./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 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5673895c5fc66df893e7d6b119c1b0d457c2bfab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-wip.dd.seqcomp-5fbdf5b [2021-08-29 22:02:53,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 22:02:53,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 22:02:53,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 22:02:53,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 22:02:53,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 22:02:53,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 22:02:53,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 22:02:53,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 22:02:53,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 22:02:53,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 22:02:53,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 22:02:53,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 22:02:53,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 22:02:53,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 22:02:53,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 22:02:53,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 22:02:53,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 22:02:53,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 22:02:53,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 22:02:53,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 22:02:53,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 22:02:53,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 22:02:53,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 22:02:53,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 22:02:53,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 22:02:53,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 22:02:53,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 22:02:53,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 22:02:53,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 22:02:53,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 22:02:53,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 22:02:53,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 22:02:53,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 22:02:53,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 22:02:53,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 22:02:53,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 22:02:53,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 22:02:53,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 22:02:53,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 22:02:53,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 22:02:53,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 22:02:53,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 22:02:53,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 22:02:53,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 22:02:53,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 22:02:53,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 22:02:53,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 22:02:53,609 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 22:02:53,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 22:02:53,609 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 22:02:53,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 22:02:53,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 22:02:53,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 22:02:53,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 22:02:53,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 22:02:53,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 22:02:53,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 22:02:53,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 22:02:53,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 22:02:53,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 22:02:53,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 22:02:53,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 22:02:53,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 22:02:53,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:02:53,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 22:02:53,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 22:02:53,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 22:02:53,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 22:02:53,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 22:02:53,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 22:02:53,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 22:02:53,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5673895c5fc66df893e7d6b119c1b0d457c2bfab [2021-08-29 22:02:53,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 22:02:53,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 22:02:53,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 22:02:53,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 22:02:53,863 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 22:02:53,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-08-29 22:02:53,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949185682/c94c04366341441f88cf545099c25634/FLAG2e2fbacd4 [2021-08-29 22:02:54,340 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 22:02:54,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-08-29 22:02:54,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949185682/c94c04366341441f88cf545099c25634/FLAG2e2fbacd4 [2021-08-29 22:02:54,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949185682/c94c04366341441f88cf545099c25634 [2021-08-29 22:02:54,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 22:02:54,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 22:02:54,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 22:02:54,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 22:02:54,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 22:02:54,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abe4f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54, skipping insertion in model container [2021-08-29 22:02:54,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 22:02:54,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 22:02:54,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-08-29 22:02:54,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-08-29 22:02:54,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:02:54,685 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 22:02:54,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-08-29 22:02:54,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-08-29 22:02:54,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:02:54,747 INFO L208 MainTranslator]: Completed translation [2021-08-29 22:02:54,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54 WrapperNode [2021-08-29 22:02:54,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 22:02:54,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 22:02:54,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 22:02:54,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 22:02:54,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 22:02:54,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 22:02:54,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 22:02:54,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 22:02:54,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 22:02:54,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 22:02:54,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 22:02:54,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 22:02:54,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (1/1) ... [2021-08-29 22:02:54,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:02:54,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 22:02:54,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 22:02:54,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 22:02:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-08-29 22:02:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-08-29 22:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-08-29 22:02:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-08-29 22:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 22:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 22:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-08-29 22:02:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-08-29 22:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-29 22:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 22:02:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 22:02:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 22:02:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 22:02:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 22:02:54,890 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-29 22:02:55,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 22:02:55,232 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-29 22:02:55,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:02:55 BoogieIcfgContainer [2021-08-29 22:02:55,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 22:02:55,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 22:02:55,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 22:02:55,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 22:02:55,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:02:54" (1/3) ... [2021-08-29 22:02:55,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d18f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:02:55, skipping insertion in model container [2021-08-29 22:02:55,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:02:54" (2/3) ... [2021-08-29 22:02:55,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d18f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:02:55, skipping insertion in model container [2021-08-29 22:02:55,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:02:55" (3/3) ... [2021-08-29 22:02:55,239 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2021-08-29 22:02:55,243 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-29 22:02:55,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 22:02:55,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-29 22:02:55,243 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-29 22:02:55,296 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,297 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,297 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,297 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,297 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,297 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,298 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,298 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,299 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,299 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,299 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,300 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,300 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,300 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,301 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,301 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,301 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,301 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,301 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,302 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,302 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,302 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,302 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,303 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,303 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,303 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,303 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,304 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,304 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,304 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,304 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,304 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,304 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,305 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,305 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,305 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,305 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,305 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,305 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,306 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,306 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,306 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,307 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,307 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,307 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,307 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,308 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,308 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,308 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,308 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,308 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,308 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,308 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,309 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,309 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,309 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,309 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,309 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,309 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,310 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,310 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,310 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,310 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,310 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,311 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,311 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,311 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,311 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,311 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,312 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,312 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,312 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,312 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,312 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,313 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,313 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,313 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,314 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,315 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,316 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,316 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,317 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,317 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,317 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,317 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,317 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,318 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,322 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,323 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,324 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,324 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,324 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,324 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,325 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,325 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,325 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,325 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,326 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,327 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,327 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,327 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,327 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,328 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,328 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,328 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,328 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,329 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,329 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,329 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,329 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,331 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,331 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,331 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,331 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,331 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,331 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,332 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,332 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,332 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,332 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,332 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,332 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,333 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,333 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,333 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,333 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,333 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,334 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,334 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,334 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,334 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,334 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,334 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,334 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,335 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,335 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,335 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,336 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,336 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,336 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,336 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,336 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,337 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,337 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,337 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,337 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,337 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,337 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,337 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,338 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,339 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,340 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,341 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,341 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,341 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,341 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,341 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,342 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,344 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,345 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,350 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,350 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,350 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,350 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,351 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,351 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,352 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,352 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,353 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,354 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,355 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,355 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,355 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,356 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,356 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,357 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,357 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,357 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,357 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,358 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,359 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,359 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,359 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,359 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,359 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,360 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,360 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,361 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,362 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,363 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,364 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,365 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,366 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,372 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,373 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,374 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,375 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,375 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,376 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,376 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,376 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,377 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,377 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,377 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,377 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,384 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,385 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,386 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,387 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,388 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,388 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,388 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,388 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,388 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:02:55,390 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-29 22:02:55,423 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 22:02:55,429 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, mConcurrency=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 [2021-08-29 22:02:55,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-29 22:02:55,442 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-29 22:02:55,450 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 174 transitions, 372 flow [2021-08-29 22:02:55,454 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 174 transitions, 372 flow [2021-08-29 22:02:55,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 174 transitions, 372 flow [2021-08-29 22:02:55,520 INFO L129 PetriNetUnfolder]: 18/171 cut-off events. [2021-08-29 22:02:55,522 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-29 22:02:55,530 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. [2021-08-29 22:02:55,535 INFO L116 LiptonReduction]: Number of co-enabled transitions 9450 [2021-08-29 22:03:00,088 INFO L131 LiptonReduction]: Checked pairs total: 19554 [2021-08-29 22:03:00,088 INFO L133 LiptonReduction]: Total number of compositions: 133 [2021-08-29 22:03:00,095 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 64 transitions, 152 flow [2021-08-29 22:03:00,177 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) [2021-08-29 22:03:00,189 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) [2021-08-29 22:03:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 22:03:00,201 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:03:00,202 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:03:00,202 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:03:00,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:03:00,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1642672238, now seen corresponding path program 1 times [2021-08-29 22:03:00,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:03:00,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205938779] [2021-08-29 22:03:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:03:00,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:03:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:03:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:03:00,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:03:00,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205938779] [2021-08-29 22:03:00,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205938779] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:03:00,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:03:00,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:03:00,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505779751] [2021-08-29 22:03:00,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:03:00,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:03:00,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:03:00,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:03:00,398 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) [2021-08-29 22:03:00,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:03:00,519 INFO L93 Difference]: Finished difference Result 3458 states and 13034 transitions. [2021-08-29 22:03:00,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:03:00,521 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 [2021-08-29 22:03:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:03:00,588 INFO L225 Difference]: With dead ends: 3458 [2021-08-29 22:03:00,588 INFO L226 Difference]: Without dead ends: 3458 [2021-08-29 22:03:00,589 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:03:00,593 INFO L928 BasicCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.26ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.89ms IncrementalHoareTripleChecker+Time [2021-08-29 22:03:00,594 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 60 Invalid, 60 Unknown, 0 Unchecked, 1.26ms Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 51.89ms Time] [2021-08-29 22:03:00,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2021-08-29 22:03:00,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3074. [2021-08-29 22:03:00,734 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) [2021-08-29 22:03:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 11806 transitions. [2021-08-29 22:03:00,748 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 11806 transitions. Word has length 12 [2021-08-29 22:03:00,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:03:00,749 INFO L470 AbstractCegarLoop]: Abstraction has 3074 states and 11806 transitions. [2021-08-29 22:03:00,749 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) [2021-08-29 22:03:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 11806 transitions. [2021-08-29 22:03:00,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 22:03:00,751 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:03:00,751 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:03:00,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 22:03:00,752 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:03:00,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:03:00,752 INFO L82 PathProgramCache]: Analyzing trace with hash -611805835, now seen corresponding path program 1 times [2021-08-29 22:03:00,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:03:00,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005746682] [2021-08-29 22:03:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:03:00,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:03:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:03:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:03:00,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:03:00,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005746682] [2021-08-29 22:03:00,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005746682] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:03:00,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:03:00,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:03:00,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060299325] [2021-08-29 22:03:00,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:03:00,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:03:00,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:03:00,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:03:00,829 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) [2021-08-29 22:03:00,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:03:00,897 INFO L93 Difference]: Finished difference Result 3004 states and 11533 transitions. [2021-08-29 22:03:00,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:03:00,898 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 [2021-08-29 22:03:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:03:00,955 INFO L225 Difference]: With dead ends: 3004 [2021-08-29 22:03:00,957 INFO L226 Difference]: Without dead ends: 3004 [2021-08-29 22:03:00,957 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:03:00,964 INFO L928 BasicCegarLoop]: 28 mSDtfsCounter, 36 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.07ms IncrementalHoareTripleChecker+Time [2021-08-29 22:03:00,965 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 49 Invalid, 55 Unknown, 0 Unchecked, 1.05ms Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 36.07ms Time] [2021-08-29 22:03:00,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3004 states. [2021-08-29 22:03:01,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3004 to 3004. [2021-08-29 22:03:01,062 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) [2021-08-29 22:03:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 3004 states and 11533 transitions. [2021-08-29 22:03:01,104 INFO L78 Accepts]: Start accepts. Automaton has 3004 states and 11533 transitions. Word has length 13 [2021-08-29 22:03:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:03:01,105 INFO L470 AbstractCegarLoop]: Abstraction has 3004 states and 11533 transitions. [2021-08-29 22:03:01,105 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) [2021-08-29 22:03:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3004 states and 11533 transitions. [2021-08-29 22:03:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 22:03:01,121 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:03:01,121 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:03:01,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 22:03:01,122 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:03:01,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:03:01,122 INFO L82 PathProgramCache]: Analyzing trace with hash -611805778, now seen corresponding path program 1 times [2021-08-29 22:03:01,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:03:01,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541915970] [2021-08-29 22:03:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:03:01,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:03:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:03:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:03:01,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:03:01,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541915970] [2021-08-29 22:03:01,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541915970] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:03:01,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:03:01,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:03:01,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307556725] [2021-08-29 22:03:01,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:03:01,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:03:01,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:03:01,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:03:01,219 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) [2021-08-29 22:03:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:03:01,316 INFO L93 Difference]: Finished difference Result 2932 states and 11259 transitions. [2021-08-29 22:03:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:03:01,317 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 [2021-08-29 22:03:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:03:01,343 INFO L225 Difference]: With dead ends: 2932 [2021-08-29 22:03:01,343 INFO L226 Difference]: Without dead ends: 2932 [2021-08-29 22:03:01,344 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:03:01,346 INFO L928 BasicCegarLoop]: 28 mSDtfsCounter, 38 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.73ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.13ms IncrementalHoareTripleChecker+Time [2021-08-29 22:03:01,347 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 50 Invalid, 54 Unknown, 0 Unchecked, 1.73ms Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 34.13ms Time] [2021-08-29 22:03:01,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2021-08-29 22:03:01,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2932. [2021-08-29 22:03:01,433 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) [2021-08-29 22:03:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 11259 transitions. [2021-08-29 22:03:01,459 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 11259 transitions. Word has length 13 [2021-08-29 22:03:01,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:03:01,459 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 11259 transitions. [2021-08-29 22:03:01,460 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) [2021-08-29 22:03:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 11259 transitions. [2021-08-29 22:03:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 22:03:01,463 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:03:01,463 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:03:01,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 22:03:01,464 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:03:01,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:03:01,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1214817659, now seen corresponding path program 1 times [2021-08-29 22:03:01,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:03:01,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223759929] [2021-08-29 22:03:01,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:03:01,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:03:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:03:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:03:01,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:03:01,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223759929] [2021-08-29 22:03:01,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223759929] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:03:01,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:03:01,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 22:03:01,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242831060] [2021-08-29 22:03:01,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 22:03:01,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:03:01,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 22:03:01,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:03:01,608 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) [2021-08-29 22:03:01,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:03:01,824 INFO L93 Difference]: Finished difference Result 3082 states and 11832 transitions. [2021-08-29 22:03:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 22:03:01,824 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 [2021-08-29 22:03:01,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:03:01,849 INFO L225 Difference]: With dead ends: 3082 [2021-08-29 22:03:01,850 INFO L226 Difference]: Without dead ends: 3082 [2021-08-29 22:03:01,850 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.73ms TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-08-29 22:03:01,852 INFO L928 BasicCegarLoop]: 44 mSDtfsCounter, 78 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.43ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.02ms IncrementalHoareTripleChecker+Time [2021-08-29 22:03:01,852 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 127 Invalid, 218 Unknown, 0 Unchecked, 4.43ms Time], IncrementalHoareTripleChecker [14 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 111.02ms Time] [2021-08-29 22:03:01,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2021-08-29 22:03:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 2950. [2021-08-29 22:03:01,927 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) [2021-08-29 22:03:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 11242 transitions. [2021-08-29 22:03:01,973 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 11242 transitions. Word has length 17 [2021-08-29 22:03:01,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:03:01,974 INFO L470 AbstractCegarLoop]: Abstraction has 2950 states and 11242 transitions. [2021-08-29 22:03:01,974 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) [2021-08-29 22:03:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 11242 transitions. [2021-08-29 22:03:01,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 22:03:01,978 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:03:01,978 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:03:01,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 22:03:01,978 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:03:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:03:01,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1683090885, now seen corresponding path program 1 times [2021-08-29 22:03:01,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:03:01,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261153891] [2021-08-29 22:03:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:03:01,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:03:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:03:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:03:02,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:03:02,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261153891] [2021-08-29 22:03:02,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261153891] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:03:02,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:03:02,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 22:03:02,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157390898] [2021-08-29 22:03:02,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 22:03:02,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:03:02,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 22:03:02,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:03:02,046 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) [2021-08-29 22:03:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:03:02,258 INFO L93 Difference]: Finished difference Result 3710 states and 13694 transitions. [2021-08-29 22:03:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 22:03:02,258 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 [2021-08-29 22:03:02,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:03:02,304 INFO L225 Difference]: With dead ends: 3710 [2021-08-29 22:03:02,304 INFO L226 Difference]: Without dead ends: 3710 [2021-08-29 22:03:02,305 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 27.61ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-29 22:03:02,305 INFO L928 BasicCegarLoop]: 60 mSDtfsCounter, 133 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.50ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.62ms IncrementalHoareTripleChecker+Time [2021-08-29 22:03:02,305 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 201 Invalid, 350 Unknown, 0 Unchecked, 2.50ms Time], IncrementalHoareTripleChecker [35 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 162.62ms Time] [2021-08-29 22:03:02,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2021-08-29 22:03:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3324. [2021-08-29 22:03:02,371 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) [2021-08-29 22:03:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 12497 transitions. [2021-08-29 22:03:02,409 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 12497 transitions. Word has length 17 [2021-08-29 22:03:02,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:03:02,413 INFO L470 AbstractCegarLoop]: Abstraction has 3324 states and 12497 transitions. [2021-08-29 22:03:02,413 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) [2021-08-29 22:03:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 12497 transitions. [2021-08-29 22:03:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 22:03:02,419 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:03:02,419 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:03:02,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 22:03:02,420 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:03:02,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:03:02,420 INFO L82 PathProgramCache]: Analyzing trace with hash -728915509, now seen corresponding path program 2 times [2021-08-29 22:03:02,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:03:02,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122410391] [2021-08-29 22:03:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:03:02,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:03:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:03:02,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 22:03:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:03:02,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 22:03:02,485 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 22:03:02,486 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-08-29 22:03:02,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-08-29 22:03:02,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2021-08-29 22:03:02,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2021-08-29 22:03:02,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 7 remaining) [2021-08-29 22:03:02,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 7 remaining) [2021-08-29 22:03:02,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-08-29 22:03:02,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 22:03:02,493 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-29 22:03:02,494 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 22:03:02,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:03:02 BasicIcfg [2021-08-29 22:03:02,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 22:03:02,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 22:03:02,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 22:03:02,551 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 22:03:02,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:02:55" (3/4) ... [2021-08-29 22:03:02,553 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 22:03:02,606 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 22:03:02,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 22:03:02,607 INFO L158 Benchmark]: Toolchain (without parser) took 8226.85ms. Allocated memory was 65.0MB in the beginning and 423.6MB in the end (delta: 358.6MB). Free memory was 43.8MB in the beginning and 280.5MB in the end (delta: -236.7MB). Peak memory consumption was 120.8MB. Max. memory is 16.1GB. [2021-08-29 22:03:02,607 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 22:03:02,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.55ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 37.4MB in the end (delta: 6.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 22:03:02,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 65.0MB. Free memory was 37.4MB in the beginning and 34.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:03:02,607 INFO L158 Benchmark]: Boogie Preprocessor took 42.20ms. Allocated memory is still 65.0MB. Free memory was 34.5MB in the beginning and 32.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:03:02,608 INFO L158 Benchmark]: RCFGBuilder took 406.71ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.6MB in the beginning and 57.4MB in the end (delta: -24.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-08-29 22:03:02,608 INFO L158 Benchmark]: TraceAbstraction took 7315.04ms. Allocated memory was 79.7MB in the beginning and 423.6MB in the end (delta: 343.9MB). Free memory was 57.2MB in the beginning and 289.9MB in the end (delta: -232.8MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2021-08-29 22:03:02,608 INFO L158 Benchmark]: Witness Printer took 55.53ms. Allocated memory is still 423.6MB. Free memory was 289.9MB in the beginning and 280.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 22:03:02,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.55ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 37.4MB in the end (delta: 6.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 65.0MB. Free memory was 37.4MB in the beginning and 34.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.20ms. Allocated memory is still 65.0MB. Free memory was 34.5MB in the beginning and 32.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.71ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.6MB in the beginning and 57.4MB in the end (delta: -24.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7315.04ms. Allocated memory was 79.7MB in the beginning and 423.6MB in the end (delta: 343.9MB). Free memory was 57.2MB in the beginning and 289.9MB in the end (delta: -232.8MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. * Witness Printer took 55.53ms. Allocated memory is still 423.6MB. Free memory was 289.9MB in the beginning and 280.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4634.34ms, 166 PlacesBefore, 61 PlacesAfterwards, 174 TransitionsBefore, 64 TransitionsAfterwards, 9450 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 133 TotalNumberOfCompositions, 19554 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10694, positive: 10369, positive conditional: 0, positive unconditional: 10369, 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: 6170, positive: 6062, positive conditional: 0, positive unconditional: 6062, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6170, positive: 6023, positive conditional: 0, positive unconditional: 6023, negative: 147, negative conditional: 0, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 147, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 323, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10694, positive: 4307, positive conditional: 0, positive unconditional: 4307, negative: 217, negative conditional: 0, negative unconditional: 217, unknown: 6170, unknown conditional: 0, unknown unconditional: 6170] , 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, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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 FALSE 3 !(__VERIFIER_nondet_int()) [L767] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L767] 3 sum = sum + ctr1 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: 7069.89ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 53.69ms, AutomataDifference: 1000.38ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 4748.44ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 324 SdHoareTripleChecker+Valid, 395.74ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 324 mSDsluCounter, 487 SdHoareTripleChecker+Invalid, 315.65ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 470 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 686 IncrementalHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 202 mSDtfsCounter, 686 mSolverCounterSat, 10.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 63.46ms Time, 0.00ms 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, 0.00ms DumpTime, AutomataMinimizationStatistics: 616.21ms AutomataMinimizationTime, 5 MinimizatonAttempts, 902 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.47ms SsaConstructionTime, 153.97ms SatisfiabilityAnalysisTime, 283.63ms 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! [2021-08-29 22:03:02,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...