./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:01:54,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:01:54,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:01:54,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:01:54,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:01:54,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:01:54,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:01:54,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:01:54,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:01:54,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:01:54,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:01:54,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:01:54,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:01:54,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:01:54,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:01:54,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:01:54,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:01:54,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:01:54,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:01:54,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:01:54,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:01:54,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:01:54,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:01:54,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:01:54,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:01:54,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:01:54,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:01:54,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:01:54,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:01:54,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:01:54,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:01:54,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:01:54,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:01:54,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:01:54,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:01:54,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:01:54,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:01:54,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:01:54,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:01:54,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:01:54,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:01:54,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 02:01:55,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:01:55,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:01:55,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:01:55,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:01:55,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:01:55,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:01:55,014 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:01:55,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:01:55,015 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:01:55,015 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:01:55,016 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:01:55,016 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:01:55,016 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:01:55,016 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:01:55,016 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:01:55,017 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:01:55,017 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:01:55,017 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:01:55,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:01:55,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:01:55,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:01:55,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:01:55,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:01:55,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:01:55,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:01:55,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:01:55,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:01:55,020 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 02:01:55,020 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:01:55,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:01:55,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:01:55,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:01:55,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:01:55,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:01:55,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:01:55,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:01:55,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:01:55,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:01:55,023 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:01:55,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:01:55,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:01:55,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:01:55,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:01:55,024 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_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 [2021-11-23 02:01:55,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:01:55,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:01:55,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:01:55,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:01:55,356 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:01:55,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2021-11-23 02:01:55,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/data/6e187dff5/71cf129553c34defac7646bb19897987/FLAG224b6fb57 [2021-11-23 02:01:56,069 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:01:56,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2021-11-23 02:01:56,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/data/6e187dff5/71cf129553c34defac7646bb19897987/FLAG224b6fb57 [2021-11-23 02:01:56,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/data/6e187dff5/71cf129553c34defac7646bb19897987 [2021-11-23 02:01:56,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:01:56,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:01:56,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:01:56,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:01:56,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:01:56,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:01:56" (1/1) ... [2021-11-23 02:01:56,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11285c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:56, skipping insertion in model container [2021-11-23 02:01:56,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:01:56" (1/1) ... [2021-11-23 02:01:56,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:01:56,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:01:57,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:01:57,046 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:01:57,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:01:57,224 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:01:57,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57 WrapperNode [2021-11-23 02:01:57,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:01:57,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:01:57,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:01:57,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:01:57,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,339 INFO L137 Inliner]: procedures = 368, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2021-11-23 02:01:57,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:01:57,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:01:57,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:01:57,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:01:57,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:01:57,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:01:57,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:01:57,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:01:57,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (1/1) ... [2021-11-23 02:01:57,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:01:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:01:57,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:01:57,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe68361-a2d6-44bc-93a3-0d97989c53fd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:01:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:01:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:01:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:01:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:01:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:01:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 02:01:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:01:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:01:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:01:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 02:01:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 02:01:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:01:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:01:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:01:57,508 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 02:01:57,705 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:01:57,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:01:58,356 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:01:58,369 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:01:58,369 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:01:58,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:01:58 BoogieIcfgContainer [2021-11-23 02:01:58,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:01:58,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:01:58,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:01:58,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:01:58,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:01:56" (1/3) ... [2021-11-23 02:01:58,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2350d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:01:58, skipping insertion in model container [2021-11-23 02:01:58,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:57" (2/3) ... [2021-11-23 02:01:58,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2350d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:01:58, skipping insertion in model container [2021-11-23 02:01:58,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:01:58" (3/3) ... [2021-11-23 02:01:58,380 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2021-11-23 02:01:58,388 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 02:01:58,388 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:01:58,388 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-23 02:01:58,388 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 02:01:58,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,430 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,469 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:01:58,474 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 02:01:58,520 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:01:58,526 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:01:58,526 INFO L340 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2021-11-23 02:01:58,548 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 02:01:58,561 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 286 transitions, 577 flow [2021-11-23 02:01:58,564 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 286 transitions, 577 flow [2021-11-23 02:01:58,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 286 transitions, 577 flow [2021-11-23 02:01:58,721 INFO L129 PetriNetUnfolder]: 0/285 cut-off events. [2021-11-23 02:01:58,721 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 02:01:58,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 285 events. 0/285 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-23 02:01:58,769 INFO L116 LiptonReduction]: Number of co-enabled transitions 7728 [2021-11-23 02:02:30,910 WARN L227 SmtUtils]: Spent 11.24s on a formula simplification. DAG size of input: 132 DAG size of output: 129 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:02:45,702 WARN L227 SmtUtils]: Spent 10.72s on a formula simplification. DAG size of input: 132 DAG size of output: 129 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:02:57,538 WARN L227 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 122 DAG size of output: 113 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:03:08,461 WARN L227 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 122 DAG size of output: 113 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:04:04,835 WARN L227 SmtUtils]: Spent 19.00s on a formula simplification. DAG size of input: 136 DAG size of output: 134 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:04:10,743 WARN L227 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:04:30,567 WARN L227 SmtUtils]: Spent 19.82s on a formula simplification. DAG size of input: 136 DAG size of output: 134 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:04:36,400 WARN L227 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:04:47,845 WARN L227 SmtUtils]: Spent 11.41s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:04:53,132 WARN L227 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:05:01,983 WARN L227 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:05:14,653 WARN L227 SmtUtils]: Spent 12.67s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:06:42,521 WARN L227 SmtUtils]: Spent 1.46m on a formula simplification that was a NOOP. DAG size: 318 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:08:50,465 WARN L227 SmtUtils]: Spent 2.13m on a formula simplification that was a NOOP. DAG size: 310 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:09:56,636 WARN L227 SmtUtils]: Spent 1.10m on a formula simplification that was a NOOP. DAG size: 318 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:10:13,800 WARN L227 SmtUtils]: Spent 17.16s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:11:58,770 WARN L227 SmtUtils]: Spent 1.75m on a formula simplification. DAG size of input: 368 DAG size of output: 366 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:12:51,187 WARN L227 SmtUtils]: Spent 52.41s on a formula simplification that was a NOOP. DAG size: 358 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:14:40,744 WARN L227 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 368 DAG size of output: 366 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:15:33,261 WARN L227 SmtUtils]: Spent 52.51s on a formula simplification that was a NOOP. DAG size: 358 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:15:33,509 INFO L131 LiptonReduction]: Checked pairs total: 101991 [2021-11-23 02:15:33,509 INFO L133 LiptonReduction]: Total number of compositions: 325 [2021-11-23 02:15:33,525 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 91 transitions, 187 flow [2021-11-23 02:15:33,606 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1447 states, 1371 states have (on average 2.0437636761487963) internal successors, (2802), 1446 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1371 states have (on average 2.0437636761487963) internal successors, (2802), 1446 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-23 02:15:33,619 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:33,619 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-23 02:15:33,621 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:33,627 INFO L85 PathProgramCache]: Analyzing trace with hash 959, now seen corresponding path program 1 times [2021-11-23 02:15:33,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:33,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187239182] [2021-11-23 02:15:33,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:33,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:33,761 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:33,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187239182] [2021-11-23 02:15:33,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187239182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:33,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:33,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-23 02:15:33,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2923278] [2021-11-23 02:15:33,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:33,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:15:33,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:33,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:15:33,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:15:33,803 INFO L87 Difference]: Start difference. First operand has 1447 states, 1371 states have (on average 2.0437636761487963) internal successors, (2802), 1446 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:34,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:34,619 INFO L93 Difference]: Finished difference Result 1285 states and 2496 transitions. [2021-11-23 02:15:34,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:15:34,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2021-11-23 02:15:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:34,647 INFO L225 Difference]: With dead ends: 1285 [2021-11-23 02:15:34,648 INFO L226 Difference]: Without dead ends: 1285 [2021-11-23 02:15:34,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:15:34,652 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:34,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 02:15:34,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2021-11-23 02:15:34,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2021-11-23 02:15:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1251 states have (on average 1.9952038369304557) internal successors, (2496), 1284 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 2496 transitions. [2021-11-23 02:15:34,795 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 2496 transitions. Word has length 1 [2021-11-23 02:15:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:34,796 INFO L470 AbstractCegarLoop]: Abstraction has 1285 states and 2496 transitions. [2021-11-23 02:15:34,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 2496 transitions. [2021-11-23 02:15:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 02:15:34,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:34,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:34,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:15:34,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:34,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:34,802 INFO L85 PathProgramCache]: Analyzing trace with hash 120106461, now seen corresponding path program 1 times [2021-11-23 02:15:34,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:34,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495082346] [2021-11-23 02:15:34,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:34,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:35,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:35,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495082346] [2021-11-23 02:15:35,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495082346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:35,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:35,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:15:35,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158192936] [2021-11-23 02:15:35,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:35,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:15:35,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:15:35,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:35,113 INFO L87 Difference]: Start difference. First operand 1285 states and 2496 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:36,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:36,302 INFO L93 Difference]: Finished difference Result 2028 states and 3927 transitions. [2021-11-23 02:15:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:15:36,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-23 02:15:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:36,319 INFO L225 Difference]: With dead ends: 2028 [2021-11-23 02:15:36,319 INFO L226 Difference]: Without dead ends: 2028 [2021-11-23 02:15:36,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:36,321 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 78 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:36,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 15 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 02:15:36,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2021-11-23 02:15:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1252. [2021-11-23 02:15:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1223 states have (on average 1.9877350776778413) internal successors, (2431), 1251 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2431 transitions. [2021-11-23 02:15:36,379 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2431 transitions. Word has length 7 [2021-11-23 02:15:36,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:36,379 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2431 transitions. [2021-11-23 02:15:36,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2431 transitions. [2021-11-23 02:15:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:15:36,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:36,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:36,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:15:36,382 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:36,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:36,383 INFO L85 PathProgramCache]: Analyzing trace with hash -991968710, now seen corresponding path program 1 times [2021-11-23 02:15:36,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:36,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806543929] [2021-11-23 02:15:36,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:36,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:36,644 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:36,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806543929] [2021-11-23 02:15:36,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806543929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:36,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:36,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:15:36,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733309895] [2021-11-23 02:15:36,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:36,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:15:36,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:36,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:15:36,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:36,648 INFO L87 Difference]: Start difference. First operand 1252 states and 2431 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:38,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:38,017 INFO L93 Difference]: Finished difference Result 1990 states and 3852 transitions. [2021-11-23 02:15:38,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:15:38,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-23 02:15:38,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:38,034 INFO L225 Difference]: With dead ends: 1990 [2021-11-23 02:15:38,035 INFO L226 Difference]: Without dead ends: 1990 [2021-11-23 02:15:38,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:38,037 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 72 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:38,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 16 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:15:38,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2021-11-23 02:15:38,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1344. [2021-11-23 02:15:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1316 states have (on average 1.9840425531914894) internal successors, (2611), 1343 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 2611 transitions. [2021-11-23 02:15:38,092 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 2611 transitions. Word has length 9 [2021-11-23 02:15:38,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:38,092 INFO L470 AbstractCegarLoop]: Abstraction has 1344 states and 2611 transitions. [2021-11-23 02:15:38,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 2611 transitions. [2021-11-23 02:15:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:15:38,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:38,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:38,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:15:38,094 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:38,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:38,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1102939702, now seen corresponding path program 1 times [2021-11-23 02:15:38,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:38,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925055326] [2021-11-23 02:15:38,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:38,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:38,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:38,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925055326] [2021-11-23 02:15:38,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925055326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:38,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:38,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:15:38,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230695891] [2021-11-23 02:15:38,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:38,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:15:38,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:38,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:15:38,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:38,209 INFO L87 Difference]: Start difference. First operand 1344 states and 2611 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:39,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:39,753 INFO L93 Difference]: Finished difference Result 1312 states and 2548 transitions. [2021-11-23 02:15:39,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:15:39,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 02:15:39,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:39,764 INFO L225 Difference]: With dead ends: 1312 [2021-11-23 02:15:39,764 INFO L226 Difference]: Without dead ends: 1312 [2021-11-23 02:15:39,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:39,766 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 46 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:39,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 38 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:15:39,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2021-11-23 02:15:39,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2021-11-23 02:15:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1288 states have (on average 1.9782608695652173) internal successors, (2548), 1311 states have internal predecessors, (2548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 2548 transitions. [2021-11-23 02:15:39,844 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 2548 transitions. Word has length 11 [2021-11-23 02:15:39,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:39,844 INFO L470 AbstractCegarLoop]: Abstraction has 1312 states and 2548 transitions. [2021-11-23 02:15:39,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2548 transitions. [2021-11-23 02:15:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:15:39,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:39,849 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:39,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:15:39,850 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:39,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:39,857 INFO L85 PathProgramCache]: Analyzing trace with hash -992767573, now seen corresponding path program 1 times [2021-11-23 02:15:39,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:39,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356369162] [2021-11-23 02:15:39,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:39,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:40,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:40,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356369162] [2021-11-23 02:15:40,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356369162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:40,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:40,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:15:40,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300471799] [2021-11-23 02:15:40,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:40,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:15:40,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:40,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:15:40,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:40,052 INFO L87 Difference]: Start difference. First operand 1312 states and 2548 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:41,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:41,873 INFO L93 Difference]: Finished difference Result 1780 states and 3439 transitions. [2021-11-23 02:15:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:15:41,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-23 02:15:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:41,888 INFO L225 Difference]: With dead ends: 1780 [2021-11-23 02:15:41,889 INFO L226 Difference]: Without dead ends: 1768 [2021-11-23 02:15:41,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:41,890 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 54 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:41,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 29 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:15:41,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2021-11-23 02:15:41,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1486. [2021-11-23 02:15:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1462 states have (on average 1.9740082079343366) internal successors, (2886), 1485 states have internal predecessors, (2886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2886 transitions. [2021-11-23 02:15:41,947 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2886 transitions. Word has length 15 [2021-11-23 02:15:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:41,947 INFO L470 AbstractCegarLoop]: Abstraction has 1486 states and 2886 transitions. [2021-11-23 02:15:41,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2886 transitions. [2021-11-23 02:15:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:15:41,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:41,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:41,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:15:41,950 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:41,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:41,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1393874624, now seen corresponding path program 1 times [2021-11-23 02:15:41,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:41,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847658312] [2021-11-23 02:15:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:41,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:42,087 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:42,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847658312] [2021-11-23 02:15:42,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847658312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:42,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:42,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:15:42,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585615465] [2021-11-23 02:15:42,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:42,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:15:42,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:42,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:15:42,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:42,091 INFO L87 Difference]: Start difference. First operand 1486 states and 2886 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:43,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:43,194 INFO L93 Difference]: Finished difference Result 1600 states and 3110 transitions. [2021-11-23 02:15:43,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:15:43,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-23 02:15:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:43,220 INFO L225 Difference]: With dead ends: 1600 [2021-11-23 02:15:43,220 INFO L226 Difference]: Without dead ends: 1600 [2021-11-23 02:15:43,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:43,221 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 64 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:43,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 35 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 02:15:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2021-11-23 02:15:43,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1600. [2021-11-23 02:15:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1576 states have (on average 1.9733502538071066) internal successors, (3110), 1599 states have internal predecessors, (3110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 3110 transitions. [2021-11-23 02:15:43,313 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 3110 transitions. Word has length 17 [2021-11-23 02:15:43,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:43,313 INFO L470 AbstractCegarLoop]: Abstraction has 1600 states and 3110 transitions. [2021-11-23 02:15:43,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 3110 transitions. [2021-11-23 02:15:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:15:43,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:43,319 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] [2021-11-23 02:15:43,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:15:43,320 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:43,321 INFO L85 PathProgramCache]: Analyzing trace with hash -549974456, now seen corresponding path program 1 times [2021-11-23 02:15:43,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:43,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017853732] [2021-11-23 02:15:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:43,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:43,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:43,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017853732] [2021-11-23 02:15:43,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017853732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:43,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:43,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:43,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468269260] [2021-11-23 02:15:43,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:43,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:43,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:43,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:43,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:43,389 INFO L87 Difference]: Start difference. First operand 1600 states and 3110 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:44,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:44,074 INFO L93 Difference]: Finished difference Result 1167 states and 2188 transitions. [2021-11-23 02:15:44,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:15:44,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-23 02:15:44,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:44,082 INFO L225 Difference]: With dead ends: 1167 [2021-11-23 02:15:44,082 INFO L226 Difference]: Without dead ends: 1167 [2021-11-23 02:15:44,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:44,083 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 54 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:44,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 101 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 02:15:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-11-23 02:15:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1139. [2021-11-23 02:15:44,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1121 states have (on average 1.926851025869759) internal successors, (2160), 1138 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2160 transitions. [2021-11-23 02:15:44,125 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2160 transitions. Word has length 20 [2021-11-23 02:15:44,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:44,125 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2160 transitions. [2021-11-23 02:15:44,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2160 transitions. [2021-11-23 02:15:44,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 02:15:44,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:44,127 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] [2021-11-23 02:15:44,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:15:44,127 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash -558489142, now seen corresponding path program 1 times [2021-11-23 02:15:44,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:44,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813903879] [2021-11-23 02:15:44,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:44,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:44,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:44,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813903879] [2021-11-23 02:15:44,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813903879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:44,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:44,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:15:44,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777560261] [2021-11-23 02:15:44,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:44,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:15:44,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:44,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:15:44,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:44,234 INFO L87 Difference]: Start difference. First operand 1139 states and 2160 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:45,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:45,897 INFO L93 Difference]: Finished difference Result 1311 states and 2475 transitions. [2021-11-23 02:15:45,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:15:45,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-23 02:15:45,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:45,907 INFO L225 Difference]: With dead ends: 1311 [2021-11-23 02:15:45,907 INFO L226 Difference]: Without dead ends: 1311 [2021-11-23 02:15:45,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:45,908 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 74 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:45,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 26 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 02:15:45,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2021-11-23 02:15:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1104. [2021-11-23 02:15:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1089 states have (on average 1.9201101928374655) internal successors, (2091), 1103 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 2091 transitions. [2021-11-23 02:15:45,954 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 2091 transitions. Word has length 23 [2021-11-23 02:15:45,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:45,954 INFO L470 AbstractCegarLoop]: Abstraction has 1104 states and 2091 transitions. [2021-11-23 02:15:45,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 2091 transitions. [2021-11-23 02:15:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 02:15:45,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:45,956 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] [2021-11-23 02:15:45,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:15:45,956 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:45,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1603748911, now seen corresponding path program 1 times [2021-11-23 02:15:45,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:45,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958092338] [2021-11-23 02:15:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:45,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:46,128 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:46,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958092338] [2021-11-23 02:15:46,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958092338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:46,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:46,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:15:46,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028198322] [2021-11-23 02:15:46,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:46,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:15:46,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:46,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:15:46,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:46,130 INFO L87 Difference]: Start difference. First operand 1104 states and 2091 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:47,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:47,680 INFO L93 Difference]: Finished difference Result 1292 states and 2430 transitions. [2021-11-23 02:15:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:15:47,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-23 02:15:47,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:47,690 INFO L225 Difference]: With dead ends: 1292 [2021-11-23 02:15:47,690 INFO L226 Difference]: Without dead ends: 1250 [2021-11-23 02:15:47,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:47,691 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 99 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:47,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 27 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 02:15:47,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-11-23 02:15:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1116. [2021-11-23 02:15:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1101 states have (on average 1.9073569482288828) internal successors, (2100), 1115 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2100 transitions. [2021-11-23 02:15:47,725 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2100 transitions. Word has length 23 [2021-11-23 02:15:47,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:47,725 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 2100 transitions. [2021-11-23 02:15:47,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2100 transitions. [2021-11-23 02:15:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:15:47,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:47,727 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:47,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:15:47,727 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1775076439, now seen corresponding path program 1 times [2021-11-23 02:15:47,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:47,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478631097] [2021-11-23 02:15:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:47,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:47,820 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:47,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478631097] [2021-11-23 02:15:47,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478631097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:47,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:47,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:15:47,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317699973] [2021-11-23 02:15:47,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:47,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:15:47,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:47,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:15:47,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:47,823 INFO L87 Difference]: Start difference. First operand 1116 states and 2100 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:48,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:48,849 INFO L93 Difference]: Finished difference Result 1081 states and 2032 transitions. [2021-11-23 02:15:48,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:15:48,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-23 02:15:48,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:48,858 INFO L225 Difference]: With dead ends: 1081 [2021-11-23 02:15:48,858 INFO L226 Difference]: Without dead ends: 1081 [2021-11-23 02:15:48,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:48,859 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 41 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:48,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 38 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 02:15:48,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2021-11-23 02:15:48,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1081. [2021-11-23 02:15:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1069 states have (on average 1.900841908325538) internal successors, (2032), 1080 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 2032 transitions. [2021-11-23 02:15:48,895 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 2032 transitions. Word has length 27 [2021-11-23 02:15:48,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:48,896 INFO L470 AbstractCegarLoop]: Abstraction has 1081 states and 2032 transitions. [2021-11-23 02:15:48,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2032 transitions. [2021-11-23 02:15:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 02:15:48,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:48,898 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:48,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:15:48,898 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:48,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:48,899 INFO L85 PathProgramCache]: Analyzing trace with hash 63735872, now seen corresponding path program 1 times [2021-11-23 02:15:48,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:48,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93559740] [2021-11-23 02:15:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:48,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:49,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:49,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93559740] [2021-11-23 02:15:49,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93559740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:49,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:49,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:15:49,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189472532] [2021-11-23 02:15:49,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:49,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:15:49,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:49,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:15:49,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:49,058 INFO L87 Difference]: Start difference. First operand 1081 states and 2032 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:51,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:51,203 INFO L93 Difference]: Finished difference Result 1194 states and 2244 transitions. [2021-11-23 02:15:51,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:15:51,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-23 02:15:51,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:51,212 INFO L225 Difference]: With dead ends: 1194 [2021-11-23 02:15:51,213 INFO L226 Difference]: Without dead ends: 1132 [2021-11-23 02:15:51,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:51,214 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 64 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:51,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 36 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:15:51,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2021-11-23 02:15:51,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1132. [2021-11-23 02:15:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1120 states have (on average 1.8821428571428571) internal successors, (2108), 1131 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 2108 transitions. [2021-11-23 02:15:51,251 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 2108 transitions. Word has length 33 [2021-11-23 02:15:51,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:51,252 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 2108 transitions. [2021-11-23 02:15:51,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2108 transitions. [2021-11-23 02:15:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 02:15:51,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:51,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:51,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 02:15:51,257 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:51,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:51,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1383955797, now seen corresponding path program 1 times [2021-11-23 02:15:51,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:51,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967725199] [2021-11-23 02:15:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:51,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:51,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:51,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967725199] [2021-11-23 02:15:51,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967725199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:51,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:51,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 02:15:51,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479002281] [2021-11-23 02:15:51,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:51,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 02:15:51,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:51,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 02:15:51,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:15:51,673 INFO L87 Difference]: Start difference. First operand 1132 states and 2108 transitions. Second operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:53,438 INFO L93 Difference]: Finished difference Result 1258 states and 2345 transitions. [2021-11-23 02:15:53,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:15:53,438 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 02:15:53,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:53,448 INFO L225 Difference]: With dead ends: 1258 [2021-11-23 02:15:53,448 INFO L226 Difference]: Without dead ends: 1258 [2021-11-23 02:15:53,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-23 02:15:53,450 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 86 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:53,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 35 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 02:15:53,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2021-11-23 02:15:53,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1183. [2021-11-23 02:15:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1171 states have (on average 1.8898377455166524) internal successors, (2213), 1182 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2213 transitions. [2021-11-23 02:15:53,490 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2213 transitions. Word has length 34 [2021-11-23 02:15:53,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:53,490 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 2213 transitions. [2021-11-23 02:15:53,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2213 transitions. [2021-11-23 02:15:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 02:15:53,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:53,493 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:53,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 02:15:53,495 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:53,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:53,496 INFO L85 PathProgramCache]: Analyzing trace with hash -982248188, now seen corresponding path program 1 times [2021-11-23 02:15:53,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:53,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2261409] [2021-11-23 02:15:53,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:53,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:53,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:53,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2261409] [2021-11-23 02:15:53,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2261409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:53,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:53,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:15:53,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228817310] [2021-11-23 02:15:53,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:53,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:15:53,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:53,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:15:53,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:15:53,894 INFO L87 Difference]: Start difference. First operand 1183 states and 2213 transitions. Second operand has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:55,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:55,803 INFO L93 Difference]: Finished difference Result 1173 states and 2190 transitions. [2021-11-23 02:15:55,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 02:15:55,803 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 02:15:55,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:55,810 INFO L225 Difference]: With dead ends: 1173 [2021-11-23 02:15:55,810 INFO L226 Difference]: Without dead ends: 1173 [2021-11-23 02:15:55,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-11-23 02:15:55,811 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 161 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:55,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 59 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:15:55,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2021-11-23 02:15:55,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1133. [2021-11-23 02:15:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1122 states have (on average 1.8805704099821747) internal successors, (2110), 1132 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 2110 transitions. [2021-11-23 02:15:55,842 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 2110 transitions. Word has length 34 [2021-11-23 02:15:55,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:55,842 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 2110 transitions. [2021-11-23 02:15:55,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 2110 transitions. [2021-11-23 02:15:55,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 02:15:55,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:55,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:55,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 02:15:55,845 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:55,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1050070829, now seen corresponding path program 2 times [2021-11-23 02:15:55,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:55,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200863359] [2021-11-23 02:15:55,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:55,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:56,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:56,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200863359] [2021-11-23 02:15:56,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200863359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:56,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:56,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:15:56,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16295554] [2021-11-23 02:15:56,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:56,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:15:56,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:56,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:15:56,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:15:56,286 INFO L87 Difference]: Start difference. First operand 1133 states and 2110 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:59,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:59,056 INFO L93 Difference]: Finished difference Result 1476 states and 2740 transitions. [2021-11-23 02:15:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 02:15:59,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 02:15:59,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:59,065 INFO L225 Difference]: With dead ends: 1476 [2021-11-23 02:15:59,066 INFO L226 Difference]: Without dead ends: 1476 [2021-11-23 02:15:59,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-11-23 02:15:59,067 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 41 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:59,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 37 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 02:15:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2021-11-23 02:15:59,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1120. [2021-11-23 02:15:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1109 states have (on average 1.87917042380523) internal successors, (2084), 1119 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 2084 transitions. [2021-11-23 02:15:59,108 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 2084 transitions. Word has length 34 [2021-11-23 02:15:59,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:59,108 INFO L470 AbstractCegarLoop]: Abstraction has 1120 states and 2084 transitions. [2021-11-23 02:15:59,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 2084 transitions. [2021-11-23 02:15:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 02:15:59,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:59,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:59,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 02:15:59,111 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:15:59,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:59,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1649433055, now seen corresponding path program 3 times [2021-11-23 02:15:59,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:59,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12588179] [2021-11-23 02:15:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:59,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:59,539 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:59,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12588179] [2021-11-23 02:15:59,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12588179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:59,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:59,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:15:59,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508364964] [2021-11-23 02:15:59,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:59,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:15:59,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:59,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:15:59,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:15:59,541 INFO L87 Difference]: Start difference. First operand 1120 states and 2084 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:02,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:02,477 INFO L93 Difference]: Finished difference Result 1450 states and 2688 transitions. [2021-11-23 02:16:02,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 02:16:02,478 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 02:16:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:02,487 INFO L225 Difference]: With dead ends: 1450 [2021-11-23 02:16:02,487 INFO L226 Difference]: Without dead ends: 1450 [2021-11-23 02:16:02,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:16:02,488 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 52 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:02,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 37 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-23 02:16:02,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2021-11-23 02:16:02,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1107. [2021-11-23 02:16:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 1096 states have (on average 1.8777372262773722) internal successors, (2058), 1106 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 2058 transitions. [2021-11-23 02:16:02,521 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 2058 transitions. Word has length 34 [2021-11-23 02:16:02,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:02,522 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 2058 transitions. [2021-11-23 02:16:02,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2058 transitions. [2021-11-23 02:16:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 02:16:02,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:02,524 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:02,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 02:16:02,524 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:16:02,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:02,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1027058373, now seen corresponding path program 4 times [2021-11-23 02:16:02,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:02,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377377317] [2021-11-23 02:16:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:02,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:16:02,971 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:02,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377377317] [2021-11-23 02:16:02,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377377317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:02,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:02,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:16:02,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082780081] [2021-11-23 02:16:02,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:02,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:16:02,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:02,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:16:02,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:16:02,973 INFO L87 Difference]: Start difference. First operand 1107 states and 2058 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:04,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:06,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:06,515 INFO L93 Difference]: Finished difference Result 1408 states and 2604 transitions. [2021-11-23 02:16:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 02:16:06,515 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 02:16:06,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:06,520 INFO L225 Difference]: With dead ends: 1408 [2021-11-23 02:16:06,520 INFO L226 Difference]: Without dead ends: 1408 [2021-11-23 02:16:06,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:16:06,521 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 54 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:06,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 38 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 02:16:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2021-11-23 02:16:06,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1077. [2021-11-23 02:16:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1066 states have (on average 1.874296435272045) internal successors, (1998), 1076 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1998 transitions. [2021-11-23 02:16:06,550 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1998 transitions. Word has length 34 [2021-11-23 02:16:06,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:06,550 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1998 transitions. [2021-11-23 02:16:06,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1998 transitions. [2021-11-23 02:16:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 02:16:06,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:06,552 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:06,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 02:16:06,553 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:16:06,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:06,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1105266808, now seen corresponding path program 1 times [2021-11-23 02:16:06,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:06,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110456741] [2021-11-23 02:16:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:06,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:16:07,006 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:07,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110456741] [2021-11-23 02:16:07,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110456741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:07,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:07,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:16:07,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129057681] [2021-11-23 02:16:07,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:07,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:16:07,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:07,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:16:07,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:16:07,009 INFO L87 Difference]: Start difference. First operand 1077 states and 1998 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:10,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:10,246 INFO L93 Difference]: Finished difference Result 1066 states and 1977 transitions. [2021-11-23 02:16:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 02:16:10,246 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-23 02:16:10,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:10,249 INFO L225 Difference]: With dead ends: 1066 [2021-11-23 02:16:10,249 INFO L226 Difference]: Without dead ends: 1058 [2021-11-23 02:16:10,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2021-11-23 02:16:10,250 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 91 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:10,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 0 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 02:16:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2021-11-23 02:16:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1039. [2021-11-23 02:16:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1030 states have (on average 1.8689320388349515) internal successors, (1925), 1038 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1925 transitions. [2021-11-23 02:16:10,280 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1925 transitions. Word has length 36 [2021-11-23 02:16:10,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:10,280 INFO L470 AbstractCegarLoop]: Abstraction has 1039 states and 1925 transitions. [2021-11-23 02:16:10,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1925 transitions. [2021-11-23 02:16:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 02:16:10,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:10,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:10,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 02:16:10,283 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:16:10,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:10,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1885077686, now seen corresponding path program 1 times [2021-11-23 02:16:10,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:10,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959512531] [2021-11-23 02:16:10,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:10,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:16:10,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:10,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959512531] [2021-11-23 02:16:10,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959512531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:10,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:10,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 02:16:10,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121290087] [2021-11-23 02:16:10,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:10,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 02:16:10,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:10,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 02:16:10,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:16:10,674 INFO L87 Difference]: Start difference. First operand 1039 states and 1925 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:13,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:13,835 INFO L93 Difference]: Finished difference Result 1033 states and 1913 transitions. [2021-11-23 02:16:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 02:16:13,835 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-23 02:16:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:13,837 INFO L225 Difference]: With dead ends: 1033 [2021-11-23 02:16:13,837 INFO L226 Difference]: Without dead ends: 1033 [2021-11-23 02:16:13,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:16:13,843 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 231 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:13,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 89 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 02:16:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2021-11-23 02:16:13,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1009. [2021-11-23 02:16:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1000 states have (on average 1.871) internal successors, (1871), 1008 states have internal predecessors, (1871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1871 transitions. [2021-11-23 02:16:13,869 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1871 transitions. Word has length 36 [2021-11-23 02:16:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:13,869 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1871 transitions. [2021-11-23 02:16:13,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:16:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1871 transitions. [2021-11-23 02:16:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 02:16:13,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:13,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:13,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 02:16:13,872 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-23 02:16:13,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:13,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2048240548, now seen corresponding path program 1 times [2021-11-23 02:16:13,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:13,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004181986] [2021-11-23 02:16:13,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:13,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:16:14,257 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:14,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004181986] [2021-11-23 02:16:14,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004181986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:14,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:14,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:16:14,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556946121] [2021-11-23 02:16:14,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:14,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:16:14,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:14,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:16:14,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:16:14,258 INFO L87 Difference]: Start difference. First operand 1009 states and 1871 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)