./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:51:15,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:51:15,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:51:16,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:51:16,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:51:16,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:51:16,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:51:16,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:51:16,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:51:16,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:51:16,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:51:16,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:51:16,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:51:16,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:51:16,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:51:16,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:51:16,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:51:16,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:51:16,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:51:16,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:51:16,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:51:16,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:51:16,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:51:16,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:51:16,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:51:16,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:51:16,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:51:16,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:51:16,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:51:16,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:51:16,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:51:16,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:51:16,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:51:16,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:51:16,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:51:16,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:51:16,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:51:16,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:51:16,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:51:16,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:51:16,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:51:16,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 03:51:16,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:51:16,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:51:16,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:51:16,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:51:16,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:51:16,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:51:16,155 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:51:16,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:51:16,156 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:51:16,156 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:51:16,157 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:51:16,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:51:16,158 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:51:16,158 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:51:16,158 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:51:16,158 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:51:16,159 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:51:16,159 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:51:16,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:51:16,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:51:16,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:51:16,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:51:16,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:51:16,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:51:16,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:51:16,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:51:16,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:51:16,164 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 03:51:16,164 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:51:16,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:51:16,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:51:16,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:51:16,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:51:16,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:51:16,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:51:16,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:51:16,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:51:16,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:51:16,167 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:51:16,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:51:16,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:51:16,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:51:16,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:51:16,168 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_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 [2021-11-23 03:51:16,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:51:16,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:51:16,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:51:16,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:51:16,558 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:51:16,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i [2021-11-23 03:51:16,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/data/0b4bfc716/3ea3f13f566f428aa77426c25b92a7c8/FLAGbfaf6b1d2 [2021-11-23 03:51:17,315 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:51:17,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i [2021-11-23 03:51:17,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/data/0b4bfc716/3ea3f13f566f428aa77426c25b92a7c8/FLAGbfaf6b1d2 [2021-11-23 03:51:17,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/data/0b4bfc716/3ea3f13f566f428aa77426c25b92a7c8 [2021-11-23 03:51:17,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:51:17,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:51:17,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:17,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:51:17,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:51:17,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:17" (1/1) ... [2021-11-23 03:51:17,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e88043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:17, skipping insertion in model container [2021-11-23 03:51:17,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:17" (1/1) ... [2021-11-23 03:51:17,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:51:17,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:51:18,069 WARN L230 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_c5268504-dc3f-4928-8773-b3d3a1d4baa7/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i[30416,30429] [2021-11-23 03:51:18,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:51:18,098 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:51:18,148 WARN L230 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_c5268504-dc3f-4928-8773-b3d3a1d4baa7/sv-benchmarks/c/pthread-atomic/read_write_lock-1b.i[30416,30429] [2021-11-23 03:51:18,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:51:18,196 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:51:18,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18 WrapperNode [2021-11-23 03:51:18,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:18,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:51:18,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:51:18,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:51:18,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,259 INFO L137 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 167 [2021-11-23 03:51:18,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:51:18,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:51:18,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:51:18,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:51:18,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:51:18,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:51:18,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:51:18,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:51:18,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (1/1) ... [2021-11-23 03:51:18,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:51:18,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:51:18,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:51:18,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5268504-dc3f-4928-8773-b3d3a1d4baa7/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:51:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:51:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:51:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:51:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-23 03:51:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-23 03:51:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:51:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:51:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:51:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:51:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:51:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-23 03:51:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-23 03:51:18,424 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 03:51:18,598 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:51:18,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:51:19,092 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:51:19,231 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:51:19,231 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:51:19,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:19 BoogieIcfgContainer [2021-11-23 03:51:19,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:51:19,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:51:19,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:51:19,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:51:19,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:51:17" (1/3) ... [2021-11-23 03:51:19,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54758d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:19, skipping insertion in model container [2021-11-23 03:51:19,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:18" (2/3) ... [2021-11-23 03:51:19,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54758d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:19, skipping insertion in model container [2021-11-23 03:51:19,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:19" (3/3) ... [2021-11-23 03:51:19,247 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1b.i [2021-11-23 03:51:19,255 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 03:51:19,256 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:51:19,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-23 03:51:19,256 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 03:51:19,323 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,323 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,324 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,324 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,325 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,325 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,325 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,326 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,326 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,326 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,326 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,327 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,327 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,328 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,328 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,328 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,328 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,329 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,329 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,329 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,330 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,330 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,330 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,330 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,331 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,331 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,331 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,331 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,331 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,332 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,332 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,332 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,333 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,333 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,333 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,333 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,335 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,335 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,336 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,336 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,336 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,337 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,337 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,337 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,338 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,338 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,338 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,338 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,339 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,339 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,339 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,339 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,340 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,340 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,341 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,341 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,341 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,341 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,342 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,342 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,342 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,369 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,370 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,370 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,370 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,370 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,370 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,371 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,371 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,371 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,371 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,371 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,371 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,371 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,372 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,372 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,372 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,372 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,372 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,372 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,372 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,373 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,373 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,373 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,373 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,373 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,374 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,374 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,374 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,374 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,374 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,374 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,375 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,375 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,375 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,375 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,375 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,375 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,376 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,376 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,376 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,376 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,376 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,381 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,382 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,383 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,383 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,383 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,384 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,384 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,384 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,385 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,386 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,386 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,386 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,386 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,386 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,387 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,387 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,387 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,387 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,388 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,388 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,388 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,388 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,388 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,389 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,389 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,390 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,390 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,390 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,391 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,391 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,391 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,391 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,391 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,392 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,392 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,393 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,393 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,394 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,394 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,394 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,394 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,394 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,395 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,395 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,397 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,397 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,398 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,398 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,398 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,399 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,399 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,399 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,399 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,400 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,400 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,400 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,400 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,401 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,401 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,401 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,401 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,404 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,404 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,404 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,404 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,405 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,405 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,405 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,405 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,406 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,406 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,406 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,406 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,406 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,407 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,407 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,407 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,407 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,407 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,408 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,408 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,408 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,408 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,408 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,409 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,409 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,409 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,409 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,409 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,410 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,410 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,410 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,411 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,411 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,412 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,412 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,412 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,412 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,413 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,417 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,417 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,418 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,418 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,419 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,420 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,420 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,420 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,421 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,428 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,428 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,429 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,429 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,429 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,429 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,429 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,430 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,430 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,435 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_release_read_lock_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,449 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,449 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,449 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,451 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,452 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1___VERIFIER_atomic_take_read_lock_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,453 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,453 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,454 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,454 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,454 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,454 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,456 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,456 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,457 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,457 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,458 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,458 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3___VERIFIER_atomic_take_write_lock_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,458 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,458 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,458 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,459 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:51:19,465 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-23 03:51:19,534 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:51:19,550 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:51:19,553 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-11-23 03:51:19,576 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 03:51:19,593 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 196 transitions, 424 flow [2021-11-23 03:51:19,597 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 196 transitions, 424 flow [2021-11-23 03:51:19,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 196 transitions, 424 flow [2021-11-23 03:51:19,734 INFO L129 PetriNetUnfolder]: 2/192 cut-off events. [2021-11-23 03:51:19,734 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-23 03:51:19,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 192 events. 2/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 362 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2021-11-23 03:51:19,756 INFO L116 LiptonReduction]: Number of co-enabled transitions 13728 [2021-11-23 03:51:25,214 INFO L131 LiptonReduction]: Checked pairs total: 107880 [2021-11-23 03:51:25,214 INFO L133 LiptonReduction]: Total number of compositions: 159 [2021-11-23 03:51:25,226 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 94 transitions, 220 flow [2021-11-23 03:51:37,340 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 298199 states, 290329 states have (on average 4.522961881176183) internal successors, (1313147), 298198 states have internal predecessors, (1313147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:51:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 298199 states, 290329 states have (on average 4.522961881176183) internal successors, (1313147), 298198 states have internal predecessors, (1313147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:51:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:51:37,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:51:37,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:51:37,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-23 03:51:37,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:51:37,765 INFO L85 PathProgramCache]: Analyzing trace with hash 693737, now seen corresponding path program 1 times [2021-11-23 03:51:37,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:51:37,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800096692] [2021-11-23 03:51:37,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:51:37,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:51:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:51:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:51:38,002 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:51:38,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800096692] [2021-11-23 03:51:38,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800096692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:51:38,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:51:38,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:51:38,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200221534] [2021-11-23 03:51:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:51:38,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:51:38,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:51:38,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:51:38,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:51:38,537 INFO L87 Difference]: Start difference. First operand has 298199 states, 290329 states have (on average 4.522961881176183) internal successors, (1313147), 298198 states have internal predecessors, (1313147), 0 states have call successors, (0), 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) [2021-11-23 03:51:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:51:41,016 INFO L93 Difference]: Finished difference Result 75657 states and 311628 transitions. [2021-11-23 03:51:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:51:41,023 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 [2021-11-23 03:51:41,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:51:42,370 INFO L225 Difference]: With dead ends: 75657 [2021-11-23 03:51:42,370 INFO L226 Difference]: Without dead ends: 75610 [2021-11-23 03:51:42,371 INFO L932 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 [2021-11-23 03:51:42,375 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:51:42,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:51:42,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75610 states. [2021-11-23 03:51:46,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75610 to 75610. [2021-11-23 03:51:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75610 states, 75386 states have (on average 4.131363913724034) internal successors, (311447), 75609 states have internal predecessors, (311447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:51:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75610 states to 75610 states and 311447 transitions. [2021-11-23 03:51:48,252 INFO L78 Accepts]: Start accepts. Automaton has 75610 states and 311447 transitions. Word has length 3 [2021-11-23 03:51:48,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:51:48,253 INFO L470 AbstractCegarLoop]: Abstraction has 75610 states and 311447 transitions. [2021-11-23 03:51:48,253 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) [2021-11-23 03:51:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 75610 states and 311447 transitions. [2021-11-23 03:51:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 03:51:48,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:51:48,254 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-23 03:51:48,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:51:48,257 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-23 03:51:48,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:51:48,260 INFO L85 PathProgramCache]: Analyzing trace with hash -807251549, now seen corresponding path program 1 times [2021-11-23 03:51:48,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:51:48,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50468258] [2021-11-23 03:51:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:51:48,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:51:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:51:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:51:48,427 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:51:48,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50468258] [2021-11-23 03:51:48,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50468258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:51:48,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:51:48,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:51:48,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257994062] [2021-11-23 03:51:48,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:51:48,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:51:48,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:51:48,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:51:48,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:51:48,430 INFO L87 Difference]: Start difference. First operand 75610 states and 311447 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) [2021-11-23 03:51:49,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:51:49,689 INFO L93 Difference]: Finished difference Result 82404 states and 340389 transitions. [2021-11-23 03:51:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:51:49,690 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 [2021-11-23 03:51:49,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:51:51,176 INFO L225 Difference]: With dead ends: 82404 [2021-11-23 03:51:51,176 INFO L226 Difference]: Without dead ends: 82404 [2021-11-23 03:51:51,177 INFO L932 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 [2021-11-23 03:51:51,181 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 45 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:51:51,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 69 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:51:51,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82404 states. [2021-11-23 03:51:54,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82404 to 82404. [2021-11-23 03:51:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82404 states, 82180 states have (on average 4.141993185689949) internal successors, (340389), 82403 states have internal predecessors, (340389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:51:56,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82404 states to 82404 states and 340389 transitions. [2021-11-23 03:51:56,017 INFO L78 Accepts]: Start accepts. Automaton has 82404 states and 340389 transitions. Word has length 6 [2021-11-23 03:51:56,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:51:56,018 INFO L470 AbstractCegarLoop]: Abstraction has 82404 states and 340389 transitions. [2021-11-23 03:51:56,018 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-11-23 03:51:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 82404 states and 340389 transitions. [2021-11-23 03:51:56,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 03:51:56,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:51:56,019 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:51:56,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:51:56,019 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-23 03:51:56,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:51:56,020 INFO L85 PathProgramCache]: Analyzing trace with hash 815373465, now seen corresponding path program 1 times [2021-11-23 03:51:56,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:51:56,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100847931] [2021-11-23 03:51:56,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:51:56,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:51:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:51:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:51:56,102 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:51:56,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100847931] [2021-11-23 03:51:56,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100847931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:51:56,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:51:56,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:51:56,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504369945] [2021-11-23 03:51:56,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:51:56,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:51:56,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:51:56,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:51:56,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:51:56,105 INFO L87 Difference]: Start difference. First operand 82404 states and 340389 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:51:58,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:51:58,478 INFO L93 Difference]: Finished difference Result 148368 states and 597866 transitions. [2021-11-23 03:51:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:51:58,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-23 03:51:58,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:51:59,496 INFO L225 Difference]: With dead ends: 148368 [2021-11-23 03:51:59,497 INFO L226 Difference]: Without dead ends: 148264 [2021-11-23 03:51:59,497 INFO L932 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 [2021-11-23 03:51:59,498 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 53 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:51:59,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 52 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:51:59,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148264 states. [2021-11-23 03:52:04,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148264 to 95168. [2021-11-23 03:52:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95168 states, 94944 states have (on average 4.117342854735423) internal successors, (390917), 95167 states have internal predecessors, (390917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:52:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95168 states to 95168 states and 390917 transitions. [2021-11-23 03:52:05,564 INFO L78 Accepts]: Start accepts. Automaton has 95168 states and 390917 transitions. Word has length 7 [2021-11-23 03:52:05,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:52:05,564 INFO L470 AbstractCegarLoop]: Abstraction has 95168 states and 390917 transitions. [2021-11-23 03:52:05,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:52:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 95168 states and 390917 transitions. [2021-11-23 03:52:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 03:52:05,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:52:05,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:52:05,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:52:05,566 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr4ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-23 03:52:05,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:52:05,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1306062217, now seen corresponding path program 1 times [2021-11-23 03:52:05,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:52:05,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100708309] [2021-11-23 03:52:05,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:52:05,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:52:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:52:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:52:05,650 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:52:05,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100708309] [2021-11-23 03:52:05,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100708309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:52:05,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:52:05,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:52:05,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406390976] [2021-11-23 03:52:05,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:52:05,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:52:05,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:52:05,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:52:05,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:52:05,660 INFO L87 Difference]: Start difference. First operand 95168 states and 390917 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:52:07,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:52:07,585 INFO L93 Difference]: Finished difference Result 103114 states and 424427 transitions. [2021-11-23 03:52:07,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:52:07,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-23 03:52:07,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:52:08,291 INFO L225 Difference]: With dead ends: 103114 [2021-11-23 03:52:08,292 INFO L226 Difference]: Without dead ends: 102880 [2021-11-23 03:52:08,292 INFO L932 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 [2021-11-23 03:52:08,293 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 46 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:52:08,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 92 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:52:08,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102880 states. [2021-11-23 03:52:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102880 to 102880. [2021-11-23 03:52:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102880 states, 102656 states have (on average 4.1229738154613464) internal successors, (423248), 102879 states have internal predecessors, (423248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:52:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102880 states to 102880 states and 423248 transitions. [2021-11-23 03:52:12,794 INFO L78 Accepts]: Start accepts. Automaton has 102880 states and 423248 transitions. Word has length 9 [2021-11-23 03:52:12,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:52:12,794 INFO L470 AbstractCegarLoop]: Abstraction has 102880 states and 423248 transitions. [2021-11-23 03:52:12,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:52:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 102880 states and 423248 transitions. [2021-11-23 03:52:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 03:52:12,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:52:12,796 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:52:12,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:52:12,797 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2021-11-23 03:52:12,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:52:12,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1767631679, now seen corresponding path program 1 times [2021-11-23 03:52:12,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:52:12,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894798523] [2021-11-23 03:52:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:52:12,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:52:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:52:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:52:12,873 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:52:12,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894798523] [2021-11-23 03:52:12,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894798523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:52:12,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:52:12,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:52:12,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487783775] [2021-11-23 03:52:12,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:52:12,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:52:12,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:52:12,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:52:12,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:52:12,875 INFO L87 Difference]: Start difference. First operand 102880 states and 423248 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)