./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/qrcu-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 96f16385 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-1.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 92de787da58164b8efa82fae19f262746d58018b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-96f1638 [2020-12-02 11:43:38,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 11:43:38,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 11:43:38,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 11:43:38,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 11:43:38,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 11:43:38,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 11:43:38,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 11:43:38,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 11:43:38,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 11:43:38,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 11:43:38,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 11:43:38,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 11:43:38,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 11:43:38,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 11:43:38,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 11:43:38,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 11:43:38,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 11:43:38,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 11:43:38,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 11:43:38,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 11:43:38,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 11:43:38,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 11:43:38,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 11:43:38,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 11:43:38,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 11:43:38,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 11:43:38,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 11:43:38,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 11:43:38,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 11:43:38,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 11:43:38,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 11:43:38,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 11:43:38,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 11:43:38,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 11:43:38,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 11:43:38,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 11:43:38,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 11:43:38,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 11:43:38,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 11:43:38,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 11:43:38,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 11:43:38,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 11:43:38,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 11:43:38,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 11:43:38,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 11:43:38,961 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 11:43:38,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 11:43:38,962 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 11:43:38,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 11:43:38,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 11:43:38,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 11:43:38,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 11:43:38,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 11:43:38,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 11:43:38,964 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 11:43:38,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 11:43:38,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 11:43:38,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 11:43:38,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 11:43:38,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 11:43:38,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 11:43:38,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 11:43:38,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:43:38,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 11:43:38,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 11:43:38,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 11:43:38,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 11:43:38,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 11:43:38,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 11:43:38,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 11:43:38,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92de787da58164b8efa82fae19f262746d58018b [2020-12-02 11:43:39,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 11:43:39,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 11:43:39,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 11:43:39,418 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 11:43:39,419 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 11:43:39,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2020-12-02 11:43:39,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174ce3af5/105f1349b93f44b6951b9107a059c126/FLAG6929e0cd7 [2020-12-02 11:43:40,163 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 11:43:40,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2020-12-02 11:43:40,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174ce3af5/105f1349b93f44b6951b9107a059c126/FLAG6929e0cd7 [2020-12-02 11:43:40,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174ce3af5/105f1349b93f44b6951b9107a059c126 [2020-12-02 11:43:40,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 11:43:40,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 11:43:40,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 11:43:40,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 11:43:40,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 11:43:40,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:40" (1/1) ... [2020-12-02 11:43:40,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1d3b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:40, skipping insertion in model container [2020-12-02 11:43:40,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:40" (1/1) ... [2020-12-02 11:43:40,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 11:43:40,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 11:43:40,954 WARN L226 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-1.i[30694,30707] [2020-12-02 11:43:40,965 WARN L226 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-1.i[30916,30929] [2020-12-02 11:43:41,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:43:41,023 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 11:43:41,108 WARN L226 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-1.i[30694,30707] [2020-12-02 11:43:41,111 WARN L226 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-1.i[30916,30929] [2020-12-02 11:43:41,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:43:41,252 INFO L208 MainTranslator]: Completed translation [2020-12-02 11:43:41,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41 WrapperNode [2020-12-02 11:43:41,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 11:43:41,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 11:43:41,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 11:43:41,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 11:43:41,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 11:43:41,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 11:43:41,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 11:43:41,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 11:43:41,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... [2020-12-02 11:43:41,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 11:43:41,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 11:43:41,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 11:43:41,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 11:43:41,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:43:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-12-02 11:43:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-12-02 11:43:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-12-02 11:43:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-12-02 11:43:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 11:43:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 11:43:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-12-02 11:43:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-12-02 11:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-02 11:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 11:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 11:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 11:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 11:43:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 11:43:41,542 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-02 11:43:43,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 11:43:43,073 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-02 11:43:43,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:43 BoogieIcfgContainer [2020-12-02 11:43:43,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 11:43:43,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 11:43:43,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 11:43:43,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 11:43:43,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:43:40" (1/3) ... [2020-12-02 11:43:43,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5d9f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:43:43, skipping insertion in model container [2020-12-02 11:43:43,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:41" (2/3) ... [2020-12-02 11:43:43,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5d9f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:43:43, skipping insertion in model container [2020-12-02 11:43:43,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:43" (3/3) ... [2020-12-02 11:43:43,086 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-12-02 11:43:43,104 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-02 11:43:43,104 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 11:43:43,109 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-02 11:43:43,110 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-02 11:43:43,152 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,153 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,153 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,153 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,153 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,154 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,154 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,154 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,154 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,155 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,155 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,155 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,157 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,157 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,158 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,158 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,160 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,160 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,160 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,163 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,163 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,163 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,164 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,164 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,164 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,164 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,165 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,165 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,165 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,165 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,167 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,167 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,167 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,167 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,168 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,169 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,169 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,169 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,169 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,170 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,170 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,170 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,170 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,171 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,171 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,171 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,172 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,172 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,172 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,173 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,173 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,173 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,173 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,173 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,174 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,174 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,174 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,175 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,175 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,175 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,175 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,176 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,176 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,176 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,177 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,177 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,181 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,182 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,182 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,183 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,183 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,183 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,183 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,187 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,187 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,189 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,189 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,193 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,193 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,194 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,194 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,194 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,194 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,196 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,197 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,207 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,207 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,207 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,207 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,207 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,208 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,209 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,210 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,212 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,216 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,216 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,219 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,220 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,221 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,221 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,222 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,222 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,222 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,223 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,223 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,223 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,223 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,224 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,224 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,224 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,224 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,224 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,225 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,225 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,225 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,225 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,225 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,226 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,226 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,226 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,226 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,229 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,229 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,229 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,229 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,230 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,230 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,230 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,230 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,231 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,231 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,231 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,232 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,232 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,232 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,232 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,233 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,233 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,233 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,233 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,238 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,238 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,238 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,238 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,239 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,239 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,239 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,239 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,248 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,248 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,249 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,249 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,249 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,249 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,250 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,250 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,251 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,253 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,253 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,253 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,254 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,254 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,254 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,255 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,255 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,255 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,255 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,256 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,256 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,257 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,257 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,257 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,258 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,259 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,260 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,260 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,260 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,260 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,261 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,261 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,261 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,261 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,262 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,263 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,263 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,263 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,264 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,264 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,264 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,264 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,265 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,265 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,272 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,273 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,273 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,273 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,273 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,274 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,274 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,274 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,274 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,275 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,275 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:43:43,282 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-12-02 11:43:43,296 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-02 11:43:43,319 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 11:43:43,319 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 11:43:43,320 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 11:43:43,320 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 11:43:43,320 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 11:43:43,320 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 11:43:43,320 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 11:43:43,320 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 11:43:43,336 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-02 11:43:43,339 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 175 transitions, 392 flow [2020-12-02 11:43:43,342 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 175 transitions, 392 flow [2020-12-02 11:43:43,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 175 transitions, 392 flow [2020-12-02 11:43:43,424 INFO L129 PetriNetUnfolder]: 23/183 cut-off events. [2020-12-02 11:43:43,424 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-12-02 11:43:43,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 183 events. 23/183 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 454 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 141. Up to 6 conditions per place. [2020-12-02 11:43:43,445 INFO L116 LiptonReduction]: Number of co-enabled transitions 10120 [2020-12-02 11:43:44,444 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-02 11:43:44,445 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 11:43:44,471 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-02 11:43:44,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 11:43:52,114 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-12-02 11:43:52,384 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-02 11:43:52,691 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-12-02 11:43:52,965 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-02 11:43:53,565 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2020-12-02 11:43:53,831 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-12-02 11:43:54,521 WARN L197 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2020-12-02 11:43:54,771 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-12-02 11:43:54,800 INFO L131 LiptonReduction]: Checked pairs total: 27568 [2020-12-02 11:43:54,800 INFO L133 LiptonReduction]: Total number of compositions: 130 [2020-12-02 11:43:54,806 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-12-02 11:43:55,143 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-12-02 11:43:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-12-02 11:43:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 11:43:55,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:43:55,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:43:55,180 INFO L429 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:43:55,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:43:55,187 INFO L82 PathProgramCache]: Analyzing trace with hash -568840670, now seen corresponding path program 1 times [2020-12-02 11:43:55,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:43:55,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809854477] [2020-12-02 11:43:55,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:43:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:43:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:43:55,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809854477] [2020-12-02 11:43:55,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:43:55,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 11:43:55,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986863622] [2020-12-02 11:43:55,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 11:43:55,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:43:55,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 11:43:55,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:43:55,609 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 5 states. [2020-12-02 11:43:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:43:55,949 INFO L93 Difference]: Finished difference Result 7129 states and 25788 transitions. [2020-12-02 11:43:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:43:55,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-02 11:43:55,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:43:56,029 INFO L225 Difference]: With dead ends: 7129 [2020-12-02 11:43:56,030 INFO L226 Difference]: Without dead ends: 6040 [2020-12-02 11:43:56,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:43:56,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6040 states. [2020-12-02 11:43:56,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6040 to 5035. [2020-12-02 11:43:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-12-02 11:43:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 19082 transitions. [2020-12-02 11:43:56,434 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 19082 transitions. Word has length 12 [2020-12-02 11:43:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:43:56,436 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 19082 transitions. [2020-12-02 11:43:56,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 11:43:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 19082 transitions. [2020-12-02 11:43:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 11:43:56,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:43:56,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:43:56,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 11:43:56,445 INFO L429 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:43:56,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:43:56,451 INFO L82 PathProgramCache]: Analyzing trace with hash -574352005, now seen corresponding path program 1 times [2020-12-02 11:43:56,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:43:56,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847667839] [2020-12-02 11:43:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:43:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:43:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:43:56,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847667839] [2020-12-02 11:43:56,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:43:56,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 11:43:56,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266394829] [2020-12-02 11:43:56,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 11:43:56,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:43:56,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 11:43:56,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:43:56,590 INFO L87 Difference]: Start difference. First operand 5035 states and 19082 transitions. Second operand 5 states. [2020-12-02 11:43:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:43:56,815 INFO L93 Difference]: Finished difference Result 6078 states and 21993 transitions. [2020-12-02 11:43:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 11:43:56,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-02 11:43:56,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:43:56,872 INFO L225 Difference]: With dead ends: 6078 [2020-12-02 11:43:56,873 INFO L226 Difference]: Without dead ends: 6078 [2020-12-02 11:43:56,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:43:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6078 states. [2020-12-02 11:43:57,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6078 to 4657. [2020-12-02 11:43:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4657 states. [2020-12-02 11:43:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4657 states to 4657 states and 17269 transitions. [2020-12-02 11:43:57,182 INFO L78 Accepts]: Start accepts. Automaton has 4657 states and 17269 transitions. Word has length 12 [2020-12-02 11:43:57,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:43:57,183 INFO L481 AbstractCegarLoop]: Abstraction has 4657 states and 17269 transitions. [2020-12-02 11:43:57,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 11:43:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 4657 states and 17269 transitions. [2020-12-02 11:43:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 11:43:57,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:43:57,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:43:57,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 11:43:57,188 INFO L429 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:43:57,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:43:57,189 INFO L82 PathProgramCache]: Analyzing trace with hash -448947251, now seen corresponding path program 1 times [2020-12-02 11:43:57,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:43:57,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038497566] [2020-12-02 11:43:57,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:43:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:43:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:43:57,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038497566] [2020-12-02 11:43:57,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:43:57,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-02 11:43:57,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645716386] [2020-12-02 11:43:57,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:43:57,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:43:57,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:43:57,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:43:57,321 INFO L87 Difference]: Start difference. First operand 4657 states and 17269 transitions. Second operand 3 states. [2020-12-02 11:43:57,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:43:57,391 INFO L93 Difference]: Finished difference Result 4510 states and 16702 transitions. [2020-12-02 11:43:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:43:57,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-02 11:43:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:43:57,438 INFO L225 Difference]: With dead ends: 4510 [2020-12-02 11:43:57,438 INFO L226 Difference]: Without dead ends: 4510 [2020-12-02 11:43:57,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:43:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4510 states. [2020-12-02 11:43:57,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4510 to 4510. [2020-12-02 11:43:57,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4510 states. [2020-12-02 11:43:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 16702 transitions. [2020-12-02 11:43:57,743 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 16702 transitions. Word has length 13 [2020-12-02 11:43:57,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:43:57,744 INFO L481 AbstractCegarLoop]: Abstraction has 4510 states and 16702 transitions. [2020-12-02 11:43:57,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:43:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 16702 transitions. [2020-12-02 11:43:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 11:43:57,748 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:43:57,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:43:57,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-02 11:43:57,749 INFO L429 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:43:57,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:43:57,751 INFO L82 PathProgramCache]: Analyzing trace with hash -448947102, now seen corresponding path program 1 times [2020-12-02 11:43:57,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:43:57,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833169421] [2020-12-02 11:43:57,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:43:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:43:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:43:57,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833169421] [2020-12-02 11:43:57,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:43:57,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-02 11:43:57,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448918664] [2020-12-02 11:43:57,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:43:57,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:43:57,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:43:57,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:43:57,860 INFO L87 Difference]: Start difference. First operand 4510 states and 16702 transitions. Second operand 3 states. [2020-12-02 11:43:57,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:43:57,925 INFO L93 Difference]: Finished difference Result 4363 states and 16135 transitions. [2020-12-02 11:43:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:43:57,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-02 11:43:57,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:43:57,952 INFO L225 Difference]: With dead ends: 4363 [2020-12-02 11:43:57,953 INFO L226 Difference]: Without dead ends: 4341 [2020-12-02 11:43:57,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:43:57,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4341 states. [2020-12-02 11:43:58,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4341 to 4341. [2020-12-02 11:43:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4341 states. [2020-12-02 11:43:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 4341 states and 16045 transitions. [2020-12-02 11:43:58,297 INFO L78 Accepts]: Start accepts. Automaton has 4341 states and 16045 transitions. Word has length 13 [2020-12-02 11:43:58,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:43:58,298 INFO L481 AbstractCegarLoop]: Abstraction has 4341 states and 16045 transitions. [2020-12-02 11:43:58,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:43:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 16045 transitions. [2020-12-02 11:43:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 11:43:58,305 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:43:58,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:43:58,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-02 11:43:58,305 INFO L429 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:43:58,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:43:58,307 INFO L82 PathProgramCache]: Analyzing trace with hash -7351418, now seen corresponding path program 1 times [2020-12-02 11:43:58,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:43:58,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007034718] [2020-12-02 11:43:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:43:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:43:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:43:58,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007034718] [2020-12-02 11:43:58,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:43:58,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-02 11:43:58,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077774613] [2020-12-02 11:43:58,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:43:58,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:43:58,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:43:58,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:43:58,374 INFO L87 Difference]: Start difference. First operand 4341 states and 16045 transitions. Second operand 3 states. [2020-12-02 11:43:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:43:58,442 INFO L93 Difference]: Finished difference Result 4803 states and 17559 transitions. [2020-12-02 11:43:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:43:58,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-02 11:43:58,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:43:58,468 INFO L225 Difference]: With dead ends: 4803 [2020-12-02 11:43:58,469 INFO L226 Difference]: Without dead ends: 4803 [2020-12-02 11:43:58,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:43:58,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4803 states. [2020-12-02 11:43:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4803 to 4488. [2020-12-02 11:43:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4488 states. [2020-12-02 11:43:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4488 states and 16685 transitions. [2020-12-02 11:43:58,797 INFO L78 Accepts]: Start accepts. Automaton has 4488 states and 16685 transitions. Word has length 16 [2020-12-02 11:43:58,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:43:58,797 INFO L481 AbstractCegarLoop]: Abstraction has 4488 states and 16685 transitions. [2020-12-02 11:43:58,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:43:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4488 states and 16685 transitions. [2020-12-02 11:43:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 11:43:58,807 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:43:58,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:43:58,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-02 11:43:58,808 INFO L429 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:43:58,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:43:58,809 INFO L82 PathProgramCache]: Analyzing trace with hash -222649623, now seen corresponding path program 1 times [2020-12-02 11:43:58,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:43:58,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232854360] [2020-12-02 11:43:58,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:43:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:43:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:43:58,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232854360] [2020-12-02 11:43:58,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:43:58,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 11:43:58,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665515599] [2020-12-02 11:43:58,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 11:43:58,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:43:58,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 11:43:58,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:43:58,897 INFO L87 Difference]: Start difference. First operand 4488 states and 16685 transitions. Second operand 5 states. [2020-12-02 11:43:59,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:43:59,148 INFO L93 Difference]: Finished difference Result 4796 states and 17591 transitions. [2020-12-02 11:43:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 11:43:59,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-02 11:43:59,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:43:59,176 INFO L225 Difference]: With dead ends: 4796 [2020-12-02 11:43:59,176 INFO L226 Difference]: Without dead ends: 4796 [2020-12-02 11:43:59,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 11:43:59,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2020-12-02 11:43:59,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 4464. [2020-12-02 11:43:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4464 states. [2020-12-02 11:43:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4464 states and 16367 transitions. [2020-12-02 11:43:59,442 INFO L78 Accepts]: Start accepts. Automaton has 4464 states and 16367 transitions. Word has length 17 [2020-12-02 11:43:59,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:43:59,442 INFO L481 AbstractCegarLoop]: Abstraction has 4464 states and 16367 transitions. [2020-12-02 11:43:59,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 11:43:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 16367 transitions. [2020-12-02 11:43:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 11:43:59,450 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:43:59,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:43:59,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-02 11:43:59,451 INFO L429 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:43:59,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:43:59,451 INFO L82 PathProgramCache]: Analyzing trace with hash -393261719, now seen corresponding path program 1 times [2020-12-02 11:43:59,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:43:59,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541537226] [2020-12-02 11:43:59,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:43:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:43:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:43:59,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541537226] [2020-12-02 11:43:59,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:43:59,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-02 11:43:59,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839425783] [2020-12-02 11:43:59,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 11:43:59,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:43:59,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 11:43:59,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-02 11:43:59,559 INFO L87 Difference]: Start difference. First operand 4464 states and 16367 transitions. Second operand 6 states. [2020-12-02 11:44:00,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:00,034 INFO L93 Difference]: Finished difference Result 5307 states and 19098 transitions. [2020-12-02 11:44:00,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:44:00,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-02 11:44:00,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:00,067 INFO L225 Difference]: With dead ends: 5307 [2020-12-02 11:44:00,068 INFO L226 Difference]: Without dead ends: 5307 [2020-12-02 11:44:00,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:00,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5307 states. [2020-12-02 11:44:00,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5307 to 4611. [2020-12-02 11:44:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4611 states. [2020-12-02 11:44:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 16782 transitions. [2020-12-02 11:44:00,290 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 16782 transitions. Word has length 17 [2020-12-02 11:44:00,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:00,290 INFO L481 AbstractCegarLoop]: Abstraction has 4611 states and 16782 transitions. [2020-12-02 11:44:00,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 11:44:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 16782 transitions. [2020-12-02 11:44:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 11:44:00,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:00,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:00,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-02 11:44:00,302 INFO L429 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:00,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:00,303 INFO L82 PathProgramCache]: Analyzing trace with hash -825923863, now seen corresponding path program 2 times [2020-12-02 11:44:00,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:00,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608969055] [2020-12-02 11:44:00,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:00,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608969055] [2020-12-02 11:44:00,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:00,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-02 11:44:00,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915056489] [2020-12-02 11:44:00,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 11:44:00,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:00,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 11:44:00,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:44:00,413 INFO L87 Difference]: Start difference. First operand 4611 states and 16782 transitions. Second operand 5 states. [2020-12-02 11:44:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:00,832 INFO L93 Difference]: Finished difference Result 6374 states and 22658 transitions. [2020-12-02 11:44:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:44:00,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-02 11:44:00,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:00,871 INFO L225 Difference]: With dead ends: 6374 [2020-12-02 11:44:00,871 INFO L226 Difference]: Without dead ends: 6374 [2020-12-02 11:44:00,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:00,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6374 states. [2020-12-02 11:44:01,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6374 to 6335. [2020-12-02 11:44:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6335 states. [2020-12-02 11:44:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6335 states to 6335 states and 22591 transitions. [2020-12-02 11:44:01,079 INFO L78 Accepts]: Start accepts. Automaton has 6335 states and 22591 transitions. Word has length 17 [2020-12-02 11:44:01,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:01,080 INFO L481 AbstractCegarLoop]: Abstraction has 6335 states and 22591 transitions. [2020-12-02 11:44:01,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 11:44:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 6335 states and 22591 transitions. [2020-12-02 11:44:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 11:44:01,089 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:01,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:01,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-02 11:44:01,090 INFO L429 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:01,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:01,091 INFO L82 PathProgramCache]: Analyzing trace with hash -158261608, now seen corresponding path program 1 times [2020-12-02 11:44:01,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:01,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430844171] [2020-12-02 11:44:01,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:01,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430844171] [2020-12-02 11:44:01,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:01,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 11:44:01,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21365797] [2020-12-02 11:44:01,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 11:44:01,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:01,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 11:44:01,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-02 11:44:01,154 INFO L87 Difference]: Start difference. First operand 6335 states and 22591 transitions. Second operand 4 states. [2020-12-02 11:44:01,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:01,302 INFO L93 Difference]: Finished difference Result 8924 states and 30928 transitions. [2020-12-02 11:44:01,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 11:44:01,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-12-02 11:44:01,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:01,325 INFO L225 Difference]: With dead ends: 8924 [2020-12-02 11:44:01,326 INFO L226 Difference]: Without dead ends: 4826 [2020-12-02 11:44:01,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:44:01,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-12-02 11:44:01,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4787. [2020-12-02 11:44:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2020-12-02 11:44:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 15798 transitions. [2020-12-02 11:44:01,627 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 15798 transitions. Word has length 17 [2020-12-02 11:44:01,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:01,629 INFO L481 AbstractCegarLoop]: Abstraction has 4787 states and 15798 transitions. [2020-12-02 11:44:01,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 11:44:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 15798 transitions. [2020-12-02 11:44:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-02 11:44:01,634 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:01,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:01,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-02 11:44:01,635 INFO L429 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:01,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:01,635 INFO L82 PathProgramCache]: Analyzing trace with hash -2127589195, now seen corresponding path program 1 times [2020-12-02 11:44:01,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:01,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685589330] [2020-12-02 11:44:01,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:01,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685589330] [2020-12-02 11:44:01,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:01,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 11:44:01,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928098634] [2020-12-02 11:44:01,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:44:01,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:01,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:44:01,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:01,696 INFO L87 Difference]: Start difference. First operand 4787 states and 15798 transitions. Second operand 3 states. [2020-12-02 11:44:01,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:01,902 INFO L93 Difference]: Finished difference Result 4787 states and 15703 transitions. [2020-12-02 11:44:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:44:01,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-02 11:44:01,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:01,921 INFO L225 Difference]: With dead ends: 4787 [2020-12-02 11:44:01,921 INFO L226 Difference]: Without dead ends: 3413 [2020-12-02 11:44:01,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2020-12-02 11:44:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2769. [2020-12-02 11:44:02,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-12-02 11:44:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 8888 transitions. [2020-12-02 11:44:02,021 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 8888 transitions. Word has length 19 [2020-12-02 11:44:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:02,023 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 8888 transitions. [2020-12-02 11:44:02,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:44:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 8888 transitions. [2020-12-02 11:44:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-02 11:44:02,027 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:02,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:02,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-02 11:44:02,028 INFO L429 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:02,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:02,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2082290381, now seen corresponding path program 1 times [2020-12-02 11:44:02,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:02,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498817765] [2020-12-02 11:44:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:02,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498817765] [2020-12-02 11:44:02,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:02,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 11:44:02,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444656139] [2020-12-02 11:44:02,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:44:02,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:02,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:44:02,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:02,105 INFO L87 Difference]: Start difference. First operand 2769 states and 8888 transitions. Second operand 3 states. [2020-12-02 11:44:02,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:02,151 INFO L93 Difference]: Finished difference Result 2769 states and 8816 transitions. [2020-12-02 11:44:02,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:44:02,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-02 11:44:02,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:02,158 INFO L225 Difference]: With dead ends: 2769 [2020-12-02 11:44:02,158 INFO L226 Difference]: Without dead ends: 1364 [2020-12-02 11:44:02,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-12-02 11:44:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1218. [2020-12-02 11:44:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-12-02 11:44:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 3285 transitions. [2020-12-02 11:44:02,200 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 3285 transitions. Word has length 19 [2020-12-02 11:44:02,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:02,201 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 3285 transitions. [2020-12-02 11:44:02,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:44:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 3285 transitions. [2020-12-02 11:44:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-02 11:44:02,204 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:02,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:02,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-02 11:44:02,205 INFO L429 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:02,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:02,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1704828894, now seen corresponding path program 1 times [2020-12-02 11:44:02,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:02,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086677787] [2020-12-02 11:44:02,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:02,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086677787] [2020-12-02 11:44:02,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:02,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 11:44:02,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862576376] [2020-12-02 11:44:02,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:44:02,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:02,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:44:02,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:02,252 INFO L87 Difference]: Start difference. First operand 1218 states and 3285 transitions. Second operand 3 states. [2020-12-02 11:44:02,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:02,280 INFO L93 Difference]: Finished difference Result 1110 states and 2915 transitions. [2020-12-02 11:44:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:44:02,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-02 11:44:02,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:02,285 INFO L225 Difference]: With dead ends: 1110 [2020-12-02 11:44:02,285 INFO L226 Difference]: Without dead ends: 1110 [2020-12-02 11:44:02,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:02,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-12-02 11:44:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1058. [2020-12-02 11:44:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-12-02 11:44:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 2839 transitions. [2020-12-02 11:44:02,317 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 2839 transitions. Word has length 22 [2020-12-02 11:44:02,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:02,320 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 2839 transitions. [2020-12-02 11:44:02,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:44:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2839 transitions. [2020-12-02 11:44:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-02 11:44:02,324 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:02,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:02,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-02 11:44:02,324 INFO L429 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:02,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:02,325 INFO L82 PathProgramCache]: Analyzing trace with hash -634993578, now seen corresponding path program 1 times [2020-12-02 11:44:02,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:02,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483498005] [2020-12-02 11:44:02,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:02,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483498005] [2020-12-02 11:44:02,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:02,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-02 11:44:02,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225022815] [2020-12-02 11:44:02,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:44:02,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:02,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:44:02,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:02,377 INFO L87 Difference]: Start difference. First operand 1058 states and 2839 transitions. Second operand 3 states. [2020-12-02 11:44:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:02,409 INFO L93 Difference]: Finished difference Result 1070 states and 2732 transitions. [2020-12-02 11:44:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:44:02,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-02 11:44:02,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:02,414 INFO L225 Difference]: With dead ends: 1070 [2020-12-02 11:44:02,414 INFO L226 Difference]: Without dead ends: 1070 [2020-12-02 11:44:02,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:44:02,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-12-02 11:44:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1018. [2020-12-02 11:44:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2020-12-02 11:44:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 2656 transitions. [2020-12-02 11:44:02,474 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 2656 transitions. Word has length 22 [2020-12-02 11:44:02,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:02,474 INFO L481 AbstractCegarLoop]: Abstraction has 1018 states and 2656 transitions. [2020-12-02 11:44:02,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:44:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 2656 transitions. [2020-12-02 11:44:02,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-02 11:44:02,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:02,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:02,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-02 11:44:02,481 INFO L429 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:02,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:02,482 INFO L82 PathProgramCache]: Analyzing trace with hash -634992648, now seen corresponding path program 1 times [2020-12-02 11:44:02,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:02,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059295833] [2020-12-02 11:44:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:02,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059295833] [2020-12-02 11:44:02,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:02,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 11:44:02,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040295042] [2020-12-02 11:44:02,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 11:44:02,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:02,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 11:44:02,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:44:02,548 INFO L87 Difference]: Start difference. First operand 1018 states and 2656 transitions. Second operand 5 states. [2020-12-02 11:44:02,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:02,629 INFO L93 Difference]: Finished difference Result 1080 states and 2667 transitions. [2020-12-02 11:44:02,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 11:44:02,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-02 11:44:02,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:02,633 INFO L225 Difference]: With dead ends: 1080 [2020-12-02 11:44:02,634 INFO L226 Difference]: Without dead ends: 1020 [2020-12-02 11:44:02,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 11:44:02,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-12-02 11:44:02,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 862. [2020-12-02 11:44:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-12-02 11:44:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2223 transitions. [2020-12-02 11:44:02,657 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2223 transitions. Word has length 22 [2020-12-02 11:44:02,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:02,657 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2223 transitions. [2020-12-02 11:44:02,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 11:44:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2223 transitions. [2020-12-02 11:44:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:02,662 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:02,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:02,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-02 11:44:02,663 INFO L429 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash -760421316, now seen corresponding path program 1 times [2020-12-02 11:44:02,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:02,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172157990] [2020-12-02 11:44:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:02,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172157990] [2020-12-02 11:44:02,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:02,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-02 11:44:02,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139492445] [2020-12-02 11:44:02,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 11:44:02,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:02,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 11:44:02,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:02,800 INFO L87 Difference]: Start difference. First operand 862 states and 2223 transitions. Second operand 9 states. [2020-12-02 11:44:03,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:03,256 INFO L93 Difference]: Finished difference Result 1476 states and 3725 transitions. [2020-12-02 11:44:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-02 11:44:03,257 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-02 11:44:03,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:03,262 INFO L225 Difference]: With dead ends: 1476 [2020-12-02 11:44:03,262 INFO L226 Difference]: Without dead ends: 1465 [2020-12-02 11:44:03,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-12-02 11:44:03,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2020-12-02 11:44:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 947. [2020-12-02 11:44:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2020-12-02 11:44:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 2439 transitions. [2020-12-02 11:44:03,300 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 2439 transitions. Word has length 23 [2020-12-02 11:44:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:03,300 INFO L481 AbstractCegarLoop]: Abstraction has 947 states and 2439 transitions. [2020-12-02 11:44:03,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 11:44:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 2439 transitions. [2020-12-02 11:44:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:03,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:03,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:03,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-02 11:44:03,305 INFO L429 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:03,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:03,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1888372992, now seen corresponding path program 1 times [2020-12-02 11:44:03,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:03,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958655805] [2020-12-02 11:44:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:03,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958655805] [2020-12-02 11:44:03,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:03,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-02 11:44:03,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500583832] [2020-12-02 11:44:03,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 11:44:03,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:03,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 11:44:03,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:03,462 INFO L87 Difference]: Start difference. First operand 947 states and 2439 transitions. Second operand 9 states. [2020-12-02 11:44:03,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:03,885 INFO L93 Difference]: Finished difference Result 1282 states and 3243 transitions. [2020-12-02 11:44:03,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-02 11:44:03,886 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-02 11:44:03,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:03,891 INFO L225 Difference]: With dead ends: 1282 [2020-12-02 11:44:03,892 INFO L226 Difference]: Without dead ends: 1282 [2020-12-02 11:44:03,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-12-02 11:44:03,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2020-12-02 11:44:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 937. [2020-12-02 11:44:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2020-12-02 11:44:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 2411 transitions. [2020-12-02 11:44:03,919 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 2411 transitions. Word has length 23 [2020-12-02 11:44:03,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:03,919 INFO L481 AbstractCegarLoop]: Abstraction has 937 states and 2411 transitions. [2020-12-02 11:44:03,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 11:44:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 2411 transitions. [2020-12-02 11:44:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:03,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:03,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:03,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-02 11:44:03,923 INFO L429 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:03,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:03,924 INFO L82 PathProgramCache]: Analyzing trace with hash 140768562, now seen corresponding path program 1 times [2020-12-02 11:44:03,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:03,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575331958] [2020-12-02 11:44:03,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:04,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575331958] [2020-12-02 11:44:04,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:04,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-02 11:44:04,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931426736] [2020-12-02 11:44:04,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 11:44:04,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:04,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 11:44:04,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:04,055 INFO L87 Difference]: Start difference. First operand 937 states and 2411 transitions. Second operand 8 states. [2020-12-02 11:44:04,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:04,418 INFO L93 Difference]: Finished difference Result 1265 states and 3275 transitions. [2020-12-02 11:44:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-02 11:44:04,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-02 11:44:04,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:04,424 INFO L225 Difference]: With dead ends: 1265 [2020-12-02 11:44:04,424 INFO L226 Difference]: Without dead ends: 1265 [2020-12-02 11:44:04,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-02 11:44:04,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2020-12-02 11:44:04,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 991. [2020-12-02 11:44:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-12-02 11:44:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 2540 transitions. [2020-12-02 11:44:04,455 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 2540 transitions. Word has length 23 [2020-12-02 11:44:04,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:04,455 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 2540 transitions. [2020-12-02 11:44:04,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 11:44:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 2540 transitions. [2020-12-02 11:44:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:04,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:04,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:04,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-02 11:44:04,459 INFO L429 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:04,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:04,460 INFO L82 PathProgramCache]: Analyzing trace with hash -29843534, now seen corresponding path program 2 times [2020-12-02 11:44:04,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:04,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119018144] [2020-12-02 11:44:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:04,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119018144] [2020-12-02 11:44:04,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:04,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-02 11:44:04,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284027174] [2020-12-02 11:44:04,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 11:44:04,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:04,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 11:44:04,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:04,597 INFO L87 Difference]: Start difference. First operand 991 states and 2540 transitions. Second operand 9 states. [2020-12-02 11:44:05,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:05,132 INFO L93 Difference]: Finished difference Result 1242 states and 3156 transitions. [2020-12-02 11:44:05,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-02 11:44:05,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-02 11:44:05,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:05,137 INFO L225 Difference]: With dead ends: 1242 [2020-12-02 11:44:05,137 INFO L226 Difference]: Without dead ends: 1242 [2020-12-02 11:44:05,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2020-12-02 11:44:05,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-12-02 11:44:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 986. [2020-12-02 11:44:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2020-12-02 11:44:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 2537 transitions. [2020-12-02 11:44:05,170 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 2537 transitions. Word has length 23 [2020-12-02 11:44:05,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:05,172 INFO L481 AbstractCegarLoop]: Abstraction has 986 states and 2537 transitions. [2020-12-02 11:44:05,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 11:44:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 2537 transitions. [2020-12-02 11:44:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:05,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:05,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:05,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-02 11:44:05,176 INFO L429 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:05,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:05,177 INFO L82 PathProgramCache]: Analyzing trace with hash -731052358, now seen corresponding path program 1 times [2020-12-02 11:44:05,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:05,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958414940] [2020-12-02 11:44:05,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:05,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958414940] [2020-12-02 11:44:05,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:05,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-02 11:44:05,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013493778] [2020-12-02 11:44:05,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 11:44:05,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:05,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 11:44:05,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:05,317 INFO L87 Difference]: Start difference. First operand 986 states and 2537 transitions. Second operand 8 states. [2020-12-02 11:44:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:05,732 INFO L93 Difference]: Finished difference Result 1344 states and 3460 transitions. [2020-12-02 11:44:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 11:44:05,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-02 11:44:05,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:05,738 INFO L225 Difference]: With dead ends: 1344 [2020-12-02 11:44:05,739 INFO L226 Difference]: Without dead ends: 1344 [2020-12-02 11:44:05,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-02 11:44:05,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2020-12-02 11:44:05,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1092. [2020-12-02 11:44:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2020-12-02 11:44:05,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 2815 transitions. [2020-12-02 11:44:05,773 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 2815 transitions. Word has length 23 [2020-12-02 11:44:05,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:05,774 INFO L481 AbstractCegarLoop]: Abstraction has 1092 states and 2815 transitions. [2020-12-02 11:44:05,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 11:44:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 2815 transitions. [2020-12-02 11:44:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:05,778 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:05,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:05,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-02 11:44:05,778 INFO L429 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:05,779 INFO L82 PathProgramCache]: Analyzing trace with hash -901664454, now seen corresponding path program 1 times [2020-12-02 11:44:05,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:05,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215775487] [2020-12-02 11:44:05,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:05,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215775487] [2020-12-02 11:44:05,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:05,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-02 11:44:05,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685784698] [2020-12-02 11:44:05,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 11:44:05,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:05,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 11:44:05,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:05,924 INFO L87 Difference]: Start difference. First operand 1092 states and 2815 transitions. Second operand 8 states. [2020-12-02 11:44:06,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:06,350 INFO L93 Difference]: Finished difference Result 1297 states and 3179 transitions. [2020-12-02 11:44:06,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-02 11:44:06,351 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-02 11:44:06,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:06,355 INFO L225 Difference]: With dead ends: 1297 [2020-12-02 11:44:06,355 INFO L226 Difference]: Without dead ends: 1297 [2020-12-02 11:44:06,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-12-02 11:44:06,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2020-12-02 11:44:06,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1047. [2020-12-02 11:44:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-12-02 11:44:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 2691 transitions. [2020-12-02 11:44:06,389 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 2691 transitions. Word has length 23 [2020-12-02 11:44:06,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:06,390 INFO L481 AbstractCegarLoop]: Abstraction has 1047 states and 2691 transitions. [2020-12-02 11:44:06,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 11:44:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 2691 transitions. [2020-12-02 11:44:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:06,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:06,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:06,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-02 11:44:06,394 INFO L429 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:06,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash 541623034, now seen corresponding path program 2 times [2020-12-02 11:44:06,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:06,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18895781] [2020-12-02 11:44:06,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:06,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18895781] [2020-12-02 11:44:06,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:06,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-02 11:44:06,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792864512] [2020-12-02 11:44:06,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 11:44:06,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:06,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 11:44:06,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:06,515 INFO L87 Difference]: Start difference. First operand 1047 states and 2691 transitions. Second operand 8 states. [2020-12-02 11:44:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:06,930 INFO L93 Difference]: Finished difference Result 1290 states and 3361 transitions. [2020-12-02 11:44:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-02 11:44:06,931 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-02 11:44:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:06,936 INFO L225 Difference]: With dead ends: 1290 [2020-12-02 11:44:06,936 INFO L226 Difference]: Without dead ends: 1290 [2020-12-02 11:44:06,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-02 11:44:06,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2020-12-02 11:44:06,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 961. [2020-12-02 11:44:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-12-02 11:44:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 2458 transitions. [2020-12-02 11:44:06,970 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 2458 transitions. Word has length 23 [2020-12-02 11:44:06,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:06,971 INFO L481 AbstractCegarLoop]: Abstraction has 961 states and 2458 transitions. [2020-12-02 11:44:06,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 11:44:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 2458 transitions. [2020-12-02 11:44:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:06,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:06,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:06,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-02 11:44:06,975 INFO L429 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:06,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1724345914, now seen corresponding path program 3 times [2020-12-02 11:44:06,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:06,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089397778] [2020-12-02 11:44:06,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:07,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089397778] [2020-12-02 11:44:07,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:07,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-02 11:44:07,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88679644] [2020-12-02 11:44:07,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 11:44:07,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:07,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 11:44:07,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:07,108 INFO L87 Difference]: Start difference. First operand 961 states and 2458 transitions. Second operand 8 states. [2020-12-02 11:44:07,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:07,503 INFO L93 Difference]: Finished difference Result 1325 states and 3417 transitions. [2020-12-02 11:44:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-02 11:44:07,504 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-02 11:44:07,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:07,508 INFO L225 Difference]: With dead ends: 1325 [2020-12-02 11:44:07,509 INFO L226 Difference]: Without dead ends: 1314 [2020-12-02 11:44:07,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-12-02 11:44:07,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-12-02 11:44:07,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 940. [2020-12-02 11:44:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-12-02 11:44:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 2405 transitions. [2020-12-02 11:44:07,539 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 2405 transitions. Word has length 23 [2020-12-02 11:44:07,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:07,540 INFO L481 AbstractCegarLoop]: Abstraction has 940 states and 2405 transitions. [2020-12-02 11:44:07,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 11:44:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 2405 transitions. [2020-12-02 11:44:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:07,543 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:07,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:07,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-02 11:44:07,544 INFO L429 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:07,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:07,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1553733818, now seen corresponding path program 2 times [2020-12-02 11:44:07,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:07,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387052012] [2020-12-02 11:44:07,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:07,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387052012] [2020-12-02 11:44:07,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:07,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-02 11:44:07,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334312445] [2020-12-02 11:44:07,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 11:44:07,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:07,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 11:44:07,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:07,684 INFO L87 Difference]: Start difference. First operand 940 states and 2405 transitions. Second operand 8 states. [2020-12-02 11:44:08,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:08,032 INFO L93 Difference]: Finished difference Result 1060 states and 2601 transitions. [2020-12-02 11:44:08,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-02 11:44:08,033 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-02 11:44:08,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:08,037 INFO L225 Difference]: With dead ends: 1060 [2020-12-02 11:44:08,037 INFO L226 Difference]: Without dead ends: 1060 [2020-12-02 11:44:08,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-12-02 11:44:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-12-02 11:44:08,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 896. [2020-12-02 11:44:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-12-02 11:44:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 2307 transitions. [2020-12-02 11:44:08,067 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 2307 transitions. Word has length 23 [2020-12-02 11:44:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:08,068 INFO L481 AbstractCegarLoop]: Abstraction has 896 states and 2307 transitions. [2020-12-02 11:44:08,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 11:44:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 2307 transitions. [2020-12-02 11:44:08,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 11:44:08,071 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:08,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:08,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-02 11:44:08,072 INFO L429 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:08,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:08,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1395261278, now seen corresponding path program 2 times [2020-12-02 11:44:08,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:08,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901400900] [2020-12-02 11:44:08,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:08,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901400900] [2020-12-02 11:44:08,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:08,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-02 11:44:08,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360520071] [2020-12-02 11:44:08,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 11:44:08,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:08,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 11:44:08,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-02 11:44:08,186 INFO L87 Difference]: Start difference. First operand 896 states and 2307 transitions. Second operand 8 states. [2020-12-02 11:44:08,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:08,546 INFO L93 Difference]: Finished difference Result 1113 states and 2878 transitions. [2020-12-02 11:44:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 11:44:08,547 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-02 11:44:08,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:08,551 INFO L225 Difference]: With dead ends: 1113 [2020-12-02 11:44:08,551 INFO L226 Difference]: Without dead ends: 1113 [2020-12-02 11:44:08,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-02 11:44:08,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2020-12-02 11:44:08,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 800. [2020-12-02 11:44:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-12-02 11:44:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2051 transitions. [2020-12-02 11:44:08,577 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2051 transitions. Word has length 23 [2020-12-02 11:44:08,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:08,578 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 2051 transitions. [2020-12-02 11:44:08,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 11:44:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2051 transitions. [2020-12-02 11:44:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:08,580 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:08,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:08,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-02 11:44:08,581 INFO L429 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:08,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:08,581 INFO L82 PathProgramCache]: Analyzing trace with hash -189374773, now seen corresponding path program 1 times [2020-12-02 11:44:08,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:08,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019011627] [2020-12-02 11:44:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:08,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019011627] [2020-12-02 11:44:08,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:08,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-02 11:44:08,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874972166] [2020-12-02 11:44:08,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 11:44:08,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:08,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 11:44:08,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:08,653 INFO L87 Difference]: Start difference. First operand 800 states and 2051 transitions. Second operand 7 states. [2020-12-02 11:44:08,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:08,809 INFO L93 Difference]: Finished difference Result 869 states and 2295 transitions. [2020-12-02 11:44:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:44:08,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-02 11:44:08,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:08,814 INFO L225 Difference]: With dead ends: 869 [2020-12-02 11:44:08,814 INFO L226 Difference]: Without dead ends: 772 [2020-12-02 11:44:08,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-02 11:44:08,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-12-02 11:44:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 728. [2020-12-02 11:44:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-12-02 11:44:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1877 transitions. [2020-12-02 11:44:08,835 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1877 transitions. Word has length 28 [2020-12-02 11:44:08,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:08,835 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 1877 transitions. [2020-12-02 11:44:08,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 11:44:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1877 transitions. [2020-12-02 11:44:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:08,838 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:08,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:08,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-02 11:44:08,839 INFO L429 AbstractCegarLoop]: === Iteration 26 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash 238014607, now seen corresponding path program 2 times [2020-12-02 11:44:08,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:08,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691500365] [2020-12-02 11:44:08,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:08,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691500365] [2020-12-02 11:44:08,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:08,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-02 11:44:08,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322415804] [2020-12-02 11:44:08,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 11:44:08,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:08,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 11:44:08,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:08,923 INFO L87 Difference]: Start difference. First operand 728 states and 1877 transitions. Second operand 7 states. [2020-12-02 11:44:09,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:09,120 INFO L93 Difference]: Finished difference Result 931 states and 2486 transitions. [2020-12-02 11:44:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:44:09,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-02 11:44:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:09,123 INFO L225 Difference]: With dead ends: 931 [2020-12-02 11:44:09,123 INFO L226 Difference]: Without dead ends: 742 [2020-12-02 11:44:09,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:09,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-12-02 11:44:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 636. [2020-12-02 11:44:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-12-02 11:44:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1637 transitions. [2020-12-02 11:44:09,140 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1637 transitions. Word has length 28 [2020-12-02 11:44:09,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:09,140 INFO L481 AbstractCegarLoop]: Abstraction has 636 states and 1637 transitions. [2020-12-02 11:44:09,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 11:44:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1637 transitions. [2020-12-02 11:44:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:09,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:09,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:09,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-02 11:44:09,143 INFO L429 AbstractCegarLoop]: === Iteration 27 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:09,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:09,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1406741151, now seen corresponding path program 1 times [2020-12-02 11:44:09,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:09,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838032123] [2020-12-02 11:44:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:09,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838032123] [2020-12-02 11:44:09,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:09,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-02 11:44:09,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245347456] [2020-12-02 11:44:09,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 11:44:09,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:09,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 11:44:09,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-02 11:44:09,199 INFO L87 Difference]: Start difference. First operand 636 states and 1637 transitions. Second operand 6 states. [2020-12-02 11:44:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:09,260 INFO L93 Difference]: Finished difference Result 746 states and 1867 transitions. [2020-12-02 11:44:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 11:44:09,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-12-02 11:44:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:09,263 INFO L225 Difference]: With dead ends: 746 [2020-12-02 11:44:09,263 INFO L226 Difference]: Without dead ends: 580 [2020-12-02 11:44:09,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:09,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-12-02 11:44:09,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-12-02 11:44:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-12-02 11:44:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 1464 transitions. [2020-12-02 11:44:09,277 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 1464 transitions. Word has length 28 [2020-12-02 11:44:09,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:09,277 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 1464 transitions. [2020-12-02 11:44:09,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 11:44:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1464 transitions. [2020-12-02 11:44:09,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:09,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:09,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:09,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-02 11:44:09,280 INFO L429 AbstractCegarLoop]: === Iteration 28 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:09,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:09,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1944117561, now seen corresponding path program 1 times [2020-12-02 11:44:09,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:09,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526257779] [2020-12-02 11:44:09,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:09,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526257779] [2020-12-02 11:44:09,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:09,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-02 11:44:09,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097190848] [2020-12-02 11:44:09,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 11:44:09,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:09,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 11:44:09,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-12-02 11:44:09,398 INFO L87 Difference]: Start difference. First operand 580 states and 1464 transitions. Second operand 12 states. [2020-12-02 11:44:10,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:10,324 INFO L93 Difference]: Finished difference Result 818 states and 2053 transitions. [2020-12-02 11:44:10,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-02 11:44:10,325 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2020-12-02 11:44:10,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:10,329 INFO L225 Difference]: With dead ends: 818 [2020-12-02 11:44:10,329 INFO L226 Difference]: Without dead ends: 639 [2020-12-02 11:44:10,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=303, Invalid=1179, Unknown=0, NotChecked=0, Total=1482 [2020-12-02 11:44:10,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-12-02 11:44:10,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 521. [2020-12-02 11:44:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-12-02 11:44:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 1319 transitions. [2020-12-02 11:44:10,345 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 1319 transitions. Word has length 28 [2020-12-02 11:44:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:10,345 INFO L481 AbstractCegarLoop]: Abstraction has 521 states and 1319 transitions. [2020-12-02 11:44:10,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 11:44:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1319 transitions. [2020-12-02 11:44:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:10,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:10,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:10,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-02 11:44:10,348 INFO L429 AbstractCegarLoop]: === Iteration 29 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:10,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:10,348 INFO L82 PathProgramCache]: Analyzing trace with hash -2037838081, now seen corresponding path program 2 times [2020-12-02 11:44:10,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:10,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039635063] [2020-12-02 11:44:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:10,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039635063] [2020-12-02 11:44:10,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:10,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-02 11:44:10,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790849124] [2020-12-02 11:44:10,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 11:44:10,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:10,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 11:44:10,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:10,424 INFO L87 Difference]: Start difference. First operand 521 states and 1319 transitions. Second operand 7 states. [2020-12-02 11:44:10,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:10,572 INFO L93 Difference]: Finished difference Result 697 states and 1807 transitions. [2020-12-02 11:44:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:44:10,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-02 11:44:10,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:10,574 INFO L225 Difference]: With dead ends: 697 [2020-12-02 11:44:10,575 INFO L226 Difference]: Without dead ends: 535 [2020-12-02 11:44:10,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-12-02 11:44:10,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 455. [2020-12-02 11:44:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-12-02 11:44:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 1134 transitions. [2020-12-02 11:44:10,587 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 1134 transitions. Word has length 28 [2020-12-02 11:44:10,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:10,587 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 1134 transitions. [2020-12-02 11:44:10,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 11:44:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1134 transitions. [2020-12-02 11:44:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:10,589 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:10,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:10,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-02 11:44:10,590 INFO L429 AbstractCegarLoop]: === Iteration 30 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:10,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:10,590 INFO L82 PathProgramCache]: Analyzing trace with hash 720744039, now seen corresponding path program 3 times [2020-12-02 11:44:10,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:10,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944688979] [2020-12-02 11:44:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:10,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944688979] [2020-12-02 11:44:10,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:10,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-02 11:44:10,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144516248] [2020-12-02 11:44:10,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 11:44:10,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:10,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 11:44:10,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:10,661 INFO L87 Difference]: Start difference. First operand 455 states and 1134 transitions. Second operand 7 states. [2020-12-02 11:44:10,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:10,779 INFO L93 Difference]: Finished difference Result 515 states and 1276 transitions. [2020-12-02 11:44:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 11:44:10,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-02 11:44:10,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:10,781 INFO L225 Difference]: With dead ends: 515 [2020-12-02 11:44:10,781 INFO L226 Difference]: Without dead ends: 465 [2020-12-02 11:44:10,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-12-02 11:44:10,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 455. [2020-12-02 11:44:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-12-02 11:44:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 1132 transitions. [2020-12-02 11:44:10,792 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 1132 transitions. Word has length 28 [2020-12-02 11:44:10,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:10,792 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 1132 transitions. [2020-12-02 11:44:10,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 11:44:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1132 transitions. [2020-12-02 11:44:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:10,794 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:10,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:10,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-02 11:44:10,794 INFO L429 AbstractCegarLoop]: === Iteration 31 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:10,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:10,795 INFO L82 PathProgramCache]: Analyzing trace with hash -410751779, now seen corresponding path program 4 times [2020-12-02 11:44:10,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:10,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944760140] [2020-12-02 11:44:10,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:10,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944760140] [2020-12-02 11:44:10,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:10,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 11:44:10,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496755356] [2020-12-02 11:44:10,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 11:44:10,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:10,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 11:44:10,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-02 11:44:10,834 INFO L87 Difference]: Start difference. First operand 455 states and 1132 transitions. Second operand 4 states. [2020-12-02 11:44:10,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:10,876 INFO L93 Difference]: Finished difference Result 445 states and 1114 transitions. [2020-12-02 11:44:10,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 11:44:10,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-12-02 11:44:10,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:10,879 INFO L225 Difference]: With dead ends: 445 [2020-12-02 11:44:10,879 INFO L226 Difference]: Without dead ends: 383 [2020-12-02 11:44:10,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:44:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-12-02 11:44:10,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2020-12-02 11:44:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-12-02 11:44:10,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 912 transitions. [2020-12-02 11:44:10,888 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 912 transitions. Word has length 28 [2020-12-02 11:44:10,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:10,888 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 912 transitions. [2020-12-02 11:44:10,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 11:44:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 912 transitions. [2020-12-02 11:44:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:10,890 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:10,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:10,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-02 11:44:10,890 INFO L429 AbstractCegarLoop]: === Iteration 32 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:10,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:10,891 INFO L82 PathProgramCache]: Analyzing trace with hash 50623519, now seen corresponding path program 5 times [2020-12-02 11:44:10,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:10,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700231588] [2020-12-02 11:44:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:10,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700231588] [2020-12-02 11:44:10,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:10,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-02 11:44:10,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302627775] [2020-12-02 11:44:10,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 11:44:10,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:10,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 11:44:10,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:10,964 INFO L87 Difference]: Start difference. First operand 383 states and 912 transitions. Second operand 7 states. [2020-12-02 11:44:11,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:11,087 INFO L93 Difference]: Finished difference Result 359 states and 874 transitions. [2020-12-02 11:44:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:44:11,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-02 11:44:11,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:11,089 INFO L225 Difference]: With dead ends: 359 [2020-12-02 11:44:11,089 INFO L226 Difference]: Without dead ends: 241 [2020-12-02 11:44:11,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:11,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-12-02 11:44:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 229. [2020-12-02 11:44:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-12-02 11:44:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 559 transitions. [2020-12-02 11:44:11,095 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 559 transitions. Word has length 28 [2020-12-02 11:44:11,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:11,096 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 559 transitions. [2020-12-02 11:44:11,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 11:44:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 559 transitions. [2020-12-02 11:44:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:11,097 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:11,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:11,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-02 11:44:11,097 INFO L429 AbstractCegarLoop]: === Iteration 33 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:11,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:11,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2029147063, now seen corresponding path program 3 times [2020-12-02 11:44:11,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:11,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327010477] [2020-12-02 11:44:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:11,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327010477] [2020-12-02 11:44:11,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:11,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-02 11:44:11,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936200105] [2020-12-02 11:44:11,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 11:44:11,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:11,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 11:44:11,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:11,171 INFO L87 Difference]: Start difference. First operand 229 states and 559 transitions. Second operand 7 states. [2020-12-02 11:44:11,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:11,275 INFO L93 Difference]: Finished difference Result 308 states and 746 transitions. [2020-12-02 11:44:11,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 11:44:11,275 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-02 11:44:11,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:11,276 INFO L225 Difference]: With dead ends: 308 [2020-12-02 11:44:11,277 INFO L226 Difference]: Without dead ends: 235 [2020-12-02 11:44:11,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-12-02 11:44:11,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 185. [2020-12-02 11:44:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-02 11:44:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 441 transitions. [2020-12-02 11:44:11,282 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 441 transitions. Word has length 28 [2020-12-02 11:44:11,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:11,282 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 441 transitions. [2020-12-02 11:44:11,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 11:44:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 441 transitions. [2020-12-02 11:44:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:11,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:11,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:11,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-02 11:44:11,284 INFO L429 AbstractCegarLoop]: === Iteration 34 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:11,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:11,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1111973745, now seen corresponding path program 4 times [2020-12-02 11:44:11,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:11,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452660169] [2020-12-02 11:44:11,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:11,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452660169] [2020-12-02 11:44:11,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:11,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-02 11:44:11,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184281416] [2020-12-02 11:44:11,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 11:44:11,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:11,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 11:44:11,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-02 11:44:11,353 INFO L87 Difference]: Start difference. First operand 185 states and 441 transitions. Second operand 7 states. [2020-12-02 11:44:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:11,446 INFO L93 Difference]: Finished difference Result 247 states and 587 transitions. [2020-12-02 11:44:11,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 11:44:11,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-02 11:44:11,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:11,448 INFO L225 Difference]: With dead ends: 247 [2020-12-02 11:44:11,448 INFO L226 Difference]: Without dead ends: 182 [2020-12-02 11:44:11,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-02 11:44:11,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-02 11:44:11,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 172. [2020-12-02 11:44:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-12-02 11:44:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 410 transitions. [2020-12-02 11:44:11,453 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 410 transitions. Word has length 28 [2020-12-02 11:44:11,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:11,453 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 410 transitions. [2020-12-02 11:44:11,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 11:44:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 410 transitions. [2020-12-02 11:44:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-02 11:44:11,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:44:11,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:44:11,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-02 11:44:11,455 INFO L429 AbstractCegarLoop]: === Iteration 35 === [qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-02 11:44:11,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:44:11,455 INFO L82 PathProgramCache]: Analyzing trace with hash 446894597, now seen corresponding path program 5 times [2020-12-02 11:44:11,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:44:11,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390618407] [2020-12-02 11:44:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:44:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:44:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:44:11,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390618407] [2020-12-02 11:44:11,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:44:11,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 11:44:11,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072725913] [2020-12-02 11:44:11,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 11:44:11,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:44:11,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 11:44:11,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-02 11:44:11,492 INFO L87 Difference]: Start difference. First operand 172 states and 410 transitions. Second operand 4 states. [2020-12-02 11:44:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:44:11,518 INFO L93 Difference]: Finished difference Result 110 states and 296 transitions. [2020-12-02 11:44:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 11:44:11,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-12-02 11:44:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:44:11,519 INFO L225 Difference]: With dead ends: 110 [2020-12-02 11:44:11,519 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 11:44:11,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-02 11:44:11,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 11:44:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 11:44:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 11:44:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 11:44:11,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-12-02 11:44:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:44:11,520 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 11:44:11,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 11:44:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 11:44:11,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 11:44:11,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-02 11:44:11,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:44:11 BasicIcfg [2020-12-02 11:44:11,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 11:44:11,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 11:44:11,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 11:44:11,526 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 11:44:11,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:43" (3/4) ... [2020-12-02 11:44:11,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 11:44:11,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure qrcu_reader1 [2020-12-02 11:44:11,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure qrcu_reader2 [2020-12-02 11:44:11,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure qrcu_updater [2020-12-02 11:44:11,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-02 11:44:11,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-02 11:44:11,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 11:44:11,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 11:44:11,578 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 11:44:11,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 11:44:11,579 INFO L168 Benchmark]: Toolchain (without parser) took 31142.07 ms. Allocated memory was 54.5 MB in the beginning and 1.3 GB in the end (delta: 1.3 GB). Free memory was 29.9 MB in the beginning and 716.3 MB in the end (delta: -686.4 MB). Peak memory consumption was 576.8 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:11,579 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory is still 21.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:44:11,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.94 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 36.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:11,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.92 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 33.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:11,580 INFO L168 Benchmark]: Boogie Preprocessor took 86.13 ms. Allocated memory is still 54.5 MB. Free memory was 33.3 MB in the beginning and 31.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:11,581 INFO L168 Benchmark]: RCFGBuilder took 1656.91 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.4 MB in the beginning and 48.5 MB in the end (delta: -17.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:11,581 INFO L168 Benchmark]: TraceAbstraction took 28447.92 ms. Allocated memory was 81.8 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 48.0 MB in the beginning and 718.4 MB in the end (delta: -670.5 MB). Peak memory consumption was 564.8 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:11,582 INFO L168 Benchmark]: Witness Printer took 52.35 ms. Allocated memory is still 1.3 GB. Free memory was 718.4 MB in the beginning and 716.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:11,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory is still 21.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 814.94 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 36.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.92 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 33.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.13 ms. Allocated memory is still 54.5 MB. Free memory was 33.3 MB in the beginning and 31.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1656.91 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.4 MB in the beginning and 48.5 MB in the end (delta: -17.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28447.92 ms. Allocated memory was 81.8 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 48.0 MB in the beginning and 718.4 MB in the end (delta: -670.5 MB). Peak memory consumption was 564.8 MB. Max. memory is 16.1 GB. * Witness Printer took 52.35 ms. Allocated memory is still 1.3 GB. Free memory was 718.4 MB in the beginning and 716.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6751 VarBasedMoverChecksPositive, 151 VarBasedMoverChecksNegative, 35 SemBasedMoverChecksPositive, 116 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.7s, 1035 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.4s, 161 PlacesBefore, 66 PlacesAfterwards, 175 TransitionsBefore, 76 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 130 TotalNumberOfCompositions, 27568 MoverChecksTotal - PositiveResult [Line: 712]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 719]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 152 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.2s, OverallIterations: 35, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.8s, HoareTripleCheckerStatistics: 2827 SDtfs, 3648 SDslu, 6445 SDs, 0 SdLazy, 4987 SolverSat, 582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 42 SyntacticMatches, 6 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6335occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 35 MinimizatonAttempts, 8404 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 776 NumberOfCodeBlocks, 776 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 87893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 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 correct! Received shutdown request...