./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:49:11,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:49:11,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:49:11,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:49:11,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:49:11,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:49:11,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:49:11,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:49:11,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:49:11,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:49:11,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:49:11,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:49:11,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:49:11,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:49:11,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:49:11,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:49:11,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:49:11,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:49:11,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:49:11,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:49:11,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:49:11,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:49:11,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:49:11,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:49:11,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:49:11,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:49:11,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:49:11,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:49:11,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:49:11,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:49:11,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:49:11,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:49:11,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:49:11,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:49:11,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:49:11,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:49:11,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:49:11,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:49:11,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:49:11,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:49:11,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:49:11,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:49:11,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:49:11,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:49:11,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:49:11,330 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:49:11,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:49:11,330 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:49:11,331 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:49:11,331 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:49:11,331 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:49:11,332 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:49:11,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:49:11,333 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:49:11,334 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:49:11,334 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:49:11,334 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:49:11,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:49:11,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:49:11,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:49:11,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:49:11,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:49:11,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:49:11,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:49:11,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:49:11,338 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:49:11,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:49:11,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:49:11,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:49:11,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:49:11,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:49:11,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:49:11,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:49:11,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:49:11,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:49:11,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:49:11,342 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:49:11,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:49:11,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:49:11,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:49:11,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:49:11,343 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_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 [2021-10-29 04:49:11,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:49:11,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:49:11,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:49:11,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:49:11,711 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:49:11,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-10-29 04:49:11,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/data/4ff69db35/1aef9a3343b4407185aa46552d20d70a/FLAG6da796f66 [2021-10-29 04:49:12,620 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:49:12,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-10-29 04:49:12,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/data/4ff69db35/1aef9a3343b4407185aa46552d20d70a/FLAG6da796f66 [2021-10-29 04:49:12,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/data/4ff69db35/1aef9a3343b4407185aa46552d20d70a [2021-10-29 04:49:12,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:49:12,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:49:12,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:49:12,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:49:12,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:49:12,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:49:12" (1/1) ... [2021-10-29 04:49:12,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfa6bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:12, skipping insertion in model container [2021-10-29 04:49:12,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:49:12" (1/1) ... [2021-10-29 04:49:12,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:49:12,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:49:13,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-10-29 04:49:13,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-10-29 04:49:13,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:49:13,452 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:49:13,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-10-29 04:49:13,558 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-10-29 04:49:13,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:49:13,650 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:49:13,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13 WrapperNode [2021-10-29 04:49:13,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:49:13,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:49:13,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:49:13,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:49:13,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:49:13,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:49:13,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:49:13,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:49:13,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:49:13,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:49:13,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:49:13,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:49:13,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (1/1) ... [2021-10-29 04:49:13,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:49:13,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:49:13,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:49:13,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:49:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-10-29 04:49:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-10-29 04:49:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-10-29 04:49:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-10-29 04:49:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:49:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:49:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-10-29 04:49:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-10-29 04:49:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 04:49:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:49:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:49:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:49:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:49:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:49:14,021 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 04:49:15,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:49:15,423 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 04:49:15,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:49:15 BoogieIcfgContainer [2021-10-29 04:49:15,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:49:15,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:49:15,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:49:15,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:49:15,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:49:12" (1/3) ... [2021-10-29 04:49:15,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f73f391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:49:15, skipping insertion in model container [2021-10-29 04:49:15,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:49:13" (2/3) ... [2021-10-29 04:49:15,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f73f391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:49:15, skipping insertion in model container [2021-10-29 04:49:15,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:49:15" (3/3) ... [2021-10-29 04:49:15,442 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2021-10-29 04:49:15,449 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 04:49:15,450 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:49:15,450 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-29 04:49:15,450 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 04:49:15,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,523 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,524 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,524 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,525 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,527 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,527 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,529 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,530 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,530 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,531 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,532 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,538 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,539 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,542 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,543 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,543 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,544 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,544 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,545 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,545 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,545 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,545 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,545 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,546 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,546 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,547 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,547 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,548 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,549 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,553 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,554 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,555 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,555 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,555 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,556 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,557 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,557 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,557 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,570 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,570 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,570 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,570 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,570 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,571 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,571 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,571 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,571 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,571 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,571 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,572 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,572 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,572 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,572 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,573 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,573 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,573 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,575 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,576 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,576 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,577 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,577 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,578 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,578 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,578 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,578 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,582 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,582 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,583 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,583 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,584 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,584 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,584 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,585 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,585 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,587 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,587 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,588 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,588 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,588 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,588 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,589 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,590 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,590 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,590 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,590 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,590 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,591 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,591 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,591 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,591 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,591 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,592 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,593 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,593 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,593 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,593 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,593 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,595 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,595 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,595 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,595 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,595 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,595 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,596 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,596 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,596 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,596 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,597 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,597 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,597 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,597 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,597 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,598 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,598 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,598 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,601 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,607 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,608 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,608 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,608 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,608 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,608 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,609 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,609 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,609 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,612 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,612 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,613 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,613 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,614 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,614 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,614 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,614 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,614 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,614 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,615 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,615 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,615 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,615 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,616 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,616 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,616 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,616 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,617 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,617 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,632 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,633 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,633 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,633 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,633 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,633 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,634 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,634 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,634 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,634 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,634 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,634 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,636 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,636 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,636 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,636 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,636 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,637 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,637 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,637 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,637 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,638 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,638 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,638 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,638 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,638 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,643 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,643 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,644 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,644 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,644 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,644 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,644 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,644 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,645 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,645 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,645 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,645 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,645 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,645 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,646 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,646 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,646 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,647 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,647 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,647 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,647 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,647 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,648 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,648 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,648 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,648 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,648 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,649 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,649 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,649 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,649 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,649 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,658 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,659 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,659 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,659 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,659 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,660 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,660 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,660 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,662 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,662 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,662 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,663 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,663 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,663 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,663 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,663 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,664 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,664 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,664 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,668 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,668 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,669 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,669 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,669 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,669 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,670 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,670 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,670 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,670 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,670 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,670 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,671 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,675 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,675 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,675 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,675 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,675 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,676 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,676 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,676 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,676 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,676 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,677 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,677 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,677 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,677 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,677 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,678 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,678 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,678 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,678 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,678 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,679 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,680 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:49:15,689 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-29 04:49:15,761 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:49:15,770 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 [2021-10-29 04:49:15,770 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-29 04:49:15,791 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 04:49:15,805 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 174 transitions, 372 flow [2021-10-29 04:49:15,808 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 174 transitions, 372 flow [2021-10-29 04:49:15,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 174 transitions, 372 flow [2021-10-29 04:49:15,897 INFO L129 PetriNetUnfolder]: 18/171 cut-off events. [2021-10-29 04:49:15,898 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-29 04:49:15,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 171 events. 18/171 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 320 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2021-10-29 04:49:15,919 INFO L116 LiptonReduction]: Number of co-enabled transitions 9450 [2021-10-29 04:49:24,123 INFO L131 LiptonReduction]: Checked pairs total: 19514 [2021-10-29 04:49:24,123 INFO L133 LiptonReduction]: Total number of compositions: 133 [2021-10-29 04:49:24,133 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 64 transitions, 152 flow [2021-10-29 04:49:24,321 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2946 states, 2944 states have (on average 4.063179347826087) internal successors, (11962), 2945 states have internal predecessors, (11962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 2946 states, 2944 states have (on average 4.063179347826087) internal successors, (11962), 2945 states have internal predecessors, (11962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:49:24,357 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:24,358 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:24,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 04:49:24,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:24,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1556784785, now seen corresponding path program 1 times [2021-10-29 04:49:24,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:49:24,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729220268] [2021-10-29 04:49:24,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:24,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:49:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:49:24,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:49:24,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729220268] [2021-10-29 04:49:24,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729220268] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:24,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:24,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 04:49:24,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841698625] [2021-10-29 04:49:24,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:49:24,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:49:24,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:49:24,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:24,805 INFO L87 Difference]: Start difference. First operand has 2946 states, 2944 states have (on average 4.063179347826087) internal successors, (11962), 2945 states have internal predecessors, (11962), 0 states have call successors, (0), 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 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:24,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:24,974 INFO L93 Difference]: Finished difference Result 3458 states and 13034 transitions. [2021-10-29 04:49:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:49:24,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 04:49:24,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:25,047 INFO L225 Difference]: With dead ends: 3458 [2021-10-29 04:49:25,047 INFO L226 Difference]: Without dead ends: 3458 [2021-10-29 04:49:25,049 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:25,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2021-10-29 04:49:25,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3074. [2021-10-29 04:49:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 3072 states have (on average 3.8430989583333335) internal successors, (11806), 3073 states have internal predecessors, (11806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 11806 transitions. [2021-10-29 04:49:25,433 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 11806 transitions. Word has length 12 [2021-10-29 04:49:25,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:25,434 INFO L470 AbstractCegarLoop]: Abstraction has 3074 states and 11806 transitions. [2021-10-29 04:49:25,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 11806 transitions. [2021-10-29 04:49:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:49:25,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:25,441 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:25,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 04:49:25,442 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 04:49:25,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:25,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1021036740, now seen corresponding path program 1 times [2021-10-29 04:49:25,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:49:25,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79135378] [2021-10-29 04:49:25,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:25,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:49:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:49:25,650 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:49:25,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79135378] [2021-10-29 04:49:25,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79135378] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:25,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:25,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 04:49:25,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089884711] [2021-10-29 04:49:25,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:49:25,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:49:25,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:49:25,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:25,653 INFO L87 Difference]: Start difference. First operand 3074 states and 11806 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:25,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:25,721 INFO L93 Difference]: Finished difference Result 3004 states and 11533 transitions. [2021-10-29 04:49:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:49:25,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-29 04:49:25,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:25,762 INFO L225 Difference]: With dead ends: 3004 [2021-10-29 04:49:25,762 INFO L226 Difference]: Without dead ends: 3004 [2021-10-29 04:49:25,763 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3004 states. [2021-10-29 04:49:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3004 to 3004. [2021-10-29 04:49:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3004 states, 3002 states have (on average 3.8417721518987342) internal successors, (11533), 3003 states have internal predecessors, (11533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:26,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 3004 states and 11533 transitions. [2021-10-29 04:49:26,035 INFO L78 Accepts]: Start accepts. Automaton has 3004 states and 11533 transitions. Word has length 13 [2021-10-29 04:49:26,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:26,035 INFO L470 AbstractCegarLoop]: Abstraction has 3004 states and 11533 transitions. [2021-10-29 04:49:26,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3004 states and 11533 transitions. [2021-10-29 04:49:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:49:26,039 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:26,039 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:26,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 04:49:26,040 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 04:49:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:26,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1021036797, now seen corresponding path program 1 times [2021-10-29 04:49:26,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:49:26,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787297639] [2021-10-29 04:49:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:26,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:49:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:49:26,150 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:49:26,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787297639] [2021-10-29 04:49:26,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787297639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:26,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:26,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 04:49:26,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576278235] [2021-10-29 04:49:26,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:49:26,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:49:26,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:49:26,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:26,158 INFO L87 Difference]: Start difference. First operand 3004 states and 11533 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:26,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:26,226 INFO L93 Difference]: Finished difference Result 2932 states and 11259 transitions. [2021-10-29 04:49:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:49:26,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-29 04:49:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:26,266 INFO L225 Difference]: With dead ends: 2932 [2021-10-29 04:49:26,267 INFO L226 Difference]: Without dead ends: 2932 [2021-10-29 04:49:26,267 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2021-10-29 04:49:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2932. [2021-10-29 04:49:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2930 states have (on average 3.8426621160409558) internal successors, (11259), 2931 states have internal predecessors, (11259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 11259 transitions. [2021-10-29 04:49:26,545 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 11259 transitions. Word has length 13 [2021-10-29 04:49:26,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:26,546 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 11259 transitions. [2021-10-29 04:49:26,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 11259 transitions. [2021-10-29 04:49:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:49:26,555 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:26,555 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:26,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 04:49:26,555 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 04:49:26,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:26,556 INFO L85 PathProgramCache]: Analyzing trace with hash 418024916, now seen corresponding path program 1 times [2021-10-29 04:49:26,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:49:26,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052517166] [2021-10-29 04:49:26,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:26,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:49:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:49:26,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:49:26,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052517166] [2021-10-29 04:49:26,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052517166] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:26,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:26,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 04:49:26,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106196638] [2021-10-29 04:49:26,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:49:26,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:49:26,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:49:26,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:49:26,751 INFO L87 Difference]: Start difference. First operand 2932 states and 11259 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:27,038 INFO L93 Difference]: Finished difference Result 3082 states and 11832 transitions. [2021-10-29 04:49:27,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 04:49:27,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 04:49:27,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:27,092 INFO L225 Difference]: With dead ends: 3082 [2021-10-29 04:49:27,092 INFO L226 Difference]: Without dead ends: 3082 [2021-10-29 04:49:27,093 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:49:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2021-10-29 04:49:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 2950. [2021-10-29 04:49:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 2948 states have (on average 3.8134328358208953) internal successors, (11242), 2949 states have internal predecessors, (11242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 11242 transitions. [2021-10-29 04:49:27,321 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 11242 transitions. Word has length 17 [2021-10-29 04:49:27,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:27,322 INFO L470 AbstractCegarLoop]: Abstraction has 2950 states and 11242 transitions. [2021-10-29 04:49:27,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 11242 transitions. [2021-10-29 04:49:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:49:27,329 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:27,329 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:27,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 04:49:27,330 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 04:49:27,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:27,331 INFO L85 PathProgramCache]: Analyzing trace with hash -50248310, now seen corresponding path program 1 times [2021-10-29 04:49:27,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:49:27,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965477980] [2021-10-29 04:49:27,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:27,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:49:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:49:27,469 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 04:49:27,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965477980] [2021-10-29 04:49:27,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965477980] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:27,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:27,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 04:49:27,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944811970] [2021-10-29 04:49:27,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:49:27,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 04:49:27,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:49:27,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:49:27,472 INFO L87 Difference]: Start difference. First operand 2950 states and 11242 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:27,878 INFO L93 Difference]: Finished difference Result 3710 states and 13694 transitions. [2021-10-29 04:49:27,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 04:49:27,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 04:49:27,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:27,910 INFO L225 Difference]: With dead ends: 3710 [2021-10-29 04:49:27,910 INFO L226 Difference]: Without dead ends: 3710 [2021-10-29 04:49:27,911 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:49:27,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2021-10-29 04:49:28,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3324. [2021-10-29 04:49:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 3322 states have (on average 3.7618904274533413) internal successors, (12497), 3323 states have internal predecessors, (12497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 12497 transitions. [2021-10-29 04:49:28,171 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 12497 transitions. Word has length 17 [2021-10-29 04:49:28,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:28,171 INFO L470 AbstractCegarLoop]: Abstraction has 3324 states and 12497 transitions. [2021-10-29 04:49:28,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 12497 transitions. [2021-10-29 04:49:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:49:28,182 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:28,183 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:28,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 04:49:28,183 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 04:49:28,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:28,184 INFO L85 PathProgramCache]: Analyzing trace with hash 769736026, now seen corresponding path program 2 times [2021-10-29 04:49:28,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 04:49:28,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455706089] [2021-10-29 04:49:28,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:28,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:49:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:49:28,240 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:49:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:49:28,356 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 04:49:28,357 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 04:49:28,358 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:49:28,360 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:49:28,361 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:49:28,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 04:49:28,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 04:49:28,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 04:49:28,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:49:28,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 04:49:28,366 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-10-29 04:49:28,389 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 04:49:28,389 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:49:28,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:49:28 BasicIcfg [2021-10-29 04:49:28,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:49:28,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:49:28,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:49:28,518 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:49:28,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:49:15" (3/4) ... [2021-10-29 04:49:28,537 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:49:28,686 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:49:28,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:49:28,688 INFO L168 Benchmark]: Toolchain (without parser) took 15868.31 ms. Allocated memory was 102.8 MB in the beginning and 239.1 MB in the end (delta: 136.3 MB). Free memory was 74.4 MB in the beginning and 122.3 MB in the end (delta: -47.9 MB). Peak memory consumption was 85.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:28,689 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 102.8 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:49:28,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.40 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 74.2 MB in the beginning and 108.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:28,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.17 ms. Allocated memory is still 144.7 MB. Free memory was 108.5 MB in the beginning and 105.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:28,691 INFO L168 Benchmark]: Boogie Preprocessor took 110.23 ms. Allocated memory is still 144.7 MB. Free memory was 105.9 MB in the beginning and 103.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:28,691 INFO L168 Benchmark]: RCFGBuilder took 1529.71 ms. Allocated memory is still 144.7 MB. Free memory was 103.9 MB in the beginning and 109.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:28,692 INFO L168 Benchmark]: TraceAbstraction took 13085.96 ms. Allocated memory was 144.7 MB in the beginning and 239.1 MB in the end (delta: 94.4 MB). Free memory was 108.8 MB in the beginning and 131.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 120.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:28,693 INFO L168 Benchmark]: Witness Printer took 168.50 ms. Allocated memory is still 239.1 MB. Free memory was 131.6 MB in the beginning and 122.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:28,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 102.8 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 830.40 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 74.2 MB in the beginning and 108.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.17 ms. Allocated memory is still 144.7 MB. Free memory was 108.5 MB in the beginning and 105.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.23 ms. Allocated memory is still 144.7 MB. Free memory was 105.9 MB in the beginning and 103.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1529.71 ms. Allocated memory is still 144.7 MB. Free memory was 103.9 MB in the beginning and 109.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13085.96 ms. Allocated memory was 144.7 MB in the beginning and 239.1 MB in the end (delta: 94.4 MB). Free memory was 108.8 MB in the beginning and 131.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 120.3 MB. Max. memory is 16.1 GB. * Witness Printer took 168.50 ms. Allocated memory is still 239.1 MB. Free memory was 131.6 MB in the beginning and 122.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.3s, 166 PlacesBefore, 61 PlacesAfterwards, 174 TransitionsBefore, 64 TransitionsAfterwards, 9450 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 133 TotalNumberOfCompositions, 19514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10849, positive: 10524, positive conditional: 0, positive unconditional: 10524, negative: 325, negative conditional: 0, negative unconditional: 325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6176, positive: 6064, positive conditional: 0, positive unconditional: 6064, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6176, positive: 6025, positive conditional: 0, positive unconditional: 6025, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 151, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 583, positive: 169, positive conditional: 0, positive unconditional: 169, negative: 414, negative conditional: 0, negative unconditional: 414, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10849, positive: 4460, positive conditional: 0, positive unconditional: 4460, negative: 213, negative conditional: 0, negative unconditional: 213, unknown: 6176, unknown conditional: 0, unknown unconditional: 6176] , Statistics on independence cache: Total cache size (in pairs): 620, Positive cache size: 575, Positive conditional cache size: 0, Positive unconditional cache size: 575, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 712]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int idx=0; [L690] 0 int ctr1=1, ctr2=0; [L691] 0 int readerprogress1=0, readerprogress2=0; [L692] 0 pthread_mutex_t mutex; [L782] 0 pthread_t t1, t2, t3; [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L724] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L725] COND TRUE 1 1 [L726] 1 myidx = idx [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L762] 3 int i; [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L764] 3 int sum; [L765] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L706] 3 readerstart1 = readerprogress1 [L707] 3 readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L766] COND FALSE 3 !(__VERIFIER_nondet_int()) [L766] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L766] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L767] COND TRUE 3 sum <= 1 [L767] COND TRUE 3 __VERIFIER_nondet_int() [L767] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L767] 3 sum = sum + ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L769] COND FALSE 3 !(sum > 1) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L727] COND TRUE 1 __VERIFIER_nondet_int() [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 1 ctr1++ [L728] RET 1 __VERIFIER_atomic_use1(myidx) [L737] 1 readerprogress1 = 1 VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=1, readerprogress2=0] [L777] CALL 3 __VERIFIER_atomic_check_progress1(readerstart1) [L710] COND TRUE 3 __VERIFIER_nondet_int() [L711] CALL 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L3] COND FALSE 3 !(!cond) [L711] RET 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L712] COND TRUE 3 !(0) [L712] 3 reach_error() VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=1, readerprogress2=0] - UnprovableResult [Line: 719]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 256 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 351 SDtfs, 329 SDslu, 469 SDs, 0 SdLazy, 351 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3324occurred in iteration=5, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 902 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:49:28,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b203e35d-85b9-4723-8a65-207d9f5950a0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...