./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8 --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 7b71c781c26c072fdf5838e0877462128517513c3df1f3bde9f2474cb4533ecb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:04,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:04,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:04,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:04,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:04,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:04,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:04,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:04,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:04,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:04,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:04,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:04,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:04,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:04,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:04,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:04,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:04,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:04,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:04,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:04,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:04,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:04,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:04,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:04,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:04,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:04,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:04,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:04,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:04,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:04,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:04,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:04,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:04,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:04,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:04,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:04,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:04,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:04,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:04,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:04,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:04,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-07 00:53:04,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:04,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:04,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:04,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:04,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:04,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:04,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:04,391 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:04,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:04,391 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:04,392 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:04,392 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:04,393 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:04,393 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:04,393 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:04,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:04,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:04,395 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 00:53:04,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:04,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:04,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:04,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:04,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:04,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:04,396 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-07 00:53:04,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:04,397 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:04,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:04,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:04,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:04,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:04,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:04,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:04,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:04,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:04,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:04,400 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:04,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:04,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:04,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:04,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:04,401 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_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b71c781c26c072fdf5838e0877462128517513c3df1f3bde9f2474cb4533ecb [2021-11-07 00:53:04,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:04,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:04,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:04,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:04,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:04,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i [2021-11-07 00:53:04,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/data/cd03e6d5f/a138de87414248acb31a73b2f84eb04e/FLAG89b6210ee [2021-11-07 00:53:05,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:05,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i [2021-11-07 00:53:05,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/data/cd03e6d5f/a138de87414248acb31a73b2f84eb04e/FLAG89b6210ee [2021-11-07 00:53:05,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/data/cd03e6d5f/a138de87414248acb31a73b2f84eb04e [2021-11-07 00:53:05,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:05,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:05,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:05,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:05,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:05,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:05" (1/1) ... [2021-11-07 00:53:05,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216e344d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:05, skipping insertion in model container [2021-11-07 00:53:05,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:05" (1/1) ... [2021-11-07 00:53:05,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:05,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:06,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i[30358,30371] [2021-11-07 00:53:06,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:06,292 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:06,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/sv-benchmarks/c/pthread-atomic/read_write_lock-2b.i[30358,30371] [2021-11-07 00:53:06,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:06,412 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:06,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06 WrapperNode [2021-11-07 00:53:06,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:06,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:06,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:06,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:06,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:06,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:06,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:06,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:06,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:06,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:06,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:06,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:06,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:06,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:06,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014d9637-f6a6-4b45-a7de-a5e627279ae0/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-07 00:53:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-07 00:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-07 00:53:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-07 00:53:06,666 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 00:53:07,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:07,439 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 00:53:07,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:07 BoogieIcfgContainer [2021-11-07 00:53:07,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:07,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:07,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:07,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:07,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:05" (1/3) ... [2021-11-07 00:53:07,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5cf27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:07, skipping insertion in model container [2021-11-07 00:53:07,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (2/3) ... [2021-11-07 00:53:07,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5cf27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:07, skipping insertion in model container [2021-11-07 00:53:07,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:07" (3/3) ... [2021-11-07 00:53:07,449 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2b.i [2021-11-07 00:53:07,455 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 00:53:07,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:07,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-07 00:53:07,455 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 00:53:07,512 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,512 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,512 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,512 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,513 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,513 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,513 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,513 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,513 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,514 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,514 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,514 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,514 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,514 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,515 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,515 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,515 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,515 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,515 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,516 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,516 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,516 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,516 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,516 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,516 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,517 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,517 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,517 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,517 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,517 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,518 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,518 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,518 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,519 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,519 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,519 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,519 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,519 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,520 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,520 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,520 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,520 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,521 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,521 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,522 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,522 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,522 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,522 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,522 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,523 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,523 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,523 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,523 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,524 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,525 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,525 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,525 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,525 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,526 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,526 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,526 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,527 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,527 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,527 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,527 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,527 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,528 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,528 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,528 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,528 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,528 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,529 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,529 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,530 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,530 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,530 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,530 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,530 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,531 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,531 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,532 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,532 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,532 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,532 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,532 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,533 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,533 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,533 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,534 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,534 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,534 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,534 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,534 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,535 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,535 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,535 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,535 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,535 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,536 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,536 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,537 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,537 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,537 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,537 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,537 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,538 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,538 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,538 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,538 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,539 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,539 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,539 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,539 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,539 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,540 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,540 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,540 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,541 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,541 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,541 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,541 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,542 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,542 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,542 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,542 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,542 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,542 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,543 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,544 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,544 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,545 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,545 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,546 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,546 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,546 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,546 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,547 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,547 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,547 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,548 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,549 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,550 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,551 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,552 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,553 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,553 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,553 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,554 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,554 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,554 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,555 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,556 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,556 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,557 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,557 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,557 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,557 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,557 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,558 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,558 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,558 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,558 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,559 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,559 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,559 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,560 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,560 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,560 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,560 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,560 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,561 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,561 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,561 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,561 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,561 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,562 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,562 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,562 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,562 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,562 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,563 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,563 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,563 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,563 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,563 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,564 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,564 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,567 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,567 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,567 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,567 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,568 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,568 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,568 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,568 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,568 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,569 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,571 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,571 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,572 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,572 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,572 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,572 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,572 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,573 WARN L322 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,573 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,573 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1___VERIFIER_atomic_take_write_lock_#t~short5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,575 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,575 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,575 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,576 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,576 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,576 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,576 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,576 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,577 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,577 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,579 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,579 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,579 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,580 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,580 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,580 WARN L322 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,580 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,580 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,581 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,581 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3___VERIFIER_atomic_take_read_lock_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:07,591 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-07 00:53:07,635 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:07,641 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 [2021-11-07 00:53:07,642 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-11-07 00:53:07,660 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 00:53:07,670 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 206 transitions, 444 flow [2021-11-07 00:53:07,673 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 206 transitions, 444 flow [2021-11-07 00:53:07,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 206 transitions, 444 flow [2021-11-07 00:53:07,754 INFO L129 PetriNetUnfolder]: 2/202 cut-off events. [2021-11-07 00:53:07,755 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-07 00:53:07,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 202 events. 2/202 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 404 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2021-11-07 00:53:07,777 INFO L116 LiptonReduction]: Number of co-enabled transitions 16682 [2021-11-07 00:53:14,021 INFO L131 LiptonReduction]: Checked pairs total: 140345 [2021-11-07 00:53:14,021 INFO L133 LiptonReduction]: Total number of compositions: 153 [2021-11-07 00:53:14,029 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 116 places, 105 transitions, 242 flow [2021-11-07 00:53:31,111 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 439459 states, 431590 states have (on average 4.531342246113209) internal successors, (1955682), 439458 states have internal predecessors, (1955682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 439459 states, 431590 states have (on average 4.531342246113209) internal successors, (1955682), 439458 states have internal predecessors, (1955682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 00:53:31,868 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:31,868 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 00:53:31,869 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-07 00:53:31,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash 688512, now seen corresponding path program 1 times [2021-11-07 00:53:31,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:31,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203771783] [2021-11-07 00:53:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:31,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:32,136 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:32,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203771783] [2021-11-07 00:53:32,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203771783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:32,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:32,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 00:53:32,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932740390] [2021-11-07 00:53:32,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:53:32,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:32,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:53:32,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:32,972 INFO L87 Difference]: Start difference. First operand has 439459 states, 431590 states have (on average 4.531342246113209) internal successors, (1955682), 439458 states have internal predecessors, (1955682), 0 states have call successors, (0), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:35,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:35,962 INFO L93 Difference]: Finished difference Result 143571 states and 597046 transitions. [2021-11-07 00:53:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:53:35,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-07 00:53:35,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:38,281 INFO L225 Difference]: With dead ends: 143571 [2021-11-07 00:53:38,282 INFO L226 Difference]: Without dead ends: 143564 [2021-11-07 00:53:38,283 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:38,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143564 states. [2021-11-07 00:53:44,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143564 to 143564. [2021-11-07 00:53:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143564 states, 143124 states have (on average 4.171354909029932) internal successors, (597021), 143563 states have internal predecessors, (597021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143564 states to 143564 states and 597021 transitions. [2021-11-07 00:53:45,457 INFO L78 Accepts]: Start accepts. Automaton has 143564 states and 597021 transitions. Word has length 3 [2021-11-07 00:53:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:45,458 INFO L470 AbstractCegarLoop]: Abstraction has 143564 states and 597021 transitions. [2021-11-07 00:53:45,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 143564 states and 597021 transitions. [2021-11-07 00:53:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 00:53:45,459 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:45,459 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 00:53:45,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:53:45,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-07 00:53:45,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:45,460 INFO L85 PathProgramCache]: Analyzing trace with hash -962901361, now seen corresponding path program 1 times [2021-11-07 00:53:45,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:45,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554853403] [2021-11-07 00:53:45,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:45,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:45,526 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:45,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554853403] [2021-11-07 00:53:45,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554853403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:45,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:45,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:53:45,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683973406] [2021-11-07 00:53:45,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:53:45,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:45,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:53:45,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:45,530 INFO L87 Difference]: Start difference. First operand 143564 states and 597021 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:47,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:47,718 INFO L93 Difference]: Finished difference Result 156532 states and 652759 transitions. [2021-11-07 00:53:47,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:47,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 00:53:47,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:49,802 INFO L225 Difference]: With dead ends: 156532 [2021-11-07 00:53:49,802 INFO L226 Difference]: Without dead ends: 156532 [2021-11-07 00:53:49,803 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:50,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156532 states. [2021-11-07 00:53:56,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156532 to 156532. [2021-11-07 00:53:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156532 states, 156092 states have (on average 4.181886323450273) internal successors, (652759), 156531 states have internal predecessors, (652759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)