93 Difference]: Finished difference Result 5039 states and 9995 transitions. [2021-11-13 01:37:26,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:37:26,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-13 01:37:26,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:26,429 INFO L225 Difference]: With dead ends: 5039 [2021-11-13 01:37:26,429 INFO L226 Difference]: Without dead ends: 5039 [2021-11-13 01:37:26,429 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 01:37:26,430 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 136 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1055.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.05ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1230.53ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:26,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 122 Invalid, 1134 Unknown, 0 Unchecked, 4.05ms Time], IncrementalHoareTripleChecker [85 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1230.53ms Time] [2021-11-13 01:37:26,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2021-11-13 01:37:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 4895. [2021-11-13 01:37:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 4821 states have (on average 2.0134826799419208) internal successors, (9707), 4894 states have internal predecessors, (9707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 9707 transitions. [2021-11-13 01:37:26,544 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 9707 transitions. Word has length 22 [2021-11-13 01:37:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:26,544 INFO L470 AbstractCegarLoop]: Abstraction has 4895 states and 9707 transitions. [2021-11-13 01:37:26,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9707 transitions. [2021-11-13 01:37:26,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:26,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:26,548 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 01:37:26,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-13 01:37:26,549 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:26,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2036485810, now seen corresponding path program 1 times [2021-11-13 01:37:26,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:26,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165003925] [2021-11-13 01:37:26,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:26,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:26,876 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 01:37:26,876 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:26,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165003925] [2021-11-13 01:37:26,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165003925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:26,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:26,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:26,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794972513] [2021-11-13 01:37:26,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:26,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:26,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:26,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:26,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:26,878 INFO L87 Difference]: Start difference. First operand 4895 states and 9707 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:29,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:29,030 INFO L93 Difference]: Finished difference Result 5072 states and 10056 transitions. [2021-11-13 01:37:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:37:29,031 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:29,039 INFO L225 Difference]: With dead ends: 5072 [2021-11-13 01:37:29,039 INFO L226 Difference]: Without dead ends: 5072 [2021-11-13 01:37:29,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2021-11-13 01:37:29,040 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 367 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1715.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.97ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1973.62ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:29,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [367 Valid, 103 Invalid, 1769 Unknown, 0 Unchecked, 6.97ms Time], IncrementalHoareTripleChecker [36 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 1973.62ms Time] [2021-11-13 01:37:29,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2021-11-13 01:37:29,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 4909. [2021-11-13 01:37:29,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 4835 states have (on average 2.013443640124095) internal successors, (9735), 4908 states have internal predecessors, (9735), 0 states have call successors, (0), 0 states 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 01:37:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 9735 transitions. [2021-11-13 01:37:29,142 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 9735 transitions. Word has length 24 [2021-11-13 01:37:29,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:29,143 INFO L470 AbstractCegarLoop]: Abstraction has 4909 states and 9735 transitions. [2021-11-13 01:37:29,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 9735 transitions. [2021-11-13 01:37:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:29,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:29,144 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 01:37:29,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-13 01:37:29,145 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:29,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:29,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1377729082, now seen corresponding path program 2 times [2021-11-13 01:37:29,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:29,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416387937] [2021-11-13 01:37:29,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:29,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:29,395 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 01:37:29,395 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:29,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416387937] [2021-11-13 01:37:29,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416387937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:29,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:29,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:29,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759800964] [2021-11-13 01:37:29,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:29,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:29,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:29,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:29,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:29,397 INFO L87 Difference]: Start difference. First operand 4909 states and 9735 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:31,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:31,051 INFO L93 Difference]: Finished difference Result 5098 states and 10108 transitions. [2021-11-13 01:37:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:37:31,052 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:31,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:31,061 INFO L225 Difference]: With dead ends: 5098 [2021-11-13 01:37:31,061 INFO L226 Difference]: Without dead ends: 5098 [2021-11-13 01:37:31,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:37:31,062 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 349 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1219.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.74ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1407.40ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:31,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [349 Valid, 92 Invalid, 1243 Unknown, 0 Unchecked, 5.74ms Time], IncrementalHoareTripleChecker [34 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1407.40ms Time] [2021-11-13 01:37:31,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5098 states. [2021-11-13 01:37:31,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5098 to 4918. [2021-11-13 01:37:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4918 states, 4844 states have (on average 2.013418662262593) internal successors, (9753), 4917 states have internal predecessors, (9753), 0 states have call successors, (0), 0 states 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 01:37:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4918 states to 4918 states and 9753 transitions. [2021-11-13 01:37:31,137 INFO L78 Accepts]: Start accepts. Automaton has 4918 states and 9753 transitions. Word has length 24 [2021-11-13 01:37:31,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:31,137 INFO L470 AbstractCegarLoop]: Abstraction has 4918 states and 9753 transitions. [2021-11-13 01:37:31,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 4918 states and 9753 transitions. [2021-11-13 01:37:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:31,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:31,139 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 01:37:31,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-13 01:37:31,139 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:31,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1577610906, now seen corresponding path program 3 times [2021-11-13 01:37:31,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:31,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412077338] [2021-11-13 01:37:31,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:31,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:31,376 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 01:37:31,377 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:31,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412077338] [2021-11-13 01:37:31,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412077338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:31,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:31,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:31,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765297891] [2021-11-13 01:37:31,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:31,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:31,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:31,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:31,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:31,379 INFO L87 Difference]: Start difference. First operand 4918 states and 9753 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:33,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:33,418 INFO L93 Difference]: Finished difference Result 5116 states and 10144 transitions. [2021-11-13 01:37:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:37:33,419 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:33,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:33,426 INFO L225 Difference]: With dead ends: 5116 [2021-11-13 01:37:33,426 INFO L226 Difference]: Without dead ends: 5116 [2021-11-13 01:37:33,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:37:33,428 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 354 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1488.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.56ms SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1718.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:33,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 98 Invalid, 1532 Unknown, 0 Unchecked, 6.56ms Time], IncrementalHoareTripleChecker [49 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1718.84ms Time] [2021-11-13 01:37:33,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5116 states. [2021-11-13 01:37:33,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5116 to 4919. [2021-11-13 01:37:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 4845 states have (on average 2.0134158926728585) internal successors, (9755), 4918 states have internal predecessors, (9755), 0 states have call successors, (0), 0 states 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 01:37:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 9755 transitions. [2021-11-13 01:37:33,544 INFO L78 Accepts]: Start accepts. Automaton has 4919 states and 9755 transitions. Word has length 24 [2021-11-13 01:37:33,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:33,545 INFO L470 AbstractCegarLoop]: Abstraction has 4919 states and 9755 transitions. [2021-11-13 01:37:33,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 9755 transitions. [2021-11-13 01:37:33,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:33,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:33,546 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 01:37:33,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-13 01:37:33,546 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:33,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:33,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1937784096, now seen corresponding path program 4 times [2021-11-13 01:37:33,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:33,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098382831] [2021-11-13 01:37:33,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:33,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:33,778 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 01:37:33,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:33,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098382831] [2021-11-13 01:37:33,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098382831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:33,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:33,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:33,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169608457] [2021-11-13 01:37:33,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:33,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:33,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:33,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:33,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:33,782 INFO L87 Difference]: Start difference. First operand 4919 states and 9755 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:36,440 INFO L93 Difference]: Finished difference Result 5122 states and 10156 transitions. [2021-11-13 01:37:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:37:36,440 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:36,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:36,448 INFO L225 Difference]: With dead ends: 5122 [2021-11-13 01:37:36,448 INFO L226 Difference]: Without dead ends: 5122 [2021-11-13 01:37:36,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:37:36,450 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 358 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1975.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.11ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2280.23ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:36,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 108 Invalid, 2040 Unknown, 0 Unchecked, 12.11ms Time], IncrementalHoareTripleChecker [46 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 2280.23ms Time] [2021-11-13 01:37:36,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2021-11-13 01:37:36,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 4927. [2021-11-13 01:37:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4927 states, 4853 states have (on average 2.0133937770451267) internal successors, (9771), 4926 states have internal predecessors, (9771), 0 states have call successors, (0), 0 states 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 01:37:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 4927 states and 9771 transitions. [2021-11-13 01:37:36,562 INFO L78 Accepts]: Start accepts. Automaton has 4927 states and 9771 transitions. Word has length 24 [2021-11-13 01:37:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:36,562 INFO L470 AbstractCegarLoop]: Abstraction has 4927 states and 9771 transitions. [2021-11-13 01:37:36,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 4927 states and 9771 transitions. [2021-11-13 01:37:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:36,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:36,564 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 01:37:36,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-13 01:37:36,565 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:36,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:36,565 INFO L85 PathProgramCache]: Analyzing trace with hash 802981164, now seen corresponding path program 5 times [2021-11-13 01:37:36,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:36,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959711354] [2021-11-13 01:37:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:36,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:36,792 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 01:37:36,793 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:36,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959711354] [2021-11-13 01:37:36,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959711354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:36,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:36,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:36,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128972807] [2021-11-13 01:37:36,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:36,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:36,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:36,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:36,795 INFO L87 Difference]: Start difference. First operand 4927 states and 9771 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:38,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:38,616 INFO L93 Difference]: Finished difference Result 5192 states and 10296 transitions. [2021-11-13 01:37:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:37:38,617 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:38,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:38,626 INFO L225 Difference]: With dead ends: 5192 [2021-11-13 01:37:38,626 INFO L226 Difference]: Without dead ends: 5192 [2021-11-13 01:37:38,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:37:38,627 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 312 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1329.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.14ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1534.78ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:38,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 100 Invalid, 1555 Unknown, 0 Unchecked, 6.14ms Time], IncrementalHoareTripleChecker [54 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1534.78ms Time] [2021-11-13 01:37:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2021-11-13 01:37:38,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 4936. [2021-11-13 01:37:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4936 states, 4862 states have (on average 2.013368983957219) internal successors, (9789), 4935 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states 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 01:37:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4936 states to 4936 states and 9789 transitions. [2021-11-13 01:37:38,715 INFO L78 Accepts]: Start accepts. Automaton has 4936 states and 9789 transitions. Word has length 24 [2021-11-13 01:37:38,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:38,716 INFO L470 AbstractCegarLoop]: Abstraction has 4936 states and 9789 transitions. [2021-11-13 01:37:38,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4936 states and 9789 transitions. [2021-11-13 01:37:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:38,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:38,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:38,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-13 01:37:38,718 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:38,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1162929274, now seen corresponding path program 6 times [2021-11-13 01:37:38,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:38,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785778109] [2021-11-13 01:37:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:38,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:38,967 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 01:37:38,968 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:38,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785778109] [2021-11-13 01:37:38,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785778109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:38,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:38,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:38,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104399514] [2021-11-13 01:37:38,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:38,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:38,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:38,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:38,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:38,970 INFO L87 Difference]: Start difference. First operand 4936 states and 9789 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:40,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:40,652 INFO L93 Difference]: Finished difference Result 5145 states and 10202 transitions. [2021-11-13 01:37:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:37:40,652 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:40,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:40,661 INFO L225 Difference]: With dead ends: 5145 [2021-11-13 01:37:40,661 INFO L226 Difference]: Without dead ends: 5145 [2021-11-13 01:37:40,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:37:40,662 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 325 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1218.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.32ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1385.91ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:40,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 90 Invalid, 1109 Unknown, 0 Unchecked, 5.32ms Time], IncrementalHoareTripleChecker [44 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 1385.91ms Time] [2021-11-13 01:37:40,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2021-11-13 01:37:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 4937. [2021-11-13 01:37:40,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4863 states have (on average 2.0133662348344643) internal successors, (9791), 4936 states have internal predecessors, (9791), 0 states have call successors, (0), 0 states 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 01:37:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 9791 transitions. [2021-11-13 01:37:40,739 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 9791 transitions. Word has length 24 [2021-11-13 01:37:40,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:40,739 INFO L470 AbstractCegarLoop]: Abstraction has 4937 states and 9791 transitions. [2021-11-13 01:37:40,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 9791 transitions. [2021-11-13 01:37:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:40,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:40,742 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 01:37:40,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-13 01:37:40,742 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:40,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash -802756084, now seen corresponding path program 7 times [2021-11-13 01:37:40,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:40,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541478716] [2021-11-13 01:37:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:40,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:40,978 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 01:37:40,979 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:40,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541478716] [2021-11-13 01:37:40,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541478716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:40,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:40,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:40,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298283583] [2021-11-13 01:37:40,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:40,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:40,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:40,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:40,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:40,987 INFO L87 Difference]: Start difference. First operand 4937 states and 9791 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:42,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:42,718 INFO L93 Difference]: Finished difference Result 5173 states and 10258 transitions. [2021-11-13 01:37:42,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:37:42,719 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:42,726 INFO L225 Difference]: With dead ends: 5173 [2021-11-13 01:37:42,726 INFO L226 Difference]: Without dead ends: 5173 [2021-11-13 01:37:42,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:37:42,727 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 326 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1222.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.42ms SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1407.81ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:42,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 96 Invalid, 1365 Unknown, 0 Unchecked, 5.42ms Time], IncrementalHoareTripleChecker [50 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 1407.81ms Time] [2021-11-13 01:37:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2021-11-13 01:37:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 4936. [2021-11-13 01:37:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4936 states, 4862 states have (on average 2.013368983957219) internal successors, (9789), 4935 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states 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 01:37:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4936 states to 4936 states and 9789 transitions. [2021-11-13 01:37:42,801 INFO L78 Accepts]: Start accepts. Automaton has 4936 states and 9789 transitions. Word has length 24 [2021-11-13 01:37:42,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:42,801 INFO L470 AbstractCegarLoop]: Abstraction has 4936 states and 9789 transitions. [2021-11-13 01:37:42,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4936 states and 9789 transitions. [2021-11-13 01:37:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:42,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:42,802 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 01:37:42,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-13 01:37:42,802 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:42,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash 770167493, now seen corresponding path program 1 times [2021-11-13 01:37:42,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:42,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620570126] [2021-11-13 01:37:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:42,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:43,023 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 01:37:43,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:43,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620570126] [2021-11-13 01:37:43,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620570126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:43,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:43,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:43,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970158603] [2021-11-13 01:37:43,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:43,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:43,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:43,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:43,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:43,026 INFO L87 Difference]: Start difference. First operand 4936 states and 9789 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:45,123 INFO L93 Difference]: Finished difference Result 8452 states and 16741 transitions. [2021-11-13 01:37:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 01:37:45,124 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:45,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:45,137 INFO L225 Difference]: With dead ends: 8452 [2021-11-13 01:37:45,138 INFO L226 Difference]: Without dead ends: 8452 [2021-11-13 01:37:45,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:37:45,139 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 682 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 1806 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1634.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.85ms SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1906.28ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:45,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 340 Invalid, 1966 Unknown, 0 Unchecked, 8.85ms Time], IncrementalHoareTripleChecker [160 Valid, 1806 Invalid, 0 Unknown, 0 Unchecked, 1906.28ms Time] [2021-11-13 01:37:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8452 states. [2021-11-13 01:37:45,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8452 to 5015. [2021-11-13 01:37:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 4941 states have (on average 2.0139647844565878) internal successors, (9951), 5014 states have internal predecessors, (9951), 0 states have call successors, (0), 0 states 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 01:37:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 9951 transitions. [2021-11-13 01:37:45,235 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 9951 transitions. Word has length 24 [2021-11-13 01:37:45,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:45,235 INFO L470 AbstractCegarLoop]: Abstraction has 5015 states and 9951 transitions. [2021-11-13 01:37:45,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 9951 transitions. [2021-11-13 01:37:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:45,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:45,237 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 01:37:45,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-13 01:37:45,237 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:45,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1308834960, now seen corresponding path program 8 times [2021-11-13 01:37:45,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:45,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750926460] [2021-11-13 01:37:45,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:45,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:45,459 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 01:37:45,459 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:45,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750926460] [2021-11-13 01:37:45,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750926460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:45,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:45,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:45,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343640875] [2021-11-13 01:37:45,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:45,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:45,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:45,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:45,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:45,461 INFO L87 Difference]: Start difference. First operand 5015 states and 9951 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:48,061 INFO L93 Difference]: Finished difference Result 8343 states and 16517 transitions. [2021-11-13 01:37:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:37:48,062 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:48,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:48,080 INFO L225 Difference]: With dead ends: 8343 [2021-11-13 01:37:48,080 INFO L226 Difference]: Without dead ends: 8343 [2021-11-13 01:37:48,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:37:48,081 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 609 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2038.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.20ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2370.85ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:48,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 338 Invalid, 2237 Unknown, 0 Unchecked, 10.20ms Time], IncrementalHoareTripleChecker [45 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 2370.85ms Time] [2021-11-13 01:37:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8343 states. [2021-11-13 01:37:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8343 to 5058. [2021-11-13 01:37:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 4984 states have (on average 2.015650080256822) internal successors, (10046), 5057 states have internal predecessors, (10046), 0 states have call successors, (0), 0 states 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 01:37:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 10046 transitions. [2021-11-13 01:37:48,174 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 10046 transitions. Word has length 24 [2021-11-13 01:37:48,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:48,175 INFO L470 AbstractCegarLoop]: Abstraction has 5058 states and 10046 transitions. [2021-11-13 01:37:48,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:48,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 10046 transitions. [2021-11-13 01:37:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:48,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:48,177 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 01:37:48,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-13 01:37:48,178 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:48,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:48,178 INFO L85 PathProgramCache]: Analyzing trace with hash 419617728, now seen corresponding path program 9 times [2021-11-13 01:37:48,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:48,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902751812] [2021-11-13 01:37:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:48,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:48,394 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 01:37:48,395 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:48,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902751812] [2021-11-13 01:37:48,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902751812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:48,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:48,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:48,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944725758] [2021-11-13 01:37:48,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:48,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:48,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:48,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:48,397 INFO L87 Difference]: Start difference. First operand 5058 states and 10046 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:50,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:50,289 INFO L93 Difference]: Finished difference Result 8385 states and 16601 transitions. [2021-11-13 01:37:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:37:50,290 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:50,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:50,303 INFO L225 Difference]: With dead ends: 8385 [2021-11-13 01:37:50,303 INFO L226 Difference]: Without dead ends: 8385 [2021-11-13 01:37:50,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:37:50,304 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 488 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1417.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.38ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1632.42ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:50,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 208 Invalid, 1635 Unknown, 0 Unchecked, 7.38ms Time], IncrementalHoareTripleChecker [40 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1632.42ms Time] [2021-11-13 01:37:50,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8385 states. [2021-11-13 01:37:50,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8385 to 5059. [2021-11-13 01:37:50,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5059 states, 4985 states have (on average 2.0156469408224673) internal successors, (10048), 5058 states have internal predecessors, (10048), 0 states have call successors, (0), 0 states 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 01:37:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5059 states to 5059 states and 10048 transitions. [2021-11-13 01:37:50,398 INFO L78 Accepts]: Start accepts. Automaton has 5059 states and 10048 transitions. Word has length 24 [2021-11-13 01:37:50,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:50,398 INFO L470 AbstractCegarLoop]: Abstraction has 5059 states and 10048 transitions. [2021-11-13 01:37:50,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5059 states and 10048 transitions. [2021-11-13 01:37:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:50,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:50,401 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 01:37:50,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-13 01:37:50,402 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:50,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1546292710, now seen corresponding path program 10 times [2021-11-13 01:37:50,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:50,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207662214] [2021-11-13 01:37:50,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:50,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:50,653 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 01:37:50,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:50,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207662214] [2021-11-13 01:37:50,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207662214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:50,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:50,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:50,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672107398] [2021-11-13 01:37:50,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:50,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:50,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:50,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:50,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:50,656 INFO L87 Difference]: Start difference. First operand 5059 states and 10048 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:52,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:52,180 INFO L93 Difference]: Finished difference Result 8347 states and 16525 transitions. [2021-11-13 01:37:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:37:52,180 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:52,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:52,193 INFO L225 Difference]: With dead ends: 8347 [2021-11-13 01:37:52,193 INFO L226 Difference]: Without dead ends: 8347 [2021-11-13 01:37:52,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:37:52,194 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 552 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1110.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.70ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1295.60ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:52,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 193 Invalid, 1177 Unknown, 0 Unchecked, 5.70ms Time], IncrementalHoareTripleChecker [37 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1295.60ms Time] [2021-11-13 01:37:52,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8347 states. [2021-11-13 01:37:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8347 to 5060. [2021-11-13 01:37:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 4986 states have (on average 2.015643802647413) internal successors, (10050), 5059 states have internal predecessors, (10050), 0 states have call successors, (0), 0 states 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 01:37:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 10050 transitions. [2021-11-13 01:37:52,286 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 10050 transitions. Word has length 24 [2021-11-13 01:37:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:52,287 INFO L470 AbstractCegarLoop]: Abstraction has 5060 states and 10050 transitions. [2021-11-13 01:37:52,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 10050 transitions. [2021-11-13 01:37:52,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:52,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:52,288 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 01:37:52,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-13 01:37:52,289 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:52,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:52,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1186119520, now seen corresponding path program 11 times [2021-11-13 01:37:52,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:52,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907687006] [2021-11-13 01:37:52,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:52,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:52,509 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 01:37:52,509 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:52,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907687006] [2021-11-13 01:37:52,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907687006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:52,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:52,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:37:52,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121825035] [2021-11-13 01:37:52,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:52,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:37:52,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:52,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:37:52,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:37:52,511 INFO L87 Difference]: Start difference. First operand 5060 states and 10050 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:55,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:55,322 INFO L93 Difference]: Finished difference Result 8365 states and 16561 transitions. [2021-11-13 01:37:55,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:37:55,323 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:37:55,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:55,337 INFO L225 Difference]: With dead ends: 8365 [2021-11-13 01:37:55,337 INFO L226 Difference]: Without dead ends: 8365 [2021-11-13 01:37:55,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:37:55,338 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 511 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2187.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 2397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.61ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2521.49ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:55,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [511 Valid, 230 Invalid, 2397 Unknown, 0 Unchecked, 9.61ms Time], IncrementalHoareTripleChecker [32 Valid, 2365 Invalid, 0 Unknown, 0 Unchecked, 2521.49ms Time] [2021-11-13 01:37:55,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8365 states. [2021-11-13 01:37:55,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8365 to 5058. [2021-11-13 01:37:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 4984 states have (on average 2.015650080256822) internal successors, (10046), 5057 states have internal predecessors, (10046), 0 states have call successors, (0), 0 states 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 01:37:55,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 10046 transitions. [2021-11-13 01:37:55,459 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 10046 transitions. Word has length 24 [2021-11-13 01:37:55,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:55,459 INFO L470 AbstractCegarLoop]: Abstraction has 5058 states and 10046 transitions. [2021-11-13 01:37:55,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 10046 transitions. [2021-11-13 01:37:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:55,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:55,461 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 01:37:55,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-13 01:37:55,462 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:55,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:55,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1230891722, now seen corresponding path program 12 times [2021-11-13 01:37:55,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:55,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125824950] [2021-11-13 01:37:55,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:55,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:55,853 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 01:37:55,853 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:55,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125824950] [2021-11-13 01:37:55,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125824950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:55,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:55,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:37:55,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473833719] [2021-11-13 01:37:55,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:55,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:37:55,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:55,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:37:55,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:37:55,855 INFO L87 Difference]: Start difference. First operand 5058 states and 10046 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:37:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:59,442 INFO L93 Difference]: Finished difference Result 9980 states and 19808 transitions. [2021-11-13 01:37:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:37:59,443 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:37:59,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:59,459 INFO L225 Difference]: With dead ends: 9980 [2021-11-13 01:37:59,459 INFO L226 Difference]: Without dead ends: 9980 [2021-11-13 01:37:59,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:37:59,460 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 903 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2661.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.07ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3067.72ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:59,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 343 Invalid, 2930 Unknown, 0 Unchecked, 12.07ms Time], IncrementalHoareTripleChecker [118 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 3067.72ms Time] [2021-11-13 01:37:59,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9980 states. [2021-11-13 01:37:59,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9980 to 5115. [2021-11-13 01:37:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 5041 states have (on average 2.0154731204126164) internal successors, (10160), 5114 states have internal predecessors, (10160), 0 states have call successors, (0), 0 states 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 01:37:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 10160 transitions. [2021-11-13 01:37:59,619 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 10160 transitions. Word has length 24 [2021-11-13 01:37:59,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:59,619 INFO L470 AbstractCegarLoop]: Abstraction has 5115 states and 10160 transitions. [2021-11-13 01:37:59,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:37:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 10160 transitions. [2021-11-13 01:37:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:37:59,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:59,621 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 01:37:59,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-13 01:37:59,621 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:37:59,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:59,622 INFO L85 PathProgramCache]: Analyzing trace with hash -350139318, now seen corresponding path program 13 times [2021-11-13 01:37:59,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:59,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93557259] [2021-11-13 01:37:59,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:59,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:00,029 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 01:38:00,029 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:00,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93557259] [2021-11-13 01:38:00,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93557259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:00,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:00,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:00,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334848036] [2021-11-13 01:38:00,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:00,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:00,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:00,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:00,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:00,032 INFO L87 Difference]: Start difference. First operand 5115 states and 10160 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:04,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:04,228 INFO L93 Difference]: Finished difference Result 9994 states and 19836 transitions. [2021-11-13 01:38:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:38:04,228 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:04,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:04,244 INFO L225 Difference]: With dead ends: 9994 [2021-11-13 01:38:04,244 INFO L226 Difference]: Without dead ends: 9994 [2021-11-13 01:38:04,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:38:04,245 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 954 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 3281 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3115.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 3431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.80ms SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 3281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3583.59ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:04,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [954 Valid, 360 Invalid, 3431 Unknown, 0 Unchecked, 13.80ms Time], IncrementalHoareTripleChecker [150 Valid, 3281 Invalid, 0 Unknown, 0 Unchecked, 3583.59ms Time] [2021-11-13 01:38:04,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-11-13 01:38:04,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 5113. [2021-11-13 01:38:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5113 states, 5039 states have (on average 2.0154792617582853) internal successors, (10156), 5112 states have internal predecessors, (10156), 0 states have call successors, (0), 0 states 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 01:38:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 10156 transitions. [2021-11-13 01:38:04,400 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 10156 transitions. Word has length 24 [2021-11-13 01:38:04,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:04,401 INFO L470 AbstractCegarLoop]: Abstraction has 5113 states and 10156 transitions. [2021-11-13 01:38:04,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 10156 transitions. [2021-11-13 01:38:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:04,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:04,402 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 01:38:04,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-13 01:38:04,403 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:04,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:04,403 INFO L85 PathProgramCache]: Analyzing trace with hash 83490218, now seen corresponding path program 14 times [2021-11-13 01:38:04,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:04,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349477628] [2021-11-13 01:38:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:04,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:04,763 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 01:38:04,763 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:04,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349477628] [2021-11-13 01:38:04,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349477628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:04,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:04,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:04,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017105293] [2021-11-13 01:38:04,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:04,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:04,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:04,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:04,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:04,765 INFO L87 Difference]: Start difference. First operand 5113 states and 10156 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:07,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:07,991 INFO L93 Difference]: Finished difference Result 10001 states and 19850 transitions. [2021-11-13 01:38:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:38:07,991 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:07,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:08,008 INFO L225 Difference]: With dead ends: 10001 [2021-11-13 01:38:08,008 INFO L226 Difference]: Without dead ends: 10001 [2021-11-13 01:38:08,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=292, Invalid=700, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:38:08,009 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 988 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2138.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.50ms SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2481.62ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:08,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [988 Valid, 323 Invalid, 2303 Unknown, 0 Unchecked, 10.50ms Time], IncrementalHoareTripleChecker [175 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 2481.62ms Time] [2021-11-13 01:38:08,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10001 states. [2021-11-13 01:38:08,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10001 to 5114. [2021-11-13 01:38:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5114 states, 5040 states have (on average 2.0154761904761904) internal successors, (10158), 5113 states have internal predecessors, (10158), 0 states have call successors, (0), 0 states 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 01:38:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 10158 transitions. [2021-11-13 01:38:08,117 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 10158 transitions. Word has length 24 [2021-11-13 01:38:08,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:08,117 INFO L470 AbstractCegarLoop]: Abstraction has 5114 states and 10158 transitions. [2021-11-13 01:38:08,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 10158 transitions. [2021-11-13 01:38:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:08,118 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:08,119 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 01:38:08,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-13 01:38:08,119 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash 443663408, now seen corresponding path program 15 times [2021-11-13 01:38:08,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:08,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618866931] [2021-11-13 01:38:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:08,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:08,462 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 01:38:08,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:08,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618866931] [2021-11-13 01:38:08,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618866931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:08,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:08,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:08,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644198963] [2021-11-13 01:38:08,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:08,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:08,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:08,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:08,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:08,464 INFO L87 Difference]: Start difference. First operand 5114 states and 10158 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:12,619 INFO L93 Difference]: Finished difference Result 10006 states and 19860 transitions. [2021-11-13 01:38:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:38:12,620 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:12,636 INFO L225 Difference]: With dead ends: 10006 [2021-11-13 01:38:12,636 INFO L226 Difference]: Without dead ends: 10006 [2021-11-13 01:38:12,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:38:12,637 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 979 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 3117 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2913.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 3279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.62ms SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 3117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3391.77ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:12,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 356 Invalid, 3279 Unknown, 0 Unchecked, 12.62ms Time], IncrementalHoareTripleChecker [162 Valid, 3117 Invalid, 0 Unknown, 0 Unchecked, 3391.77ms Time] [2021-11-13 01:38:12,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10006 states. [2021-11-13 01:38:12,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10006 to 5111. [2021-11-13 01:38:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5111 states, 5037 states have (on average 2.015485407980941) internal successors, (10152), 5110 states have internal predecessors, (10152), 0 states have call successors, (0), 0 states 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 01:38:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5111 states to 5111 states and 10152 transitions. [2021-11-13 01:38:12,740 INFO L78 Accepts]: Start accepts. Automaton has 5111 states and 10152 transitions. Word has length 24 [2021-11-13 01:38:12,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:12,740 INFO L470 AbstractCegarLoop]: Abstraction has 5111 states and 10152 transitions. [2021-11-13 01:38:12,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5111 states and 10152 transitions. [2021-11-13 01:38:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:12,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:12,742 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 01:38:12,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-13 01:38:12,743 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:12,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:12,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1849535862, now seen corresponding path program 16 times [2021-11-13 01:38:12,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:12,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961560449] [2021-11-13 01:38:12,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:12,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:13,018 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 01:38:13,018 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:13,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961560449] [2021-11-13 01:38:13,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961560449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:13,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:13,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:13,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198747508] [2021-11-13 01:38:13,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:13,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:13,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:13,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:13,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:13,022 INFO L87 Difference]: Start difference. First operand 5111 states and 10152 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:17,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:17,301 INFO L93 Difference]: Finished difference Result 10209 states and 20258 transitions. [2021-11-13 01:38:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:38:17,301 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:17,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:17,317 INFO L225 Difference]: With dead ends: 10209 [2021-11-13 01:38:17,317 INFO L226 Difference]: Without dead ends: 10209 [2021-11-13 01:38:17,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=365, Invalid=967, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:38:17,319 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 905 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2990.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 3685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.03ms SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3473.72ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:17,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [905 Valid, 368 Invalid, 3685 Unknown, 0 Unchecked, 13.03ms Time], IncrementalHoareTripleChecker [138 Valid, 3547 Invalid, 0 Unknown, 0 Unchecked, 3473.72ms Time] [2021-11-13 01:38:17,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10209 states. [2021-11-13 01:38:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10209 to 5125. [2021-11-13 01:38:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5125 states, 5051 states have (on average 2.0154424866363096) internal successors, (10180), 5124 states have internal predecessors, (10180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 5125 states and 10180 transitions. [2021-11-13 01:38:17,424 INFO L78 Accepts]: Start accepts. Automaton has 5125 states and 10180 transitions. Word has length 24 [2021-11-13 01:38:17,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:17,424 INFO L470 AbstractCegarLoop]: Abstraction has 5125 states and 10180 transitions. [2021-11-13 01:38:17,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 5125 states and 10180 transitions. [2021-11-13 01:38:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:17,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:17,426 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 01:38:17,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-13 01:38:17,427 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash 479520996, now seen corresponding path program 17 times [2021-11-13 01:38:17,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:17,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797612650] [2021-11-13 01:38:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:17,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:17,727 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 01:38:17,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:17,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797612650] [2021-11-13 01:38:17,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797612650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:17,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:17,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:17,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201123458] [2021-11-13 01:38:17,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:17,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:17,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:17,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:17,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:17,729 INFO L87 Difference]: Start difference. First operand 5125 states and 10180 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:20,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:20,849 INFO L93 Difference]: Finished difference Result 10153 states and 20146 transitions. [2021-11-13 01:38:20,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:38:20,850 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:20,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:20,873 INFO L225 Difference]: With dead ends: 10153 [2021-11-13 01:38:20,873 INFO L226 Difference]: Without dead ends: 10153 [2021-11-13 01:38:20,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=378, Invalid=954, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:38:20,875 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 953 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1962.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.56ms SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2285.09ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:20,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [953 Valid, 322 Invalid, 2315 Unknown, 0 Unchecked, 9.56ms Time], IncrementalHoareTripleChecker [168 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 2285.09ms Time] [2021-11-13 01:38:20,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10153 states. [2021-11-13 01:38:20,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10153 to 5126. [2021-11-13 01:38:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5126 states, 5052 states have (on average 2.0154394299287413) internal successors, (10182), 5125 states have internal predecessors, (10182), 0 states have call successors, (0), 0 states 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 01:38:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 10182 transitions. [2021-11-13 01:38:20,984 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 10182 transitions. Word has length 24 [2021-11-13 01:38:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:20,984 INFO L470 AbstractCegarLoop]: Abstraction has 5126 states and 10182 transitions. [2021-11-13 01:38:20,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 10182 transitions. [2021-11-13 01:38:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:20,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:20,986 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 01:38:20,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-13 01:38:20,987 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:20,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:20,987 INFO L85 PathProgramCache]: Analyzing trace with hash 839694186, now seen corresponding path program 18 times [2021-11-13 01:38:20,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:20,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020518599] [2021-11-13 01:38:20,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:20,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:21,298 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 01:38:21,298 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:21,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020518599] [2021-11-13 01:38:21,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020518599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:21,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:21,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:21,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603479032] [2021-11-13 01:38:21,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:21,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:21,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:21,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:21,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:21,301 INFO L87 Difference]: Start difference. First operand 5126 states and 10182 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:25,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:25,190 INFO L93 Difference]: Finished difference Result 10169 states and 20178 transitions. [2021-11-13 01:38:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:38:25,191 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:25,206 INFO L225 Difference]: With dead ends: 10169 [2021-11-13 01:38:25,206 INFO L226 Difference]: Without dead ends: 10169 [2021-11-13 01:38:25,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=414, Invalid=1068, Unknown=0, NotChecked=0, Total=1482 [2021-11-13 01:38:25,208 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 925 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 2832 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2535.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.31ms SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2940.99ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:25,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 344 Invalid, 2994 Unknown, 0 Unchecked, 11.31ms Time], IncrementalHoareTripleChecker [162 Valid, 2832 Invalid, 0 Unknown, 0 Unchecked, 2940.99ms Time] [2021-11-13 01:38:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10169 states. [2021-11-13 01:38:25,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10169 to 5122. [2021-11-13 01:38:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5122 states, 5048 states have (on average 2.0154516640253566) internal successors, (10174), 5121 states have internal predecessors, (10174), 0 states have call successors, (0), 0 states 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 01:38:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 10174 transitions. [2021-11-13 01:38:25,319 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 10174 transitions. Word has length 24 [2021-11-13 01:38:25,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:25,319 INFO L470 AbstractCegarLoop]: Abstraction has 5122 states and 10174 transitions. [2021-11-13 01:38:25,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 10174 transitions. [2021-11-13 01:38:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:25,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:25,320 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 01:38:25,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-13 01:38:25,321 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:25,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:25,321 INFO L85 PathProgramCache]: Analyzing trace with hash 839441958, now seen corresponding path program 1 times [2021-11-13 01:38:25,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:25,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984640550] [2021-11-13 01:38:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:25,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:25,939 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 01:38:25,939 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:25,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984640550] [2021-11-13 01:38:25,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984640550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:25,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:25,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:25,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588138213] [2021-11-13 01:38:25,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:25,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:25,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:25,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:25,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:25,940 INFO L87 Difference]: Start difference. First operand 5122 states and 10174 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:29,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:29,963 INFO L93 Difference]: Finished difference Result 9934 states and 19722 transitions. [2021-11-13 01:38:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:38:29,964 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:29,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:29,979 INFO L225 Difference]: With dead ends: 9934 [2021-11-13 01:38:29,979 INFO L226 Difference]: Without dead ends: 9934 [2021-11-13 01:38:29,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:38:29,980 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 705 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3083.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 3770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.81ms SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3558.20ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:29,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 471 Invalid, 3770 Unknown, 0 Unchecked, 13.81ms Time], IncrementalHoareTripleChecker [92 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 3558.20ms Time] [2021-11-13 01:38:30,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9934 states. [2021-11-13 01:38:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9934 to 5270. [2021-11-13 01:38:30,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5270 states, 5196 states have (on average 2.016551193225558) internal successors, (10478), 5269 states have internal predecessors, (10478), 0 states have call successors, (0), 0 states 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 01:38:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 5270 states and 10478 transitions. [2021-11-13 01:38:30,089 INFO L78 Accepts]: Start accepts. Automaton has 5270 states and 10478 transitions. Word has length 24 [2021-11-13 01:38:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:30,089 INFO L470 AbstractCegarLoop]: Abstraction has 5270 states and 10478 transitions. [2021-11-13 01:38:30,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 5270 states and 10478 transitions. [2021-11-13 01:38:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:30,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:30,092 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 01:38:30,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-13 01:38:30,092 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:30,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:30,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1582263818, now seen corresponding path program 2 times [2021-11-13 01:38:30,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:30,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351696226] [2021-11-13 01:38:30,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:30,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:30,704 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 01:38:30,704 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:30,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351696226] [2021-11-13 01:38:30,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351696226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:30,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:30,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:30,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951732782] [2021-11-13 01:38:30,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:30,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:30,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:30,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:30,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:30,706 INFO L87 Difference]: Start difference. First operand 5270 states and 10478 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:35,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:35,856 INFO L93 Difference]: Finished difference Result 9918 states and 19690 transitions. [2021-11-13 01:38:35,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:38:35,857 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:35,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:35,872 INFO L225 Difference]: With dead ends: 9918 [2021-11-13 01:38:35,872 INFO L226 Difference]: Without dead ends: 9918 [2021-11-13 01:38:35,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:38:35,873 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 652 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 4612 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4024.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 4714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.50ms SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 4612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4632.43ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:35,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 504 Invalid, 4714 Unknown, 0 Unchecked, 15.50ms Time], IncrementalHoareTripleChecker [102 Valid, 4612 Invalid, 0 Unknown, 0 Unchecked, 4632.43ms Time] [2021-11-13 01:38:35,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9918 states. [2021-11-13 01:38:35,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9918 to 5271. [2021-11-13 01:38:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5271 states, 5197 states have (on average 2.016548008466423) internal successors, (10480), 5270 states have internal predecessors, (10480), 0 states have call successors, (0), 0 states 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 01:38:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 10480 transitions. [2021-11-13 01:38:35,983 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 10480 transitions. Word has length 24 [2021-11-13 01:38:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:35,984 INFO L470 AbstractCegarLoop]: Abstraction has 5271 states and 10480 transitions. [2021-11-13 01:38:35,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 10480 transitions. [2021-11-13 01:38:35,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:35,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:35,985 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 01:38:35,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-13 01:38:35,985 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:35,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:35,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1576584308, now seen corresponding path program 3 times [2021-11-13 01:38:35,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:35,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935106605] [2021-11-13 01:38:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:35,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:36,523 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 01:38:36,523 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:36,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935106605] [2021-11-13 01:38:36,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935106605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:36,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:36,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:36,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216902531] [2021-11-13 01:38:36,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:36,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:36,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:36,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:36,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:36,525 INFO L87 Difference]: Start difference. First operand 5271 states and 10480 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:41,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:41,266 INFO L93 Difference]: Finished difference Result 9931 states and 19716 transitions. [2021-11-13 01:38:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:38:41,266 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:41,282 INFO L225 Difference]: With dead ends: 9931 [2021-11-13 01:38:41,282 INFO L226 Difference]: Without dead ends: 9931 [2021-11-13 01:38:41,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=265, Invalid=665, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:38:41,283 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 691 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 3959 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3577.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 4084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.47ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4124.61ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:41,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 481 Invalid, 4084 Unknown, 0 Unchecked, 14.47ms Time], IncrementalHoareTripleChecker [125 Valid, 3959 Invalid, 0 Unknown, 0 Unchecked, 4124.61ms Time] [2021-11-13 01:38:41,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9931 states. [2021-11-13 01:38:41,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9931 to 5279. [2021-11-13 01:38:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5279 states, 5205 states have (on average 2.0165225744476465) internal successors, (10496), 5278 states have internal predecessors, (10496), 0 states have call successors, (0), 0 states 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 01:38:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 10496 transitions. [2021-11-13 01:38:41,386 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 10496 transitions. Word has length 24 [2021-11-13 01:38:41,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:41,386 INFO L470 AbstractCegarLoop]: Abstraction has 5279 states and 10496 transitions. [2021-11-13 01:38:41,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 10496 transitions. [2021-11-13 01:38:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:41,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:41,388 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 01:38:41,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-13 01:38:41,388 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:41,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:41,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2006654630, now seen corresponding path program 4 times [2021-11-13 01:38:41,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:41,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969207180] [2021-11-13 01:38:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:41,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:41,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:41,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969207180] [2021-11-13 01:38:41,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969207180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:41,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:41,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:41,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407712390] [2021-11-13 01:38:41,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:41,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:41,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:41,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:41,898 INFO L87 Difference]: Start difference. First operand 5279 states and 10496 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:45,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:45,261 INFO L93 Difference]: Finished difference Result 9933 states and 19720 transitions. [2021-11-13 01:38:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:38:45,262 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:45,277 INFO L225 Difference]: With dead ends: 9933 [2021-11-13 01:38:45,277 INFO L226 Difference]: Without dead ends: 9933 [2021-11-13 01:38:45,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=225, Invalid=587, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:38:45,278 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 654 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 3060 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2479.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 3171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.03ms SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2877.95ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:45,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [654 Valid, 445 Invalid, 3171 Unknown, 0 Unchecked, 11.03ms Time], IncrementalHoareTripleChecker [111 Valid, 3060 Invalid, 0 Unknown, 0 Unchecked, 2877.95ms Time] [2021-11-13 01:38:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9933 states. [2021-11-13 01:38:45,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9933 to 5281. [2021-11-13 01:38:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 5207 states have (on average 2.0165162281544076) internal successors, (10500), 5280 states have internal predecessors, (10500), 0 states have call successors, (0), 0 states 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 01:38:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 10500 transitions. [2021-11-13 01:38:45,381 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 10500 transitions. Word has length 24 [2021-11-13 01:38:45,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:45,381 INFO L470 AbstractCegarLoop]: Abstraction has 5281 states and 10500 transitions. [2021-11-13 01:38:45,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 10500 transitions. [2021-11-13 01:38:45,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:45,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:45,383 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 01:38:45,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-13 01:38:45,383 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:45,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:45,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2012334140, now seen corresponding path program 5 times [2021-11-13 01:38:45,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:45,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369129302] [2021-11-13 01:38:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:45,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:45,943 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 01:38:45,943 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:45,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369129302] [2021-11-13 01:38:45,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369129302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:45,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:45,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:45,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259581747] [2021-11-13 01:38:45,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:45,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:45,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:45,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:45,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:45,945 INFO L87 Difference]: Start difference. First operand 5281 states and 10500 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:50,239 INFO L93 Difference]: Finished difference Result 9957 states and 19768 transitions. [2021-11-13 01:38:50,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:38:50,240 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:50,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:50,255 INFO L225 Difference]: With dead ends: 9957 [2021-11-13 01:38:50,255 INFO L226 Difference]: Without dead ends: 9957 [2021-11-13 01:38:50,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:38:50,256 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 714 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 3510 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3241.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 3631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.98ms SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3716.85ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:50,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [714 Valid, 463 Invalid, 3631 Unknown, 0 Unchecked, 12.98ms Time], IncrementalHoareTripleChecker [121 Valid, 3510 Invalid, 0 Unknown, 0 Unchecked, 3716.85ms Time] [2021-11-13 01:38:50,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2021-11-13 01:38:50,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 5280. [2021-11-13 01:38:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5280 states, 5206 states have (on average 2.01651940069151) internal successors, (10498), 5279 states have internal predecessors, (10498), 0 states have call successors, (0), 0 states 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 01:38:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5280 states to 5280 states and 10498 transitions. [2021-11-13 01:38:50,360 INFO L78 Accepts]: Start accepts. Automaton has 5280 states and 10498 transitions. Word has length 24 [2021-11-13 01:38:50,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:50,360 INFO L470 AbstractCegarLoop]: Abstraction has 5280 states and 10498 transitions. [2021-11-13 01:38:50,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 5280 states and 10498 transitions. [2021-11-13 01:38:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:50,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:50,361 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 01:38:50,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-13 01:38:50,362 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:50,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:50,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2105674616, now seen corresponding path program 6 times [2021-11-13 01:38:50,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:50,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477927607] [2021-11-13 01:38:50,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:50,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:50,827 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 01:38:50,828 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:50,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477927607] [2021-11-13 01:38:50,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477927607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:50,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:50,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:50,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275746898] [2021-11-13 01:38:50,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:50,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:50,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:50,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:50,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:50,829 INFO L87 Difference]: Start difference. First operand 5280 states and 10498 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:55,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:55,567 INFO L93 Difference]: Finished difference Result 9956 states and 19766 transitions. [2021-11-13 01:38:55,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:38:55,568 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:55,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:55,583 INFO L225 Difference]: With dead ends: 9956 [2021-11-13 01:38:55,583 INFO L226 Difference]: Without dead ends: 9956 [2021-11-13 01:38:55,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:38:55,584 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 715 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 4178 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3539.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 4296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.02ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4094.94ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:55,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 489 Invalid, 4296 Unknown, 0 Unchecked, 15.02ms Time], IncrementalHoareTripleChecker [118 Valid, 4178 Invalid, 0 Unknown, 0 Unchecked, 4094.94ms Time] [2021-11-13 01:38:55,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9956 states. [2021-11-13 01:38:55,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9956 to 5288. [2021-11-13 01:38:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5288 states, 5214 states have (on average 2.016494054468738) internal successors, (10514), 5287 states have internal predecessors, (10514), 0 states have call successors, (0), 0 states 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 01:38:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5288 states to 5288 states and 10514 transitions. [2021-11-13 01:38:55,688 INFO L78 Accepts]: Start accepts. Automaton has 5288 states and 10514 transitions. Word has length 24 [2021-11-13 01:38:55,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:55,688 INFO L470 AbstractCegarLoop]: Abstraction has 5288 states and 10514 transitions. [2021-11-13 01:38:55,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5288 states and 10514 transitions. [2021-11-13 01:38:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:55,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:55,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:55,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-13 01:38:55,690 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:55,691 INFO L85 PathProgramCache]: Analyzing trace with hash 568275318, now seen corresponding path program 7 times [2021-11-13 01:38:55,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:55,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516908600] [2021-11-13 01:38:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:55,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:56,174 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 01:38:56,175 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:56,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516908600] [2021-11-13 01:38:56,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516908600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:56,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:56,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:38:56,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244648771] [2021-11-13 01:38:56,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:56,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:56,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:56,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:56,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:38:56,177 INFO L87 Difference]: Start difference. First operand 5288 states and 10514 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:59,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:59,755 INFO L93 Difference]: Finished difference Result 9948 states and 19750 transitions. [2021-11-13 01:38:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:38:59,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:38:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:59,771 INFO L225 Difference]: With dead ends: 9948 [2021-11-13 01:38:59,771 INFO L226 Difference]: Without dead ends: 9948 [2021-11-13 01:38:59,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:38:59,772 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 648 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 3256 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2699.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 3335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.24ms SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 3256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3104.57ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:59,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 450 Invalid, 3335 Unknown, 0 Unchecked, 11.24ms Time], IncrementalHoareTripleChecker [79 Valid, 3256 Invalid, 0 Unknown, 0 Unchecked, 3104.57ms Time] [2021-11-13 01:38:59,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9948 states. [2021-11-13 01:38:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9948 to 5291. [2021-11-13 01:38:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5291 states, 5217 states have (on average 2.016484569676059) internal successors, (10520), 5290 states have internal predecessors, (10520), 0 states have call successors, (0), 0 states 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 01:38:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 5291 states and 10520 transitions. [2021-11-13 01:38:59,879 INFO L78 Accepts]: Start accepts. Automaton has 5291 states and 10520 transitions. Word has length 24 [2021-11-13 01:38:59,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:59,879 INFO L470 AbstractCegarLoop]: Abstraction has 5291 states and 10520 transitions. [2021-11-13 01:38:59,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:38:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 10520 transitions. [2021-11-13 01:38:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:38:59,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:59,881 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 01:38:59,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-13 01:38:59,881 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:38:59,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:59,882 INFO L85 PathProgramCache]: Analyzing trace with hash 573954828, now seen corresponding path program 8 times [2021-11-13 01:38:59,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:59,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424754283] [2021-11-13 01:38:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:59,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:00,333 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 01:39:00,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:00,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424754283] [2021-11-13 01:39:00,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424754283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:00,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:00,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:39:00,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577508305] [2021-11-13 01:39:00,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:00,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:39:00,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:00,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:39:00,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:39:00,335 INFO L87 Difference]: Start difference. First operand 5291 states and 10520 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:03,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:03,544 INFO L93 Difference]: Finished difference Result 9972 states and 19798 transitions. [2021-11-13 01:39:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:39:03,545 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:39:03,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:03,561 INFO L225 Difference]: With dead ends: 9972 [2021-11-13 01:39:03,561 INFO L226 Difference]: Without dead ends: 9972 [2021-11-13 01:39:03,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=226, Invalid=586, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:39:03,562 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 635 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2255.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 3002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.56ms SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2622.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:03,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [635 Valid, 440 Invalid, 3002 Unknown, 0 Unchecked, 33.56ms Time], IncrementalHoareTripleChecker [101 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 2622.84ms Time] [2021-11-13 01:39:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9972 states. [2021-11-13 01:39:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9972 to 5290. [2021-11-13 01:39:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5290 states, 5216 states have (on average 2.0164877300613497) internal successors, (10518), 5289 states have internal predecessors, (10518), 0 states have call successors, (0), 0 states 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 01:39:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5290 states to 5290 states and 10518 transitions. [2021-11-13 01:39:03,654 INFO L78 Accepts]: Start accepts. Automaton has 5290 states and 10518 transitions. Word has length 24 [2021-11-13 01:39:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:03,654 INFO L470 AbstractCegarLoop]: Abstraction has 5290 states and 10518 transitions. [2021-11-13 01:39:03,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5290 states and 10518 transitions. [2021-11-13 01:39:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:03,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:03,655 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 01:39:03,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-13 01:39:03,656 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:03,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:03,656 INFO L85 PathProgramCache]: Analyzing trace with hash 750913368, now seen corresponding path program 9 times [2021-11-13 01:39:03,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:03,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813790738] [2021-11-13 01:39:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:03,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:04,077 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 01:39:04,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:04,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813790738] [2021-11-13 01:39:04,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813790738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:04,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:04,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:39:04,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134762059] [2021-11-13 01:39:04,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:04,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:39:04,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:04,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:39:04,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:39:04,078 INFO L87 Difference]: Start difference. First operand 5290 states and 10518 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:07,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:07,605 INFO L93 Difference]: Finished difference Result 9996 states and 19846 transitions. [2021-11-13 01:39:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:39:07,606 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:39:07,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:07,621 INFO L225 Difference]: With dead ends: 9996 [2021-11-13 01:39:07,621 INFO L226 Difference]: Without dead ends: 9996 [2021-11-13 01:39:07,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:39:07,622 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 606 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2567.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 3394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.31ms SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2973.47ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:07,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 456 Invalid, 3394 Unknown, 0 Unchecked, 12.31ms Time], IncrementalHoareTripleChecker [91 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 2973.47ms Time] [2021-11-13 01:39:07,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9996 states. [2021-11-13 01:39:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9996 to 5289. [2021-11-13 01:39:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5289 states, 5215 states have (on average 2.016490891658677) internal successors, (10516), 5288 states have internal predecessors, (10516), 0 states have call successors, (0), 0 states 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 01:39:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 10516 transitions. [2021-11-13 01:39:07,751 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 10516 transitions. Word has length 24 [2021-11-13 01:39:07,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:07,751 INFO L470 AbstractCegarLoop]: Abstraction has 5289 states and 10516 transitions. [2021-11-13 01:39:07,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:07,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 10516 transitions. [2021-11-13 01:39:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:07,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:07,753 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 01:39:07,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-13 01:39:07,753 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:07,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:07,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1969366442, now seen corresponding path program 10 times [2021-11-13 01:39:07,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:07,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747609633] [2021-11-13 01:39:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:07,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:08,165 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 01:39:08,166 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:08,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747609633] [2021-11-13 01:39:08,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747609633] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:08,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:08,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:39:08,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767304218] [2021-11-13 01:39:08,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:08,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:39:08,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:08,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:39:08,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:39:08,168 INFO L87 Difference]: Start difference. First operand 5289 states and 10516 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:11,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:11,249 INFO L93 Difference]: Finished difference Result 9981 states and 19816 transitions. [2021-11-13 01:39:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:39:11,250 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:39:11,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:11,264 INFO L225 Difference]: With dead ends: 9981 [2021-11-13 01:39:11,264 INFO L226 Difference]: Without dead ends: 9981 [2021-11-13 01:39:11,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:39:11,265 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 612 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 2880 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2151.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 2971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.10ms SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2501.58ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:11,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [612 Valid, 441 Invalid, 2971 Unknown, 0 Unchecked, 11.10ms Time], IncrementalHoareTripleChecker [91 Valid, 2880 Invalid, 0 Unknown, 0 Unchecked, 2501.58ms Time] [2021-11-13 01:39:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9981 states. [2021-11-13 01:39:11,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9981 to 5297. [2021-11-13 01:39:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5297 states, 5223 states have (on average 2.0164656327780968) internal successors, (10532), 5296 states have internal predecessors, (10532), 0 states have call successors, (0), 0 states 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 01:39:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 5297 states and 10532 transitions. [2021-11-13 01:39:11,370 INFO L78 Accepts]: Start accepts. Automaton has 5297 states and 10532 transitions. Word has length 24 [2021-11-13 01:39:11,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:11,371 INFO L470 AbstractCegarLoop]: Abstraction has 5297 states and 10532 transitions. [2021-11-13 01:39:11,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 5297 states and 10532 transitions. [2021-11-13 01:39:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:11,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:11,372 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 01:39:11,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-13 01:39:11,372 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:11,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:11,373 INFO L85 PathProgramCache]: Analyzing trace with hash -775434074, now seen corresponding path program 11 times [2021-11-13 01:39:11,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:11,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552840262] [2021-11-13 01:39:11,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:11,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:11,609 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 01:39:11,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:11,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552840262] [2021-11-13 01:39:11,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552840262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:11,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:11,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:11,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938864539] [2021-11-13 01:39:11,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:11,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:11,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:11,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:11,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:11,612 INFO L87 Difference]: Start difference. First operand 5297 states and 10532 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 01:39:13,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:13,882 INFO L93 Difference]: Finished difference Result 9185 states and 18256 transitions. [2021-11-13 01:39:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:39:13,883 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 01:39:13,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:13,899 INFO L225 Difference]: With dead ends: 9185 [2021-11-13 01:39:13,900 INFO L226 Difference]: Without dead ends: 9185 [2021-11-13 01:39:13,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:39:13,900 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 689 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1731.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.33ms SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2015.82ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:13,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 458 Invalid, 1920 Unknown, 0 Unchecked, 9.33ms Time], IncrementalHoareTripleChecker [58 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 2015.82ms Time] [2021-11-13 01:39:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9185 states. [2021-11-13 01:39:13,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9185 to 5301. [2021-11-13 01:39:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5301 states, 5227 states have (on average 2.0164530323321217) internal successors, (10540), 5300 states have internal predecessors, (10540), 0 states have call successors, (0), 0 states 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 01:39:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 10540 transitions. [2021-11-13 01:39:14,003 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 10540 transitions. Word has length 24 [2021-11-13 01:39:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:14,003 INFO L470 AbstractCegarLoop]: Abstraction has 5301 states and 10540 transitions. [2021-11-13 01:39:14,004 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 01:39:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 10540 transitions. [2021-11-13 01:39:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:14,005 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:14,005 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 01:39:14,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-13 01:39:14,005 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:14,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:14,006 INFO L85 PathProgramCache]: Analyzing trace with hash -769754564, now seen corresponding path program 12 times [2021-11-13 01:39:14,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:14,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146899639] [2021-11-13 01:39:14,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:14,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:39:14,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:14,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146899639] [2021-11-13 01:39:14,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146899639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:14,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:14,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:14,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068123026] [2021-11-13 01:39:14,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:14,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:14,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:14,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:14,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:14,251 INFO L87 Difference]: Start difference. First operand 5301 states and 10540 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 01:39:17,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:17,241 INFO L93 Difference]: Finished difference Result 9124 states and 18128 transitions. [2021-11-13 01:39:17,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:39:17,242 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 01:39:17,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:17,256 INFO L225 Difference]: With dead ends: 9124 [2021-11-13 01:39:17,256 INFO L226 Difference]: Without dead ends: 9124 [2021-11-13 01:39:17,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:17,257 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 669 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 2577 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2310.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.96ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2675.72ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:17,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 488 Invalid, 2631 Unknown, 0 Unchecked, 10.96ms Time], IncrementalHoareTripleChecker [54 Valid, 2577 Invalid, 0 Unknown, 0 Unchecked, 2675.72ms Time] [2021-11-13 01:39:17,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2021-11-13 01:39:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 5300. [2021-11-13 01:39:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5300 states, 5226 states have (on average 2.016456180635285) internal successors, (10538), 5299 states have internal predecessors, (10538), 0 states have call successors, (0), 0 states 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 01:39:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 10538 transitions. [2021-11-13 01:39:17,362 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 10538 transitions. Word has length 24 [2021-11-13 01:39:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:17,362 INFO L470 AbstractCegarLoop]: Abstraction has 5300 states and 10538 transitions. [2021-11-13 01:39:17,362 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 01:39:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 10538 transitions. [2021-11-13 01:39:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:17,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:17,365 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 01:39:17,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-13 01:39:17,365 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:17,366 INFO L85 PathProgramCache]: Analyzing trace with hash -592796024, now seen corresponding path program 13 times [2021-11-13 01:39:17,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:17,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958427775] [2021-11-13 01:39:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:17,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:17,581 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 01:39:17,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:17,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958427775] [2021-11-13 01:39:17,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958427775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:17,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:17,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:17,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597747626] [2021-11-13 01:39:17,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:17,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:17,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:17,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:17,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:17,583 INFO L87 Difference]: Start difference. First operand 5300 states and 10538 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 01:39:20,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:20,000 INFO L93 Difference]: Finished difference Result 9148 states and 18176 transitions. [2021-11-13 01:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:39:20,001 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 01:39:20,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:20,015 INFO L225 Difference]: With dead ends: 9148 [2021-11-13 01:39:20,015 INFO L226 Difference]: Without dead ends: 9148 [2021-11-13 01:39:20,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:20,015 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 645 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1827.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.47ms SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2115.75ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:20,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 468 Invalid, 2064 Unknown, 0 Unchecked, 9.47ms Time], IncrementalHoareTripleChecker [58 Valid, 2006 Invalid, 0 Unknown, 0 Unchecked, 2115.75ms Time] [2021-11-13 01:39:20,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9148 states. [2021-11-13 01:39:20,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9148 to 5299. [2021-11-13 01:39:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5225 states have (on average 2.0164593301435407) internal successors, (10536), 5298 states have internal predecessors, (10536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 10536 transitions. [2021-11-13 01:39:20,135 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 10536 transitions. Word has length 24 [2021-11-13 01:39:20,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:20,135 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 10536 transitions. [2021-11-13 01:39:20,135 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 01:39:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 10536 transitions. [2021-11-13 01:39:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:20,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:20,137 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 01:39:20,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-13 01:39:20,137 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:20,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:20,137 INFO L85 PathProgramCache]: Analyzing trace with hash 625657050, now seen corresponding path program 14 times [2021-11-13 01:39:20,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:20,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502329048] [2021-11-13 01:39:20,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:20,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:20,379 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 01:39:20,379 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:20,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502329048] [2021-11-13 01:39:20,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502329048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:20,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:20,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:20,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844098182] [2021-11-13 01:39:20,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:20,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:20,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:20,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:20,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:20,381 INFO L87 Difference]: Start difference. First operand 5299 states and 10536 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 01:39:22,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:22,492 INFO L93 Difference]: Finished difference Result 9172 states and 18224 transitions. [2021-11-13 01:39:22,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:39:22,493 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 01:39:22,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:22,507 INFO L225 Difference]: With dead ends: 9172 [2021-11-13 01:39:22,508 INFO L226 Difference]: Without dead ends: 9172 [2021-11-13 01:39:22,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:22,508 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 623 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1570.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.32ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1815.75ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:22,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [623 Valid, 456 Invalid, 1851 Unknown, 0 Unchecked, 8.32ms Time], IncrementalHoareTripleChecker [57 Valid, 1794 Invalid, 0 Unknown, 0 Unchecked, 1815.75ms Time] [2021-11-13 01:39:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9172 states. [2021-11-13 01:39:22,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9172 to 5298. [2021-11-13 01:39:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5298 states, 5224 states have (on average 2.0164624808575806) internal successors, (10534), 5297 states have internal predecessors, (10534), 0 states have call successors, (0), 0 states 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 01:39:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5298 states to 5298 states and 10534 transitions. [2021-11-13 01:39:22,612 INFO L78 Accepts]: Start accepts. Automaton has 5298 states and 10534 transitions. Word has length 24 [2021-11-13 01:39:22,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:22,613 INFO L470 AbstractCegarLoop]: Abstraction has 5298 states and 10534 transitions. [2021-11-13 01:39:22,613 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 01:39:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 5298 states and 10534 transitions. [2021-11-13 01:39:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:22,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:22,614 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 01:39:22,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-13 01:39:22,614 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:22,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash 619115944, now seen corresponding path program 15 times [2021-11-13 01:39:22,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:22,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940809283] [2021-11-13 01:39:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:22,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:22,854 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 01:39:22,854 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:22,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940809283] [2021-11-13 01:39:22,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940809283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:22,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:22,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:22,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231602974] [2021-11-13 01:39:22,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:22,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:22,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:22,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:22,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:22,856 INFO L87 Difference]: Start difference. First operand 5298 states and 10534 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 01:39:25,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:25,432 INFO L93 Difference]: Finished difference Result 9181 states and 18242 transitions. [2021-11-13 01:39:25,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:39:25,433 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 01:39:25,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:25,447 INFO L225 Difference]: With dead ends: 9181 [2021-11-13 01:39:25,447 INFO L226 Difference]: Without dead ends: 9181 [2021-11-13 01:39:25,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:25,448 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 783 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1931.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.20ms SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2232.14ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:25,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [783 Valid, 576 Invalid, 1953 Unknown, 0 Unchecked, 10.20ms Time], IncrementalHoareTripleChecker [78 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 2232.14ms Time] [2021-11-13 01:39:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9181 states. [2021-11-13 01:39:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9181 to 5341. [2021-11-13 01:39:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5341 states, 5267 states have (on average 2.0172773875071197) internal successors, (10625), 5340 states have internal predecessors, (10625), 0 states have call successors, (0), 0 states 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 01:39:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5341 states to 5341 states and 10625 transitions. [2021-11-13 01:39:25,549 INFO L78 Accepts]: Start accepts. Automaton has 5341 states and 10625 transitions. Word has length 24 [2021-11-13 01:39:25,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:25,549 INFO L470 AbstractCegarLoop]: Abstraction has 5341 states and 10625 transitions. [2021-11-13 01:39:25,549 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 01:39:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 10625 transitions. [2021-11-13 01:39:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:25,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:25,551 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 01:39:25,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-13 01:39:25,551 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:25,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:25,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1058469843, now seen corresponding path program 1 times [2021-11-13 01:39:25,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:25,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050801397] [2021-11-13 01:39:25,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:25,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:25,742 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 01:39:25,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:25,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050801397] [2021-11-13 01:39:25,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050801397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:25,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:25,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:25,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712801655] [2021-11-13 01:39:25,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:25,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:25,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:25,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:25,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:25,744 INFO L87 Difference]: Start difference. First operand 5341 states and 10625 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 01:39:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:28,822 INFO L93 Difference]: Finished difference Result 9070 states and 18016 transitions. [2021-11-13 01:39:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:39:28,823 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 01:39:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:28,837 INFO L225 Difference]: With dead ends: 9070 [2021-11-13 01:39:28,838 INFO L226 Difference]: Without dead ends: 9070 [2021-11-13 01:39:28,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:39:28,838 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 831 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2250.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 2953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.28ms SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2631.45ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:28,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [831 Valid, 547 Invalid, 2953 Unknown, 0 Unchecked, 12.28ms Time], IncrementalHoareTripleChecker [128 Valid, 2825 Invalid, 0 Unknown, 0 Unchecked, 2631.45ms Time] [2021-11-13 01:39:28,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9070 states. [2021-11-13 01:39:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9070 to 5399. [2021-11-13 01:39:28,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 5325 states have (on average 2.0178403755868546) internal successors, (10745), 5398 states have internal predecessors, (10745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 10745 transitions. [2021-11-13 01:39:28,943 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 10745 transitions. Word has length 24 [2021-11-13 01:39:28,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:28,943 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 10745 transitions. [2021-11-13 01:39:28,943 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 01:39:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 10745 transitions. [2021-11-13 01:39:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:28,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:28,945 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 01:39:28,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-13 01:39:28,945 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:28,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:28,946 INFO L85 PathProgramCache]: Analyzing trace with hash -105319190, now seen corresponding path program 19 times [2021-11-13 01:39:28,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:28,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222055484] [2021-11-13 01:39:28,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:28,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:29,554 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 01:39:29,554 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:29,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222055484] [2021-11-13 01:39:29,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222055484] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:29,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:29,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:39:29,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160093132] [2021-11-13 01:39:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:29,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:39:29,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:29,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:39:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:39:29,556 INFO L87 Difference]: Start difference. First operand 5399 states and 10745 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:32,781 INFO L93 Difference]: Finished difference Result 10365 states and 20597 transitions. [2021-11-13 01:39:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:39:32,782 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:39:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:32,805 INFO L225 Difference]: With dead ends: 10365 [2021-11-13 01:39:32,805 INFO L226 Difference]: Without dead ends: 10365 [2021-11-13 01:39:32,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=270, Invalid=600, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:39:32,805 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 854 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2334.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.39ms SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2673.18ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:32,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [854 Valid, 227 Invalid, 2567 Unknown, 0 Unchecked, 11.39ms Time], IncrementalHoareTripleChecker [160 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 2673.18ms Time] [2021-11-13 01:39:32,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10365 states. [2021-11-13 01:39:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10365 to 5415. [2021-11-13 01:39:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5415 states, 5341 states have (on average 2.017786931286276) internal successors, (10777), 5414 states have internal predecessors, (10777), 0 states have call successors, (0), 0 states 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 01:39:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5415 states to 5415 states and 10777 transitions. [2021-11-13 01:39:32,948 INFO L78 Accepts]: Start accepts. Automaton has 5415 states and 10777 transitions. Word has length 24 [2021-11-13 01:39:32,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:32,948 INFO L470 AbstractCegarLoop]: Abstraction has 5415 states and 10777 transitions. [2021-11-13 01:39:32,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:32,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5415 states and 10777 transitions. [2021-11-13 01:39:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:32,951 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:32,951 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 01:39:32,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-13 01:39:32,951 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:32,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:32,952 INFO L85 PathProgramCache]: Analyzing trace with hash 775433214, now seen corresponding path program 20 times [2021-11-13 01:39:32,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:32,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301412834] [2021-11-13 01:39:32,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:32,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:33,492 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 01:39:33,492 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:33,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301412834] [2021-11-13 01:39:33,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301412834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:33,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:33,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:39:33,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386324196] [2021-11-13 01:39:33,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:33,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:39:33,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:33,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:39:33,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:39:33,494 INFO L87 Difference]: Start difference. First operand 5415 states and 10777 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:36,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:36,107 INFO L93 Difference]: Finished difference Result 10383 states and 20633 transitions. [2021-11-13 01:39:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:39:36,107 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:39:36,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:36,123 INFO L225 Difference]: With dead ends: 10383 [2021-11-13 01:39:36,123 INFO L226 Difference]: Without dead ends: 10383 [2021-11-13 01:39:36,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=362, Invalid=760, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:39:36,124 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 868 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1715.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.65ms SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1990.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:36,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 209 Invalid, 1956 Unknown, 0 Unchecked, 8.65ms Time], IncrementalHoareTripleChecker [168 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 1990.84ms Time] [2021-11-13 01:39:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2021-11-13 01:39:36,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 5403. [2021-11-13 01:39:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5403 states, 5329 states have (on average 2.017826984424845) internal successors, (10753), 5402 states have internal predecessors, (10753), 0 states have call successors, (0), 0 states 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 01:39:36,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 5403 states and 10753 transitions. [2021-11-13 01:39:36,234 INFO L78 Accepts]: Start accepts. Automaton has 5403 states and 10753 transitions. Word has length 24 [2021-11-13 01:39:36,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:36,234 INFO L470 AbstractCegarLoop]: Abstraction has 5403 states and 10753 transitions. [2021-11-13 01:39:36,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:39:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 5403 states and 10753 transitions. [2021-11-13 01:39:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:36,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:36,236 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 01:39:36,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-13 01:39:36,236 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:36,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:36,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1144959298, now seen corresponding path program 16 times [2021-11-13 01:39:36,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:36,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346625352] [2021-11-13 01:39:36,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:36,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:36,500 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 01:39:36,500 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:36,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346625352] [2021-11-13 01:39:36,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346625352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:36,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:36,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:36,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942033839] [2021-11-13 01:39:36,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:36,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:36,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:36,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:36,503 INFO L87 Difference]: Start difference. First operand 5403 states and 10753 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 01:39:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:38,964 INFO L93 Difference]: Finished difference Result 12971 states and 25780 transitions. [2021-11-13 01:39:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:39:38,965 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 01:39:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:38,987 INFO L225 Difference]: With dead ends: 12971 [2021-11-13 01:39:38,987 INFO L226 Difference]: Without dead ends: 12971 [2021-11-13 01:39:38,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:39:38,988 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 773 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1871.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.84ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2186.60ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:38,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [773 Valid, 607 Invalid, 2307 Unknown, 0 Unchecked, 9.84ms Time], IncrementalHoareTripleChecker [45 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 2186.60ms Time] [2021-11-13 01:39:39,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12971 states. [2021-11-13 01:39:39,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12971 to 5508. [2021-11-13 01:39:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5508 states, 5434 states have (on average 2.018770702981229) internal successors, (10970), 5507 states have internal predecessors, (10970), 0 states have call successors, (0), 0 states 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 01:39:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 10970 transitions. [2021-11-13 01:39:39,114 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 10970 transitions. Word has length 24 [2021-11-13 01:39:39,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:39,115 INFO L470 AbstractCegarLoop]: Abstraction has 5508 states and 10970 transitions. [2021-11-13 01:39:39,115 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 01:39:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 10970 transitions. [2021-11-13 01:39:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:39,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:39,117 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 01:39:39,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-13 01:39:39,117 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:39,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:39,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1472422211, now seen corresponding path program 2 times [2021-11-13 01:39:39,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:39,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824777244] [2021-11-13 01:39:39,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:39,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:39,295 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 01:39:39,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:39,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824777244] [2021-11-13 01:39:39,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824777244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:39,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:39,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:39,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386627323] [2021-11-13 01:39:39,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:39,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:39,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:39,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:39,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:39,298 INFO L87 Difference]: Start difference. First operand 5508 states and 10970 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 01:39:42,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:42,606 INFO L93 Difference]: Finished difference Result 13119 states and 26062 transitions. [2021-11-13 01:39:42,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:39:42,607 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 01:39:42,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:42,629 INFO L225 Difference]: With dead ends: 13119 [2021-11-13 01:39:42,629 INFO L226 Difference]: Without dead ends: 13119 [2021-11-13 01:39:42,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:39:42,630 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 870 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2411.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 3211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.59ms SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2844.05ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:42,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [870 Valid, 568 Invalid, 3211 Unknown, 0 Unchecked, 12.59ms Time], IncrementalHoareTripleChecker [164 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 2844.05ms Time] [2021-11-13 01:39:42,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13119 states. [2021-11-13 01:39:42,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13119 to 5618. [2021-11-13 01:39:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5618 states, 5544 states have (on average 2.020923520923521) internal successors, (11204), 5617 states have internal predecessors, (11204), 0 states have call successors, (0), 0 states 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 01:39:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5618 states to 5618 states and 11204 transitions. [2021-11-13 01:39:42,753 INFO L78 Accepts]: Start accepts. Automaton has 5618 states and 11204 transitions. Word has length 24 [2021-11-13 01:39:42,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:42,754 INFO L470 AbstractCegarLoop]: Abstraction has 5618 states and 11204 transitions. [2021-11-13 01:39:42,754 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 01:39:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 5618 states and 11204 transitions. [2021-11-13 01:39:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:42,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:42,755 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 01:39:42,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-13 01:39:42,756 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:42,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:42,756 INFO L85 PathProgramCache]: Analyzing trace with hash 826415222, now seen corresponding path program 17 times [2021-11-13 01:39:42,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:42,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490342463] [2021-11-13 01:39:42,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:42,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:43,021 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 01:39:43,021 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:43,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490342463] [2021-11-13 01:39:43,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490342463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:43,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:43,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:43,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929694215] [2021-11-13 01:39:43,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:43,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:43,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:43,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:43,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:43,023 INFO L87 Difference]: Start difference. First operand 5618 states and 11204 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 01:39:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:46,246 INFO L93 Difference]: Finished difference Result 12899 states and 25626 transitions. [2021-11-13 01:39:46,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:39:46,249 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 01:39:46,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:46,280 INFO L225 Difference]: With dead ends: 12899 [2021-11-13 01:39:46,280 INFO L226 Difference]: Without dead ends: 12899 [2021-11-13 01:39:46,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:39:46,281 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 671 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 2873 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2517.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.44ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2938.33ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:46,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 527 Invalid, 2895 Unknown, 0 Unchecked, 11.44ms Time], IncrementalHoareTripleChecker [22 Valid, 2873 Invalid, 0 Unknown, 0 Unchecked, 2938.33ms Time] [2021-11-13 01:39:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12899 states. [2021-11-13 01:39:46,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12899 to 5623. [2021-11-13 01:39:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5623 states, 5549 states have (on average 2.020904667507659) internal successors, (11214), 5622 states have internal predecessors, (11214), 0 states have call successors, (0), 0 states 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 01:39:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5623 states to 5623 states and 11214 transitions. [2021-11-13 01:39:46,410 INFO L78 Accepts]: Start accepts. Automaton has 5623 states and 11214 transitions. Word has length 24 [2021-11-13 01:39:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:46,410 INFO L470 AbstractCegarLoop]: Abstraction has 5623 states and 11214 transitions. [2021-11-13 01:39:46,410 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 01:39:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5623 states and 11214 transitions. [2021-11-13 01:39:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:46,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:46,411 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 01:39:46,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-13 01:39:46,412 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:46,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:46,412 INFO L85 PathProgramCache]: Analyzing trace with hash 832094732, now seen corresponding path program 18 times [2021-11-13 01:39:46,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:46,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528224957] [2021-11-13 01:39:46,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:46,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:46,606 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 01:39:46,606 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:46,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528224957] [2021-11-13 01:39:46,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528224957] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:46,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:46,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:46,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938876329] [2021-11-13 01:39:46,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:46,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:46,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:46,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:46,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:46,607 INFO L87 Difference]: Start difference. First operand 5623 states and 11214 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 01:39:49,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:49,371 INFO L93 Difference]: Finished difference Result 12923 states and 25674 transitions. [2021-11-13 01:39:49,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:39:49,372 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 01:39:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:49,393 INFO L225 Difference]: With dead ends: 12923 [2021-11-13 01:39:49,393 INFO L226 Difference]: Without dead ends: 12923 [2021-11-13 01:39:49,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:39:49,394 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 675 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2103.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.40ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2445.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:49,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [675 Valid, 520 Invalid, 2485 Unknown, 0 Unchecked, 10.40ms Time], IncrementalHoareTripleChecker [33 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2445.27ms Time] [2021-11-13 01:39:49,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12923 states. [2021-11-13 01:39:49,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12923 to 5631. [2021-11-13 01:39:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5631 states, 5557 states have (on average 2.0208745726111212) internal successors, (11230), 5630 states have internal predecessors, (11230), 0 states have call successors, (0), 0 states 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 01:39:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 5631 states and 11230 transitions. [2021-11-13 01:39:49,514 INFO L78 Accepts]: Start accepts. Automaton has 5631 states and 11230 transitions. Word has length 24 [2021-11-13 01:39:49,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:49,514 INFO L470 AbstractCegarLoop]: Abstraction has 5631 states and 11230 transitions. [2021-11-13 01:39:49,515 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 01:39:49,515 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 11230 transitions. [2021-11-13 01:39:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:49,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:49,516 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 01:39:49,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-13 01:39:49,516 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:49,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:49,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1009053272, now seen corresponding path program 19 times [2021-11-13 01:39:49,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:49,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968352130] [2021-11-13 01:39:49,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:49,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:49,714 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 01:39:49,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:49,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968352130] [2021-11-13 01:39:49,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968352130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:49,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:49,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:49,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177973123] [2021-11-13 01:39:49,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:49,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:49,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:49,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:49,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:49,717 INFO L87 Difference]: Start difference. First operand 5631 states and 11230 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 01:39:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:52,474 INFO L93 Difference]: Finished difference Result 12947 states and 25722 transitions. [2021-11-13 01:39:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:39:52,481 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 01:39:52,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:52,503 INFO L225 Difference]: With dead ends: 12947 [2021-11-13 01:39:52,503 INFO L226 Difference]: Without dead ends: 12947 [2021-11-13 01:39:52,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:39:52,504 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 629 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2042.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.06ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2372.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:52,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 503 Invalid, 2292 Unknown, 0 Unchecked, 10.06ms Time], IncrementalHoareTripleChecker [35 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 2372.27ms Time] [2021-11-13 01:39:52,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12947 states. [2021-11-13 01:39:52,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12947 to 5639. [2021-11-13 01:39:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5639 states, 5565 states have (on average 2.020844564240791) internal successors, (11246), 5638 states have internal predecessors, (11246), 0 states have call successors, (0), 0 states 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 01:39:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 5639 states and 11246 transitions. [2021-11-13 01:39:52,675 INFO L78 Accepts]: Start accepts. Automaton has 5639 states and 11246 transitions. Word has length 24 [2021-11-13 01:39:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:52,675 INFO L470 AbstractCegarLoop]: Abstraction has 5639 states and 11246 transitions. [2021-11-13 01:39:52,675 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 01:39:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 5639 states and 11246 transitions. [2021-11-13 01:39:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:52,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:52,677 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 01:39:52,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-13 01:39:52,677 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:52,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2067460950, now seen corresponding path program 20 times [2021-11-13 01:39:52,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:52,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942189231] [2021-11-13 01:39:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:52,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:52,918 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 01:39:52,918 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:52,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942189231] [2021-11-13 01:39:52,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942189231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:52,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:52,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:52,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682356732] [2021-11-13 01:39:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:52,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:52,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:52,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:52,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:52,920 INFO L87 Difference]: Start difference. First operand 5639 states and 11246 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 01:39:55,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:55,675 INFO L93 Difference]: Finished difference Result 12971 states and 25770 transitions. [2021-11-13 01:39:55,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:39:55,676 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 01:39:55,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:55,698 INFO L225 Difference]: With dead ends: 12971 [2021-11-13 01:39:55,699 INFO L226 Difference]: Without dead ends: 12971 [2021-11-13 01:39:55,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:39:55,699 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 604 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 2393 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2047.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 2437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.09ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2374.19ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:55,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 511 Invalid, 2437 Unknown, 0 Unchecked, 10.09ms Time], IncrementalHoareTripleChecker [44 Valid, 2393 Invalid, 0 Unknown, 0 Unchecked, 2374.19ms Time] [2021-11-13 01:39:55,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12971 states. [2021-11-13 01:39:55,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12971 to 5647. [2021-11-13 01:39:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5647 states, 5573 states have (on average 2.0208146420240447) internal successors, (11262), 5646 states have internal predecessors, (11262), 0 states have call successors, (0), 0 states 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 01:39:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5647 states to 5647 states and 11262 transitions. [2021-11-13 01:39:55,824 INFO L78 Accepts]: Start accepts. Automaton has 5647 states and 11262 transitions. Word has length 24 [2021-11-13 01:39:55,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:55,825 INFO L470 AbstractCegarLoop]: Abstraction has 5647 states and 11262 transitions. [2021-11-13 01:39:55,825 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 01:39:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5647 states and 11262 transitions. [2021-11-13 01:39:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:55,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:55,826 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 01:39:55,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-13 01:39:55,826 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2074002056, now seen corresponding path program 21 times [2021-11-13 01:39:55,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:55,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142452371] [2021-11-13 01:39:55,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:55,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:56,073 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 01:39:56,074 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:56,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142452371] [2021-11-13 01:39:56,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142452371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:56,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:56,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:56,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558348538] [2021-11-13 01:39:56,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:56,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:56,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:56,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:56,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:56,076 INFO L87 Difference]: Start difference. First operand 5647 states and 11262 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 01:39:59,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:59,300 INFO L93 Difference]: Finished difference Result 16318 states and 32407 transitions. [2021-11-13 01:39:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:39:59,301 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 01:39:59,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:59,328 INFO L225 Difference]: With dead ends: 16318 [2021-11-13 01:39:59,329 INFO L226 Difference]: Without dead ends: 16318 [2021-11-13 01:39:59,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:39:59,329 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 792 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2518.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 3117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.07ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2931.52ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:59,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [792 Valid, 698 Invalid, 3117 Unknown, 0 Unchecked, 12.07ms Time], IncrementalHoareTripleChecker [53 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 2931.52ms Time] [2021-11-13 01:39:59,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16318 states. [2021-11-13 01:39:59,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16318 to 5639. [2021-11-13 01:39:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5639 states, 5565 states have (on average 2.0206648697214735) internal successors, (11245), 5638 states have internal predecessors, (11245), 0 states have call successors, (0), 0 states 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 01:39:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 5639 states and 11245 transitions. [2021-11-13 01:39:59,471 INFO L78 Accepts]: Start accepts. Automaton has 5639 states and 11245 transitions. Word has length 24 [2021-11-13 01:39:59,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:59,471 INFO L470 AbstractCegarLoop]: Abstraction has 5639 states and 11245 transitions. [2021-11-13 01:39:59,471 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 01:39:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 5639 states and 11245 transitions. [2021-11-13 01:39:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:39:59,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:59,472 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 01:39:59,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-13 01:39:59,473 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:39:59,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:59,473 INFO L85 PathProgramCache]: Analyzing trace with hash 543379453, now seen corresponding path program 3 times [2021-11-13 01:39:59,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:59,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800214274] [2021-11-13 01:39:59,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:59,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:59,645 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 01:39:59,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:59,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800214274] [2021-11-13 01:39:59,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800214274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:59,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:59,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:39:59,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618038673] [2021-11-13 01:39:59,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:59,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:39:59,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:59,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:39:59,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:39:59,647 INFO L87 Difference]: Start difference. First operand 5639 states and 11245 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 01:40:04,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:04,411 INFO L93 Difference]: Finished difference Result 16593 states and 32937 transitions. [2021-11-13 01:40:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 01:40:04,411 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 01:40:04,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:04,440 INFO L225 Difference]: With dead ends: 16593 [2021-11-13 01:40:04,441 INFO L226 Difference]: Without dead ends: 16593 [2021-11-13 01:40:04,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=381, Invalid=879, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:40:04,441 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 858 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 4484 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3540.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.68ms SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 4484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4162.21ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:04,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 647 Invalid, 4631 Unknown, 0 Unchecked, 16.68ms Time], IncrementalHoareTripleChecker [147 Valid, 4484 Invalid, 0 Unknown, 0 Unchecked, 4162.21ms Time] [2021-11-13 01:40:04,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16593 states. [2021-11-13 01:40:04,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16593 to 5583. [2021-11-13 01:40:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 states have internal predecessors, (11133), 0 states have call successors, (0), 0 states 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 01:40:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-13 01:40:04,583 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-13 01:40:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:04,584 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-13 01:40:04,584 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 01:40:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-13 01:40:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:04,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:04,585 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 01:40:04,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-13 01:40:04,585 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash -227935816, now seen corresponding path program 21 times [2021-11-13 01:40:04,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:04,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711716556] [2021-11-13 01:40:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:04,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:05,165 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 01:40:05,165 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:05,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711716556] [2021-11-13 01:40:05,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711716556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:05,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:05,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:05,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197454569] [2021-11-13 01:40:05,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:05,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:05,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:05,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:05,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:05,167 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:08,155 INFO L93 Difference]: Finished difference Result 10402 states and 20691 transitions. [2021-11-13 01:40:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:40:08,155 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:08,172 INFO L225 Difference]: With dead ends: 10402 [2021-11-13 01:40:08,172 INFO L226 Difference]: Without dead ends: 10402 [2021-11-13 01:40:08,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=255, Invalid=615, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:40:08,173 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 770 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2443 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2140.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.14ms SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 2443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2474.68ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:08,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [770 Valid, 228 Invalid, 2602 Unknown, 0 Unchecked, 10.14ms Time], IncrementalHoareTripleChecker [159 Valid, 2443 Invalid, 0 Unknown, 0 Unchecked, 2474.68ms Time] [2021-11-13 01:40:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10402 states. [2021-11-13 01:40:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10402 to 5607. [2021-11-13 01:40:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5607 states, 5533 states have (on average 2.020784384601482) internal successors, (11181), 5606 states have internal predecessors, (11181), 0 states have call successors, (0), 0 states 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 01:40:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5607 states to 5607 states and 11181 transitions. [2021-11-13 01:40:08,285 INFO L78 Accepts]: Start accepts. Automaton has 5607 states and 11181 transitions. Word has length 24 [2021-11-13 01:40:08,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:08,285 INFO L470 AbstractCegarLoop]: Abstraction has 5607 states and 11181 transitions. [2021-11-13 01:40:08,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 5607 states and 11181 transitions. [2021-11-13 01:40:08,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:08,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:08,287 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 01:40:08,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-13 01:40:08,287 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:08,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:08,288 INFO L85 PathProgramCache]: Analyzing trace with hash 652816588, now seen corresponding path program 22 times [2021-11-13 01:40:08,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:08,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984989037] [2021-11-13 01:40:08,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:08,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:08,932 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 01:40:08,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:08,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984989037] [2021-11-13 01:40:08,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984989037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:08,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:08,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:08,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802351314] [2021-11-13 01:40:08,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:08,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:08,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:08,934 INFO L87 Difference]: Start difference. First operand 5607 states and 11181 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:12,054 INFO L93 Difference]: Finished difference Result 10426 states and 20739 transitions. [2021-11-13 01:40:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:40:12,054 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:12,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:12,070 INFO L225 Difference]: With dead ends: 10426 [2021-11-13 01:40:12,071 INFO L226 Difference]: Without dead ends: 10426 [2021-11-13 01:40:12,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=371, Invalid=819, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:40:12,071 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 849 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2036.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.48ms SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2352.02ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:12,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [849 Valid, 212 Invalid, 2180 Unknown, 0 Unchecked, 9.48ms Time], IncrementalHoareTripleChecker [155 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 2352.02ms Time] [2021-11-13 01:40:12,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10426 states. [2021-11-13 01:40:12,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10426 to 5595. [2021-11-13 01:40:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5521 states have (on average 2.0208295598623436) internal successors, (11157), 5594 states have internal predecessors, (11157), 0 states have call successors, (0), 0 states 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 01:40:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 11157 transitions. [2021-11-13 01:40:12,180 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 11157 transitions. Word has length 24 [2021-11-13 01:40:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:12,180 INFO L470 AbstractCegarLoop]: Abstraction has 5595 states and 11157 transitions. [2021-11-13 01:40:12,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 11157 transitions. [2021-11-13 01:40:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:12,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:12,182 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 01:40:12,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-13 01:40:12,182 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:12,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:12,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1736803626, now seen corresponding path program 23 times [2021-11-13 01:40:12,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:12,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363072061] [2021-11-13 01:40:12,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:12,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:40:12,586 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:12,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363072061] [2021-11-13 01:40:12,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363072061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:12,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:12,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:12,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782570503] [2021-11-13 01:40:12,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:12,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:12,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:12,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:12,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:12,588 INFO L87 Difference]: Start difference. First operand 5595 states and 11157 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:16,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:16,907 INFO L93 Difference]: Finished difference Result 10416 states and 20719 transitions. [2021-11-13 01:40:16,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:40:16,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:16,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:16,923 INFO L225 Difference]: With dead ends: 10416 [2021-11-13 01:40:16,923 INFO L226 Difference]: Without dead ends: 10416 [2021-11-13 01:40:16,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=419, Invalid=913, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:40:16,924 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 791 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 3513 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3042.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.65ms SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3515.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:16,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [791 Valid, 252 Invalid, 3652 Unknown, 0 Unchecked, 12.65ms Time], IncrementalHoareTripleChecker [139 Valid, 3513 Invalid, 0 Unknown, 0 Unchecked, 3515.98ms Time] [2021-11-13 01:40:16,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10416 states. [2021-11-13 01:40:17,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10416 to 5596. [2021-11-13 01:40:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5522 states have (on average 2.0208257877580587) internal successors, (11159), 5595 states have internal predecessors, (11159), 0 states have call successors, (0), 0 states 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 01:40:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 11159 transitions. [2021-11-13 01:40:17,033 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 11159 transitions. Word has length 24 [2021-11-13 01:40:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:17,034 INFO L470 AbstractCegarLoop]: Abstraction has 5596 states and 11159 transitions. [2021-11-13 01:40:17,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 11159 transitions. [2021-11-13 01:40:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:17,035 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:17,035 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 01:40:17,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-13 01:40:17,036 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:17,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:17,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2096976816, now seen corresponding path program 24 times [2021-11-13 01:40:17,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:17,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25743737] [2021-11-13 01:40:17,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:17,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:17,513 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 01:40:17,514 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:17,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25743737] [2021-11-13 01:40:17,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25743737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:17,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:17,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:17,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93509822] [2021-11-13 01:40:17,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:17,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:17,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:17,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:17,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:17,515 INFO L87 Difference]: Start difference. First operand 5596 states and 11159 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:21,096 INFO L93 Difference]: Finished difference Result 10420 states and 20727 transitions. [2021-11-13 01:40:21,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:40:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:21,114 INFO L225 Difference]: With dead ends: 10420 [2021-11-13 01:40:21,114 INFO L226 Difference]: Without dead ends: 10420 [2021-11-13 01:40:21,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=455, Invalid=1027, Unknown=0, NotChecked=0, Total=1482 [2021-11-13 01:40:21,115 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 848 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2200.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.34ms SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2564.19ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:21,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [848 Valid, 228 Invalid, 2715 Unknown, 0 Unchecked, 10.34ms Time], IncrementalHoareTripleChecker [160 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 2564.19ms Time] [2021-11-13 01:40:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10420 states. [2021-11-13 01:40:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10420 to 5583. [2021-11-13 01:40:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 states have internal predecessors, (11133), 0 states have call successors, (0), 0 states 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 01:40:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-13 01:40:21,224 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-13 01:40:21,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:21,224 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-13 01:40:21,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-13 01:40:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:21,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:21,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:40:21,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-13 01:40:21,226 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:21,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:21,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1980379588, now seen corresponding path program 25 times [2021-11-13 01:40:21,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:21,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932128066] [2021-11-13 01:40:21,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:21,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:40:21,826 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:21,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932128066] [2021-11-13 01:40:21,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932128066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:21,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:21,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:21,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092326392] [2021-11-13 01:40:21,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:21,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:21,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:21,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:21,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:21,828 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:24,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:24,544 INFO L93 Difference]: Finished difference Result 10432 states and 20751 transitions. [2021-11-13 01:40:24,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:40:24,545 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:24,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:24,563 INFO L225 Difference]: With dead ends: 10432 [2021-11-13 01:40:24,564 INFO L226 Difference]: Without dead ends: 10432 [2021-11-13 01:40:24,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:40:24,564 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 741 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1888.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.51ms SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2168.79ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:24,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [741 Valid, 218 Invalid, 2143 Unknown, 0 Unchecked, 8.51ms Time], IncrementalHoareTripleChecker [129 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 2168.79ms Time] [2021-11-13 01:40:24,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10432 states. [2021-11-13 01:40:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10432 to 5619. [2021-11-13 01:40:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5619 states, 5545 states have (on average 2.0207394048692517) internal successors, (11205), 5618 states have internal predecessors, (11205), 0 states have call successors, (0), 0 states 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 01:40:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 11205 transitions. [2021-11-13 01:40:24,675 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 11205 transitions. Word has length 24 [2021-11-13 01:40:24,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:24,675 INFO L470 AbstractCegarLoop]: Abstraction has 5619 states and 11205 transitions. [2021-11-13 01:40:24,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 11205 transitions. [2021-11-13 01:40:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:24,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:24,677 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 01:40:24,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-13 01:40:24,677 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:24,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:24,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1433835304, now seen corresponding path program 26 times [2021-11-13 01:40:24,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:24,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952688705] [2021-11-13 01:40:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:24,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:25,094 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 01:40:25,094 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:25,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952688705] [2021-11-13 01:40:25,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952688705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:25,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:25,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:25,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737236289] [2021-11-13 01:40:25,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:25,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:25,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:25,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:25,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:25,096 INFO L87 Difference]: Start difference. First operand 5619 states and 11205 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:28,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:28,102 INFO L93 Difference]: Finished difference Result 10448 states and 20783 transitions. [2021-11-13 01:40:28,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:40:28,103 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:28,118 INFO L225 Difference]: With dead ends: 10448 [2021-11-13 01:40:28,119 INFO L226 Difference]: Without dead ends: 10448 [2021-11-13 01:40:28,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=299, Invalid=693, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:40:28,119 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 797 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 2523 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2114.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.49ms SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2442.02ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:28,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [797 Valid, 231 Invalid, 2675 Unknown, 0 Unchecked, 9.49ms Time], IncrementalHoareTripleChecker [152 Valid, 2523 Invalid, 0 Unknown, 0 Unchecked, 2442.02ms Time] [2021-11-13 01:40:28,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10448 states. [2021-11-13 01:40:28,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10448 to 5607. [2021-11-13 01:40:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5607 states, 5533 states have (on average 2.020784384601482) internal successors, (11181), 5606 states have internal predecessors, (11181), 0 states have call successors, (0), 0 states 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 01:40:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5607 states to 5607 states and 11181 transitions. [2021-11-13 01:40:28,227 INFO L78 Accepts]: Start accepts. Automaton has 5607 states and 11181 transitions. Word has length 24 [2021-11-13 01:40:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:28,228 INFO L470 AbstractCegarLoop]: Abstraction has 5607 states and 11181 transitions. [2021-11-13 01:40:28,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5607 states and 11181 transitions. [2021-11-13 01:40:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:28,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:28,229 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 01:40:28,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-13 01:40:28,230 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:28,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:28,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1041002936, now seen corresponding path program 27 times [2021-11-13 01:40:28,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:28,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177243136] [2021-11-13 01:40:28,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:28,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:28,642 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 01:40:28,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:28,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177243136] [2021-11-13 01:40:28,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177243136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:28,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:28,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:28,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820175085] [2021-11-13 01:40:28,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:28,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:28,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:28,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:28,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:28,644 INFO L87 Difference]: Start difference. First operand 5607 states and 11181 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:32,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:32,222 INFO L93 Difference]: Finished difference Result 10450 states and 20787 transitions. [2021-11-13 01:40:32,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 01:40:32,222 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:32,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:32,238 INFO L225 Difference]: With dead ends: 10450 [2021-11-13 01:40:32,238 INFO L226 Difference]: Without dead ends: 10450 [2021-11-13 01:40:32,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=428, Invalid=978, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 01:40:32,239 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 828 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2311.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.63ms SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2681.21ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:32,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [828 Valid, 228 Invalid, 2779 Unknown, 0 Unchecked, 10.63ms Time], IncrementalHoareTripleChecker [158 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 2681.21ms Time] [2021-11-13 01:40:32,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2021-11-13 01:40:32,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 5608. [2021-11-13 01:40:32,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5608 states, 5534 states have (on average 2.0207806288398986) internal successors, (11183), 5607 states have internal predecessors, (11183), 0 states have call successors, (0), 0 states 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 01:40:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5608 states to 5608 states and 11183 transitions. [2021-11-13 01:40:32,352 INFO L78 Accepts]: Start accepts. Automaton has 5608 states and 11183 transitions. Word has length 24 [2021-11-13 01:40:32,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:32,352 INFO L470 AbstractCegarLoop]: Abstraction has 5608 states and 11183 transitions. [2021-11-13 01:40:32,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 5608 states and 11183 transitions. [2021-11-13 01:40:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:32,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:32,354 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 01:40:32,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-13 01:40:32,354 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:32,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:32,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1401176126, now seen corresponding path program 28 times [2021-11-13 01:40:32,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:32,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391457593] [2021-11-13 01:40:32,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:32,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:32,751 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 01:40:32,751 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:32,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391457593] [2021-11-13 01:40:32,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391457593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:32,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:32,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:32,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901739718] [2021-11-13 01:40:32,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:32,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:32,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:32,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:32,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:32,753 INFO L87 Difference]: Start difference. First operand 5608 states and 11183 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:37,115 INFO L93 Difference]: Finished difference Result 10458 states and 20803 transitions. [2021-11-13 01:40:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-13 01:40:37,116 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:37,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:37,133 INFO L225 Difference]: With dead ends: 10458 [2021-11-13 01:40:37,133 INFO L226 Difference]: Without dead ends: 10458 [2021-11-13 01:40:37,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=464, Invalid=1096, Unknown=0, NotChecked=0, Total=1560 [2021-11-13 01:40:37,134 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 829 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2823.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 3477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.52ms SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3273.43ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:37,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [829 Valid, 244 Invalid, 3477 Unknown, 0 Unchecked, 12.52ms Time], IncrementalHoareTripleChecker [156 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 3273.43ms Time] [2021-11-13 01:40:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10458 states. [2021-11-13 01:40:37,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10458 to 5583. [2021-11-13 01:40:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 states have internal predecessors, (11133), 0 states have call successors, (0), 0 states 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 01:40:37,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-13 01:40:37,242 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-13 01:40:37,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:37,242 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-13 01:40:37,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-13 01:40:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:37,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:37,243 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 01:40:37,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-13 01:40:37,244 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1895934672, now seen corresponding path program 29 times [2021-11-13 01:40:37,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:37,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303707414] [2021-11-13 01:40:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:37,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:37,706 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 01:40:37,706 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:37,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303707414] [2021-11-13 01:40:37,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303707414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:37,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:37,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:37,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260793874] [2021-11-13 01:40:37,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:37,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:37,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:37,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:37,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:37,708 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:41,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:41,741 INFO L93 Difference]: Finished difference Result 5905 states and 11768 transitions. [2021-11-13 01:40:41,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:40:41,742 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:41,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:41,750 INFO L225 Difference]: With dead ends: 5905 [2021-11-13 01:40:41,750 INFO L226 Difference]: Without dead ends: 5905 [2021-11-13 01:40:41,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=473, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:40:41,751 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 414 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 3450 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3170.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 3523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.83ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3628.31ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:41,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 172 Invalid, 3523 Unknown, 0 Unchecked, 11.83ms Time], IncrementalHoareTripleChecker [73 Valid, 3450 Invalid, 0 Unknown, 0 Unchecked, 3628.31ms Time] [2021-11-13 01:40:41,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5905 states. [2021-11-13 01:40:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5905 to 5596. [2021-11-13 01:40:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5522 states have (on average 2.0208257877580587) internal successors, (11159), 5595 states have internal predecessors, (11159), 0 states have call successors, (0), 0 states 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 01:40:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 11159 transitions. [2021-11-13 01:40:41,834 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 11159 transitions. Word has length 24 [2021-11-13 01:40:41,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:41,834 INFO L470 AbstractCegarLoop]: Abstraction has 5596 states and 11159 transitions. [2021-11-13 01:40:41,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 11159 transitions. [2021-11-13 01:40:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:41,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:41,836 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 01:40:41,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-13 01:40:41,836 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:41,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:41,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1015182268, now seen corresponding path program 30 times [2021-11-13 01:40:41,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:41,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407614495] [2021-11-13 01:40:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:41,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:40:42,299 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:42,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407614495] [2021-11-13 01:40:42,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407614495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:42,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:42,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:40:42,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047748978] [2021-11-13 01:40:42,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:42,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:42,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:42,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:42,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:42,301 INFO L87 Difference]: Start difference. First operand 5596 states and 11159 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:45,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:45,592 INFO L93 Difference]: Finished difference Result 5923 states and 11804 transitions. [2021-11-13 01:40:45,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:40:45,593 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:40:45,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:45,601 INFO L225 Difference]: With dead ends: 5923 [2021-11-13 01:40:45,601 INFO L226 Difference]: Without dead ends: 5923 [2021-11-13 01:40:45,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=315, Invalid=615, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:40:45,602 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 445 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2402.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.90ms SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2762.63ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:45,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [445 Valid, 155 Invalid, 2738 Unknown, 0 Unchecked, 9.90ms Time], IncrementalHoareTripleChecker [116 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 2762.63ms Time] [2021-11-13 01:40:45,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2021-11-13 01:40:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 5583. [2021-11-13 01:40:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5509 states have (on average 2.0208749319295696) internal successors, (11133), 5582 states have internal predecessors, (11133), 0 states have call successors, (0), 0 states 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 01:40:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 11133 transitions. [2021-11-13 01:40:45,692 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 11133 transitions. Word has length 24 [2021-11-13 01:40:45,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:45,692 INFO L470 AbstractCegarLoop]: Abstraction has 5583 states and 11133 transitions. [2021-11-13 01:40:45,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:40:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11133 transitions. [2021-11-13 01:40:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:45,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:45,694 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 01:40:45,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-13 01:40:45,694 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:45,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:45,694 INFO L85 PathProgramCache]: Analyzing trace with hash 753015534, now seen corresponding path program 22 times [2021-11-13 01:40:45,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:45,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645346072] [2021-11-13 01:40:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:45,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:45,933 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 01:40:45,933 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:45,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645346072] [2021-11-13 01:40:45,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645346072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:45,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:45,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:40:45,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35499937] [2021-11-13 01:40:45,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:45,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:40:45,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:45,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:40:45,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:40:45,935 INFO L87 Difference]: Start difference. First operand 5583 states and 11133 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 01:40:48,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:48,501 INFO L93 Difference]: Finished difference Result 16407 states and 32585 transitions. [2021-11-13 01:40:48,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:40:48,501 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 01:40:48,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:48,530 INFO L225 Difference]: With dead ends: 16407 [2021-11-13 01:40:48,530 INFO L226 Difference]: Without dead ends: 16407 [2021-11-13 01:40:48,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:40:48,531 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 791 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1910.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.34ms SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2240.57ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:48,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [791 Valid, 651 Invalid, 2276 Unknown, 0 Unchecked, 10.34ms Time], IncrementalHoareTripleChecker [51 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 2240.57ms Time] [2021-11-13 01:40:48,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16407 states. [2021-11-13 01:40:48,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16407 to 5625. [2021-11-13 01:40:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5625 states, 5551 states have (on average 2.020716987930103) internal successors, (11217), 5624 states have internal predecessors, (11217), 0 states have call successors, (0), 0 states 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 01:40:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5625 states to 5625 states and 11217 transitions. [2021-11-13 01:40:48,744 INFO L78 Accepts]: Start accepts. Automaton has 5625 states and 11217 transitions. Word has length 24 [2021-11-13 01:40:48,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:48,744 INFO L470 AbstractCegarLoop]: Abstraction has 5625 states and 11217 transitions. [2021-11-13 01:40:48,745 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 01:40:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5625 states and 11217 transitions. [2021-11-13 01:40:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:48,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:48,746 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 01:40:48,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-11-13 01:40:48,747 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:48,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash -924570253, now seen corresponding path program 4 times [2021-11-13 01:40:48,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:48,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12488157] [2021-11-13 01:40:48,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:48,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:48,906 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 01:40:48,906 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:48,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12488157] [2021-11-13 01:40:48,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12488157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:48,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:48,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:40:48,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585099470] [2021-11-13 01:40:48,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:48,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:40:48,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:48,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:40:48,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:40:48,908 INFO L87 Difference]: Start difference. First operand 5625 states and 11217 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 01:40:52,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:52,274 INFO L93 Difference]: Finished difference Result 16670 states and 33095 transitions. [2021-11-13 01:40:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:40:52,275 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 01:40:52,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:52,304 INFO L225 Difference]: With dead ends: 16670 [2021-11-13 01:40:52,304 INFO L226 Difference]: Without dead ends: 16670 [2021-11-13 01:40:52,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=313, Invalid=679, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:40:52,304 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 823 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2402.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.14ms SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2855.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:52,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [823 Valid, 616 Invalid, 3102 Unknown, 0 Unchecked, 12.14ms Time], IncrementalHoareTripleChecker [154 Valid, 2948 Invalid, 0 Unknown, 0 Unchecked, 2855.27ms Time] [2021-11-13 01:40:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16670 states. [2021-11-13 01:40:52,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16670 to 5560. [2021-11-13 01:40:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5560 states, 5486 states have (on average 2.020415603353992) internal successors, (11084), 5559 states have internal predecessors, (11084), 0 states have call successors, (0), 0 states 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 01:40:52,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 11084 transitions. [2021-11-13 01:40:52,496 INFO L78 Accepts]: Start accepts. Automaton has 5560 states and 11084 transitions. Word has length 24 [2021-11-13 01:40:52,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:52,496 INFO L470 AbstractCegarLoop]: Abstraction has 5560 states and 11084 transitions. [2021-11-13 01:40:52,496 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 01:40:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5560 states and 11084 transitions. [2021-11-13 01:40:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:52,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:52,497 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 01:40:52,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-11-13 01:40:52,498 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:52,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:52,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1570577242, now seen corresponding path program 23 times [2021-11-13 01:40:52,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:52,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307172345] [2021-11-13 01:40:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:52,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:52,707 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 01:40:52,707 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:52,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307172345] [2021-11-13 01:40:52,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307172345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:52,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:52,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:40:52,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745350618] [2021-11-13 01:40:52,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:52,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:40:52,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:52,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:40:52,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:40:52,708 INFO L87 Difference]: Start difference. First operand 5560 states and 11084 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 01:40:56,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:56,146 INFO L93 Difference]: Finished difference Result 9344 states and 18590 transitions. [2021-11-13 01:40:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:40:56,146 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 01:40:56,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:56,161 INFO L225 Difference]: With dead ends: 9344 [2021-11-13 01:40:56,161 INFO L226 Difference]: Without dead ends: 9344 [2021-11-13 01:40:56,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:40:56,162 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 601 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 3017 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2734.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 3043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.36ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3160.09ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:56,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [601 Valid, 548 Invalid, 3043 Unknown, 0 Unchecked, 12.36ms Time], IncrementalHoareTripleChecker [26 Valid, 3017 Invalid, 0 Unknown, 0 Unchecked, 3160.09ms Time] [2021-11-13 01:40:56,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9344 states. [2021-11-13 01:40:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9344 to 5565. [2021-11-13 01:40:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5565 states, 5491 states have (on average 2.020397013294482) internal successors, (11094), 5564 states have internal predecessors, (11094), 0 states have call successors, (0), 0 states 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 01:40:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5565 states to 5565 states and 11094 transitions. [2021-11-13 01:40:56,266 INFO L78 Accepts]: Start accepts. Automaton has 5565 states and 11094 transitions. Word has length 24 [2021-11-13 01:40:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:56,266 INFO L470 AbstractCegarLoop]: Abstraction has 5565 states and 11094 transitions. [2021-11-13 01:40:56,266 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 01:40:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 5565 states and 11094 transitions. [2021-11-13 01:40:56,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:40:56,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:56,268 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 01:40:56,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-13 01:40:56,268 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:40:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:56,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1564897732, now seen corresponding path program 24 times [2021-11-13 01:40:56,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:40:56,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049377721] [2021-11-13 01:40:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:56,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:40:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:56,507 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 01:40:56,507 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:56,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049377721] [2021-11-13 01:40:56,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049377721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:56,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:56,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:40:56,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919523525] [2021-11-13 01:40:56,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:56,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:40:56,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:40:56,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:40:56,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:40:56,509 INFO L87 Difference]: Start difference. First operand 5565 states and 11094 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 01:41:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:00,078 INFO L93 Difference]: Finished difference Result 9368 states and 18638 transitions. [2021-11-13 01:41:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:41:00,079 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 01:41:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:00,094 INFO L225 Difference]: With dead ends: 9368 [2021-11-13 01:41:00,094 INFO L226 Difference]: Without dead ends: 9368 [2021-11-13 01:41:00,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:41:00,095 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 577 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2821.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 3120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.49ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3256.32ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:00,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 557 Invalid, 3120 Unknown, 0 Unchecked, 12.49ms Time], IncrementalHoareTripleChecker [33 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 3256.32ms Time] [2021-11-13 01:41:00,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9368 states. [2021-11-13 01:41:00,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9368 to 5573. [2021-11-13 01:41:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5573 states, 5499 states have (on average 2.020367339516276) internal successors, (11110), 5572 states have internal predecessors, (11110), 0 states have call successors, (0), 0 states 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 01:41:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 11110 transitions. [2021-11-13 01:41:00,201 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 11110 transitions. Word has length 24 [2021-11-13 01:41:00,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:00,201 INFO L470 AbstractCegarLoop]: Abstraction has 5573 states and 11110 transitions. [2021-11-13 01:41:00,201 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 01:41:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 11110 transitions. [2021-11-13 01:41:00,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:00,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:00,203 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 01:41:00,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-11-13 01:41:00,204 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:00,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:00,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1387939192, now seen corresponding path program 25 times [2021-11-13 01:41:00,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:00,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955672414] [2021-11-13 01:41:00,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:00,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:00,449 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 01:41:00,449 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:00,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955672414] [2021-11-13 01:41:00,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955672414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:00,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:00,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:41:00,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973724481] [2021-11-13 01:41:00,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:00,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:41:00,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:00,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:41:00,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:41:00,451 INFO L87 Difference]: Start difference. First operand 5573 states and 11110 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 01:41:03,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:03,622 INFO L93 Difference]: Finished difference Result 9392 states and 18686 transitions. [2021-11-13 01:41:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:41:03,623 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 01:41:03,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:03,638 INFO L225 Difference]: With dead ends: 9392 [2021-11-13 01:41:03,638 INFO L226 Difference]: Without dead ends: 9392 [2021-11-13 01:41:03,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:41:03,639 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 530 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 2830 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2474.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.06ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2857.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:03,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [530 Valid, 548 Invalid, 2872 Unknown, 0 Unchecked, 11.06ms Time], IncrementalHoareTripleChecker [42 Valid, 2830 Invalid, 0 Unknown, 0 Unchecked, 2857.06ms Time] [2021-11-13 01:41:03,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9392 states. [2021-11-13 01:41:03,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9392 to 5581. [2021-11-13 01:41:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5581 states, 5507 states have (on average 2.020337751952061) internal successors, (11126), 5580 states have internal predecessors, (11126), 0 states have call successors, (0), 0 states 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 01:41:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 11126 transitions. [2021-11-13 01:41:03,744 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 11126 transitions. Word has length 24 [2021-11-13 01:41:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:03,744 INFO L470 AbstractCegarLoop]: Abstraction has 5581 states and 11126 transitions. [2021-11-13 01:41:03,744 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 01:41:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 11126 transitions. [2021-11-13 01:41:03,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:03,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:03,746 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 01:41:03,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-13 01:41:03,746 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:03,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash -169486118, now seen corresponding path program 26 times [2021-11-13 01:41:03,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:03,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772020693] [2021-11-13 01:41:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:03,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:03,955 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 01:41:03,955 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:03,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772020693] [2021-11-13 01:41:03,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772020693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:03,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:03,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:41:03,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525223465] [2021-11-13 01:41:03,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:03,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:41:03,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:03,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:41:03,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:41:03,957 INFO L87 Difference]: Start difference. First operand 5581 states and 11126 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 01:41:07,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:07,099 INFO L93 Difference]: Finished difference Result 9416 states and 18734 transitions. [2021-11-13 01:41:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:41:07,100 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 01:41:07,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:07,114 INFO L225 Difference]: With dead ends: 9416 [2021-11-13 01:41:07,114 INFO L226 Difference]: Without dead ends: 9416 [2021-11-13 01:41:07,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:41:07,115 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 509 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 3094 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2451.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 3138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.31ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2828.39ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:07,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 557 Invalid, 3138 Unknown, 0 Unchecked, 11.31ms Time], IncrementalHoareTripleChecker [44 Valid, 3094 Invalid, 0 Unknown, 0 Unchecked, 2828.39ms Time] [2021-11-13 01:41:07,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9416 states. [2021-11-13 01:41:07,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9416 to 5589. [2021-11-13 01:41:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5589 states, 5515 states have (on average 2.0203082502266545) internal successors, (11142), 5588 states have internal predecessors, (11142), 0 states have call successors, (0), 0 states 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 01:41:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5589 states to 5589 states and 11142 transitions. [2021-11-13 01:41:07,213 INFO L78 Accepts]: Start accepts. Automaton has 5589 states and 11142 transitions. Word has length 24 [2021-11-13 01:41:07,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:07,213 INFO L470 AbstractCegarLoop]: Abstraction has 5589 states and 11142 transitions. [2021-11-13 01:41:07,214 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 01:41:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 5589 states and 11142 transitions. [2021-11-13 01:41:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:07,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:07,215 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 01:41:07,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-11-13 01:41:07,215 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:07,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:07,215 INFO L85 PathProgramCache]: Analyzing trace with hash -176027224, now seen corresponding path program 27 times [2021-11-13 01:41:07,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:07,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789655571] [2021-11-13 01:41:07,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:07,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:07,409 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 01:41:07,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:07,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789655571] [2021-11-13 01:41:07,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789655571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:07,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:07,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:41:07,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270538380] [2021-11-13 01:41:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:07,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:41:07,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:07,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:41:07,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:41:07,411 INFO L87 Difference]: Start difference. First operand 5589 states and 11142 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 01:41:10,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:10,381 INFO L93 Difference]: Finished difference Result 12983 states and 25815 transitions. [2021-11-13 01:41:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:41:10,381 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 01:41:10,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:10,402 INFO L225 Difference]: With dead ends: 12983 [2021-11-13 01:41:10,402 INFO L226 Difference]: Without dead ends: 12983 [2021-11-13 01:41:10,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:41:10,403 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 676 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 2771 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2279.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 2816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.88ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2690.16ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:10,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 712 Invalid, 2816 Unknown, 0 Unchecked, 12.88ms Time], IncrementalHoareTripleChecker [45 Valid, 2771 Invalid, 0 Unknown, 0 Unchecked, 2690.16ms Time] [2021-11-13 01:41:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12983 states. [2021-11-13 01:41:10,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12983 to 5592. [2021-11-13 01:41:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5592 states, 5518 states have (on average 2.0202972091337443) internal successors, (11148), 5591 states have internal predecessors, (11148), 0 states have call successors, (0), 0 states 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 01:41:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5592 states and 11148 transitions. [2021-11-13 01:41:10,523 INFO L78 Accepts]: Start accepts. Automaton has 5592 states and 11148 transitions. Word has length 24 [2021-11-13 01:41:10,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:10,523 INFO L470 AbstractCegarLoop]: Abstraction has 5592 states and 11148 transitions. [2021-11-13 01:41:10,523 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 01:41:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5592 states and 11148 transitions. [2021-11-13 01:41:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:10,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:10,525 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 01:41:10,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-11-13 01:41:10,525 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:10,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:10,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1853613011, now seen corresponding path program 5 times [2021-11-13 01:41:10,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:10,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508352463] [2021-11-13 01:41:10,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:10,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:10,670 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 01:41:10,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:10,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508352463] [2021-11-13 01:41:10,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508352463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:10,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:10,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:41:10,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828763749] [2021-11-13 01:41:10,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:10,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:41:10,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:10,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:41:10,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:41:10,672 INFO L87 Difference]: Start difference. First operand 5592 states and 11148 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 01:41:15,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:15,396 INFO L93 Difference]: Finished difference Result 13219 states and 26273 transitions. [2021-11-13 01:41:15,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:41:15,397 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 01:41:15,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:15,420 INFO L225 Difference]: With dead ends: 13219 [2021-11-13 01:41:15,420 INFO L226 Difference]: Without dead ends: 13219 [2021-11-13 01:41:15,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=679, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:41:15,421 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 694 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 4617 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3537.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 4723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.15ms SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 4617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4137.39ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:15,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 691 Invalid, 4723 Unknown, 0 Unchecked, 18.15ms Time], IncrementalHoareTripleChecker [106 Valid, 4617 Invalid, 0 Unknown, 0 Unchecked, 4137.39ms Time] [2021-11-13 01:41:15,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13219 states. [2021-11-13 01:41:15,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13219 to 5539. [2021-11-13 01:41:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5539 states, 5465 states have (on average 2.020494053064959) internal successors, (11042), 5538 states have internal predecessors, (11042), 0 states have call successors, (0), 0 states 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 01:41:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5539 states to 5539 states and 11042 transitions. [2021-11-13 01:41:15,546 INFO L78 Accepts]: Start accepts. Automaton has 5539 states and 11042 transitions. Word has length 24 [2021-11-13 01:41:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:15,546 INFO L470 AbstractCegarLoop]: Abstraction has 5539 states and 11042 transitions. [2021-11-13 01:41:15,547 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 01:41:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5539 states and 11042 transitions. [2021-11-13 01:41:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:15,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:15,548 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 01:41:15,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-11-13 01:41:15,548 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:15,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:15,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1827587344, now seen corresponding path program 28 times [2021-11-13 01:41:15,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:15,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134607108] [2021-11-13 01:41:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:15,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:15,793 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 01:41:15,794 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:15,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134607108] [2021-11-13 01:41:15,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134607108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:15,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:15,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:41:15,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782219133] [2021-11-13 01:41:15,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:15,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:41:15,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:15,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:41:15,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:41:15,796 INFO L87 Difference]: Start difference. First operand 5539 states and 11042 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 01:41:18,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:18,180 INFO L93 Difference]: Finished difference Result 9014 states and 17914 transitions. [2021-11-13 01:41:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:41:18,180 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 01:41:18,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:18,194 INFO L225 Difference]: With dead ends: 9014 [2021-11-13 01:41:18,194 INFO L226 Difference]: Without dead ends: 9014 [2021-11-13 01:41:18,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2021-11-13 01:41:18,195 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 701 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1852.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.06ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2144.29ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:18,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [701 Valid, 607 Invalid, 2112 Unknown, 0 Unchecked, 10.06ms Time], IncrementalHoareTripleChecker [54 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 2144.29ms Time] [2021-11-13 01:41:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9014 states. [2021-11-13 01:41:18,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9014 to 5469. [2021-11-13 01:41:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5469 states, 5396 states have (on average 2.0185322461082285) internal successors, (10892), 5468 states have internal predecessors, (10892), 0 states have call successors, (0), 0 states 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 01:41:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5469 states to 5469 states and 10892 transitions. [2021-11-13 01:41:18,330 INFO L78 Accepts]: Start accepts. Automaton has 5469 states and 10892 transitions. Word has length 24 [2021-11-13 01:41:18,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:18,330 INFO L470 AbstractCegarLoop]: Abstraction has 5469 states and 10892 transitions. [2021-11-13 01:41:18,330 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 01:41:18,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5469 states and 10892 transitions. [2021-11-13 01:41:18,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:18,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:18,331 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 01:41:18,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-11-13 01:41:18,332 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:18,332 INFO L85 PathProgramCache]: Analyzing trace with hash 789794165, now seen corresponding path program 6 times [2021-11-13 01:41:18,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:18,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702940279] [2021-11-13 01:41:18,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:18,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:18,517 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 01:41:18,517 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:18,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702940279] [2021-11-13 01:41:18,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702940279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:18,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:18,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 01:41:18,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143145044] [2021-11-13 01:41:18,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:18,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:41:18,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:18,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:41:18,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:41:18,519 INFO L87 Difference]: Start difference. First operand 5469 states and 10892 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 01:41:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:21,416 INFO L93 Difference]: Finished difference Result 9131 states and 18140 transitions. [2021-11-13 01:41:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:41:21,417 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 01:41:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:21,431 INFO L225 Difference]: With dead ends: 9131 [2021-11-13 01:41:21,431 INFO L226 Difference]: Without dead ends: 9131 [2021-11-13 01:41:21,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=247, Invalid=509, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:41:21,432 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 689 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2127.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 2689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.25ms SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2486.33ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:21,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 584 Invalid, 2689 Unknown, 0 Unchecked, 12.25ms Time], IncrementalHoareTripleChecker [132 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 2486.33ms Time] [2021-11-13 01:41:21,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9131 states. [2021-11-13 01:41:21,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9131 to 5206. [2021-11-13 01:41:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5206 states, 5134 states have (on average 2.0169458511881575) internal successors, (10355), 5205 states have internal predecessors, (10355), 0 states have call successors, (0), 0 states 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 01:41:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 5206 states and 10355 transitions. [2021-11-13 01:41:21,531 INFO L78 Accepts]: Start accepts. Automaton has 5206 states and 10355 transitions. Word has length 24 [2021-11-13 01:41:21,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:21,532 INFO L470 AbstractCegarLoop]: Abstraction has 5206 states and 10355 transitions. [2021-11-13 01:41:21,532 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 01:41:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5206 states and 10355 transitions. [2021-11-13 01:41:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:21,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:21,533 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 01:41:21,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-11-13 01:41:21,533 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:21,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:21,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2075641190, now seen corresponding path program 31 times [2021-11-13 01:41:21,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:21,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328788286] [2021-11-13 01:41:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:21,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:22,036 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 01:41:22,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:22,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328788286] [2021-11-13 01:41:22,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328788286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:22,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:22,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:22,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736498406] [2021-11-13 01:41:22,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:22,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:22,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:22,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:22,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:22,038 INFO L87 Difference]: Start difference. First operand 5206 states and 10355 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:25,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:25,121 INFO L93 Difference]: Finished difference Result 5571 states and 11076 transitions. [2021-11-13 01:41:25,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 01:41:25,122 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:25,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:25,130 INFO L225 Difference]: With dead ends: 5571 [2021-11-13 01:41:25,130 INFO L226 Difference]: Without dead ends: 5571 [2021-11-13 01:41:25,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:41:25,131 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 426 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2183.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.87ms SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2512.74ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:25,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 148 Invalid, 2413 Unknown, 0 Unchecked, 9.87ms Time], IncrementalHoareTripleChecker [105 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 2512.74ms Time] [2021-11-13 01:41:25,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2021-11-13 01:41:25,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5220. [2021-11-13 01:41:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 5148 states have (on average 2.016899766899767) internal successors, (10383), 5219 states have internal predecessors, (10383), 0 states have call successors, (0), 0 states 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 01:41:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 10383 transitions. [2021-11-13 01:41:25,212 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 10383 transitions. Word has length 24 [2021-11-13 01:41:25,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:25,212 INFO L470 AbstractCegarLoop]: Abstraction has 5220 states and 10383 transitions. [2021-11-13 01:41:25,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 10383 transitions. [2021-11-13 01:41:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:25,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:25,213 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 01:41:25,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-11-13 01:41:25,214 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:25,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1194888786, now seen corresponding path program 32 times [2021-11-13 01:41:25,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:25,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643533249] [2021-11-13 01:41:25,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:25,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:25,692 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 01:41:25,692 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:25,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643533249] [2021-11-13 01:41:25,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643533249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:25,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:25,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:25,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128652220] [2021-11-13 01:41:25,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:25,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:25,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:25,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:25,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:25,694 INFO L87 Difference]: Start difference. First operand 5220 states and 10383 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:29,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:29,722 INFO L93 Difference]: Finished difference Result 5572 states and 11078 transitions. [2021-11-13 01:41:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:41:29,722 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:29,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:29,730 INFO L225 Difference]: With dead ends: 5572 [2021-11-13 01:41:29,730 INFO L226 Difference]: Without dead ends: 5572 [2021-11-13 01:41:29,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=323, Invalid=669, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:41:29,731 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 422 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 3265 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2888.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 3362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.83ms SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3311.92ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:29,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 169 Invalid, 3362 Unknown, 0 Unchecked, 11.83ms Time], IncrementalHoareTripleChecker [97 Valid, 3265 Invalid, 0 Unknown, 0 Unchecked, 3311.92ms Time] [2021-11-13 01:41:29,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5572 states. [2021-11-13 01:41:29,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5572 to 5207. [2021-11-13 01:41:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5207 states, 5135 states have (on average 2.0169425511197665) internal successors, (10357), 5206 states have internal predecessors, (10357), 0 states have call successors, (0), 0 states 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 01:41:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 5207 states and 10357 transitions. [2021-11-13 01:41:29,811 INFO L78 Accepts]: Start accepts. Automaton has 5207 states and 10357 transitions. Word has length 24 [2021-11-13 01:41:29,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:29,811 INFO L470 AbstractCegarLoop]: Abstraction has 5207 states and 10357 transitions. [2021-11-13 01:41:29,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5207 states and 10357 transitions. [2021-11-13 01:41:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:29,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:29,813 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 01:41:29,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-11-13 01:41:29,813 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:29,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:29,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2096709480, now seen corresponding path program 33 times [2021-11-13 01:41:29,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:29,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893399492] [2021-11-13 01:41:29,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:29,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:30,408 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 01:41:30,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:30,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893399492] [2021-11-13 01:41:30,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893399492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:30,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:30,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:30,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140263580] [2021-11-13 01:41:30,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:30,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:30,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:30,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:30,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:30,411 INFO L87 Difference]: Start difference. First operand 5207 states and 10357 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:32,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:32,729 INFO L93 Difference]: Finished difference Result 5563 states and 11060 transitions. [2021-11-13 01:41:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:41:32,730 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:32,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:32,738 INFO L225 Difference]: With dead ends: 5563 [2021-11-13 01:41:32,738 INFO L226 Difference]: Without dead ends: 5563 [2021-11-13 01:41:32,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:41:32,741 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 451 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1679.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.93ms SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1925.22ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:32,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [451 Valid, 138 Invalid, 1889 Unknown, 0 Unchecked, 7.93ms Time], IncrementalHoareTripleChecker [153 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 1925.22ms Time] [2021-11-13 01:41:32,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5563 states. [2021-11-13 01:41:32,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5563 to 5231. [2021-11-13 01:41:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 5159 states have (on average 2.0168637332816437) internal successors, (10405), 5230 states have internal predecessors, (10405), 0 states have call successors, (0), 0 states 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 01:41:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 10405 transitions. [2021-11-13 01:41:32,821 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 10405 transitions. Word has length 24 [2021-11-13 01:41:32,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:32,821 INFO L470 AbstractCegarLoop]: Abstraction has 5231 states and 10405 transitions. [2021-11-13 01:41:32,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 10405 transitions. [2021-11-13 01:41:32,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:32,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:32,823 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 01:41:32,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-11-13 01:41:32,823 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:32,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:32,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1317505412, now seen corresponding path program 34 times [2021-11-13 01:41:32,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:32,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697865535] [2021-11-13 01:41:32,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:32,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:33,319 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 01:41:33,319 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:33,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697865535] [2021-11-13 01:41:33,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697865535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:33,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:33,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:33,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987155982] [2021-11-13 01:41:33,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:33,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:33,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:33,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:33,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:33,321 INFO L87 Difference]: Start difference. First operand 5231 states and 10405 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:36,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:36,833 INFO L93 Difference]: Finished difference Result 5587 states and 11108 transitions. [2021-11-13 01:41:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:41:36,833 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:36,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:36,841 INFO L225 Difference]: With dead ends: 5587 [2021-11-13 01:41:36,841 INFO L226 Difference]: Without dead ends: 5587 [2021-11-13 01:41:36,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=337, Invalid=719, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:41:36,842 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 430 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 2716 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2491.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.32ms SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2867.15ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:36,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 155 Invalid, 2836 Unknown, 0 Unchecked, 10.32ms Time], IncrementalHoareTripleChecker [120 Valid, 2716 Invalid, 0 Unknown, 0 Unchecked, 2867.15ms Time] [2021-11-13 01:41:36,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5587 states. [2021-11-13 01:41:36,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5587 to 5219. [2021-11-13 01:41:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5219 states, 5147 states have (on average 2.016903050320575) internal successors, (10381), 5218 states have internal predecessors, (10381), 0 states have call successors, (0), 0 states 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 01:41:36,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 10381 transitions. [2021-11-13 01:41:36,919 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 10381 transitions. Word has length 24 [2021-11-13 01:41:36,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:36,919 INFO L470 AbstractCegarLoop]: Abstraction has 5219 states and 10381 transitions. [2021-11-13 01:41:36,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 10381 transitions. [2021-11-13 01:41:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:36,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:36,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:41:36,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-11-13 01:41:36,921 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:36,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:36,921 INFO L85 PathProgramCache]: Analyzing trace with hash -233518374, now seen corresponding path program 35 times [2021-11-13 01:41:36,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:36,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061471059] [2021-11-13 01:41:36,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:36,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:37,307 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 01:41:37,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:37,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061471059] [2021-11-13 01:41:37,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061471059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:37,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:37,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:37,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501122000] [2021-11-13 01:41:37,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:37,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:37,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:37,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:37,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:37,310 INFO L87 Difference]: Start difference. First operand 5219 states and 10381 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:40,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:40,754 INFO L93 Difference]: Finished difference Result 5577 states and 11088 transitions. [2021-11-13 01:41:40,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:41:40,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:40,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:40,793 INFO L225 Difference]: With dead ends: 5577 [2021-11-13 01:41:40,793 INFO L226 Difference]: Without dead ends: 5577 [2021-11-13 01:41:40,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=381, Invalid=809, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:41:40,794 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 442 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2392.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.79ms SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2747.71ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:40,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [442 Valid, 149 Invalid, 2575 Unknown, 0 Unchecked, 9.79ms Time], IncrementalHoareTripleChecker [122 Valid, 2453 Invalid, 0 Unknown, 0 Unchecked, 2747.71ms Time] [2021-11-13 01:41:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5577 states. [2021-11-13 01:41:40,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5577 to 5220. [2021-11-13 01:41:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 5148 states have (on average 2.016899766899767) internal successors, (10383), 5219 states have internal predecessors, (10383), 0 states have call successors, (0), 0 states 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 01:41:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 10383 transitions. [2021-11-13 01:41:40,868 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 10383 transitions. Word has length 24 [2021-11-13 01:41:40,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:40,869 INFO L470 AbstractCegarLoop]: Abstraction has 5220 states and 10383 transitions. [2021-11-13 01:41:40,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:40,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 10383 transitions. [2021-11-13 01:41:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:40,870 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:40,871 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 01:41:40,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-11-13 01:41:40,871 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:40,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash 126654816, now seen corresponding path program 36 times [2021-11-13 01:41:40,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:40,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533105924] [2021-11-13 01:41:40,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:40,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:41,382 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 01:41:41,383 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:41,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533105924] [2021-11-13 01:41:41,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533105924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:41,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:41,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:41,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490101679] [2021-11-13 01:41:41,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:41,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:41,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:41,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:41,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:41,384 INFO L87 Difference]: Start difference. First operand 5220 states and 10383 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:45,074 INFO L93 Difference]: Finished difference Result 5581 states and 11096 transitions. [2021-11-13 01:41:45,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:41:45,074 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:45,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:45,082 INFO L225 Difference]: With dead ends: 5581 [2021-11-13 01:41:45,082 INFO L226 Difference]: Without dead ends: 5581 [2021-11-13 01:41:45,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=414, Invalid=918, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:41:45,083 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 449 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 2503 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2434.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.96ms SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2805.33ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:45,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 150 Invalid, 2622 Unknown, 0 Unchecked, 9.96ms Time], IncrementalHoareTripleChecker [119 Valid, 2503 Invalid, 0 Unknown, 0 Unchecked, 2805.33ms Time] [2021-11-13 01:41:45,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2021-11-13 01:41:45,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5206. [2021-11-13 01:41:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5206 states, 5134 states have (on average 2.0169458511881575) internal successors, (10355), 5205 states have internal predecessors, (10355), 0 states have call successors, (0), 0 states 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 01:41:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 5206 states and 10355 transitions. [2021-11-13 01:41:45,202 INFO L78 Accepts]: Start accepts. Automaton has 5206 states and 10355 transitions. Word has length 24 [2021-11-13 01:41:45,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:45,202 INFO L470 AbstractCegarLoop]: Abstraction has 5206 states and 10355 transitions. [2021-11-13 01:41:45,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 5206 states and 10355 transitions. [2021-11-13 01:41:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:45,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:45,204 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 01:41:45,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-13 01:41:45,204 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1419374378, now seen corresponding path program 37 times [2021-11-13 01:41:45,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:45,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264020432] [2021-11-13 01:41:45,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:45,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:45,692 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 01:41:45,692 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:45,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264020432] [2021-11-13 01:41:45,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264020432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:45,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:45,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:45,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569610249] [2021-11-13 01:41:45,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:45,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:45,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:45,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:45,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:45,698 INFO L87 Difference]: Start difference. First operand 5206 states and 10355 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:47,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:47,961 INFO L93 Difference]: Finished difference Result 5525 states and 10984 transitions. [2021-11-13 01:41:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:41:47,962 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:47,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:47,970 INFO L225 Difference]: With dead ends: 5525 [2021-11-13 01:41:47,970 INFO L226 Difference]: Without dead ends: 5525 [2021-11-13 01:41:47,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:41:47,970 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 430 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1546.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.79ms SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1776.46ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:47,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 136 Invalid, 1772 Unknown, 0 Unchecked, 6.79ms Time], IncrementalHoareTripleChecker [139 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 1776.46ms Time] [2021-11-13 01:41:47,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5525 states. [2021-11-13 01:41:48,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5525 to 5217. [2021-11-13 01:41:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5217 states, 5145 states have (on average 2.0169096209912536) internal successors, (10377), 5216 states have internal predecessors, (10377), 0 states have call successors, (0), 0 states 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 01:41:48,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 10377 transitions. [2021-11-13 01:41:48,048 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 10377 transitions. Word has length 24 [2021-11-13 01:41:48,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:48,048 INFO L470 AbstractCegarLoop]: Abstraction has 5217 states and 10377 transitions. [2021-11-13 01:41:48,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:48,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 10377 transitions. [2021-11-13 01:41:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:48,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:48,050 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 01:41:48,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-13 01:41:48,050 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:48,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:48,051 INFO L85 PathProgramCache]: Analyzing trace with hash -538621974, now seen corresponding path program 38 times [2021-11-13 01:41:48,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:48,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654720101] [2021-11-13 01:41:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:48,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:48,504 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 01:41:48,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:48,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654720101] [2021-11-13 01:41:48,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654720101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:48,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:48,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:48,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328127432] [2021-11-13 01:41:48,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:48,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:48,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:48,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:48,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:48,506 INFO L87 Difference]: Start difference. First operand 5217 states and 10377 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:50,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:50,963 INFO L93 Difference]: Finished difference Result 5535 states and 11004 transitions. [2021-11-13 01:41:50,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:41:50,963 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:50,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:50,971 INFO L225 Difference]: With dead ends: 5535 [2021-11-13 01:41:50,971 INFO L226 Difference]: Without dead ends: 5535 [2021-11-13 01:41:50,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=258, Invalid=554, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:41:50,972 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 409 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1617.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.79ms SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1866.39ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:50,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 143 Invalid, 1998 Unknown, 0 Unchecked, 6.79ms Time], IncrementalHoareTripleChecker [103 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 1866.39ms Time] [2021-11-13 01:41:50,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5535 states. [2021-11-13 01:41:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5535 to 5204. [2021-11-13 01:41:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5204 states, 5132 states have (on average 2.0169524551831643) internal successors, (10351), 5203 states have internal predecessors, (10351), 0 states have call successors, (0), 0 states 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 01:41:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 10351 transitions. [2021-11-13 01:41:51,050 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 10351 transitions. Word has length 24 [2021-11-13 01:41:51,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:51,050 INFO L470 AbstractCegarLoop]: Abstraction has 5204 states and 10351 transitions. [2021-11-13 01:41:51,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 10351 transitions. [2021-11-13 01:41:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:51,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:51,051 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 01:41:51,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-11-13 01:41:51,052 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:51,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:51,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1541991004, now seen corresponding path program 39 times [2021-11-13 01:41:51,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:51,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112666017] [2021-11-13 01:41:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:51,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:51,549 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 01:41:51,549 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:51,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112666017] [2021-11-13 01:41:51,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112666017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:51,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:51,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:51,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110205280] [2021-11-13 01:41:51,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:51,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:51,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:51,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:51,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:51,551 INFO L87 Difference]: Start difference. First operand 5204 states and 10351 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:53,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:53,644 INFO L93 Difference]: Finished difference Result 5567 states and 11068 transitions. [2021-11-13 01:41:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:41:53,645 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:53,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:53,652 INFO L225 Difference]: With dead ends: 5567 [2021-11-13 01:41:53,652 INFO L226 Difference]: Without dead ends: 5567 [2021-11-13 01:41:53,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:41:53,652 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 431 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1386.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.72ms SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1606.46ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:53,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 131 Invalid, 1607 Unknown, 0 Unchecked, 7.72ms Time], IncrementalHoareTripleChecker [145 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 1606.46ms Time] [2021-11-13 01:41:53,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5567 states. [2021-11-13 01:41:53,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5567 to 5228. [2021-11-13 01:41:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 5156 states have (on average 2.0168735453840188) internal successors, (10399), 5227 states have internal predecessors, (10399), 0 states have call successors, (0), 0 states 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 01:41:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 10399 transitions. [2021-11-13 01:41:53,728 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 10399 transitions. Word has length 24 [2021-11-13 01:41:53,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:53,729 INFO L470 AbstractCegarLoop]: Abstraction has 5228 states and 10399 transitions. [2021-11-13 01:41:53,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 10399 transitions. [2021-11-13 01:41:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:53,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:53,731 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 01:41:53,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-11-13 01:41:53,731 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:53,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:53,732 INFO L85 PathProgramCache]: Analyzing trace with hash -661238600, now seen corresponding path program 40 times [2021-11-13 01:41:53,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:53,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275911612] [2021-11-13 01:41:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:53,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:54,178 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 01:41:54,178 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:54,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275911612] [2021-11-13 01:41:54,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275911612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:54,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:54,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:54,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201125467] [2021-11-13 01:41:54,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:54,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:54,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:54,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:54,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:54,181 INFO L87 Difference]: Start difference. First operand 5228 states and 10399 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:57,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:57,600 INFO L93 Difference]: Finished difference Result 5575 states and 11084 transitions. [2021-11-13 01:41:57,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:41:57,601 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:41:57,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:57,609 INFO L225 Difference]: With dead ends: 5575 [2021-11-13 01:41:57,609 INFO L226 Difference]: Without dead ends: 5575 [2021-11-13 01:41:57,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=271, Invalid=599, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:41:57,610 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 412 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2387.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.53ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2742.95ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:57,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 158 Invalid, 2753 Unknown, 0 Unchecked, 9.53ms Time], IncrementalHoareTripleChecker [118 Valid, 2635 Invalid, 0 Unknown, 0 Unchecked, 2742.95ms Time] [2021-11-13 01:41:57,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2021-11-13 01:41:57,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 5216. [2021-11-13 01:41:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5216 states, 5144 states have (on average 2.0169129082426127) internal successors, (10375), 5215 states have internal predecessors, (10375), 0 states have call successors, (0), 0 states 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 01:41:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 5216 states and 10375 transitions. [2021-11-13 01:41:57,722 INFO L78 Accepts]: Start accepts. Automaton has 5216 states and 10375 transitions. Word has length 24 [2021-11-13 01:41:57,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:57,722 INFO L470 AbstractCegarLoop]: Abstraction has 5216 states and 10375 transitions. [2021-11-13 01:41:57,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:41:57,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5216 states and 10375 transitions. [2021-11-13 01:41:57,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:41:57,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:57,724 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 01:41:57,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-13 01:41:57,724 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:41:57,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:57,725 INFO L85 PathProgramCache]: Analyzing trace with hash 422748438, now seen corresponding path program 41 times [2021-11-13 01:41:57,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:57,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674943070] [2021-11-13 01:41:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:57,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:58,139 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 01:41:58,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:41:58,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674943070] [2021-11-13 01:41:58,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674943070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:58,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:58,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:41:58,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570356978] [2021-11-13 01:41:58,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:58,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:41:58,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:58,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:41:58,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:41:58,140 INFO L87 Difference]: Start difference. First operand 5216 states and 10375 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:02,521 INFO L93 Difference]: Finished difference Result 5592 states and 11118 transitions. [2021-11-13 01:42:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:42:02,525 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:02,536 INFO L225 Difference]: With dead ends: 5592 [2021-11-13 01:42:02,536 INFO L226 Difference]: Without dead ends: 5592 [2021-11-13 01:42:02,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=390, Invalid=870, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:42:02,537 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 426 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 3374 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3017.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.16ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3475.50ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:02,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 167 Invalid, 3486 Unknown, 0 Unchecked, 12.16ms Time], IncrementalHoareTripleChecker [112 Valid, 3374 Invalid, 0 Unknown, 0 Unchecked, 3475.50ms Time] [2021-11-13 01:42:02,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5592 states. [2021-11-13 01:42:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5592 to 5217. [2021-11-13 01:42:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5217 states, 5145 states have (on average 2.0169096209912536) internal successors, (10377), 5216 states have internal predecessors, (10377), 0 states have call successors, (0), 0 states 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 01:42:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 10377 transitions. [2021-11-13 01:42:02,646 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 10377 transitions. Word has length 24 [2021-11-13 01:42:02,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:02,647 INFO L470 AbstractCegarLoop]: Abstraction has 5217 states and 10377 transitions. [2021-11-13 01:42:02,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 10377 transitions. [2021-11-13 01:42:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:02,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:02,648 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 01:42:02,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-11-13 01:42:02,648 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:02,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash 782921628, now seen corresponding path program 42 times [2021-11-13 01:42:02,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:02,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611988769] [2021-11-13 01:42:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:02,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:03,108 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 01:42:03,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:03,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611988769] [2021-11-13 01:42:03,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611988769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:03,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:03,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:03,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848898961] [2021-11-13 01:42:03,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:03,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:03,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:03,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:03,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:03,110 INFO L87 Difference]: Start difference. First operand 5217 states and 10377 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:06,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:06,194 INFO L93 Difference]: Finished difference Result 5600 states and 11134 transitions. [2021-11-13 01:42:06,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 01:42:06,195 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:06,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:06,202 INFO L225 Difference]: With dead ends: 5600 [2021-11-13 01:42:06,202 INFO L226 Difference]: Without dead ends: 5600 [2021-11-13 01:42:06,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=423, Invalid=983, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 01:42:06,203 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 435 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 2442 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1877.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.91ms SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2174.71ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:06,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 148 Invalid, 2572 Unknown, 0 Unchecked, 7.91ms Time], IncrementalHoareTripleChecker [130 Valid, 2442 Invalid, 0 Unknown, 0 Unchecked, 2174.71ms Time] [2021-11-13 01:42:06,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5600 states. [2021-11-13 01:42:06,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5600 to 5203. [2021-11-13 01:42:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 5131 states have (on average 2.0169557591112843) internal successors, (10349), 5202 states have internal predecessors, (10349), 0 states have call successors, (0), 0 states 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 01:42:06,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 10349 transitions. [2021-11-13 01:42:06,296 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 10349 transitions. Word has length 24 [2021-11-13 01:42:06,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:06,296 INFO L470 AbstractCegarLoop]: Abstraction has 5203 states and 10349 transitions. [2021-11-13 01:42:06,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 10349 transitions. [2021-11-13 01:42:06,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:06,297 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:06,297 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 01:42:06,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-11-13 01:42:06,297 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:06,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:06,298 INFO L85 PathProgramCache]: Analyzing trace with hash 666324400, now seen corresponding path program 43 times [2021-11-13 01:42:06,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:06,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566419037] [2021-11-13 01:42:06,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:06,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:06,752 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 01:42:06,752 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:06,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566419037] [2021-11-13 01:42:06,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566419037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:06,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:06,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:06,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694890164] [2021-11-13 01:42:06,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:06,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:06,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:06,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:06,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:06,754 INFO L87 Difference]: Start difference. First operand 5203 states and 10349 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:08,346 INFO L93 Difference]: Finished difference Result 5567 states and 11068 transitions. [2021-11-13 01:42:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:42:08,346 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:08,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:08,353 INFO L225 Difference]: With dead ends: 5567 [2021-11-13 01:42:08,353 INFO L226 Difference]: Without dead ends: 5567 [2021-11-13 01:42:08,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:42:08,354 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 400 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1091.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.81ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1260.40ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:08,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 131 Invalid, 1627 Unknown, 0 Unchecked, 5.81ms Time], IncrementalHoareTripleChecker [125 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1260.40ms Time] [2021-11-13 01:42:08,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5567 states. [2021-11-13 01:42:08,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5567 to 5212. [2021-11-13 01:42:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5140 states have (on average 2.0169260700389104) internal successors, (10367), 5211 states have internal predecessors, (10367), 0 states have call successors, (0), 0 states 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 01:42:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 10367 transitions. [2021-11-13 01:42:08,422 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 10367 transitions. Word has length 24 [2021-11-13 01:42:08,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:08,422 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 10367 transitions. [2021-11-13 01:42:08,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 10367 transitions. [2021-11-13 01:42:08,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:08,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:08,423 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 01:42:08,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-13 01:42:08,423 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:08,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1547076804, now seen corresponding path program 44 times [2021-11-13 01:42:08,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:08,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231567748] [2021-11-13 01:42:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:08,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:08,821 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 01:42:08,821 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:08,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231567748] [2021-11-13 01:42:08,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231567748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:08,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:08,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:08,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957827461] [2021-11-13 01:42:08,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:08,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:08,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:08,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:08,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:08,822 INFO L87 Difference]: Start difference. First operand 5212 states and 10367 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:11,109 INFO L93 Difference]: Finished difference Result 5583 states and 11100 transitions. [2021-11-13 01:42:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:42:11,109 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:11,116 INFO L225 Difference]: With dead ends: 5583 [2021-11-13 01:42:11,116 INFO L226 Difference]: Without dead ends: 5583 [2021-11-13 01:42:11,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:42:11,117 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 423 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1651.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.57ms SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1898.20ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:11,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 146 Invalid, 2386 Unknown, 0 Unchecked, 7.57ms Time], IncrementalHoareTripleChecker [129 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 1898.20ms Time] [2021-11-13 01:42:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5583 states. [2021-11-13 01:42:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5583 to 5200. [2021-11-13 01:42:11,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5200 states, 5128 states have (on average 2.016965678627145) internal successors, (10343), 5199 states have internal predecessors, (10343), 0 states have call successors, (0), 0 states 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 01:42:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 10343 transitions. [2021-11-13 01:42:11,185 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 10343 transitions. Word has length 24 [2021-11-13 01:42:11,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:11,186 INFO L470 AbstractCegarLoop]: Abstraction has 5200 states and 10343 transitions. [2021-11-13 01:42:11,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 10343 transitions. [2021-11-13 01:42:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:11,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:11,187 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 01:42:11,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-11-13 01:42:11,187 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:11,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:11,188 INFO L85 PathProgramCache]: Analyzing trace with hash -273052252, now seen corresponding path program 45 times [2021-11-13 01:42:11,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:11,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224185410] [2021-11-13 01:42:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:11,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:11,611 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 01:42:11,612 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:11,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224185410] [2021-11-13 01:42:11,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224185410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:11,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:11,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:11,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837323716] [2021-11-13 01:42:11,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:11,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:11,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:11,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:11,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:11,613 INFO L87 Difference]: Start difference. First operand 5200 states and 10343 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:15,334 INFO L93 Difference]: Finished difference Result 5585 states and 11104 transitions. [2021-11-13 01:42:15,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:42:15,335 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:15,341 INFO L225 Difference]: With dead ends: 5585 [2021-11-13 01:42:15,341 INFO L226 Difference]: Without dead ends: 5585 [2021-11-13 01:42:15,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=404, Invalid=928, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:42:15,342 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 427 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 3427 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2599.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.75ms SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2987.48ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:15,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [427 Valid, 167 Invalid, 3543 Unknown, 0 Unchecked, 10.75ms Time], IncrementalHoareTripleChecker [116 Valid, 3427 Invalid, 0 Unknown, 0 Unchecked, 2987.48ms Time] [2021-11-13 01:42:15,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2021-11-13 01:42:15,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5201. [2021-11-13 01:42:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 5129 states have (on average 2.016962370832521) internal successors, (10345), 5200 states have internal predecessors, (10345), 0 states have call successors, (0), 0 states 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 01:42:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 10345 transitions. [2021-11-13 01:42:15,410 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 10345 transitions. Word has length 24 [2021-11-13 01:42:15,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:15,410 INFO L470 AbstractCegarLoop]: Abstraction has 5201 states and 10345 transitions. [2021-11-13 01:42:15,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 10345 transitions. [2021-11-13 01:42:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:15,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:15,411 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 01:42:15,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-11-13 01:42:15,411 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:15,412 INFO L85 PathProgramCache]: Analyzing trace with hash 87120938, now seen corresponding path program 46 times [2021-11-13 01:42:15,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:15,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471100514] [2021-11-13 01:42:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:15,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:15,812 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 01:42:15,812 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:15,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471100514] [2021-11-13 01:42:15,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471100514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:15,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:15,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:15,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480245350] [2021-11-13 01:42:15,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:15,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:15,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:15,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:15,814 INFO L87 Difference]: Start difference. First operand 5201 states and 10345 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:19,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:19,095 INFO L93 Difference]: Finished difference Result 5593 states and 11120 transitions. [2021-11-13 01:42:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:42:19,095 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:19,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:19,102 INFO L225 Difference]: With dead ends: 5593 [2021-11-13 01:42:19,102 INFO L226 Difference]: Without dead ends: 5593 [2021-11-13 01:42:19,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=438, Invalid=1044, Unknown=0, NotChecked=0, Total=1482 [2021-11-13 01:42:19,102 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 432 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 2865 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2132.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.33ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2459.28ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:19,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 155 Invalid, 2992 Unknown, 0 Unchecked, 9.33ms Time], IncrementalHoareTripleChecker [127 Valid, 2865 Invalid, 0 Unknown, 0 Unchecked, 2459.28ms Time] [2021-11-13 01:42:19,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5593 states. [2021-11-13 01:42:19,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5593 to 5175. [2021-11-13 01:42:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5103 states have (on average 2.0170487948265725) internal successors, (10293), 5174 states have internal predecessors, (10293), 0 states have call successors, (0), 0 states 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 01:42:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 10293 transitions. [2021-11-13 01:42:19,168 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 10293 transitions. Word has length 24 [2021-11-13 01:42:19,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:19,168 INFO L470 AbstractCegarLoop]: Abstraction has 5175 states and 10293 transitions. [2021-11-13 01:42:19,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 10293 transitions. [2021-11-13 01:42:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:19,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:19,169 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 01:42:19,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-11-13 01:42:19,169 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash 196038034, now seen corresponding path program 47 times [2021-11-13 01:42:19,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:19,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032677091] [2021-11-13 01:42:19,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:19,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:19,443 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 01:42:19,443 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:19,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032677091] [2021-11-13 01:42:19,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032677091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:19,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:19,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:19,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514544821] [2021-11-13 01:42:19,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:19,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:19,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:19,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:19,445 INFO L87 Difference]: Start difference. First operand 5175 states and 10293 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:23,797 INFO L93 Difference]: Finished difference Result 14463 states and 28666 transitions. [2021-11-13 01:42:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:42:23,797 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:23,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:23,819 INFO L225 Difference]: With dead ends: 14463 [2021-11-13 01:42:23,819 INFO L226 Difference]: Without dead ends: 14463 [2021-11-13 01:42:23,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=583, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:42:23,819 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 835 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 4684 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3365.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.17ms SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3884.78ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:23,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [835 Valid, 602 Invalid, 4826 Unknown, 0 Unchecked, 15.17ms Time], IncrementalHoareTripleChecker [142 Valid, 4684 Invalid, 0 Unknown, 0 Unchecked, 3884.78ms Time] [2021-11-13 01:42:23,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14463 states. [2021-11-13 01:42:23,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14463 to 5226. [2021-11-13 01:42:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 5154 states have (on average 2.0168800931315483) internal successors, (10395), 5225 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states 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 01:42:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 10395 transitions. [2021-11-13 01:42:23,931 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 10395 transitions. Word has length 24 [2021-11-13 01:42:23,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:23,931 INFO L470 AbstractCegarLoop]: Abstraction has 5226 states and 10395 transitions. [2021-11-13 01:42:23,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 10395 transitions. [2021-11-13 01:42:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:23,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:23,932 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 01:42:23,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-11-13 01:42:23,933 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:23,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:23,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1076790438, now seen corresponding path program 48 times [2021-11-13 01:42:23,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:23,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076946949] [2021-11-13 01:42:23,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:23,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:24,173 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 01:42:24,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:24,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076946949] [2021-11-13 01:42:24,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076946949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:24,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:24,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:24,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391782119] [2021-11-13 01:42:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:24,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:24,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:24,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:24,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:24,175 INFO L87 Difference]: Start difference. First operand 5226 states and 10395 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:28,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:28,585 INFO L93 Difference]: Finished difference Result 14477 states and 28694 transitions. [2021-11-13 01:42:28,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:42:28,585 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:28,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:28,607 INFO L225 Difference]: With dead ends: 14477 [2021-11-13 01:42:28,607 INFO L226 Difference]: Without dead ends: 14477 [2021-11-13 01:42:28,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=276, Invalid=654, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:42:28,607 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 842 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 4626 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3320.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 4784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.29ms SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 4626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3834.40ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:28,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [842 Valid, 600 Invalid, 4784 Unknown, 0 Unchecked, 15.29ms Time], IncrementalHoareTripleChecker [158 Valid, 4626 Invalid, 0 Unknown, 0 Unchecked, 3834.40ms Time] [2021-11-13 01:42:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14477 states. [2021-11-13 01:42:28,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14477 to 5219. [2021-11-13 01:42:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5219 states, 5147 states have (on average 2.016903050320575) internal successors, (10381), 5218 states have internal predecessors, (10381), 0 states have call successors, (0), 0 states 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 01:42:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 10381 transitions. [2021-11-13 01:42:28,722 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 10381 transitions. Word has length 24 [2021-11-13 01:42:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:28,722 INFO L470 AbstractCegarLoop]: Abstraction has 5219 states and 10381 transitions. [2021-11-13 01:42:28,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 10381 transitions. [2021-11-13 01:42:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:28,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:28,723 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 01:42:28,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-11-13 01:42:28,723 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:28,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:28,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1510419974, now seen corresponding path program 49 times [2021-11-13 01:42:28,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:28,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268313578] [2021-11-13 01:42:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:28,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:28,939 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 01:42:28,939 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:28,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268313578] [2021-11-13 01:42:28,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268313578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:28,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:28,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:28,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782516467] [2021-11-13 01:42:28,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:28,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:28,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:28,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:28,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:28,940 INFO L87 Difference]: Start difference. First operand 5219 states and 10381 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:33,231 INFO L93 Difference]: Finished difference Result 14484 states and 28708 transitions. [2021-11-13 01:42:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:42:33,232 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:33,253 INFO L225 Difference]: With dead ends: 14484 [2021-11-13 01:42:33,253 INFO L226 Difference]: Without dead ends: 14484 [2021-11-13 01:42:33,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=699, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:42:33,254 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 814 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 4350 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3147.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 4487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.56ms SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 4350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3646.37ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:33,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [814 Valid, 589 Invalid, 4487 Unknown, 0 Unchecked, 14.56ms Time], IncrementalHoareTripleChecker [137 Valid, 4350 Invalid, 0 Unknown, 0 Unchecked, 3646.37ms Time] [2021-11-13 01:42:33,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14484 states. [2021-11-13 01:42:33,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14484 to 5220. [2021-11-13 01:42:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5220 states, 5148 states have (on average 2.016899766899767) internal successors, (10383), 5219 states have internal predecessors, (10383), 0 states have call successors, (0), 0 states 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 01:42:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 10383 transitions. [2021-11-13 01:42:33,393 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 10383 transitions. Word has length 24 [2021-11-13 01:42:33,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:33,394 INFO L470 AbstractCegarLoop]: Abstraction has 5220 states and 10383 transitions. [2021-11-13 01:42:33,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:33,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 10383 transitions. [2021-11-13 01:42:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:33,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:33,395 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 01:42:33,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-11-13 01:42:33,395 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:33,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:33,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1870593164, now seen corresponding path program 50 times [2021-11-13 01:42:33,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:33,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473274121] [2021-11-13 01:42:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:33,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:33,607 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 01:42:33,607 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:33,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473274121] [2021-11-13 01:42:33,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473274121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:33,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:33,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:33,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671110473] [2021-11-13 01:42:33,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:33,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:33,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:33,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:33,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:33,608 INFO L87 Difference]: Start difference. First operand 5220 states and 10383 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:37,739 INFO L93 Difference]: Finished difference Result 14489 states and 28718 transitions. [2021-11-13 01:42:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:42:37,740 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:37,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:37,759 INFO L225 Difference]: With dead ends: 14489 [2021-11-13 01:42:37,759 INFO L226 Difference]: Without dead ends: 14489 [2021-11-13 01:42:37,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:42:37,759 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 824 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2991.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 4421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.86ms SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3472.02ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:37,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [824 Valid, 587 Invalid, 4421 Unknown, 0 Unchecked, 13.86ms Time], IncrementalHoareTripleChecker [150 Valid, 4271 Invalid, 0 Unknown, 0 Unchecked, 3472.02ms Time] [2021-11-13 01:42:37,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14489 states. [2021-11-13 01:42:37,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14489 to 5212. [2021-11-13 01:42:37,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5140 states have (on average 2.0169260700389104) internal successors, (10367), 5211 states have internal predecessors, (10367), 0 states have call successors, (0), 0 states 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 01:42:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 10367 transitions. [2021-11-13 01:42:37,861 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 10367 transitions. Word has length 24 [2021-11-13 01:42:37,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:37,862 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 10367 transitions. [2021-11-13 01:42:37,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 10367 transitions. [2021-11-13 01:42:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:37,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:37,863 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 01:42:37,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-11-13 01:42:37,863 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:37,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:37,864 INFO L85 PathProgramCache]: Analyzing trace with hash -422606106, now seen corresponding path program 51 times [2021-11-13 01:42:37,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:37,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573706094] [2021-11-13 01:42:37,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:37,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:38,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:38,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573706094] [2021-11-13 01:42:38,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573706094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:38,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:38,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:38,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574320432] [2021-11-13 01:42:38,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:38,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:38,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:38,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:38,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:38,092 INFO L87 Difference]: Start difference. First operand 5212 states and 10367 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:41,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:41,241 INFO L93 Difference]: Finished difference Result 14636 states and 29008 transitions. [2021-11-13 01:42:41,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:42:41,241 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:41,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:41,262 INFO L225 Difference]: With dead ends: 14636 [2021-11-13 01:42:41,262 INFO L226 Difference]: Without dead ends: 14636 [2021-11-13 01:42:41,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:42:41,262 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 802 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 3135 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2124.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.02ms SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 3135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2480.95ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:41,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [802 Valid, 549 Invalid, 3311 Unknown, 0 Unchecked, 11.02ms Time], IncrementalHoareTripleChecker [176 Valid, 3135 Invalid, 0 Unknown, 0 Unchecked, 2480.95ms Time] [2021-11-13 01:42:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14636 states. [2021-11-13 01:42:41,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14636 to 5225. [2021-11-13 01:42:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 5153 states have (on average 2.016883368911314) internal successors, (10393), 5224 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states 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 01:42:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 10393 transitions. [2021-11-13 01:42:41,368 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 10393 transitions. Word has length 24 [2021-11-13 01:42:41,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:41,368 INFO L470 AbstractCegarLoop]: Abstraction has 5225 states and 10393 transitions. [2021-11-13 01:42:41,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 10393 transitions. [2021-11-13 01:42:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:41,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:41,369 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] [2021-11-13 01:42:41,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-11-13 01:42:41,369 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:41,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:41,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1906450752, now seen corresponding path program 52 times [2021-11-13 01:42:41,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:41,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231027695] [2021-11-13 01:42:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:41,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:41,584 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 01:42:41,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:41,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231027695] [2021-11-13 01:42:41,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231027695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:41,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:41,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:41,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724414434] [2021-11-13 01:42:41,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:41,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:41,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:41,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:41,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:41,585 INFO L87 Difference]: Start difference. First operand 5225 states and 10393 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:45,345 INFO L93 Difference]: Finished difference Result 14580 states and 28896 transitions. [2021-11-13 01:42:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:42:45,346 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:45,366 INFO L225 Difference]: With dead ends: 14580 [2021-11-13 01:42:45,366 INFO L226 Difference]: Without dead ends: 14580 [2021-11-13 01:42:45,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:42:45,367 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 825 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 3953 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2637.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 4073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.66ms SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3067.72ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:45,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 577 Invalid, 4073 Unknown, 0 Unchecked, 12.66ms Time], IncrementalHoareTripleChecker [120 Valid, 3953 Invalid, 0 Unknown, 0 Unchecked, 3067.72ms Time] [2021-11-13 01:42:45,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14580 states. [2021-11-13 01:42:45,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14580 to 5226. [2021-11-13 01:42:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 5154 states have (on average 2.0168800931315483) internal successors, (10395), 5225 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states 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 01:42:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 10395 transitions. [2021-11-13 01:42:45,473 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 10395 transitions. Word has length 24 [2021-11-13 01:42:45,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:45,474 INFO L470 AbstractCegarLoop]: Abstraction has 5226 states and 10395 transitions. [2021-11-13 01:42:45,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 10395 transitions. [2021-11-13 01:42:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:45,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:45,475 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 01:42:45,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-11-13 01:42:45,475 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:45,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:45,475 INFO L85 PathProgramCache]: Analyzing trace with hash -2028343354, now seen corresponding path program 53 times [2021-11-13 01:42:45,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:45,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863630312] [2021-11-13 01:42:45,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:45,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:45,691 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 01:42:45,691 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:45,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863630312] [2021-11-13 01:42:45,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863630312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:45,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:45,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:45,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794315947] [2021-11-13 01:42:45,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:45,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:45,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:45,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:45,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:45,692 INFO L87 Difference]: Start difference. First operand 5226 states and 10395 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:50,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:50,010 INFO L93 Difference]: Finished difference Result 14596 states and 28928 transitions. [2021-11-13 01:42:50,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:42:50,011 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:50,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:50,031 INFO L225 Difference]: With dead ends: 14596 [2021-11-13 01:42:50,031 INFO L226 Difference]: Without dead ends: 14596 [2021-11-13 01:42:50,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=406, Invalid=1000, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 01:42:50,032 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 833 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 4459 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3059.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 4601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.59ms SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3548.94ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:50,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [833 Valid, 592 Invalid, 4601 Unknown, 0 Unchecked, 12.59ms Time], IncrementalHoareTripleChecker [142 Valid, 4459 Invalid, 0 Unknown, 0 Unchecked, 3548.94ms Time] [2021-11-13 01:42:50,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14596 states. [2021-11-13 01:42:50,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14596 to 5212. [2021-11-13 01:42:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5140 states have (on average 2.0169260700389104) internal successors, (10367), 5211 states have internal predecessors, (10367), 0 states have call successors, (0), 0 states 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 01:42:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 10367 transitions. [2021-11-13 01:42:50,135 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 10367 transitions. Word has length 24 [2021-11-13 01:42:50,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:50,135 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 10367 transitions. [2021-11-13 01:42:50,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 10367 transitions. [2021-11-13 01:42:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:50,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:50,136 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 01:42:50,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-11-13 01:42:50,136 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2028595582, now seen corresponding path program 29 times [2021-11-13 01:42:50,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:50,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029518770] [2021-11-13 01:42:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:50,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:50,583 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 01:42:50,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:50,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029518770] [2021-11-13 01:42:50,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029518770] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:50,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:50,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:50,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984109202] [2021-11-13 01:42:50,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:50,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:50,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:50,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:50,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:50,585 INFO L87 Difference]: Start difference. First operand 5212 states and 10367 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:53,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:53,125 INFO L93 Difference]: Finished difference Result 12966 states and 25707 transitions. [2021-11-13 01:42:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:42:53,125 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:53,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:53,145 INFO L225 Difference]: With dead ends: 12966 [2021-11-13 01:42:53,145 INFO L226 Difference]: Without dead ends: 12966 [2021-11-13 01:42:53,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:42:53,145 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 846 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1743.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.78ms SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2032.96ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:53,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 492 Invalid, 2593 Unknown, 0 Unchecked, 8.78ms Time], IncrementalHoareTripleChecker [141 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2032.96ms Time] [2021-11-13 01:42:53,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12966 states. [2021-11-13 01:42:53,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12966 to 5188. [2021-11-13 01:42:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 5116 states have (on average 2.0162236121970287) internal successors, (10315), 5187 states have internal predecessors, (10315), 0 states have call successors, (0), 0 states 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 01:42:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 10315 transitions. [2021-11-13 01:42:53,246 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 10315 transitions. Word has length 24 [2021-11-13 01:42:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:53,246 INFO L470 AbstractCegarLoop]: Abstraction has 5188 states and 10315 transitions. [2021-11-13 01:42:53,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 10315 transitions. [2021-11-13 01:42:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:53,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:53,247 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 01:42:53,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-11-13 01:42:53,247 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:53,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:53,248 INFO L85 PathProgramCache]: Analyzing trace with hash -155334062, now seen corresponding path program 30 times [2021-11-13 01:42:53,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:53,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115690061] [2021-11-13 01:42:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:53,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:53,626 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 01:42:53,626 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:53,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115690061] [2021-11-13 01:42:53,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115690061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:53,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:53,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:53,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984461693] [2021-11-13 01:42:53,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:53,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:53,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:53,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:53,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:53,628 INFO L87 Difference]: Start difference. First operand 5188 states and 10315 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:57,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:57,770 INFO L93 Difference]: Finished difference Result 12910 states and 25590 transitions. [2021-11-13 01:42:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:42:57,770 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:42:57,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:57,789 INFO L225 Difference]: With dead ends: 12910 [2021-11-13 01:42:57,789 INFO L226 Difference]: Without dead ends: 12910 [2021-11-13 01:42:57,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=368, Invalid=964, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:42:57,789 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 815 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 4341 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3098.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 4455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.52ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3582.49ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:57,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [815 Valid, 559 Invalid, 4455 Unknown, 0 Unchecked, 12.52ms Time], IncrementalHoareTripleChecker [114 Valid, 4341 Invalid, 0 Unknown, 0 Unchecked, 3582.49ms Time] [2021-11-13 01:42:57,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12910 states. [2021-11-13 01:42:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12910 to 5189. [2021-11-13 01:42:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 5117 states have (on average 2.016220441665038) internal successors, (10317), 5188 states have internal predecessors, (10317), 0 states have call successors, (0), 0 states 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 01:42:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 10317 transitions. [2021-11-13 01:42:57,934 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 10317 transitions. Word has length 24 [2021-11-13 01:42:57,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:57,934 INFO L470 AbstractCegarLoop]: Abstraction has 5189 states and 10317 transitions. [2021-11-13 01:42:57,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:42:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 10317 transitions. [2021-11-13 01:42:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:42:57,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:57,935 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 01:42:57,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-11-13 01:42:57,935 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:42:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:57,936 INFO L85 PathProgramCache]: Analyzing trace with hash -149654552, now seen corresponding path program 31 times [2021-11-13 01:42:57,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:57,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258009500] [2021-11-13 01:42:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:57,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:58,316 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 01:42:58,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:58,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258009500] [2021-11-13 01:42:58,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258009500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:58,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:58,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:42:58,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128537094] [2021-11-13 01:42:58,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:58,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:42:58,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:58,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:42:58,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:58,322 INFO L87 Difference]: Start difference. First operand 5189 states and 10317 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:02,561 INFO L93 Difference]: Finished difference Result 12913 states and 25596 transitions. [2021-11-13 01:43:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 01:43:02,561 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:02,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:02,579 INFO L225 Difference]: With dead ends: 12913 [2021-11-13 01:43:02,579 INFO L226 Difference]: Without dead ends: 12913 [2021-11-13 01:43:02,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=394, Invalid=1012, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 01:43:02,579 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 820 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 4630 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3116.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.51ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3609.37ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:02,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [820 Valid, 571 Invalid, 4744 Unknown, 0 Unchecked, 13.51ms Time], IncrementalHoareTripleChecker [114 Valid, 4630 Invalid, 0 Unknown, 0 Unchecked, 3609.37ms Time] [2021-11-13 01:43:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12913 states. [2021-11-13 01:43:02,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12913 to 5176. [2021-11-13 01:43:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5104 states have (on average 2.0162617554858935) internal successors, (10291), 5175 states have internal predecessors, (10291), 0 states have call successors, (0), 0 states 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 01:43:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 10291 transitions. [2021-11-13 01:43:02,675 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 10291 transitions. Word has length 24 [2021-11-13 01:43:02,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:02,675 INFO L470 AbstractCegarLoop]: Abstraction has 5176 states and 10291 transitions. [2021-11-13 01:43:02,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 10291 transitions. [2021-11-13 01:43:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:02,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:02,676 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 01:43:02,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-11-13 01:43:02,676 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:02,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:02,677 INFO L85 PathProgramCache]: Analyzing trace with hash -861382910, now seen corresponding path program 32 times [2021-11-13 01:43:02,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:02,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493287446] [2021-11-13 01:43:02,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:02,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:03,018 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 01:43:03,019 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:03,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493287446] [2021-11-13 01:43:03,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493287446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:03,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:03,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:03,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087178150] [2021-11-13 01:43:03,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:03,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:03,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:03,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:03,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:03,020 INFO L87 Difference]: Start difference. First operand 5176 states and 10291 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:06,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:06,561 INFO L93 Difference]: Finished difference Result 12908 states and 25586 transitions. [2021-11-13 01:43:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:43:06,561 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:06,578 INFO L225 Difference]: With dead ends: 12908 [2021-11-13 01:43:06,578 INFO L226 Difference]: Without dead ends: 12908 [2021-11-13 01:43:06,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=325, Invalid=865, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:43:06,579 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 796 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 3618 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2611.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.31ms SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 3618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3021.07ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:06,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 527 Invalid, 3751 Unknown, 0 Unchecked, 11.31ms Time], IncrementalHoareTripleChecker [133 Valid, 3618 Invalid, 0 Unknown, 0 Unchecked, 3021.07ms Time] [2021-11-13 01:43:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12908 states. [2021-11-13 01:43:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12908 to 5178. [2021-11-13 01:43:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5178 states, 5106 states have (on average 2.016255385820603) internal successors, (10295), 5177 states have internal predecessors, (10295), 0 states have call successors, (0), 0 states 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 01:43:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 5178 states and 10295 transitions. [2021-11-13 01:43:06,673 INFO L78 Accepts]: Start accepts. Automaton has 5178 states and 10295 transitions. Word has length 24 [2021-11-13 01:43:06,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:06,673 INFO L470 AbstractCegarLoop]: Abstraction has 5178 states and 10295 transitions. [2021-11-13 01:43:06,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 10295 transitions. [2021-11-13 01:43:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:06,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:06,675 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 01:43:06,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-11-13 01:43:06,675 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash -855703400, now seen corresponding path program 33 times [2021-11-13 01:43:06,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:06,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807045326] [2021-11-13 01:43:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:06,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:07,023 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 01:43:07,023 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:07,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807045326] [2021-11-13 01:43:07,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807045326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:07,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:07,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:07,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267862666] [2021-11-13 01:43:07,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:07,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:07,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:07,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:07,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:07,024 INFO L87 Difference]: Start difference. First operand 5178 states and 10295 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:10,659 INFO L93 Difference]: Finished difference Result 12922 states and 25614 transitions. [2021-11-13 01:43:10,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:43:10,659 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:10,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:10,678 INFO L225 Difference]: With dead ends: 12922 [2021-11-13 01:43:10,678 INFO L226 Difference]: Without dead ends: 12922 [2021-11-13 01:43:10,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=348, Invalid=912, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:43:10,679 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 771 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 3862 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2618.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 3966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.02ms SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3041.32ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:10,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 536 Invalid, 3966 Unknown, 0 Unchecked, 12.02ms Time], IncrementalHoareTripleChecker [104 Valid, 3862 Invalid, 0 Unknown, 0 Unchecked, 3041.32ms Time] [2021-11-13 01:43:10,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12922 states. [2021-11-13 01:43:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12922 to 5177. [2021-11-13 01:43:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5177 states, 5105 states have (on average 2.016258570029383) internal successors, (10293), 5176 states have internal predecessors, (10293), 0 states have call successors, (0), 0 states 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 01:43:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5177 states to 5177 states and 10293 transitions. [2021-11-13 01:43:10,778 INFO L78 Accepts]: Start accepts. Automaton has 5177 states and 10293 transitions. Word has length 24 [2021-11-13 01:43:10,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:10,778 INFO L470 AbstractCegarLoop]: Abstraction has 5177 states and 10293 transitions. [2021-11-13 01:43:10,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:10,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5177 states and 10293 transitions. [2021-11-13 01:43:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:10,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:10,779 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 01:43:10,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-11-13 01:43:10,780 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:10,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:10,780 INFO L85 PathProgramCache]: Analyzing trace with hash -678744860, now seen corresponding path program 34 times [2021-11-13 01:43:10,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:10,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820022539] [2021-11-13 01:43:10,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:10,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:11,113 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 01:43:11,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:11,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820022539] [2021-11-13 01:43:11,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820022539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:11,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:11,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:11,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121549702] [2021-11-13 01:43:11,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:11,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:11,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:11,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:11,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:11,115 INFO L87 Difference]: Start difference. First operand 5177 states and 10293 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:14,637 INFO L93 Difference]: Finished difference Result 12928 states and 25626 transitions. [2021-11-13 01:43:14,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:43:14,637 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:14,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:14,656 INFO L225 Difference]: With dead ends: 12928 [2021-11-13 01:43:14,656 INFO L226 Difference]: Without dead ends: 12928 [2021-11-13 01:43:14,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=913, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:43:14,657 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 771 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 3675 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2484.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.14ms SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2896.57ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:14,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 533 Invalid, 3792 Unknown, 0 Unchecked, 12.14ms Time], IncrementalHoareTripleChecker [117 Valid, 3675 Invalid, 0 Unknown, 0 Unchecked, 2896.57ms Time] [2021-11-13 01:43:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12928 states. [2021-11-13 01:43:14,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12928 to 5164. [2021-11-13 01:43:14,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5164 states, 5092 states have (on average 2.0163000785545955) internal successors, (10267), 5163 states have internal predecessors, (10267), 0 states have call successors, (0), 0 states 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 01:43:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 5164 states and 10267 transitions. [2021-11-13 01:43:14,758 INFO L78 Accepts]: Start accepts. Automaton has 5164 states and 10267 transitions. Word has length 24 [2021-11-13 01:43:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:14,758 INFO L470 AbstractCegarLoop]: Abstraction has 5164 states and 10267 transitions. [2021-11-13 01:43:14,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 10267 transitions. [2021-11-13 01:43:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:14,759 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:14,759 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 01:43:14,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-11-13 01:43:14,759 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:14,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:14,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1995205074, now seen corresponding path program 35 times [2021-11-13 01:43:14,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:14,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312997539] [2021-11-13 01:43:14,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:14,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:15,071 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 01:43:15,071 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:15,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312997539] [2021-11-13 01:43:15,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312997539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:15,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:15,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:15,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440870042] [2021-11-13 01:43:15,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:15,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:15,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:15,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:15,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:15,072 INFO L87 Difference]: Start difference. First operand 5164 states and 10267 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:18,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:18,422 INFO L93 Difference]: Finished difference Result 12904 states and 25578 transitions. [2021-11-13 01:43:18,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:43:18,423 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:18,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:18,441 INFO L225 Difference]: With dead ends: 12904 [2021-11-13 01:43:18,441 INFO L226 Difference]: Without dead ends: 12904 [2021-11-13 01:43:18,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=287, Invalid=769, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:43:18,441 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 767 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 3637 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2442.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.18ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2851.14ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:18,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 529 Invalid, 3751 Unknown, 0 Unchecked, 11.18ms Time], IncrementalHoareTripleChecker [114 Valid, 3637 Invalid, 0 Unknown, 0 Unchecked, 2851.14ms Time] [2021-11-13 01:43:18,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12904 states. [2021-11-13 01:43:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12904 to 5167. [2021-11-13 01:43:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5167 states, 5095 states have (on average 2.0162904808635917) internal successors, (10273), 5166 states have internal predecessors, (10273), 0 states have call successors, (0), 0 states 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 01:43:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 10273 transitions. [2021-11-13 01:43:18,540 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 10273 transitions. Word has length 24 [2021-11-13 01:43:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:18,540 INFO L470 AbstractCegarLoop]: Abstraction has 5167 states and 10273 transitions. [2021-11-13 01:43:18,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 10273 transitions. [2021-11-13 01:43:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:18,541 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:18,541 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 01:43:18,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-11-13 01:43:18,541 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:18,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2000884584, now seen corresponding path program 36 times [2021-11-13 01:43:18,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:18,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038049551] [2021-11-13 01:43:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:18,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:18,866 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 01:43:18,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:18,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038049551] [2021-11-13 01:43:18,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038049551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:18,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:18,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:18,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452652725] [2021-11-13 01:43:18,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:18,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:18,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:18,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:18,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:18,868 INFO L87 Difference]: Start difference. First operand 5167 states and 10273 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:21,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:21,740 INFO L93 Difference]: Finished difference Result 12918 states and 25606 transitions. [2021-11-13 01:43:21,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:43:21,741 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:21,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:21,759 INFO L225 Difference]: With dead ends: 12918 [2021-11-13 01:43:21,760 INFO L226 Difference]: Without dead ends: 12918 [2021-11-13 01:43:21,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=307, Invalid=815, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:43:21,760 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 771 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1971.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 3240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.61ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2304.07ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:21,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 510 Invalid, 3240 Unknown, 0 Unchecked, 9.61ms Time], IncrementalHoareTripleChecker [114 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 2304.07ms Time] [2021-11-13 01:43:21,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12918 states. [2021-11-13 01:43:21,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12918 to 5166. [2021-11-13 01:43:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5094 states have (on average 2.0162936788378483) internal successors, (10271), 5165 states have internal predecessors, (10271), 0 states have call successors, (0), 0 states 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 01:43:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 10271 transitions. [2021-11-13 01:43:21,858 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 10271 transitions. Word has length 24 [2021-11-13 01:43:21,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:21,858 INFO L470 AbstractCegarLoop]: Abstraction has 5166 states and 10271 transitions. [2021-11-13 01:43:21,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 10271 transitions. [2021-11-13 01:43:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:21,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:21,859 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 01:43:21,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-11-13 01:43:21,859 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:21,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:21,859 INFO L85 PathProgramCache]: Analyzing trace with hash -2117124172, now seen corresponding path program 37 times [2021-11-13 01:43:21,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:21,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121196381] [2021-11-13 01:43:21,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:21,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:22,155 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 01:43:22,155 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:22,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121196381] [2021-11-13 01:43:22,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121196381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:22,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:22,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:22,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135494614] [2021-11-13 01:43:22,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:22,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:22,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:22,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:22,156 INFO L87 Difference]: Start difference. First operand 5166 states and 10271 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:25,639 INFO L93 Difference]: Finished difference Result 12932 states and 25634 transitions. [2021-11-13 01:43:25,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:43:25,640 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:25,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:25,658 INFO L225 Difference]: With dead ends: 12932 [2021-11-13 01:43:25,658 INFO L226 Difference]: Without dead ends: 12932 [2021-11-13 01:43:25,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=305, Invalid=817, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:43:25,658 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 737 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 4158 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2512.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 4252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.43ms SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 4158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2927.97ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:25,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 550 Invalid, 4252 Unknown, 0 Unchecked, 11.43ms Time], IncrementalHoareTripleChecker [94 Valid, 4158 Invalid, 0 Unknown, 0 Unchecked, 2927.97ms Time] [2021-11-13 01:43:25,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12932 states. [2021-11-13 01:43:25,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12932 to 5165. [2021-11-13 01:43:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5165 states, 5093 states have (on average 2.0162968780679362) internal successors, (10269), 5164 states have internal predecessors, (10269), 0 states have call successors, (0), 0 states 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 01:43:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 5165 states and 10269 transitions. [2021-11-13 01:43:25,756 INFO L78 Accepts]: Start accepts. Automaton has 5165 states and 10269 transitions. Word has length 24 [2021-11-13 01:43:25,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:25,756 INFO L470 AbstractCegarLoop]: Abstraction has 5165 states and 10269 transitions. [2021-11-13 01:43:25,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 5165 states and 10269 transitions. [2021-11-13 01:43:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:25,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:25,757 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 01:43:25,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-11-13 01:43:25,757 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:25,758 INFO L85 PathProgramCache]: Analyzing trace with hash -898671098, now seen corresponding path program 38 times [2021-11-13 01:43:25,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:25,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840909618] [2021-11-13 01:43:25,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:25,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:26,050 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 01:43:26,051 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:26,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840909618] [2021-11-13 01:43:26,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840909618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:26,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:26,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:26,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242785511] [2021-11-13 01:43:26,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:26,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:26,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:26,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:26,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:26,052 INFO L87 Difference]: Start difference. First operand 5165 states and 10269 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:28,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:28,797 INFO L93 Difference]: Finished difference Result 12905 states and 25580 transitions. [2021-11-13 01:43:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:43:28,797 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:28,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:28,827 INFO L225 Difference]: With dead ends: 12905 [2021-11-13 01:43:28,827 INFO L226 Difference]: Without dead ends: 12905 [2021-11-13 01:43:28,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=305, Invalid=817, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:43:28,828 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 768 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 3157 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1872.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.27ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2193.19ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:28,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 517 Invalid, 3275 Unknown, 0 Unchecked, 9.27ms Time], IncrementalHoareTripleChecker [118 Valid, 3157 Invalid, 0 Unknown, 0 Unchecked, 2193.19ms Time] [2021-11-13 01:43:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2021-11-13 01:43:28,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 5133. [2021-11-13 01:43:28,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5133 states, 5061 states have (on average 2.0163999209642363) internal successors, (10205), 5132 states have internal predecessors, (10205), 0 states have call successors, (0), 0 states 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 01:43:28,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 5133 states and 10205 transitions. [2021-11-13 01:43:28,966 INFO L78 Accepts]: Start accepts. Automaton has 5133 states and 10205 transitions. Word has length 24 [2021-11-13 01:43:28,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:28,966 INFO L470 AbstractCegarLoop]: Abstraction has 5133 states and 10205 transitions. [2021-11-13 01:43:28,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 5133 states and 10205 transitions. [2021-11-13 01:43:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:28,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:28,968 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 01:43:28,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-11-13 01:43:28,968 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:28,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:28,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1321610566, now seen corresponding path program 54 times [2021-11-13 01:43:28,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:28,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668306189] [2021-11-13 01:43:28,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:28,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:29,375 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 01:43:29,375 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:29,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668306189] [2021-11-13 01:43:29,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668306189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:29,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:29,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:29,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861258273] [2021-11-13 01:43:29,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:29,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:29,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:29,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:29,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:29,376 INFO L87 Difference]: Start difference. First operand 5133 states and 10205 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:32,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:32,226 INFO L93 Difference]: Finished difference Result 10064 states and 19944 transitions. [2021-11-13 01:43:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:43:32,226 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:32,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:32,239 INFO L225 Difference]: With dead ends: 10064 [2021-11-13 01:43:32,239 INFO L226 Difference]: Without dead ends: 10064 [2021-11-13 01:43:32,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:43:32,239 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 654 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2147.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 3253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.44ms SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2490.07ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:32,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [654 Valid, 406 Invalid, 3253 Unknown, 0 Unchecked, 9.44ms Time], IncrementalHoareTripleChecker [123 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 2490.07ms Time] [2021-11-13 01:43:32,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10064 states. [2021-11-13 01:43:32,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10064 to 5144. [2021-11-13 01:43:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5072 states have (on average 2.016364353312303) internal successors, (10227), 5143 states have internal predecessors, (10227), 0 states have call successors, (0), 0 states 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 01:43:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 10227 transitions. [2021-11-13 01:43:32,324 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 10227 transitions. Word has length 24 [2021-11-13 01:43:32,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:32,324 INFO L470 AbstractCegarLoop]: Abstraction has 5144 states and 10227 transitions. [2021-11-13 01:43:32,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:32,324 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 10227 transitions. [2021-11-13 01:43:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:32,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:32,325 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 01:43:32,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-11-13 01:43:32,325 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:32,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2092604326, now seen corresponding path program 55 times [2021-11-13 01:43:32,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:32,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571998597] [2021-11-13 01:43:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:32,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:32,667 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 01:43:32,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:32,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571998597] [2021-11-13 01:43:32,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571998597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:32,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:32,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:32,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028786673] [2021-11-13 01:43:32,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:32,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:32,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:32,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:32,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:32,669 INFO L87 Difference]: Start difference. First operand 5144 states and 10227 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:34,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:34,660 INFO L93 Difference]: Finished difference Result 10082 states and 19980 transitions. [2021-11-13 01:43:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:43:34,661 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:34,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:34,674 INFO L225 Difference]: With dead ends: 10082 [2021-11-13 01:43:34,674 INFO L226 Difference]: Without dead ends: 10082 [2021-11-13 01:43:34,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=326, Invalid=666, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:43:34,674 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 600 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1315.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.44ms SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1533.49ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:34,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [600 Valid, 364 Invalid, 1802 Unknown, 0 Unchecked, 6.44ms Time], IncrementalHoareTripleChecker [136 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 1533.49ms Time] [2021-11-13 01:43:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10082 states. [2021-11-13 01:43:34,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10082 to 5131. [2021-11-13 01:43:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5131 states, 5059 states have (on average 2.0164064044277525) internal successors, (10201), 5130 states have internal predecessors, (10201), 0 states have call successors, (0), 0 states 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 01:43:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5131 states to 5131 states and 10201 transitions. [2021-11-13 01:43:34,761 INFO L78 Accepts]: Start accepts. Automaton has 5131 states and 10201 transitions. Word has length 24 [2021-11-13 01:43:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:34,761 INFO L470 AbstractCegarLoop]: Abstraction has 5131 states and 10201 transitions. [2021-11-13 01:43:34,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 5131 states and 10201 transitions. [2021-11-13 01:43:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:34,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:34,762 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 01:43:34,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-11-13 01:43:34,763 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:34,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1198993940, now seen corresponding path program 56 times [2021-11-13 01:43:34,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:34,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559827146] [2021-11-13 01:43:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:34,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:35,141 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 01:43:35,141 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:35,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559827146] [2021-11-13 01:43:35,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559827146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:35,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:35,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:35,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134001973] [2021-11-13 01:43:35,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:35,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:35,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:35,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:35,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:35,143 INFO L87 Difference]: Start difference. First operand 5131 states and 10201 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:38,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:38,123 INFO L93 Difference]: Finished difference Result 10098 states and 20012 transitions. [2021-11-13 01:43:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:43:38,123 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:38,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:38,135 INFO L225 Difference]: With dead ends: 10098 [2021-11-13 01:43:38,135 INFO L226 Difference]: Without dead ends: 10098 [2021-11-13 01:43:38,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=224, Invalid=532, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:43:38,136 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 554 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 3101 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2259.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 3237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.30ms SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2609.18ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:38,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 408 Invalid, 3237 Unknown, 0 Unchecked, 9.30ms Time], IncrementalHoareTripleChecker [136 Valid, 3101 Invalid, 0 Unknown, 0 Unchecked, 2609.18ms Time] [2021-11-13 01:43:38,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10098 states. [2021-11-13 01:43:38,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10098 to 5155. [2021-11-13 01:43:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5155 states, 5083 states have (on average 2.0163289396025967) internal successors, (10249), 5154 states have internal predecessors, (10249), 0 states have call successors, (0), 0 states 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 01:43:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 10249 transitions. [2021-11-13 01:43:38,220 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 10249 transitions. Word has length 24 [2021-11-13 01:43:38,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:38,220 INFO L470 AbstractCegarLoop]: Abstraction has 5155 states and 10249 transitions. [2021-11-13 01:43:38,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:38,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 10249 transitions. [2021-11-13 01:43:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:38,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:38,221 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 01:43:38,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-11-13 01:43:38,222 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:38,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:38,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2079746344, now seen corresponding path program 57 times [2021-11-13 01:43:38,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:38,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957582412] [2021-11-13 01:43:38,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:38,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:38,568 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 01:43:38,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:38,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957582412] [2021-11-13 01:43:38,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957582412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:38,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:38,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:38,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606066927] [2021-11-13 01:43:38,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:38,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:38,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:38,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:38,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:38,571 INFO L87 Difference]: Start difference. First operand 5155 states and 10249 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:42,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:42,577 INFO L93 Difference]: Finished difference Result 10122 states and 20060 transitions. [2021-11-13 01:43:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:43:42,578 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:42,591 INFO L225 Difference]: With dead ends: 10122 [2021-11-13 01:43:42,591 INFO L226 Difference]: Without dead ends: 10122 [2021-11-13 01:43:42,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=334, Invalid=722, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:43:42,592 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 576 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 4249 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2962.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 4368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.25ms SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 4249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3421.72ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:42,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 439 Invalid, 4368 Unknown, 0 Unchecked, 11.25ms Time], IncrementalHoareTripleChecker [119 Valid, 4249 Invalid, 0 Unknown, 0 Unchecked, 3421.72ms Time] [2021-11-13 01:43:42,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10122 states. [2021-11-13 01:43:42,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10122 to 5143. [2021-11-13 01:43:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5143 states, 5071 states have (on average 2.0163675803589034) internal successors, (10225), 5142 states have internal predecessors, (10225), 0 states have call successors, (0), 0 states 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 01:43:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 10225 transitions. [2021-11-13 01:43:42,677 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 10225 transitions. Word has length 24 [2021-11-13 01:43:42,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:42,677 INFO L470 AbstractCegarLoop]: Abstraction has 5143 states and 10225 transitions. [2021-11-13 01:43:42,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 10225 transitions. [2021-11-13 01:43:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:42,679 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:42,679 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 01:43:42,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-11-13 01:43:42,679 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:42,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1131233914, now seen corresponding path program 58 times [2021-11-13 01:43:42,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:42,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096124592] [2021-11-13 01:43:42,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:42,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:42,987 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 01:43:42,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:42,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096124592] [2021-11-13 01:43:42,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096124592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:42,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:42,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:42,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642977817] [2021-11-13 01:43:42,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:42,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:42,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:42,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:42,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:42,989 INFO L87 Difference]: Start difference. First operand 5143 states and 10225 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:47,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:47,078 INFO L93 Difference]: Finished difference Result 10112 states and 20040 transitions. [2021-11-13 01:43:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 01:43:47,078 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:47,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:47,092 INFO L225 Difference]: With dead ends: 10112 [2021-11-13 01:43:47,092 INFO L226 Difference]: Without dead ends: 10112 [2021-11-13 01:43:47,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=378, Invalid=812, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:43:47,093 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 607 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 4646 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3023.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 4742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.18ms SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 4646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3497.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:47,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 450 Invalid, 4742 Unknown, 0 Unchecked, 12.18ms Time], IncrementalHoareTripleChecker [96 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 3497.87ms Time] [2021-11-13 01:43:47,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10112 states. [2021-11-13 01:43:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10112 to 5144. [2021-11-13 01:43:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5072 states have (on average 2.016364353312303) internal successors, (10227), 5143 states have internal predecessors, (10227), 0 states have call successors, (0), 0 states 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 01:43:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 10227 transitions. [2021-11-13 01:43:47,178 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 10227 transitions. Word has length 24 [2021-11-13 01:43:47,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:47,178 INFO L470 AbstractCegarLoop]: Abstraction has 5144 states and 10227 transitions. [2021-11-13 01:43:47,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 10227 transitions. [2021-11-13 01:43:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:47,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:47,179 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 01:43:47,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-11-13 01:43:47,180 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:47,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:47,180 INFO L85 PathProgramCache]: Analyzing trace with hash -771060724, now seen corresponding path program 59 times [2021-11-13 01:43:47,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:47,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097606084] [2021-11-13 01:43:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:47,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:47,478 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 01:43:47,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:47,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097606084] [2021-11-13 01:43:47,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097606084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:47,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:47,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:47,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680503424] [2021-11-13 01:43:47,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:47,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:47,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:47,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:47,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:47,480 INFO L87 Difference]: Start difference. First operand 5144 states and 10227 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:51,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:51,256 INFO L93 Difference]: Finished difference Result 10116 states and 20048 transitions. [2021-11-13 01:43:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 01:43:51,256 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:51,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:51,269 INFO L225 Difference]: With dead ends: 10116 [2021-11-13 01:43:51,269 INFO L226 Difference]: Without dead ends: 10116 [2021-11-13 01:43:51,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=413, Invalid=919, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:43:51,270 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 597 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2640.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 3936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.65ms SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3055.81ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:51,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 425 Invalid, 3936 Unknown, 0 Unchecked, 10.65ms Time], IncrementalHoareTripleChecker [124 Valid, 3812 Invalid, 0 Unknown, 0 Unchecked, 3055.81ms Time] [2021-11-13 01:43:51,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10116 states. [2021-11-13 01:43:51,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10116 to 5130. [2021-11-13 01:43:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5130 states, 5058 states have (on average 2.016409648082246) internal successors, (10199), 5129 states have internal predecessors, (10199), 0 states have call successors, (0), 0 states 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 01:43:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5130 states to 5130 states and 10199 transitions. [2021-11-13 01:43:51,353 INFO L78 Accepts]: Start accepts. Automaton has 5130 states and 10199 transitions. Word has length 24 [2021-11-13 01:43:51,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:51,353 INFO L470 AbstractCegarLoop]: Abstraction has 5130 states and 10199 transitions. [2021-11-13 01:43:51,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5130 states and 10199 transitions. [2021-11-13 01:43:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:51,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:51,354 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 01:43:51,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-11-13 01:43:51,354 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:51,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:51,354 INFO L85 PathProgramCache]: Analyzing trace with hash -887657952, now seen corresponding path program 60 times [2021-11-13 01:43:51,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:51,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88797380] [2021-11-13 01:43:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:51,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:51,716 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 01:43:51,717 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:51,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88797380] [2021-11-13 01:43:51,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88797380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:51,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:51,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:51,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317845619] [2021-11-13 01:43:51,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:51,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:51,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:51,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:51,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:51,718 INFO L87 Difference]: Start difference. First operand 5130 states and 10199 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:54,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:54,746 INFO L93 Difference]: Finished difference Result 10105 states and 20026 transitions. [2021-11-13 01:43:54,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:43:54,746 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:54,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:54,759 INFO L225 Difference]: With dead ends: 10105 [2021-11-13 01:43:54,759 INFO L226 Difference]: Without dead ends: 10105 [2021-11-13 01:43:54,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:43:54,760 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 527 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 3577 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2298.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 3703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.67ms SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 3577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2662.22ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:54,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [527 Valid, 424 Invalid, 3703 Unknown, 0 Unchecked, 9.67ms Time], IncrementalHoareTripleChecker [126 Valid, 3577 Invalid, 0 Unknown, 0 Unchecked, 2662.22ms Time] [2021-11-13 01:43:54,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10105 states. [2021-11-13 01:43:54,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10105 to 5139. [2021-11-13 01:43:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 5067 states have (on average 2.01638050128281) internal successors, (10217), 5138 states have internal predecessors, (10217), 0 states have call successors, (0), 0 states 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 01:43:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 10217 transitions. [2021-11-13 01:43:54,843 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 10217 transitions. Word has length 24 [2021-11-13 01:43:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:54,843 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 10217 transitions. [2021-11-13 01:43:54,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 10217 transitions. [2021-11-13 01:43:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:54,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:54,844 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 01:43:54,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-13 01:43:54,844 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:54,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:54,844 INFO L85 PathProgramCache]: Analyzing trace with hash -6905548, now seen corresponding path program 61 times [2021-11-13 01:43:54,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:54,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567109920] [2021-11-13 01:43:54,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:54,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:55,285 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 01:43:55,285 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:55,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567109920] [2021-11-13 01:43:55,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567109920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:55,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:55,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:55,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667221819] [2021-11-13 01:43:55,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:55,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:55,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:55,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:55,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:55,287 INFO L87 Difference]: Start difference. First operand 5139 states and 10217 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:57,626 INFO L93 Difference]: Finished difference Result 10121 states and 20058 transitions. [2021-11-13 01:43:57,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:43:57,626 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:43:57,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:57,640 INFO L225 Difference]: With dead ends: 10121 [2021-11-13 01:43:57,640 INFO L226 Difference]: Without dead ends: 10121 [2021-11-13 01:43:57,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=265, Invalid=605, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:43:57,641 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 556 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1663.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.41ms SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1932.97ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:57,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 392 Invalid, 2637 Unknown, 0 Unchecked, 7.41ms Time], IncrementalHoareTripleChecker [143 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 1932.97ms Time] [2021-11-13 01:43:57,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10121 states. [2021-11-13 01:43:57,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10121 to 5127. [2021-11-13 01:43:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5127 states, 5055 states have (on average 2.0164193867457962) internal successors, (10193), 5126 states have internal predecessors, (10193), 0 states have call successors, (0), 0 states 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 01:43:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 10193 transitions. [2021-11-13 01:43:57,725 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 10193 transitions. Word has length 24 [2021-11-13 01:43:57,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:57,725 INFO L470 AbstractCegarLoop]: Abstraction has 5127 states and 10193 transitions. [2021-11-13 01:43:57,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:43:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 10193 transitions. [2021-11-13 01:43:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:43:57,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:57,726 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 01:43:57,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-13 01:43:57,726 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:43:57,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:57,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1827034604, now seen corresponding path program 62 times [2021-11-13 01:43:57,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:43:57,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552788599] [2021-11-13 01:43:57,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:57,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:43:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:58,032 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 01:43:58,032 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:43:58,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552788599] [2021-11-13 01:43:58,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552788599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:58,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:58,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:43:58,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758462965] [2021-11-13 01:43:58,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:58,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:43:58,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:43:58,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:43:58,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:43:58,034 INFO L87 Difference]: Start difference. First operand 5127 states and 10193 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:01,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:01,425 INFO L93 Difference]: Finished difference Result 10123 states and 20062 transitions. [2021-11-13 01:44:01,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:44:01,426 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:01,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:01,438 INFO L225 Difference]: With dead ends: 10123 [2021-11-13 01:44:01,438 INFO L226 Difference]: Without dead ends: 10123 [2021-11-13 01:44:01,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=386, Invalid=874, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 01:44:01,439 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 644 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 3576 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2351.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 3704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.20ms SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 3576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2731.96ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:01,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 416 Invalid, 3704 Unknown, 0 Unchecked, 10.20ms Time], IncrementalHoareTripleChecker [128 Valid, 3576 Invalid, 0 Unknown, 0 Unchecked, 2731.96ms Time] [2021-11-13 01:44:01,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10123 states. [2021-11-13 01:44:01,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10123 to 5128. [2021-11-13 01:44:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5128 states, 5056 states have (on average 2.0164161392405062) internal successors, (10195), 5127 states have internal predecessors, (10195), 0 states have call successors, (0), 0 states 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 01:44:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 10195 transitions. [2021-11-13 01:44:01,522 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 10195 transitions. Word has length 24 [2021-11-13 01:44:01,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:01,522 INFO L470 AbstractCegarLoop]: Abstraction has 5128 states and 10195 transitions. [2021-11-13 01:44:01,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 10195 transitions. [2021-11-13 01:44:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:01,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:01,523 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 01:44:01,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-13 01:44:01,523 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:01,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:01,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1466861414, now seen corresponding path program 63 times [2021-11-13 01:44:01,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:01,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233647408] [2021-11-13 01:44:01,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:01,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:01,836 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 01:44:01,836 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:01,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233647408] [2021-11-13 01:44:01,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233647408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:01,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:01,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:01,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981778222] [2021-11-13 01:44:01,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:01,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:01,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:01,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:01,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:01,841 INFO L87 Difference]: Start difference. First operand 5128 states and 10195 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:06,183 INFO L93 Difference]: Finished difference Result 10131 states and 20078 transitions. [2021-11-13 01:44:06,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:44:06,183 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:06,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:06,196 INFO L225 Difference]: With dead ends: 10131 [2021-11-13 01:44:06,196 INFO L226 Difference]: Without dead ends: 10131 [2021-11-13 01:44:06,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=421, Invalid=985, Unknown=0, NotChecked=0, Total=1406 [2021-11-13 01:44:06,197 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 619 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 4709 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3085.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 4837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.20ms SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 4709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3573.99ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:06,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 445 Invalid, 4837 Unknown, 0 Unchecked, 12.20ms Time], IncrementalHoareTripleChecker [128 Valid, 4709 Invalid, 0 Unknown, 0 Unchecked, 3573.99ms Time] [2021-11-13 01:44:06,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10131 states. [2021-11-13 01:44:06,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10131 to 5101. [2021-11-13 01:44:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5101 states, 5029 states have (on average 2.016504275203818) internal successors, (10141), 5100 states have internal predecessors, (10141), 0 states have call successors, (0), 0 states 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 01:44:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 10141 transitions. [2021-11-13 01:44:06,280 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 10141 transitions. Word has length 24 [2021-11-13 01:44:06,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:06,280 INFO L470 AbstractCegarLoop]: Abstraction has 5101 states and 10141 transitions. [2021-11-13 01:44:06,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 10141 transitions. [2021-11-13 01:44:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:06,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:06,281 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 01:44:06,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-11-13 01:44:06,281 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash 555245952, now seen corresponding path program 64 times [2021-11-13 01:44:06,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:06,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886570726] [2021-11-13 01:44:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:06,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:06,541 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 01:44:06,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:06,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886570726] [2021-11-13 01:44:06,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886570726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:06,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:06,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:06,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523185018] [2021-11-13 01:44:06,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:06,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:06,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:06,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:06,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:06,543 INFO L87 Difference]: Start difference. First operand 5101 states and 10141 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:08,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:08,832 INFO L93 Difference]: Finished difference Result 9671 states and 19149 transitions. [2021-11-13 01:44:08,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:44:08,833 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:08,845 INFO L225 Difference]: With dead ends: 9671 [2021-11-13 01:44:08,845 INFO L226 Difference]: Without dead ends: 9671 [2021-11-13 01:44:08,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:44:08,845 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 665 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 2482 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1729.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.33ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2013.26ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:08,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 462 Invalid, 2596 Unknown, 0 Unchecked, 8.33ms Time], IncrementalHoareTripleChecker [114 Valid, 2482 Invalid, 0 Unknown, 0 Unchecked, 2013.26ms Time] [2021-11-13 01:44:08,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9671 states. [2021-11-13 01:44:08,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9671 to 5094. [2021-11-13 01:44:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5094 states, 5022 states have (on average 2.01652727996814) internal successors, (10127), 5093 states have internal predecessors, (10127), 0 states have call successors, (0), 0 states 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 01:44:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 5094 states and 10127 transitions. [2021-11-13 01:44:08,927 INFO L78 Accepts]: Start accepts. Automaton has 5094 states and 10127 transitions. Word has length 24 [2021-11-13 01:44:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:08,927 INFO L470 AbstractCegarLoop]: Abstraction has 5094 states and 10127 transitions. [2021-11-13 01:44:08,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5094 states and 10127 transitions. [2021-11-13 01:44:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:08,927 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:08,928 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 01:44:08,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-11-13 01:44:08,928 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:08,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:08,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1435998356, now seen corresponding path program 65 times [2021-11-13 01:44:08,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:08,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807918111] [2021-11-13 01:44:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:08,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:09,166 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 01:44:09,166 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:09,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807918111] [2021-11-13 01:44:09,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807918111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:09,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:09,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:09,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062463528] [2021-11-13 01:44:09,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:09,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:09,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:09,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:09,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:09,167 INFO L87 Difference]: Start difference. First operand 5094 states and 10127 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:12,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:12,589 INFO L93 Difference]: Finished difference Result 9685 states and 19177 transitions. [2021-11-13 01:44:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:44:12,590 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:12,602 INFO L225 Difference]: With dead ends: 9685 [2021-11-13 01:44:12,602 INFO L226 Difference]: Without dead ends: 9685 [2021-11-13 01:44:12,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:44:12,602 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 673 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 3656 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2602.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 3782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.78ms SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 3656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3008.34ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:12,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 570 Invalid, 3782 Unknown, 0 Unchecked, 10.78ms Time], IncrementalHoareTripleChecker [126 Valid, 3656 Invalid, 0 Unknown, 0 Unchecked, 3008.34ms Time] [2021-11-13 01:44:12,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9685 states. [2021-11-13 01:44:12,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9685 to 5087. [2021-11-13 01:44:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5087 states, 5015 states have (on average 2.0165503489531407) internal successors, (10113), 5086 states have internal predecessors, (10113), 0 states have call successors, (0), 0 states 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 01:44:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 10113 transitions. [2021-11-13 01:44:12,684 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 10113 transitions. Word has length 24 [2021-11-13 01:44:12,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:12,684 INFO L470 AbstractCegarLoop]: Abstraction has 5087 states and 10113 transitions. [2021-11-13 01:44:12,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 10113 transitions. [2021-11-13 01:44:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:12,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:12,685 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 01:44:12,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-11-13 01:44:12,685 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:12,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:12,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1869627892, now seen corresponding path program 66 times [2021-11-13 01:44:12,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:12,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146473331] [2021-11-13 01:44:12,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:12,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:12,954 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 01:44:12,954 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:12,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146473331] [2021-11-13 01:44:12,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146473331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:12,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:12,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:12,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184441387] [2021-11-13 01:44:12,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:12,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:12,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:12,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:12,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:12,956 INFO L87 Difference]: Start difference. First operand 5087 states and 10113 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:15,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:15,979 INFO L93 Difference]: Finished difference Result 9692 states and 19191 transitions. [2021-11-13 01:44:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:44:15,980 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:15,992 INFO L225 Difference]: With dead ends: 9692 [2021-11-13 01:44:15,992 INFO L226 Difference]: Without dead ends: 9692 [2021-11-13 01:44:15,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=225, Invalid=531, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:44:15,992 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 622 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2197.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 3279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.68ms SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2555.24ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:15,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [622 Valid, 553 Invalid, 3279 Unknown, 0 Unchecked, 9.68ms Time], IncrementalHoareTripleChecker [141 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 2555.24ms Time] [2021-11-13 01:44:16,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9692 states. [2021-11-13 01:44:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9692 to 5088. [2021-11-13 01:44:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5088 states, 5016 states have (on average 2.0165470494417863) internal successors, (10115), 5087 states have internal predecessors, (10115), 0 states have call successors, (0), 0 states 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 01:44:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 10115 transitions. [2021-11-13 01:44:16,074 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 10115 transitions. Word has length 24 [2021-11-13 01:44:16,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:16,074 INFO L470 AbstractCegarLoop]: Abstraction has 5088 states and 10115 transitions. [2021-11-13 01:44:16,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 10115 transitions. [2021-11-13 01:44:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:16,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:16,075 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 01:44:16,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-11-13 01:44:16,075 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:16,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:16,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2065166214, now seen corresponding path program 67 times [2021-11-13 01:44:16,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:16,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725886877] [2021-11-13 01:44:16,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:16,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:16,281 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 01:44:16,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:16,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725886877] [2021-11-13 01:44:16,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725886877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:16,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:16,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:16,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239932581] [2021-11-13 01:44:16,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:16,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:16,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:16,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:16,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:16,283 INFO L87 Difference]: Start difference. First operand 5088 states and 10115 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:19,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:19,688 INFO L93 Difference]: Finished difference Result 9697 states and 19201 transitions. [2021-11-13 01:44:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:44:19,688 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:19,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:19,701 INFO L225 Difference]: With dead ends: 9697 [2021-11-13 01:44:19,701 INFO L226 Difference]: Without dead ends: 9697 [2021-11-13 01:44:19,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=240, Invalid=572, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:44:19,701 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 733 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 3796 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2469.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 3928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.89ms SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2876.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:19,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 510 Invalid, 3928 Unknown, 0 Unchecked, 10.89ms Time], IncrementalHoareTripleChecker [132 Valid, 3796 Invalid, 0 Unknown, 0 Unchecked, 2876.87ms Time] [2021-11-13 01:44:19,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9697 states. [2021-11-13 01:44:19,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9697 to 5080. [2021-11-13 01:44:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5080 states, 5008 states have (on average 2.016573482428115) internal successors, (10099), 5079 states have internal predecessors, (10099), 0 states have call successors, (0), 0 states 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 01:44:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 5080 states and 10099 transitions. [2021-11-13 01:44:19,784 INFO L78 Accepts]: Start accepts. Automaton has 5080 states and 10099 transitions. Word has length 24 [2021-11-13 01:44:19,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:19,784 INFO L470 AbstractCegarLoop]: Abstraction has 5080 states and 10099 transitions. [2021-11-13 01:44:19,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5080 states and 10099 transitions. [2021-11-13 01:44:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:19,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:19,785 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 01:44:19,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-11-13 01:44:19,785 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:19,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:19,785 INFO L85 PathProgramCache]: Analyzing trace with hash -63398188, now seen corresponding path program 68 times [2021-11-13 01:44:19,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:19,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238639447] [2021-11-13 01:44:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:19,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:19,973 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 01:44:19,973 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:19,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238639447] [2021-11-13 01:44:19,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238639447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:19,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:19,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:19,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787965237] [2021-11-13 01:44:19,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:19,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:19,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:19,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:19,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:19,974 INFO L87 Difference]: Start difference. First operand 5080 states and 10099 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:22,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:22,714 INFO L93 Difference]: Finished difference Result 9737 states and 19277 transitions. [2021-11-13 01:44:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:44:22,714 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:22,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:22,726 INFO L225 Difference]: With dead ends: 9737 [2021-11-13 01:44:22,726 INFO L226 Difference]: Without dead ends: 9737 [2021-11-13 01:44:22,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:44:22,727 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 643 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 3229 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2003.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 3356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.18ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2340.09ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:22,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [643 Valid, 560 Invalid, 3356 Unknown, 0 Unchecked, 9.18ms Time], IncrementalHoareTripleChecker [127 Valid, 3229 Invalid, 0 Unknown, 0 Unchecked, 2340.09ms Time] [2021-11-13 01:44:22,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2021-11-13 01:44:22,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 5075. [2021-11-13 01:44:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 5003 states have (on average 2.0165900459724164) internal successors, (10089), 5074 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states 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 01:44:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 10089 transitions. [2021-11-13 01:44:22,807 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 10089 transitions. Word has length 24 [2021-11-13 01:44:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:22,808 INFO L470 AbstractCegarLoop]: Abstraction has 5075 states and 10089 transitions. [2021-11-13 01:44:22,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 10089 transitions. [2021-11-13 01:44:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:22,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:22,808 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 01:44:22,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-11-13 01:44:22,809 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:22,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2029308626, now seen corresponding path program 69 times [2021-11-13 01:44:22,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:22,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279050587] [2021-11-13 01:44:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:22,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:23,012 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 01:44:23,012 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:23,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279050587] [2021-11-13 01:44:23,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279050587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:23,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:23,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:23,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213163963] [2021-11-13 01:44:23,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:23,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:23,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:23,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:23,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:23,013 INFO L87 Difference]: Start difference. First operand 5075 states and 10089 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:25,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:25,269 INFO L93 Difference]: Finished difference Result 9687 states and 19181 transitions. [2021-11-13 01:44:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:44:25,270 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:25,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:25,280 INFO L225 Difference]: With dead ends: 9687 [2021-11-13 01:44:25,281 INFO L226 Difference]: Without dead ends: 9687 [2021-11-13 01:44:25,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:44:25,281 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 578 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1567.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 2431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.49ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1829.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:25,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 530 Invalid, 2431 Unknown, 0 Unchecked, 7.49ms Time], IncrementalHoareTripleChecker [118 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 1829.27ms Time] [2021-11-13 01:44:25,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9687 states. [2021-11-13 01:44:25,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9687 to 5073. [2021-11-13 01:44:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 5001 states have (on average 2.0165966806638673) internal successors, (10085), 5072 states have internal predecessors, (10085), 0 states have call successors, (0), 0 states 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 01:44:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 10085 transitions. [2021-11-13 01:44:25,357 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 10085 transitions. Word has length 24 [2021-11-13 01:44:25,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:25,358 INFO L470 AbstractCegarLoop]: Abstraction has 5073 states and 10085 transitions. [2021-11-13 01:44:25,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 10085 transitions. [2021-11-13 01:44:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:25,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:25,358 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 01:44:25,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-11-13 01:44:25,359 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:25,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:25,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1669135436, now seen corresponding path program 70 times [2021-11-13 01:44:25,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:25,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139985742] [2021-11-13 01:44:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:25,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:25,548 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 01:44:25,549 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:25,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139985742] [2021-11-13 01:44:25,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139985742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:25,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:25,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:25,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552586943] [2021-11-13 01:44:25,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:25,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:25,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:25,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:25,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:25,550 INFO L87 Difference]: Start difference. First operand 5073 states and 10085 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:28,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:28,580 INFO L93 Difference]: Finished difference Result 9684 states and 19171 transitions. [2021-11-13 01:44:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:44:28,581 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:28,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:28,593 INFO L225 Difference]: With dead ends: 9684 [2021-11-13 01:44:28,593 INFO L226 Difference]: Without dead ends: 9684 [2021-11-13 01:44:28,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:44:28,594 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 607 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 3584 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2207.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.96ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2578.25ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:28,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 505 Invalid, 3692 Unknown, 0 Unchecked, 9.96ms Time], IncrementalHoareTripleChecker [108 Valid, 3584 Invalid, 0 Unknown, 0 Unchecked, 2578.25ms Time] [2021-11-13 01:44:28,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9684 states. [2021-11-13 01:44:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9684 to 5044. [2021-11-13 01:44:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5044 states, 4972 states have (on average 2.0158889782783587) internal successors, (10023), 5043 states have internal predecessors, (10023), 0 states have call successors, (0), 0 states 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 01:44:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5044 states to 5044 states and 10023 transitions. [2021-11-13 01:44:28,700 INFO L78 Accepts]: Start accepts. Automaton has 5044 states and 10023 transitions. Word has length 24 [2021-11-13 01:44:28,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:28,700 INFO L470 AbstractCegarLoop]: Abstraction has 5044 states and 10023 transitions. [2021-11-13 01:44:28,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5044 states and 10023 transitions. [2021-11-13 01:44:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:28,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:28,701 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 01:44:28,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-11-13 01:44:28,701 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:28,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:28,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1669387664, now seen corresponding path program 39 times [2021-11-13 01:44:28,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:28,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720073149] [2021-11-13 01:44:28,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:28,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:29,127 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 01:44:29,128 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:29,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720073149] [2021-11-13 01:44:29,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720073149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:29,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:29,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:29,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589348985] [2021-11-13 01:44:29,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:29,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:29,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:29,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:29,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:29,129 INFO L87 Difference]: Start difference. First operand 5044 states and 10023 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:32,060 INFO L93 Difference]: Finished difference Result 5427 states and 10737 transitions. [2021-11-13 01:44:32,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 01:44:32,060 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:32,066 INFO L225 Difference]: With dead ends: 5427 [2021-11-13 01:44:32,067 INFO L226 Difference]: Without dead ends: 5427 [2021-11-13 01:44:32,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2021-11-13 01:44:32,067 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 608 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 3024 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2234.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.14ms SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2574.08ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:32,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 412 Invalid, 3162 Unknown, 0 Unchecked, 9.14ms Time], IncrementalHoareTripleChecker [138 Valid, 3024 Invalid, 0 Unknown, 0 Unchecked, 2574.08ms Time] [2021-11-13 01:44:32,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5427 states. [2021-11-13 01:44:32,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5427 to 5050. [2021-11-13 01:44:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 4978 states have (on average 2.015869827239855) internal successors, (10035), 5049 states have internal predecessors, (10035), 0 states have call successors, (0), 0 states 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 01:44:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 10035 transitions. [2021-11-13 01:44:32,151 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 10035 transitions. Word has length 24 [2021-11-13 01:44:32,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:32,151 INFO L470 AbstractCegarLoop]: Abstraction has 5050 states and 10035 transitions. [2021-11-13 01:44:32,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 10035 transitions. [2021-11-13 01:44:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:32,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:32,152 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 01:44:32,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-11-13 01:44:32,153 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:32,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:32,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1888947345, now seen corresponding path program 2 times [2021-11-13 01:44:32,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:32,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937899877] [2021-11-13 01:44:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:32,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:32,279 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 01:44:32,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:32,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937899877] [2021-11-13 01:44:32,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937899877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:32,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:32,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:32,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070534054] [2021-11-13 01:44:32,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:32,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:32,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:32,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:32,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:32,281 INFO L87 Difference]: Start difference. First operand 5050 states and 10035 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:34,073 INFO L93 Difference]: Finished difference Result 8639 states and 17133 transitions. [2021-11-13 01:44:34,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:44:34,074 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:34,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:34,084 INFO L225 Difference]: With dead ends: 8639 [2021-11-13 01:44:34,085 INFO L226 Difference]: Without dead ends: 8639 [2021-11-13 01:44:34,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:44:34,085 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 633 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1393.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.72ms SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1633.97ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:34,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 496 Invalid, 2018 Unknown, 0 Unchecked, 6.72ms Time], IncrementalHoareTripleChecker [175 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 1633.97ms Time] [2021-11-13 01:44:34,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8639 states. [2021-11-13 01:44:34,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8639 to 5087. [2021-11-13 01:44:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5087 states, 5015 states have (on average 2.0165503489531407) internal successors, (10113), 5086 states have internal predecessors, (10113), 0 states have call successors, (0), 0 states 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 01:44:34,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 10113 transitions. [2021-11-13 01:44:34,162 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 10113 transitions. Word has length 24 [2021-11-13 01:44:34,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:34,163 INFO L470 AbstractCegarLoop]: Abstraction has 5087 states and 10113 transitions. [2021-11-13 01:44:34,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:34,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 10113 transitions. [2021-11-13 01:44:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:34,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:34,163 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 01:44:34,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-11-13 01:44:34,164 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:34,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:34,164 INFO L85 PathProgramCache]: Analyzing trace with hash 327017498, now seen corresponding path program 71 times [2021-11-13 01:44:34,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:34,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206071686] [2021-11-13 01:44:34,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:34,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:34,285 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 01:44:34,285 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:34,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206071686] [2021-11-13 01:44:34,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206071686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:34,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:34,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:34,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287036719] [2021-11-13 01:44:34,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:34,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:34,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:34,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:34,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:34,286 INFO L87 Difference]: Start difference. First operand 5087 states and 10113 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:35,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:35,791 INFO L93 Difference]: Finished difference Result 8496 states and 16841 transitions. [2021-11-13 01:44:35,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:44:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:35,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:35,801 INFO L225 Difference]: With dead ends: 8496 [2021-11-13 01:44:35,801 INFO L226 Difference]: Without dead ends: 8496 [2021-11-13 01:44:35,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:44:35,802 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 549 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1131.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.59ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1321.34ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:35,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 480 Invalid, 1655 Unknown, 0 Unchecked, 5.59ms Time], IncrementalHoareTripleChecker [48 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1321.34ms Time] [2021-11-13 01:44:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8496 states. [2021-11-13 01:44:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8496 to 5066. [2021-11-13 01:44:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 4994 states have (on average 2.015818982779335) internal successors, (10067), 5065 states have internal predecessors, (10067), 0 states have call successors, (0), 0 states 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 01:44:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 10067 transitions. [2021-11-13 01:44:35,876 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 10067 transitions. Word has length 24 [2021-11-13 01:44:35,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:35,876 INFO L470 AbstractCegarLoop]: Abstraction has 5066 states and 10067 transitions. [2021-11-13 01:44:35,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 10067 transitions. [2021-11-13 01:44:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:35,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:35,877 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 01:44:35,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-11-13 01:44:35,877 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:35,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1005692329, now seen corresponding path program 3 times [2021-11-13 01:44:35,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:35,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138406009] [2021-11-13 01:44:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:35,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:36,005 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 01:44:36,006 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:36,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138406009] [2021-11-13 01:44:36,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138406009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:36,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:36,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:36,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865712028] [2021-11-13 01:44:36,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:36,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:36,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:36,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:36,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:36,007 INFO L87 Difference]: Start difference. First operand 5066 states and 10067 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:37,922 INFO L93 Difference]: Finished difference Result 5512 states and 10959 transitions. [2021-11-13 01:44:37,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:44:37,922 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:37,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:37,929 INFO L225 Difference]: With dead ends: 5512 [2021-11-13 01:44:37,929 INFO L226 Difference]: Without dead ends: 5512 [2021-11-13 01:44:37,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:44:37,929 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 448 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 2135 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1489.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.63ms SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1727.38ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:37,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 352 Invalid, 2270 Unknown, 0 Unchecked, 6.63ms Time], IncrementalHoareTripleChecker [135 Valid, 2135 Invalid, 0 Unknown, 0 Unchecked, 1727.38ms Time] [2021-11-13 01:44:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2021-11-13 01:44:37,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 5061. [2021-11-13 01:44:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5061 states, 4989 states have (on average 2.015834836640609) internal successors, (10057), 5060 states have internal predecessors, (10057), 0 states have call successors, (0), 0 states 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 01:44:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5061 states to 5061 states and 10057 transitions. [2021-11-13 01:44:37,991 INFO L78 Accepts]: Start accepts. Automaton has 5061 states and 10057 transitions. Word has length 24 [2021-11-13 01:44:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:37,991 INFO L470 AbstractCegarLoop]: Abstraction has 5061 states and 10057 transitions. [2021-11-13 01:44:37,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5061 states and 10057 transitions. [2021-11-13 01:44:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:37,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:37,992 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 01:44:37,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-11-13 01:44:37,992 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:37,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:37,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1959999373, now seen corresponding path program 4 times [2021-11-13 01:44:37,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:37,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549743484] [2021-11-13 01:44:37,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:37,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:38,144 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 01:44:38,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:38,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549743484] [2021-11-13 01:44:38,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549743484] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:38,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:38,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:38,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473011034] [2021-11-13 01:44:38,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:38,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:38,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:38,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:38,146 INFO L87 Difference]: Start difference. First operand 5061 states and 10057 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:39,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:39,777 INFO L93 Difference]: Finished difference Result 5462 states and 10859 transitions. [2021-11-13 01:44:39,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:44:39,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:39,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:39,783 INFO L225 Difference]: With dead ends: 5462 [2021-11-13 01:44:39,784 INFO L226 Difference]: Without dead ends: 5462 [2021-11-13 01:44:39,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:44:39,784 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 465 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1241.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 1858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.52ms SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1449.43ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:39,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 335 Invalid, 1858 Unknown, 0 Unchecked, 5.52ms Time], IncrementalHoareTripleChecker [139 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 1449.43ms Time] [2021-11-13 01:44:39,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5462 states. [2021-11-13 01:44:39,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5462 to 5056. [2021-11-13 01:44:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 4984 states have (on average 2.0158507223113964) internal successors, (10047), 5055 states have internal predecessors, (10047), 0 states have call successors, (0), 0 states 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 01:44:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 10047 transitions. [2021-11-13 01:44:39,850 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 10047 transitions. Word has length 24 [2021-11-13 01:44:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:39,850 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 10047 transitions. [2021-11-13 01:44:39,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 10047 transitions. [2021-11-13 01:44:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:39,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:39,851 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 01:44:39,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-11-13 01:44:39,851 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:39,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1779465913, now seen corresponding path program 5 times [2021-11-13 01:44:39,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:39,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922671830] [2021-11-13 01:44:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:39,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:39,989 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 01:44:39,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:39,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922671830] [2021-11-13 01:44:39,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922671830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:39,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:39,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:39,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52971988] [2021-11-13 01:44:39,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:39,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:39,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:39,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:39,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:39,991 INFO L87 Difference]: Start difference. First operand 5056 states and 10047 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:42,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:42,008 INFO L93 Difference]: Finished difference Result 5368 states and 10671 transitions. [2021-11-13 01:44:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:44:42,008 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:42,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:42,015 INFO L225 Difference]: With dead ends: 5368 [2021-11-13 01:44:42,015 INFO L226 Difference]: Without dead ends: 5368 [2021-11-13 01:44:42,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:44:42,015 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 483 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1574.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.07ms SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1830.43ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:42,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 348 Invalid, 2230 Unknown, 0 Unchecked, 7.07ms Time], IncrementalHoareTripleChecker [147 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 1830.43ms Time] [2021-11-13 01:44:42,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2021-11-13 01:44:42,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5050. [2021-11-13 01:44:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 4978 states have (on average 2.015869827239855) internal successors, (10035), 5049 states have internal predecessors, (10035), 0 states have call successors, (0), 0 states 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 01:44:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 10035 transitions. [2021-11-13 01:44:42,098 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 10035 transitions. Word has length 24 [2021-11-13 01:44:42,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:42,099 INFO L470 AbstractCegarLoop]: Abstraction has 5050 states and 10035 transitions. [2021-11-13 01:44:42,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 10035 transitions. [2021-11-13 01:44:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:42,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:42,099 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 01:44:42,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-11-13 01:44:42,100 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:42,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:42,100 INFO L85 PathProgramCache]: Analyzing trace with hash -288938193, now seen corresponding path program 6 times [2021-11-13 01:44:42,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:42,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503221410] [2021-11-13 01:44:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:42,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:42,225 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 01:44:42,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:42,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503221410] [2021-11-13 01:44:42,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503221410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:42,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:42,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:42,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202111743] [2021-11-13 01:44:42,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:42,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:42,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:42,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:42,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:42,226 INFO L87 Difference]: Start difference. First operand 5050 states and 10035 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:44,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:44,232 INFO L93 Difference]: Finished difference Result 11565 states and 22904 transitions. [2021-11-13 01:44:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:44:44,233 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:44,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:44,248 INFO L225 Difference]: With dead ends: 11565 [2021-11-13 01:44:44,249 INFO L226 Difference]: Without dead ends: 11565 [2021-11-13 01:44:44,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:44:44,249 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 626 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 2215 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1554.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.86ms SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1821.74ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:44,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 569 Invalid, 2388 Unknown, 0 Unchecked, 7.86ms Time], IncrementalHoareTripleChecker [173 Valid, 2215 Invalid, 0 Unknown, 0 Unchecked, 1821.74ms Time] [2021-11-13 01:44:44,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11565 states. [2021-11-13 01:44:44,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11565 to 4889. [2021-11-13 01:44:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4889 states, 4819 states have (on average 2.0155633948952065) internal successors, (9713), 4888 states have internal predecessors, (9713), 0 states have call successors, (0), 0 states 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 01:44:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4889 states to 4889 states and 9713 transitions. [2021-11-13 01:44:44,339 INFO L78 Accepts]: Start accepts. Automaton has 4889 states and 9713 transitions. Word has length 24 [2021-11-13 01:44:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:44,339 INFO L470 AbstractCegarLoop]: Abstraction has 4889 states and 9713 transitions. [2021-11-13 01:44:44,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4889 states and 9713 transitions. [2021-11-13 01:44:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:44,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:44,340 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 01:44:44,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-11-13 01:44:44,341 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:44,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:44,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1927026650, now seen corresponding path program 72 times [2021-11-13 01:44:44,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:44,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993935167] [2021-11-13 01:44:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:44,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:44,469 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 01:44:44,469 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:44,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993935167] [2021-11-13 01:44:44,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993935167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:44,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:44,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:44,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342339472] [2021-11-13 01:44:44,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:44,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:44,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:44,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:44,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:44,471 INFO L87 Difference]: Start difference. First operand 4889 states and 9713 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:46,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:46,220 INFO L93 Difference]: Finished difference Result 11360 states and 22487 transitions. [2021-11-13 01:44:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:44:46,229 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:46,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:46,244 INFO L225 Difference]: With dead ends: 11360 [2021-11-13 01:44:46,244 INFO L226 Difference]: Without dead ends: 11360 [2021-11-13 01:44:46,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:44:46,245 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 558 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1339.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.18ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1554.14ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:46,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [558 Valid, 543 Invalid, 1868 Unknown, 0 Unchecked, 6.18ms Time], IncrementalHoareTripleChecker [56 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1554.14ms Time] [2021-11-13 01:44:46,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11360 states. [2021-11-13 01:44:46,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11360 to 4837. [2021-11-13 01:44:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 4767 states have (on average 2.0146842878120412) internal successors, (9604), 4836 states have internal predecessors, (9604), 0 states have call successors, (0), 0 states 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 01:44:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 9604 transitions. [2021-11-13 01:44:46,331 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 9604 transitions. Word has length 24 [2021-11-13 01:44:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:46,331 INFO L470 AbstractCegarLoop]: Abstraction has 4837 states and 9604 transitions. [2021-11-13 01:44:46,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 9604 transitions. [2021-11-13 01:44:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:46,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:46,332 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 01:44:46,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-11-13 01:44:46,332 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:46,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:46,332 INFO L85 PathProgramCache]: Analyzing trace with hash -639487958, now seen corresponding path program 73 times [2021-11-13 01:44:46,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:46,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220711893] [2021-11-13 01:44:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:46,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:46,486 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 01:44:46,486 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:46,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220711893] [2021-11-13 01:44:46,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220711893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:46,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:46,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:46,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276766614] [2021-11-13 01:44:46,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:46,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:46,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:46,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:46,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:46,487 INFO L87 Difference]: Start difference. First operand 4837 states and 9604 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:48,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:48,084 INFO L93 Difference]: Finished difference Result 8234 states and 16312 transitions. [2021-11-13 01:44:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:44:48,084 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:48,095 INFO L225 Difference]: With dead ends: 8234 [2021-11-13 01:44:48,095 INFO L226 Difference]: Without dead ends: 8234 [2021-11-13 01:44:48,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:44:48,095 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 405 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1184.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.77ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1382.38ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:48,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 364 Invalid, 1866 Unknown, 0 Unchecked, 5.77ms Time], IncrementalHoareTripleChecker [47 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 1382.38ms Time] [2021-11-13 01:44:48,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8234 states. [2021-11-13 01:44:48,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8234 to 4830. [2021-11-13 01:44:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4830 states, 4760 states have (on average 2.014705882352941) internal successors, (9590), 4829 states have internal predecessors, (9590), 0 states have call successors, (0), 0 states 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 01:44:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 9590 transitions. [2021-11-13 01:44:48,192 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 9590 transitions. Word has length 24 [2021-11-13 01:44:48,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:48,192 INFO L470 AbstractCegarLoop]: Abstraction has 4830 states and 9590 transitions. [2021-11-13 01:44:48,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:48,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 9590 transitions. [2021-11-13 01:44:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:48,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:48,193 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 01:44:48,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-11-13 01:44:48,193 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:48,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:48,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1689568900, now seen corresponding path program 74 times [2021-11-13 01:44:48,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:48,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099847994] [2021-11-13 01:44:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:48,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:48,340 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 01:44:48,340 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:48,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099847994] [2021-11-13 01:44:48,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099847994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:48,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:48,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:48,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502299736] [2021-11-13 01:44:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:48,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:48,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:48,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:48,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:48,341 INFO L87 Difference]: Start difference. First operand 4830 states and 9590 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:50,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:50,088 INFO L93 Difference]: Finished difference Result 8220 states and 16284 transitions. [2021-11-13 01:44:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:44:50,088 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:50,099 INFO L225 Difference]: With dead ends: 8220 [2021-11-13 01:44:50,099 INFO L226 Difference]: Without dead ends: 8220 [2021-11-13 01:44:50,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:44:50,099 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 443 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1328.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.08ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1542.88ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:50,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 365 Invalid, 1841 Unknown, 0 Unchecked, 6.08ms Time], IncrementalHoareTripleChecker [30 Valid, 1811 Invalid, 0 Unknown, 0 Unchecked, 1542.88ms Time] [2021-11-13 01:44:50,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8220 states. [2021-11-13 01:44:50,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8220 to 4828. [2021-11-13 01:44:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4828 states, 4758 states have (on average 2.0147120638923917) internal successors, (9586), 4827 states have internal predecessors, (9586), 0 states have call successors, (0), 0 states 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 01:44:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4828 states to 4828 states and 9586 transitions. [2021-11-13 01:44:50,171 INFO L78 Accepts]: Start accepts. Automaton has 4828 states and 9586 transitions. Word has length 24 [2021-11-13 01:44:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:50,171 INFO L470 AbstractCegarLoop]: Abstraction has 4828 states and 9586 transitions. [2021-11-13 01:44:50,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 9586 transitions. [2021-11-13 01:44:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:50,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:50,172 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 01:44:50,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-11-13 01:44:50,172 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:50,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:50,173 INFO L85 PathProgramCache]: Analyzing trace with hash 2049742090, now seen corresponding path program 75 times [2021-11-13 01:44:50,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:50,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975233901] [2021-11-13 01:44:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:50,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:50,315 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 01:44:50,315 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:50,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975233901] [2021-11-13 01:44:50,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975233901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:50,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:50,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 01:44:50,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743424553] [2021-11-13 01:44:50,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:50,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 01:44:50,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:50,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 01:44:50,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:44:50,317 INFO L87 Difference]: Start difference. First operand 4828 states and 9586 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:52,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:52,268 INFO L93 Difference]: Finished difference Result 8214 states and 16272 transitions. [2021-11-13 01:44:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:44:52,269 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 01:44:52,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:52,278 INFO L225 Difference]: With dead ends: 8214 [2021-11-13 01:44:52,279 INFO L226 Difference]: Without dead ends: 8214 [2021-11-13 01:44:52,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:44:52,279 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 420 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1467.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.68ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1709.68ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:52,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [420 Valid, 377 Invalid, 2253 Unknown, 0 Unchecked, 6.68ms Time], IncrementalHoareTripleChecker [37 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 1709.68ms Time] [2021-11-13 01:44:52,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8214 states. [2021-11-13 01:44:52,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8214 to 4798. [2021-11-13 01:44:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4798 states, 4728 states have (on average 2.0148054145516077) internal successors, (9526), 4797 states have internal predecessors, (9526), 0 states have call successors, (0), 0 states 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 01:44:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 9526 transitions. [2021-11-13 01:44:52,350 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 9526 transitions. Word has length 24 [2021-11-13 01:44:52,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:52,350 INFO L470 AbstractCegarLoop]: Abstraction has 4798 states and 9526 transitions. [2021-11-13 01:44:52,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 9526 transitions. [2021-11-13 01:44:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:52,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:52,351 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 01:44:52,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-11-13 01:44:52,351 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:52,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1347467148, now seen corresponding path program 40 times [2021-11-13 01:44:52,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:52,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043215519] [2021-11-13 01:44:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:52,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:52,768 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 01:44:52,769 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:52,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043215519] [2021-11-13 01:44:52,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043215519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:52,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:52,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:52,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601161622] [2021-11-13 01:44:52,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:52,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:52,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:52,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:52,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:52,770 INFO L87 Difference]: Start difference. First operand 4798 states and 9526 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:55,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:55,732 INFO L93 Difference]: Finished difference Result 5203 states and 10284 transitions. [2021-11-13 01:44:55,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 01:44:55,732 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:55,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:55,738 INFO L225 Difference]: With dead ends: 5203 [2021-11-13 01:44:55,738 INFO L226 Difference]: Without dead ends: 5203 [2021-11-13 01:44:55,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=526, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:44:55,739 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 584 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 3025 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2167.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 3141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.18ms SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2503.62ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:55,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 406 Invalid, 3141 Unknown, 0 Unchecked, 9.18ms Time], IncrementalHoareTripleChecker [116 Valid, 3025 Invalid, 0 Unknown, 0 Unchecked, 2503.62ms Time] [2021-11-13 01:44:55,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states. [2021-11-13 01:44:55,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 4808. [2021-11-13 01:44:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4808 states, 4738 states have (on average 2.0147741663149006) internal successors, (9546), 4807 states have internal predecessors, (9546), 0 states have call successors, (0), 0 states 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 01:44:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4808 states to 4808 states and 9546 transitions. [2021-11-13 01:44:55,795 INFO L78 Accepts]: Start accepts. Automaton has 4808 states and 9546 transitions. Word has length 24 [2021-11-13 01:44:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:55,795 INFO L470 AbstractCegarLoop]: Abstraction has 4808 states and 9546 transitions. [2021-11-13 01:44:55,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 4808 states and 9546 transitions. [2021-11-13 01:44:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:55,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:55,796 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 01:44:55,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-11-13 01:44:55,796 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:55,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:55,796 INFO L85 PathProgramCache]: Analyzing trace with hash 525794372, now seen corresponding path program 41 times [2021-11-13 01:44:55,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:55,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642124803] [2021-11-13 01:44:55,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:55,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:56,160 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 01:44:56,160 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:56,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642124803] [2021-11-13 01:44:56,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642124803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:56,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:56,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:44:56,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543721250] [2021-11-13 01:44:56,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:56,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:44:56,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:56,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:44:56,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:44:56,161 INFO L87 Difference]: Start difference. First operand 4808 states and 9546 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:59,649 INFO L93 Difference]: Finished difference Result 5205 states and 10287 transitions. [2021-11-13 01:44:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 01:44:59,649 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:44:59,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:59,655 INFO L225 Difference]: With dead ends: 5205 [2021-11-13 01:44:59,655 INFO L226 Difference]: Without dead ends: 5205 [2021-11-13 01:44:59,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=286, Invalid=644, Unknown=0, NotChecked=0, Total=930 [2021-11-13 01:44:59,655 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 549 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3569 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2612.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.77ms SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3005.37ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:59,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 431 Invalid, 3667 Unknown, 0 Unchecked, 9.77ms Time], IncrementalHoareTripleChecker [98 Valid, 3569 Invalid, 0 Unknown, 0 Unchecked, 3005.37ms Time] [2021-11-13 01:44:59,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5205 states. [2021-11-13 01:44:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5205 to 4809. [2021-11-13 01:44:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4809 states, 4739 states have (on average 2.014771048744461) internal successors, (9548), 4808 states have internal predecessors, (9548), 0 states have call successors, (0), 0 states 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 01:44:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 4809 states and 9548 transitions. [2021-11-13 01:44:59,712 INFO L78 Accepts]: Start accepts. Automaton has 4809 states and 9548 transitions. Word has length 24 [2021-11-13 01:44:59,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:59,712 INFO L470 AbstractCegarLoop]: Abstraction has 4809 states and 9548 transitions. [2021-11-13 01:44:59,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:44:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4809 states and 9548 transitions. [2021-11-13 01:44:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:44:59,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:59,713 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 01:44:59,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-11-13 01:44:59,713 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:44:59,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:59,713 INFO L85 PathProgramCache]: Analyzing trace with hash 531473882, now seen corresponding path program 42 times [2021-11-13 01:44:59,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:59,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500984937] [2021-11-13 01:44:59,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:59,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:00,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:45:00,072 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:00,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500984937] [2021-11-13 01:45:00,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500984937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:00,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:00,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:00,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18540923] [2021-11-13 01:45:00,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:00,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:00,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:00,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:00,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:00,073 INFO L87 Difference]: Start difference. First operand 4809 states and 9548 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:03,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:03,645 INFO L93 Difference]: Finished difference Result 5216 states and 10309 transitions. [2021-11-13 01:45:03,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:45:03,645 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:03,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:03,651 INFO L225 Difference]: With dead ends: 5216 [2021-11-13 01:45:03,651 INFO L226 Difference]: Without dead ends: 5216 [2021-11-13 01:45:03,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=326, Invalid=730, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:45:03,651 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 551 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 3549 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2542.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 3650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.24ms SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2936.64ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:03,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [551 Valid, 427 Invalid, 3650 Unknown, 0 Unchecked, 10.24ms Time], IncrementalHoareTripleChecker [101 Valid, 3549 Invalid, 0 Unknown, 0 Unchecked, 2936.64ms Time] [2021-11-13 01:45:03,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5216 states. [2021-11-13 01:45:03,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5216 to 4796. [2021-11-13 01:45:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4796 states, 4726 states have (on average 2.0148116800677105) internal successors, (9522), 4795 states have internal predecessors, (9522), 0 states have call successors, (0), 0 states 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 01:45:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4796 states to 4796 states and 9522 transitions. [2021-11-13 01:45:03,708 INFO L78 Accepts]: Start accepts. Automaton has 4796 states and 9522 transitions. Word has length 24 [2021-11-13 01:45:03,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:03,709 INFO L470 AbstractCegarLoop]: Abstraction has 4796 states and 9522 transitions. [2021-11-13 01:45:03,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 4796 states and 9522 transitions. [2021-11-13 01:45:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:03,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:03,709 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 01:45:03,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-11-13 01:45:03,710 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:03,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:03,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1986719502, now seen corresponding path program 43 times [2021-11-13 01:45:03,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:03,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600952691] [2021-11-13 01:45:03,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:03,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:04,154 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 01:45:04,155 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:04,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600952691] [2021-11-13 01:45:04,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600952691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:04,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:04,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:04,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40163063] [2021-11-13 01:45:04,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:04,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:04,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:04,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:04,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:04,156 INFO L87 Difference]: Start difference. First operand 4796 states and 9522 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:06,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:06,567 INFO L93 Difference]: Finished difference Result 5214 states and 10307 transitions. [2021-11-13 01:45:06,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 01:45:06,567 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:06,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:06,572 INFO L225 Difference]: With dead ends: 5214 [2021-11-13 01:45:06,573 INFO L226 Difference]: Without dead ends: 5214 [2021-11-13 01:45:06,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:45:06,573 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 576 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1692.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.37ms SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1952.52ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:06,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 377 Invalid, 2456 Unknown, 0 Unchecked, 7.37ms Time], IncrementalHoareTripleChecker [154 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 1952.52ms Time] [2021-11-13 01:45:06,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2021-11-13 01:45:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 4820. [2021-11-13 01:45:06,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4820 states, 4750 states have (on average 2.014736842105263) internal successors, (9570), 4819 states have internal predecessors, (9570), 0 states have call successors, (0), 0 states 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 01:45:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 9570 transitions. [2021-11-13 01:45:06,629 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 9570 transitions. Word has length 24 [2021-11-13 01:45:06,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:06,630 INFO L470 AbstractCegarLoop]: Abstraction has 4820 states and 9570 transitions. [2021-11-13 01:45:06,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 9570 transitions. [2021-11-13 01:45:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:06,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:06,630 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 01:45:06,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-11-13 01:45:06,631 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:06,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:06,631 INFO L85 PathProgramCache]: Analyzing trace with hash -434986274, now seen corresponding path program 44 times [2021-11-13 01:45:06,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:06,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607323349] [2021-11-13 01:45:06,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:06,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:06,989 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 01:45:06,989 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:06,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607323349] [2021-11-13 01:45:06,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607323349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:06,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:06,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:06,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114747714] [2021-11-13 01:45:06,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:06,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:06,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:06,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:06,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:06,990 INFO L87 Difference]: Start difference. First operand 4820 states and 9570 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:10,949 INFO L93 Difference]: Finished difference Result 5227 states and 10331 transitions. [2021-11-13 01:45:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:45:10,950 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:10,955 INFO L225 Difference]: With dead ends: 5227 [2021-11-13 01:45:10,955 INFO L226 Difference]: Without dead ends: 5227 [2021-11-13 01:45:10,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=295, Invalid=697, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:45:10,956 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 556 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 3994 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2880.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 4102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.99ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3315.32ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:10,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 438 Invalid, 4102 Unknown, 0 Unchecked, 10.99ms Time], IncrementalHoareTripleChecker [108 Valid, 3994 Invalid, 0 Unknown, 0 Unchecked, 3315.32ms Time] [2021-11-13 01:45:10,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2021-11-13 01:45:11,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 4821. [2021-11-13 01:45:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4821 states, 4751 states have (on average 2.0147337402652075) internal successors, (9572), 4820 states have internal predecessors, (9572), 0 states have call successors, (0), 0 states 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 01:45:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 9572 transitions. [2021-11-13 01:45:11,012 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 9572 transitions. Word has length 24 [2021-11-13 01:45:11,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:11,012 INFO L470 AbstractCegarLoop]: Abstraction has 4821 states and 9572 transitions. [2021-11-13 01:45:11,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 9572 transitions. [2021-11-13 01:45:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:11,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:11,013 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 01:45:11,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-11-13 01:45:11,013 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:11,014 INFO L85 PathProgramCache]: Analyzing trace with hash -429306764, now seen corresponding path program 45 times [2021-11-13 01:45:11,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:11,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607582451] [2021-11-13 01:45:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:11,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:11,380 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 01:45:11,380 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:11,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607582451] [2021-11-13 01:45:11,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607582451] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:11,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:11,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:11,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473865743] [2021-11-13 01:45:11,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:11,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:11,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:11,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:11,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:11,381 INFO L87 Difference]: Start difference. First operand 4821 states and 9572 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:15,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:15,099 INFO L93 Difference]: Finished difference Result 5239 states and 10355 transitions. [2021-11-13 01:45:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:45:15,099 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:15,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:15,105 INFO L225 Difference]: With dead ends: 5239 [2021-11-13 01:45:15,105 INFO L226 Difference]: Without dead ends: 5239 [2021-11-13 01:45:15,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:45:15,106 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 561 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2583.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 3746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.11ms SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2983.61ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:15,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 427 Invalid, 3746 Unknown, 0 Unchecked, 10.11ms Time], IncrementalHoareTripleChecker [129 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 2983.61ms Time] [2021-11-13 01:45:15,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5239 states. [2021-11-13 01:45:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5239 to 4806. [2021-11-13 01:45:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 4736 states have (on average 2.0147804054054053) internal successors, (9542), 4805 states have internal predecessors, (9542), 0 states have call successors, (0), 0 states 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 01:45:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 9542 transitions. [2021-11-13 01:45:15,165 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 9542 transitions. Word has length 24 [2021-11-13 01:45:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:15,165 INFO L470 AbstractCegarLoop]: Abstraction has 4806 states and 9542 transitions. [2021-11-13 01:45:15,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 9542 transitions. [2021-11-13 01:45:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:15,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:15,166 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 01:45:15,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-11-13 01:45:15,166 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:15,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:15,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1141035122, now seen corresponding path program 46 times [2021-11-13 01:45:15,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:15,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906708982] [2021-11-13 01:45:15,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:15,480 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 01:45:15,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:15,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906708982] [2021-11-13 01:45:15,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906708982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:15,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:15,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:15,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839293560] [2021-11-13 01:45:15,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:15,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:15,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:15,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:15,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:15,481 INFO L87 Difference]: Start difference. First operand 4806 states and 9542 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:18,941 INFO L93 Difference]: Finished difference Result 5222 states and 10320 transitions. [2021-11-13 01:45:18,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 01:45:18,941 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:18,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:18,947 INFO L225 Difference]: With dead ends: 5222 [2021-11-13 01:45:18,947 INFO L226 Difference]: Without dead ends: 5222 [2021-11-13 01:45:18,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=301, Invalid=691, Unknown=0, NotChecked=0, Total=992 [2021-11-13 01:45:18,948 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 514 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 3846 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2522.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 3926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.43ms SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 3846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2918.47ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:18,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [514 Valid, 430 Invalid, 3926 Unknown, 0 Unchecked, 10.43ms Time], IncrementalHoareTripleChecker [80 Valid, 3846 Invalid, 0 Unknown, 0 Unchecked, 2918.47ms Time] [2021-11-13 01:45:18,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5222 states. [2021-11-13 01:45:18,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5222 to 4808. [2021-11-13 01:45:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4808 states, 4738 states have (on average 2.0147741663149006) internal successors, (9546), 4807 states have internal predecessors, (9546), 0 states have call successors, (0), 0 states 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 01:45:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4808 states to 4808 states and 9546 transitions. [2021-11-13 01:45:19,006 INFO L78 Accepts]: Start accepts. Automaton has 4808 states and 9546 transitions. Word has length 24 [2021-11-13 01:45:19,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:19,006 INFO L470 AbstractCegarLoop]: Abstraction has 4808 states and 9546 transitions. [2021-11-13 01:45:19,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4808 states and 9546 transitions. [2021-11-13 01:45:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:19,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:19,007 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 01:45:19,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-11-13 01:45:19,007 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:19,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:19,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1135355612, now seen corresponding path program 47 times [2021-11-13 01:45:19,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:19,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374479041] [2021-11-13 01:45:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:19,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:19,322 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 01:45:19,322 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:19,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374479041] [2021-11-13 01:45:19,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374479041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:19,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:19,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:19,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104466009] [2021-11-13 01:45:19,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:19,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:19,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:19,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:19,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:19,323 INFO L87 Difference]: Start difference. First operand 4808 states and 9546 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:22,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:22,954 INFO L93 Difference]: Finished difference Result 5249 states and 10374 transitions. [2021-11-13 01:45:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:45:22,955 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:22,960 INFO L225 Difference]: With dead ends: 5249 [2021-11-13 01:45:22,961 INFO L226 Difference]: Without dead ends: 5249 [2021-11-13 01:45:22,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=341, Invalid=781, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:45:22,961 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 520 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 3679 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2596.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 3783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.97ms SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2986.77ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:22,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 433 Invalid, 3783 Unknown, 0 Unchecked, 9.97ms Time], IncrementalHoareTripleChecker [104 Valid, 3679 Invalid, 0 Unknown, 0 Unchecked, 2986.77ms Time] [2021-11-13 01:45:22,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2021-11-13 01:45:23,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 4807. [2021-11-13 01:45:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4807 states, 4737 states have (on average 2.0147772852016046) internal successors, (9544), 4806 states have internal predecessors, (9544), 0 states have call successors, (0), 0 states 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 01:45:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4807 states to 4807 states and 9544 transitions. [2021-11-13 01:45:23,020 INFO L78 Accepts]: Start accepts. Automaton has 4807 states and 9544 transitions. Word has length 24 [2021-11-13 01:45:23,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:23,020 INFO L470 AbstractCegarLoop]: Abstraction has 4807 states and 9544 transitions. [2021-11-13 01:45:23,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 4807 states and 9544 transitions. [2021-11-13 01:45:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:23,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:23,021 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 01:45:23,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-11-13 01:45:23,022 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:23,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:23,022 INFO L85 PathProgramCache]: Analyzing trace with hash -958397072, now seen corresponding path program 48 times [2021-11-13 01:45:23,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:23,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731243026] [2021-11-13 01:45:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:23,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:45:23,361 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:23,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731243026] [2021-11-13 01:45:23,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731243026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:23,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:23,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:23,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857574988] [2021-11-13 01:45:23,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:23,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:23,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:23,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:23,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:23,362 INFO L87 Difference]: Start difference. First operand 4807 states and 9544 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:26,713 INFO L93 Difference]: Finished difference Result 5271 states and 10418 transitions. [2021-11-13 01:45:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:45:26,714 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:26,719 INFO L225 Difference]: With dead ends: 5271 [2021-11-13 01:45:26,719 INFO L226 Difference]: Without dead ends: 5271 [2021-11-13 01:45:26,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=337, Invalid=785, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:45:26,720 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 520 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 3310 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2356.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.33ms SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2713.54ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:26,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 425 Invalid, 3414 Unknown, 0 Unchecked, 9.33ms Time], IncrementalHoareTripleChecker [104 Valid, 3310 Invalid, 0 Unknown, 0 Unchecked, 2713.54ms Time] [2021-11-13 01:45:26,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5271 states. [2021-11-13 01:45:26,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5271 to 4794. [2021-11-13 01:45:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 4724 states have (on average 2.014817950889077) internal successors, (9518), 4793 states have internal predecessors, (9518), 0 states have call successors, (0), 0 states 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 01:45:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 9518 transitions. [2021-11-13 01:45:26,777 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 9518 transitions. Word has length 24 [2021-11-13 01:45:26,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:26,777 INFO L470 AbstractCegarLoop]: Abstraction has 4794 states and 9518 transitions. [2021-11-13 01:45:26,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 9518 transitions. [2021-11-13 01:45:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:26,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:26,777 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 01:45:26,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-11-13 01:45:26,778 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:26,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:26,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1875076266, now seen corresponding path program 49 times [2021-11-13 01:45:26,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:26,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797037361] [2021-11-13 01:45:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:26,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:27,186 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 01:45:27,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:27,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797037361] [2021-11-13 01:45:27,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797037361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:27,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:27,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:27,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859818929] [2021-11-13 01:45:27,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:27,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:27,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:27,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:27,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:27,187 INFO L87 Difference]: Start difference. First operand 4794 states and 9518 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:30,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:30,143 INFO L93 Difference]: Finished difference Result 5240 states and 10359 transitions. [2021-11-13 01:45:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 01:45:30,143 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:30,149 INFO L225 Difference]: With dead ends: 5240 [2021-11-13 01:45:30,149 INFO L226 Difference]: Without dead ends: 5240 [2021-11-13 01:45:30,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2021-11-13 01:45:30,150 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 509 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 3249 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2181.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 3358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.81ms SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 3249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2507.67ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:30,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 404 Invalid, 3358 Unknown, 0 Unchecked, 8.81ms Time], IncrementalHoareTripleChecker [109 Valid, 3249 Invalid, 0 Unknown, 0 Unchecked, 2507.67ms Time] [2021-11-13 01:45:30,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2021-11-13 01:45:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 4830. [2021-11-13 01:45:30,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4830 states, 4760 states have (on average 2.014705882352941) internal successors, (9590), 4829 states have internal predecessors, (9590), 0 states have call successors, (0), 0 states 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 01:45:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 9590 transitions. [2021-11-13 01:45:30,213 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 9590 transitions. Word has length 24 [2021-11-13 01:45:30,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:30,213 INFO L470 AbstractCegarLoop]: Abstraction has 4830 states and 9590 transitions. [2021-11-13 01:45:30,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 9590 transitions. [2021-11-13 01:45:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:30,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:30,214 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 01:45:30,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-11-13 01:45:30,214 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1814746, now seen corresponding path program 50 times [2021-11-13 01:45:30,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:30,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286513969] [2021-11-13 01:45:30,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:30,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:30,570 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 01:45:30,570 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:30,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286513969] [2021-11-13 01:45:30,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286513969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:30,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:30,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:30,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6792187] [2021-11-13 01:45:30,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:30,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:30,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:30,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:30,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:30,571 INFO L87 Difference]: Start difference. First operand 4830 states and 9590 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:33,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:33,525 INFO L93 Difference]: Finished difference Result 5252 states and 10383 transitions. [2021-11-13 01:45:33,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:45:33,525 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:33,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:33,530 INFO L225 Difference]: With dead ends: 5252 [2021-11-13 01:45:33,530 INFO L226 Difference]: Without dead ends: 5252 [2021-11-13 01:45:33,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:45:33,531 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 545 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 3060 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2091.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 3198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.81ms SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2418.63ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:33,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [545 Valid, 398 Invalid, 3198 Unknown, 0 Unchecked, 8.81ms Time], IncrementalHoareTripleChecker [138 Valid, 3060 Invalid, 0 Unknown, 0 Unchecked, 2418.63ms Time] [2021-11-13 01:45:33,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2021-11-13 01:45:33,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 4831. [2021-11-13 01:45:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4831 states, 4761 states have (on average 2.0147027935307706) internal successors, (9592), 4830 states have internal predecessors, (9592), 0 states have call successors, (0), 0 states 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 01:45:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 4831 states and 9592 transitions. [2021-11-13 01:45:33,587 INFO L78 Accepts]: Start accepts. Automaton has 4831 states and 9592 transitions. Word has length 24 [2021-11-13 01:45:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:33,588 INFO L470 AbstractCegarLoop]: Abstraction has 4831 states and 9592 transitions. [2021-11-13 01:45:33,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4831 states and 9592 transitions. [2021-11-13 01:45:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:33,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:33,588 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 01:45:33,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-11-13 01:45:33,589 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:33,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:33,589 INFO L85 PathProgramCache]: Analyzing trace with hash 3864764, now seen corresponding path program 51 times [2021-11-13 01:45:33,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:33,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131199772] [2021-11-13 01:45:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:33,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:33,943 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 01:45:33,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:33,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131199772] [2021-11-13 01:45:33,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131199772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:33,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:33,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:33,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162334618] [2021-11-13 01:45:33,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:33,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:33,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:33,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:33,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:33,945 INFO L87 Difference]: Start difference. First operand 4831 states and 9592 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:36,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:36,984 INFO L93 Difference]: Finished difference Result 5255 states and 10389 transitions. [2021-11-13 01:45:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:45:36,984 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:36,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:36,990 INFO L225 Difference]: With dead ends: 5255 [2021-11-13 01:45:36,990 INFO L226 Difference]: Without dead ends: 5255 [2021-11-13 01:45:36,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:45:36,991 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 551 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 3240 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2142.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 3384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.01ms SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 3240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2480.28ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:36,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [551 Valid, 409 Invalid, 3384 Unknown, 0 Unchecked, 9.01ms Time], IncrementalHoareTripleChecker [144 Valid, 3240 Invalid, 0 Unknown, 0 Unchecked, 2480.28ms Time] [2021-11-13 01:45:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2021-11-13 01:45:37,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 4818. [2021-11-13 01:45:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4818 states, 4748 states have (on average 2.014743049705139) internal successors, (9566), 4817 states have internal predecessors, (9566), 0 states have call successors, (0), 0 states 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 01:45:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 9566 transitions. [2021-11-13 01:45:37,071 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 9566 transitions. Word has length 24 [2021-11-13 01:45:37,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:37,071 INFO L470 AbstractCegarLoop]: Abstraction has 4818 states and 9566 transitions. [2021-11-13 01:45:37,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 9566 transitions. [2021-11-13 01:45:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:37,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:37,072 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 01:45:37,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-11-13 01:45:37,072 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:37,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:37,072 INFO L85 PathProgramCache]: Analyzing trace with hash -707863594, now seen corresponding path program 52 times [2021-11-13 01:45:37,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:37,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465481721] [2021-11-13 01:45:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:37,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:37,386 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 01:45:37,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:37,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465481721] [2021-11-13 01:45:37,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465481721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:37,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:37,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:37,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927524293] [2021-11-13 01:45:37,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:37,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:37,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:37,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:37,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:37,388 INFO L87 Difference]: Start difference. First operand 4818 states and 9566 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:40,807 INFO L93 Difference]: Finished difference Result 5254 states and 10384 transitions. [2021-11-13 01:45:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:45:40,807 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:40,814 INFO L225 Difference]: With dead ends: 5254 [2021-11-13 01:45:40,814 INFO L226 Difference]: Without dead ends: 5254 [2021-11-13 01:45:40,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:45:40,814 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 522 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3698 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2398.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 3806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.34ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2773.28ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:40,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 426 Invalid, 3806 Unknown, 0 Unchecked, 10.34ms Time], IncrementalHoareTripleChecker [108 Valid, 3698 Invalid, 0 Unknown, 0 Unchecked, 2773.28ms Time] [2021-11-13 01:45:40,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5254 states. [2021-11-13 01:45:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5254 to 4820. [2021-11-13 01:45:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4820 states, 4750 states have (on average 2.014736842105263) internal successors, (9570), 4819 states have internal predecessors, (9570), 0 states have call successors, (0), 0 states 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 01:45:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 9570 transitions. [2021-11-13 01:45:40,894 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 9570 transitions. Word has length 24 [2021-11-13 01:45:40,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:40,894 INFO L470 AbstractCegarLoop]: Abstraction has 4820 states and 9570 transitions. [2021-11-13 01:45:40,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 9570 transitions. [2021-11-13 01:45:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:40,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:40,895 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 01:45:40,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-11-13 01:45:40,895 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:40,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:40,895 INFO L85 PathProgramCache]: Analyzing trace with hash -702184084, now seen corresponding path program 53 times [2021-11-13 01:45:40,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:40,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456903820] [2021-11-13 01:45:40,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:40,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:41,231 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 01:45:41,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:41,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456903820] [2021-11-13 01:45:41,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456903820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:41,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:41,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:41,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6222292] [2021-11-13 01:45:41,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:41,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:41,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:41,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:41,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:41,232 INFO L87 Difference]: Start difference. First operand 4820 states and 9570 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:45,027 INFO L93 Difference]: Finished difference Result 5274 states and 10424 transitions. [2021-11-13 01:45:45,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:45:45,028 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:45,033 INFO L225 Difference]: With dead ends: 5274 [2021-11-13 01:45:45,033 INFO L226 Difference]: Without dead ends: 5274 [2021-11-13 01:45:45,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=349, Invalid=841, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:45:45,033 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 528 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 3756 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2648.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.46ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3048.39ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:45,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [528 Valid, 430 Invalid, 3874 Unknown, 0 Unchecked, 10.46ms Time], IncrementalHoareTripleChecker [118 Valid, 3756 Invalid, 0 Unknown, 0 Unchecked, 3048.39ms Time] [2021-11-13 01:45:45,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5274 states. [2021-11-13 01:45:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5274 to 4819. [2021-11-13 01:45:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 4749 states have (on average 2.014739945251632) internal successors, (9568), 4818 states have internal predecessors, (9568), 0 states have call successors, (0), 0 states 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 01:45:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 9568 transitions. [2021-11-13 01:45:45,092 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 9568 transitions. Word has length 24 [2021-11-13 01:45:45,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:45,092 INFO L470 AbstractCegarLoop]: Abstraction has 4819 states and 9568 transitions. [2021-11-13 01:45:45,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 9568 transitions. [2021-11-13 01:45:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:45,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:45,093 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 01:45:45,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-11-13 01:45:45,093 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:45,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:45,093 INFO L85 PathProgramCache]: Analyzing trace with hash -525225544, now seen corresponding path program 54 times [2021-11-13 01:45:45,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:45,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787035953] [2021-11-13 01:45:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:45,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:45,401 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 01:45:45,402 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:45,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787035953] [2021-11-13 01:45:45,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787035953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:45,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:45,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:45,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728066785] [2021-11-13 01:45:45,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:45,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:45,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:45,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:45,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:45,403 INFO L87 Difference]: Start difference. First operand 4819 states and 9568 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:48,430 INFO L93 Difference]: Finished difference Result 5303 states and 10482 transitions. [2021-11-13 01:45:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:45:48,431 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:48,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:48,460 INFO L225 Difference]: With dead ends: 5303 [2021-11-13 01:45:48,460 INFO L226 Difference]: Without dead ends: 5303 [2021-11-13 01:45:48,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=345, Invalid=845, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:45:48,461 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 534 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 3104 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1987.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 3231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.81ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2311.50ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:48,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [534 Valid, 407 Invalid, 3231 Unknown, 0 Unchecked, 8.81ms Time], IncrementalHoareTripleChecker [127 Valid, 3104 Invalid, 0 Unknown, 0 Unchecked, 2311.50ms Time] [2021-11-13 01:45:48,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2021-11-13 01:45:48,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 4804. [2021-11-13 01:45:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4804 states, 4734 states have (on average 2.0147866497676383) internal successors, (9538), 4803 states have internal predecessors, (9538), 0 states have call successors, (0), 0 states 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 01:45:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4804 states to 4804 states and 9538 transitions. [2021-11-13 01:45:48,516 INFO L78 Accepts]: Start accepts. Automaton has 4804 states and 9538 transitions. Word has length 24 [2021-11-13 01:45:48,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:48,516 INFO L470 AbstractCegarLoop]: Abstraction has 4804 states and 9538 transitions. [2021-11-13 01:45:48,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:48,517 INFO L276 IsEmpty]: Start isEmpty. Operand 4804 states and 9538 transitions. [2021-11-13 01:45:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:48,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:48,517 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 01:45:48,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-11-13 01:45:48,517 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:48,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:48,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2146242906, now seen corresponding path program 55 times [2021-11-13 01:45:48,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:48,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974386480] [2021-11-13 01:45:48,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:48,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:48,800 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 01:45:48,801 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:48,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974386480] [2021-11-13 01:45:48,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974386480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:48,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:48,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:48,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696859143] [2021-11-13 01:45:48,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:48,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:48,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:48,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:48,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:48,802 INFO L87 Difference]: Start difference. First operand 4804 states and 9538 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:50,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:50,672 INFO L93 Difference]: Finished difference Result 5235 states and 10345 transitions. [2021-11-13 01:45:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:45:50,673 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:50,679 INFO L225 Difference]: With dead ends: 5235 [2021-11-13 01:45:50,679 INFO L226 Difference]: Without dead ends: 5235 [2021-11-13 01:45:50,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=317, Invalid=739, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:45:50,679 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 526 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1158.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.82ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1346.32ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:50,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [526 Valid, 353 Invalid, 1846 Unknown, 0 Unchecked, 5.82ms Time], IncrementalHoareTripleChecker [112 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 1346.32ms Time] [2021-11-13 01:45:50,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2021-11-13 01:45:50,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 4807. [2021-11-13 01:45:50,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4807 states, 4737 states have (on average 2.0147772852016046) internal successors, (9544), 4806 states have internal predecessors, (9544), 0 states have call successors, (0), 0 states 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 01:45:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4807 states to 4807 states and 9544 transitions. [2021-11-13 01:45:50,738 INFO L78 Accepts]: Start accepts. Automaton has 4807 states and 9544 transitions. Word has length 24 [2021-11-13 01:45:50,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:50,738 INFO L470 AbstractCegarLoop]: Abstraction has 4807 states and 9544 transitions. [2021-11-13 01:45:50,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 4807 states and 9544 transitions. [2021-11-13 01:45:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:50,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:50,739 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 01:45:50,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-11-13 01:45:50,739 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:50,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash -2140563396, now seen corresponding path program 56 times [2021-11-13 01:45:50,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:50,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605007952] [2021-11-13 01:45:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:50,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:51,079 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 01:45:51,080 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:51,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605007952] [2021-11-13 01:45:51,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605007952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:51,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:51,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:51,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974030777] [2021-11-13 01:45:51,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:51,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:51,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:51,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:51,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:51,081 INFO L87 Difference]: Start difference. First operand 4807 states and 9544 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:53,665 INFO L93 Difference]: Finished difference Result 5262 states and 10399 transitions. [2021-11-13 01:45:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:45:53,665 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:53,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:53,671 INFO L225 Difference]: With dead ends: 5262 [2021-11-13 01:45:53,671 INFO L226 Difference]: Without dead ends: 5262 [2021-11-13 01:45:53,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=357, Invalid=833, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:45:53,672 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 525 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1668.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 2671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.25ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1937.08ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:53,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [525 Valid, 387 Invalid, 2671 Unknown, 0 Unchecked, 7.25ms Time], IncrementalHoareTripleChecker [114 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 1937.08ms Time] [2021-11-13 01:45:53,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5262 states. [2021-11-13 01:45:53,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5262 to 4806. [2021-11-13 01:45:53,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 4736 states have (on average 2.0147804054054053) internal successors, (9542), 4805 states have internal predecessors, (9542), 0 states have call successors, (0), 0 states 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 01:45:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 9542 transitions. [2021-11-13 01:45:53,730 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 9542 transitions. Word has length 24 [2021-11-13 01:45:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:53,731 INFO L470 AbstractCegarLoop]: Abstraction has 4806 states and 9542 transitions. [2021-11-13 01:45:53,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 9542 transitions. [2021-11-13 01:45:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:53,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:53,731 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 01:45:53,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-11-13 01:45:53,732 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:53,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1963604856, now seen corresponding path program 57 times [2021-11-13 01:45:53,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:53,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204291230] [2021-11-13 01:45:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:53,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:54,009 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 01:45:54,009 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:54,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204291230] [2021-11-13 01:45:54,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204291230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:54,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:54,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:54,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195682268] [2021-11-13 01:45:54,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:54,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:54,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:54,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:54,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:54,010 INFO L87 Difference]: Start difference. First operand 4806 states and 9542 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:56,634 INFO L93 Difference]: Finished difference Result 5303 states and 10481 transitions. [2021-11-13 01:45:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:45:56,635 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:56,641 INFO L225 Difference]: With dead ends: 5303 [2021-11-13 01:45:56,641 INFO L226 Difference]: Without dead ends: 5303 [2021-11-13 01:45:56,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=352, Invalid=838, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:45:56,641 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 496 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1686.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 2932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.70ms SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1964.61ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:56,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [496 Valid, 398 Invalid, 2932 Unknown, 0 Unchecked, 7.70ms Time], IncrementalHoareTripleChecker [97 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 1964.61ms Time] [2021-11-13 01:45:56,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2021-11-13 01:45:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 4805. [2021-11-13 01:45:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4805 states, 4735 states have (on average 2.0147835269271384) internal successors, (9540), 4804 states have internal predecessors, (9540), 0 states have call successors, (0), 0 states 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 01:45:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4805 states to 4805 states and 9540 transitions. [2021-11-13 01:45:56,700 INFO L78 Accepts]: Start accepts. Automaton has 4805 states and 9540 transitions. Word has length 24 [2021-11-13 01:45:56,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:56,700 INFO L470 AbstractCegarLoop]: Abstraction has 4805 states and 9540 transitions. [2021-11-13 01:45:56,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4805 states and 9540 transitions. [2021-11-13 01:45:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:56,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:56,701 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 01:45:56,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-11-13 01:45:56,701 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:56,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:56,701 INFO L85 PathProgramCache]: Analyzing trace with hash -745151782, now seen corresponding path program 58 times [2021-11-13 01:45:56,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:56,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894153443] [2021-11-13 01:45:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:56,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:56,976 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 01:45:56,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:56,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894153443] [2021-11-13 01:45:56,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894153443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:56,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:56,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:56,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274793973] [2021-11-13 01:45:56,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:56,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:56,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:56,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:56,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:56,978 INFO L87 Difference]: Start difference. First operand 4805 states and 9540 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:59,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:59,197 INFO L93 Difference]: Finished difference Result 5311 states and 10497 transitions. [2021-11-13 01:45:59,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:45:59,197 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:45:59,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:59,202 INFO L225 Difference]: With dead ends: 5311 [2021-11-13 01:45:59,203 INFO L226 Difference]: Without dead ends: 5311 [2021-11-13 01:45:59,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=349, Invalid=841, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:45:59,203 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 526 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 2213 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1375.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.72ms SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1600.05ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:59,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [526 Valid, 386 Invalid, 2328 Unknown, 0 Unchecked, 6.72ms Time], IncrementalHoareTripleChecker [115 Valid, 2213 Invalid, 0 Unknown, 0 Unchecked, 1600.05ms Time] [2021-11-13 01:45:59,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5311 states. [2021-11-13 01:45:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5311 to 4790. [2021-11-13 01:45:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4790 states, 4720 states have (on average 2.014830508474576) internal successors, (9510), 4789 states have internal predecessors, (9510), 0 states have call successors, (0), 0 states 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 01:45:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 9510 transitions. [2021-11-13 01:45:59,260 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 9510 transitions. Word has length 24 [2021-11-13 01:45:59,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:59,260 INFO L470 AbstractCegarLoop]: Abstraction has 4790 states and 9510 transitions. [2021-11-13 01:45:59,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:45:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 9510 transitions. [2021-11-13 01:45:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:45:59,261 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:59,261 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 01:45:59,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-11-13 01:45:59,261 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:45:59,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:59,261 INFO L85 PathProgramCache]: Analyzing trace with hash 359587630, now seen corresponding path program 59 times [2021-11-13 01:45:59,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:45:59,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667319739] [2021-11-13 01:45:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:59,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:45:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:59,675 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 01:45:59,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:45:59,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667319739] [2021-11-13 01:45:59,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667319739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:59,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:59,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:45:59,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68045900] [2021-11-13 01:45:59,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:59,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:45:59,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:45:59,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:45:59,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:45:59,677 INFO L87 Difference]: Start difference. First operand 4790 states and 9510 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:03,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:03,144 INFO L93 Difference]: Finished difference Result 9530 states and 18863 transitions. [2021-11-13 01:46:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:46:03,145 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:03,156 INFO L225 Difference]: With dead ends: 9530 [2021-11-13 01:46:03,156 INFO L226 Difference]: Without dead ends: 9530 [2021-11-13 01:46:03,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=284, Invalid=772, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:46:03,157 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 741 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 3802 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2570.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.41ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2977.62ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:03,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [741 Valid, 625 Invalid, 3910 Unknown, 0 Unchecked, 11.41ms Time], IncrementalHoareTripleChecker [108 Valid, 3802 Invalid, 0 Unknown, 0 Unchecked, 2977.62ms Time] [2021-11-13 01:46:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9530 states. [2021-11-13 01:46:03,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9530 to 4778. [2021-11-13 01:46:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4708 states have (on average 2.014868309260833) internal successors, (9486), 4777 states have internal predecessors, (9486), 0 states have call successors, (0), 0 states 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 01:46:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 9486 transitions. [2021-11-13 01:46:03,255 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 9486 transitions. Word has length 24 [2021-11-13 01:46:03,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:03,255 INFO L470 AbstractCegarLoop]: Abstraction has 4778 states and 9486 transitions. [2021-11-13 01:46:03,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 9486 transitions. [2021-11-13 01:46:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:03,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:03,256 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 01:46:03,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-11-13 01:46:03,256 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:03,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:03,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2062118146, now seen corresponding path program 60 times [2021-11-13 01:46:03,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:03,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024527535] [2021-11-13 01:46:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:03,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:03,608 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 01:46:03,608 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:46:03,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024527535] [2021-11-13 01:46:03,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024527535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:03,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:03,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:46:03,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018535786] [2021-11-13 01:46:03,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:03,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:46:03,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:46:03,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:46:03,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:46:03,610 INFO L87 Difference]: Start difference. First operand 4778 states and 9486 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:06,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:06,978 INFO L93 Difference]: Finished difference Result 9535 states and 18873 transitions. [2021-11-13 01:46:06,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:46:06,979 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:06,990 INFO L225 Difference]: With dead ends: 9535 [2021-11-13 01:46:06,990 INFO L226 Difference]: Without dead ends: 9535 [2021-11-13 01:46:06,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=304, Invalid=818, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:46:06,990 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 799 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 3476 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2434.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 3617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.82ms SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2821.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:06,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [799 Valid, 612 Invalid, 3617 Unknown, 0 Unchecked, 10.82ms Time], IncrementalHoareTripleChecker [141 Valid, 3476 Invalid, 0 Unknown, 0 Unchecked, 2821.98ms Time] [2021-11-13 01:46:07,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9535 states. [2021-11-13 01:46:07,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9535 to 4779. [2021-11-13 01:46:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4779 states, 4709 states have (on average 2.014865151836908) internal successors, (9488), 4778 states have internal predecessors, (9488), 0 states have call successors, (0), 0 states 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 01:46:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 4779 states and 9488 transitions. [2021-11-13 01:46:07,080 INFO L78 Accepts]: Start accepts. Automaton has 4779 states and 9488 transitions. Word has length 24 [2021-11-13 01:46:07,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:07,080 INFO L470 AbstractCegarLoop]: Abstraction has 4779 states and 9488 transitions. [2021-11-13 01:46:07,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4779 states and 9488 transitions. [2021-11-13 01:46:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:07,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:07,081 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 01:46:07,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-11-13 01:46:07,081 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:07,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:07,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2056438636, now seen corresponding path program 61 times [2021-11-13 01:46:07,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:07,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207110390] [2021-11-13 01:46:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:07,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:07,432 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 01:46:07,432 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:46:07,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207110390] [2021-11-13 01:46:07,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207110390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:07,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:07,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:46:07,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671211994] [2021-11-13 01:46:07,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:07,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:46:07,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:46:07,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:46:07,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:46:07,433 INFO L87 Difference]: Start difference. First operand 4779 states and 9488 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:11,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:11,016 INFO L93 Difference]: Finished difference Result 9543 states and 18889 transitions. [2021-11-13 01:46:11,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:46:11,016 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:11,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:11,028 INFO L225 Difference]: With dead ends: 9543 [2021-11-13 01:46:11,028 INFO L226 Difference]: Without dead ends: 9543 [2021-11-13 01:46:11,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=325, Invalid=865, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:46:11,029 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 779 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 3837 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2546.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 3985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.45ms SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 3837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2960.19ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:11,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 631 Invalid, 3985 Unknown, 0 Unchecked, 11.45ms Time], IncrementalHoareTripleChecker [148 Valid, 3837 Invalid, 0 Unknown, 0 Unchecked, 2960.19ms Time] [2021-11-13 01:46:11,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9543 states. [2021-11-13 01:46:11,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9543 to 4766. [2021-11-13 01:46:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4766 states, 4696 states have (on average 2.0149063032367973) internal successors, (9462), 4765 states have internal predecessors, (9462), 0 states have call successors, (0), 0 states 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 01:46:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4766 states to 4766 states and 9462 transitions. [2021-11-13 01:46:11,111 INFO L78 Accepts]: Start accepts. Automaton has 4766 states and 9462 transitions. Word has length 24 [2021-11-13 01:46:11,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:11,111 INFO L470 AbstractCegarLoop]: Abstraction has 4766 states and 9462 transitions. [2021-11-13 01:46:11,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4766 states and 9462 transitions. [2021-11-13 01:46:11,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:11,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:11,112 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 01:46:11,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-11-13 01:46:11,112 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:11,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:11,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1526800302, now seen corresponding path program 62 times [2021-11-13 01:46:11,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:11,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302578236] [2021-11-13 01:46:11,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:11,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:11,423 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 01:46:11,423 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:46:11,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302578236] [2021-11-13 01:46:11,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302578236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:11,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:11,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:46:11,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052424201] [2021-11-13 01:46:11,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:11,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:46:11,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:46:11,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:46:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:46:11,424 INFO L87 Difference]: Start difference. First operand 4766 states and 9462 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:14,896 INFO L93 Difference]: Finished difference Result 9541 states and 18885 transitions. [2021-11-13 01:46:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 01:46:14,896 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:14,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:14,908 INFO L225 Difference]: With dead ends: 9541 [2021-11-13 01:46:14,908 INFO L226 Difference]: Without dead ends: 9541 [2021-11-13 01:46:14,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=287, Invalid=769, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:46:14,909 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 748 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 3746 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2508.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 3884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.28ms SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2931.39ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:14,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [748 Valid, 624 Invalid, 3884 Unknown, 0 Unchecked, 11.28ms Time], IncrementalHoareTripleChecker [138 Valid, 3746 Invalid, 0 Unknown, 0 Unchecked, 2931.39ms Time] [2021-11-13 01:46:14,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9541 states. [2021-11-13 01:46:14,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9541 to 4768. [2021-11-13 01:46:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4768 states, 4698 states have (on average 2.014899957428693) internal successors, (9466), 4767 states have internal predecessors, (9466), 0 states have call successors, (0), 0 states 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 01:46:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4768 states to 4768 states and 9466 transitions. [2021-11-13 01:46:14,986 INFO L78 Accepts]: Start accepts. Automaton has 4768 states and 9466 transitions. Word has length 24 [2021-11-13 01:46:14,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:14,986 INFO L470 AbstractCegarLoop]: Abstraction has 4768 states and 9466 transitions. [2021-11-13 01:46:14,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 4768 states and 9466 transitions. [2021-11-13 01:46:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:14,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:14,987 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 01:46:14,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-11-13 01:46:14,987 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:14,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:14,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1532479812, now seen corresponding path program 63 times [2021-11-13 01:46:14,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:14,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557139536] [2021-11-13 01:46:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:14,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:15,335 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 01:46:15,335 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:46:15,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557139536] [2021-11-13 01:46:15,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557139536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:15,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:15,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:46:15,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132976451] [2021-11-13 01:46:15,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:15,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:46:15,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:46:15,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:46:15,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:46:15,337 INFO L87 Difference]: Start difference. First operand 4768 states and 9466 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:19,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:19,708 INFO L93 Difference]: Finished difference Result 9554 states and 18911 transitions. [2021-11-13 01:46:19,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:46:19,709 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:19,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:19,721 INFO L225 Difference]: With dead ends: 9554 [2021-11-13 01:46:19,721 INFO L226 Difference]: Without dead ends: 9554 [2021-11-13 01:46:19,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:46:19,721 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 740 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 4631 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3250.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 4749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.00ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3749.65ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:19,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [740 Valid, 660 Invalid, 4749 Unknown, 0 Unchecked, 13.00ms Time], IncrementalHoareTripleChecker [118 Valid, 4631 Invalid, 0 Unknown, 0 Unchecked, 3749.65ms Time] [2021-11-13 01:46:19,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9554 states. [2021-11-13 01:46:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9554 to 4767. [2021-11-13 01:46:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4767 states, 4697 states have (on average 2.014903129657228) internal successors, (9464), 4766 states have internal predecessors, (9464), 0 states have call successors, (0), 0 states 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 01:46:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 9464 transitions. [2021-11-13 01:46:19,800 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 9464 transitions. Word has length 24 [2021-11-13 01:46:19,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:19,800 INFO L470 AbstractCegarLoop]: Abstraction has 4767 states and 9464 transitions. [2021-11-13 01:46:19,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 9464 transitions. [2021-11-13 01:46:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:19,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:19,801 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 01:46:19,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-11-13 01:46:19,801 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:19,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1709438352, now seen corresponding path program 64 times [2021-11-13 01:46:19,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:19,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921592259] [2021-11-13 01:46:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:19,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:20,124 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 01:46:20,124 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:46:20,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921592259] [2021-11-13 01:46:20,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921592259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:20,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:20,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:46:20,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461715691] [2021-11-13 01:46:20,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:20,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:46:20,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:46:20,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:46:20,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:46:20,126 INFO L87 Difference]: Start difference. First operand 4767 states and 9464 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:23,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:23,802 INFO L93 Difference]: Finished difference Result 9570 states and 18943 transitions. [2021-11-13 01:46:23,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 01:46:23,802 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:23,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:23,815 INFO L225 Difference]: With dead ends: 9570 [2021-11-13 01:46:23,815 INFO L226 Difference]: Without dead ends: 9570 [2021-11-13 01:46:23,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=304, Invalid=818, Unknown=0, NotChecked=0, Total=1122 [2021-11-13 01:46:23,815 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 723 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 4236 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2654.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.64ms SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 4236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3084.67ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:23,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 641 Invalid, 4352 Unknown, 0 Unchecked, 11.64ms Time], IncrementalHoareTripleChecker [116 Valid, 4236 Invalid, 0 Unknown, 0 Unchecked, 3084.67ms Time] [2021-11-13 01:46:23,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9570 states. [2021-11-13 01:46:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9570 to 4754. [2021-11-13 01:46:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4754 states, 4684 states have (on average 2.0149444918872756) internal successors, (9438), 4753 states have internal predecessors, (9438), 0 states have call successors, (0), 0 states 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 01:46:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 9438 transitions. [2021-11-13 01:46:23,893 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 9438 transitions. Word has length 24 [2021-11-13 01:46:23,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:23,893 INFO L470 AbstractCegarLoop]: Abstraction has 4754 states and 9438 transitions. [2021-11-13 01:46:23,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 9438 transitions. [2021-11-13 01:46:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:23,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:23,894 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 01:46:23,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-11-13 01:46:23,894 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:23,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:23,894 INFO L85 PathProgramCache]: Analyzing trace with hash 88420990, now seen corresponding path program 65 times [2021-11-13 01:46:23,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:23,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449607478] [2021-11-13 01:46:23,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:23,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:24,191 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 01:46:24,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:46:24,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449607478] [2021-11-13 01:46:24,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449607478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:24,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:24,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:46:24,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536149140] [2021-11-13 01:46:24,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:24,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:46:24,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:46:24,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:46:24,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:46:24,193 INFO L87 Difference]: Start difference. First operand 4754 states and 9438 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:27,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:27,755 INFO L93 Difference]: Finished difference Result 9669 states and 19137 transitions. [2021-11-13 01:46:27,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 01:46:27,756 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:27,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:27,773 INFO L225 Difference]: With dead ends: 9669 [2021-11-13 01:46:27,774 INFO L226 Difference]: Without dead ends: 9669 [2021-11-13 01:46:27,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=366, Invalid=966, Unknown=0, NotChecked=0, Total=1332 [2021-11-13 01:46:27,774 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 690 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 4137 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2503.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 4242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.33ms SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 4137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2918.48ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:27,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [690 Valid, 638 Invalid, 4242 Unknown, 0 Unchecked, 11.33ms Time], IncrementalHoareTripleChecker [105 Valid, 4137 Invalid, 0 Unknown, 0 Unchecked, 2918.48ms Time] [2021-11-13 01:46:27,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9669 states. [2021-11-13 01:46:27,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9669 to 4753. [2021-11-13 01:46:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4753 states, 4683 states have (on average 2.014947683109118) internal successors, (9436), 4752 states have internal predecessors, (9436), 0 states have call successors, (0), 0 states 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 01:46:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4753 states to 4753 states and 9436 transitions. [2021-11-13 01:46:27,861 INFO L78 Accepts]: Start accepts. Automaton has 4753 states and 9436 transitions. Word has length 24 [2021-11-13 01:46:27,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:27,861 INFO L470 AbstractCegarLoop]: Abstraction has 4753 states and 9436 transitions. [2021-11-13 01:46:27,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 4753 states and 9436 transitions. [2021-11-13 01:46:27,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:27,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:27,877 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 01:46:27,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-11-13 01:46:27,878 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:27,878 INFO L85 PathProgramCache]: Analyzing trace with hash 94100500, now seen corresponding path program 66 times [2021-11-13 01:46:27,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:27,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522388156] [2021-11-13 01:46:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:27,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:28,155 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 01:46:28,155 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:46:28,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522388156] [2021-11-13 01:46:28,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522388156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:28,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:28,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 01:46:28,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167280668] [2021-11-13 01:46:28,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:28,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:46:28,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:46:28,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:46:28,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:46:28,157 INFO L87 Difference]: Start difference. First operand 4753 states and 9436 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:31,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:31,302 INFO L93 Difference]: Finished difference Result 9689 states and 19177 transitions. [2021-11-13 01:46:31,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:46:31,302 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have 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 01:46:31,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:31,314 INFO L225 Difference]: With dead ends: 9689 [2021-11-13 01:46:31,315 INFO L226 Difference]: Without dead ends: 9689 [2021-11-13 01:46:31,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=408, Invalid=1074, Unknown=0, NotChecked=0, Total=1482 [2021-11-13 01:46:31,315 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 690 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 3347 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2053.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.17ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2399.45ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:31,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [690 Valid, 609 Invalid, 3455 Unknown, 0 Unchecked, 10.17ms Time], IncrementalHoareTripleChecker [108 Valid, 3347 Invalid, 0 Unknown, 0 Unchecked, 2399.45ms Time] [2021-11-13 01:46:31,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9689 states. [2021-11-13 01:46:31,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9689 to 4752. [2021-11-13 01:46:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4752 states, 4682 states have (on average 2.0149508756941477) internal successors, (9434), 4751 states have internal predecessors, (9434), 0 states have call successors, (0), 0 states 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 01:46:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4752 states and 9434 transitions. [2021-11-13 01:46:31,436 INFO L78 Accepts]: Start accepts. Automaton has 4752 states and 9434 transitions. Word has length 24 [2021-11-13 01:46:31,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:31,436 INFO L470 AbstractCegarLoop]: Abstraction has 4752 states and 9434 transitions. [2021-11-13 01:46:31,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 01:46:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 4752 states and 9434 transitions. [2021-11-13 01:46:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 01:46:31,437 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:31,437 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 01:46:31,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-11-13 01:46:31,437 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-13 01:46:31,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:31,438 INFO L85 PathProgramCache]: Analyzing trace with hash 271059040, now seen corresponding path program 67 times [2021-11-13 01:46:31,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:46:31,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940743888] [2021-11-13 01:46:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:31,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:46:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat