./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92de787da58164b8efa82fae19f262746d58018b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:04:19,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:04:19,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:04:19,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:04:19,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:04:19,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:04:19,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:04:19,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:04:19,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:04:19,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:04:19,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:04:19,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:04:19,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:04:19,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:04:19,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:04:19,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:04:19,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:04:19,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:04:19,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:04:19,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:04:19,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:04:19,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:04:19,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:04:19,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:04:19,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:04:19,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:04:19,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:04:19,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:04:19,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:04:19,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:04:19,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:04:19,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:04:19,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:04:19,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:04:19,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:04:19,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:04:19,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:04:19,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:04:19,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:04:19,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:04:19,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:04:19,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 06:04:19,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:04:19,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:04:19,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:04:19,091 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:04:19,091 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:04:19,091 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:04:19,091 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:04:19,091 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:04:19,092 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:04:19,092 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:04:19,092 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:04:19,092 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:04:19,092 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:04:19,092 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:04:19,092 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:04:19,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:04:19,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:04:19,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:04:19,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:04:19,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:04:19,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:04:19,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:04:19,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:04:19,094 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:04:19,094 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:04:19,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:04:19,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:04:19,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:04:19,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:04:19,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:04:19,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:04:19,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:04:19,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:04:19,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:04:19,095 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:04:19,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:04:19,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:04:19,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:04:19,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:04:19,096 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92de787da58164b8efa82fae19f262746d58018b [2020-12-09 06:04:19,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:04:19,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:04:19,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:04:19,287 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:04:19,288 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:04:19,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2020-12-09 06:04:19,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/data/f0bc08a33/6ba31ac011684c1181690b6b26bb8dbe/FLAG5ea9093e0 [2020-12-09 06:04:19,724 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:04:19,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2020-12-09 06:04:19,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/data/f0bc08a33/6ba31ac011684c1181690b6b26bb8dbe/FLAG5ea9093e0 [2020-12-09 06:04:20,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/data/f0bc08a33/6ba31ac011684c1181690b6b26bb8dbe [2020-12-09 06:04:20,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:04:20,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:04:20,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:04:20,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:04:20,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:04:20,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54118794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20, skipping insertion in model container [2020-12-09 06:04:20,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:04:20,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:04:20,364 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2020-12-09 06:04:20,367 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2020-12-09 06:04:20,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:04:20,386 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:04:20,415 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2020-12-09 06:04:20,416 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2020-12-09 06:04:20,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:04:20,475 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:04:20,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20 WrapperNode [2020-12-09 06:04:20,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:04:20,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:04:20,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:04:20,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:04:20,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:04:20,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:04:20,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:04:20,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:04:20,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... [2020-12-09 06:04:20,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:04:20,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:04:20,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:04:20,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:04:20,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/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 [2020-12-09 06:04:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-12-09 06:04:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-12-09 06:04:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-12-09 06:04:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-12-09 06:04:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 06:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:04:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:04:20,637 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-09 06:04:21,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:04:21,344 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 06:04:21,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:04:21 BoogieIcfgContainer [2020-12-09 06:04:21,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:04:21,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:04:21,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:04:21,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:04:21,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:04:20" (1/3) ... [2020-12-09 06:04:21,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1048fefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:04:21, skipping insertion in model container [2020-12-09 06:04:21,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:04:20" (2/3) ... [2020-12-09 06:04:21,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1048fefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:04:21, skipping insertion in model container [2020-12-09 06:04:21,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:04:21" (3/3) ... [2020-12-09 06:04:21,353 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-12-09 06:04:21,363 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-09 06:04:21,363 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:04:21,366 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 06:04:21,367 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-09 06:04:21,398 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,398 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,398 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,398 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,398 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,398 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,399 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,399 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,399 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,399 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,399 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,399 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,400 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,400 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,400 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,400 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,400 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,400 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,401 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,401 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,401 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,401 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,401 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,402 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,402 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,402 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,402 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,403 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,403 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,403 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,403 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,403 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,403 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,403 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,404 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,405 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,405 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,405 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,405 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,405 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,405 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,406 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,406 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,406 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,406 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,406 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,406 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,406 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,407 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,407 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,407 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,407 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,407 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,407 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,407 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,408 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,408 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,408 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,408 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,408 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,408 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,408 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,409 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,409 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,409 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,409 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,410 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,410 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,410 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,410 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,410 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,410 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,410 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,411 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,411 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,411 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,411 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,411 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,412 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,412 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,412 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,412 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,412 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,413 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,413 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,413 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,413 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,413 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,414 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,414 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,414 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,414 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,414 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,414 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,414 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,415 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,415 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,415 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,415 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,415 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,415 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,415 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,416 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,416 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,416 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,416 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,416 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,416 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,416 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,418 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,420 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,420 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,421 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,421 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,421 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,421 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,422 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,422 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,422 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,422 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,422 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,422 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,422 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,424 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,424 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,424 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,424 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,424 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,424 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,424 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,427 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,427 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,428 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,429 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,436 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,436 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,437 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,437 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,437 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,439 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,439 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,439 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,439 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,439 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,441 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,442 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,443 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,443 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,443 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,443 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,443 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,443 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,443 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,444 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,444 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,448 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,452 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,460 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,460 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,462 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,462 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,463 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,463 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,463 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,463 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,463 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,463 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,463 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,464 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,464 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,464 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,465 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,466 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,466 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,467 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,468 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,469 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,469 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,471 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,471 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 06:04:21,479 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-12-09 06:04:21,489 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-09 06:04:21,502 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:04:21,502 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:04:21,502 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:04:21,502 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:04:21,503 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:04:21,503 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:04:21,503 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:04:21,503 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:04:21,515 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-09 06:04:21,517 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 175 transitions, 392 flow [2020-12-09 06:04:21,520 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 175 transitions, 392 flow [2020-12-09 06:04:21,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 175 transitions, 392 flow [2020-12-09 06:04:21,583 INFO L129 PetriNetUnfolder]: 23/183 cut-off events. [2020-12-09 06:04:21,583 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-12-09 06:04:21,590 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. [2020-12-09 06:04:21,599 INFO L116 LiptonReduction]: Number of co-enabled transitions 10120 [2020-12-09 06:04:22,192 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-09 06:04:22,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:04:22,200 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-09 06:04:22,201 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:04:26,400 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-12-09 06:04:26,580 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-09 06:04:26,754 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-12-09 06:04:26,913 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-09 06:04:27,362 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2020-12-09 06:04:27,581 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-12-09 06:04:28,001 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2020-12-09 06:04:28,192 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-12-09 06:04:28,210 INFO L131 LiptonReduction]: Checked pairs total: 27568 [2020-12-09 06:04:28,210 INFO L133 LiptonReduction]: Total number of compositions: 130 [2020-12-09 06:04:28,214 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-12-09 06:04:28,404 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-12-09 06:04:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-12-09 06:04:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 06:04:28,420 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:28,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:28,421 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]=== [2020-12-09 06:04:28,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:28,425 INFO L82 PathProgramCache]: Analyzing trace with hash -568840670, now seen corresponding path program 1 times [2020-12-09 06:04:28,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:28,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245508211] [2020-12-09 06:04:28,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:28,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245508211] [2020-12-09 06:04:28,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:28,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:04:28,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620844958] [2020-12-09 06:04:28,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 06:04:28,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:28,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 06:04:28,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 06:04:28,623 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 5 states. [2020-12-09 06:04:28,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:28,872 INFO L93 Difference]: Finished difference Result 7129 states and 25788 transitions. [2020-12-09 06:04:28,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:28,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-09 06:04:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:28,930 INFO L225 Difference]: With dead ends: 7129 [2020-12-09 06:04:28,930 INFO L226 Difference]: Without dead ends: 6040 [2020-12-09 06:04:28,931 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 [2020-12-09 06:04:28,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6040 states. [2020-12-09 06:04:29,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6040 to 5035. [2020-12-09 06:04:29,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-12-09 06:04:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 19082 transitions. [2020-12-09 06:04:29,174 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 19082 transitions. Word has length 12 [2020-12-09 06:04:29,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:29,174 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 19082 transitions. [2020-12-09 06:04:29,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 06:04:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 19082 transitions. [2020-12-09 06:04:29,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 06:04:29,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:29,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:29,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 06:04:29,178 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]=== [2020-12-09 06:04:29,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:29,178 INFO L82 PathProgramCache]: Analyzing trace with hash -574352005, now seen corresponding path program 1 times [2020-12-09 06:04:29,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:29,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872152669] [2020-12-09 06:04:29,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:29,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872152669] [2020-12-09 06:04:29,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:29,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:04:29,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314144447] [2020-12-09 06:04:29,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 06:04:29,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:29,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 06:04:29,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 06:04:29,259 INFO L87 Difference]: Start difference. First operand 5035 states and 19082 transitions. Second operand 5 states. [2020-12-09 06:04:29,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:29,456 INFO L93 Difference]: Finished difference Result 6078 states and 21993 transitions. [2020-12-09 06:04:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 06:04:29,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-09 06:04:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:29,499 INFO L225 Difference]: With dead ends: 6078 [2020-12-09 06:04:29,500 INFO L226 Difference]: Without dead ends: 6078 [2020-12-09 06:04:29,500 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 [2020-12-09 06:04:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6078 states. [2020-12-09 06:04:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6078 to 4657. [2020-12-09 06:04:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4657 states. [2020-12-09 06:04:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4657 states to 4657 states and 17269 transitions. [2020-12-09 06:04:29,655 INFO L78 Accepts]: Start accepts. Automaton has 4657 states and 17269 transitions. Word has length 12 [2020-12-09 06:04:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:29,655 INFO L481 AbstractCegarLoop]: Abstraction has 4657 states and 17269 transitions. [2020-12-09 06:04:29,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 06:04:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4657 states and 17269 transitions. [2020-12-09 06:04:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 06:04:29,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:29,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:29,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 06:04:29,658 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]=== [2020-12-09 06:04:29,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:29,659 INFO L82 PathProgramCache]: Analyzing trace with hash -448947251, now seen corresponding path program 1 times [2020-12-09 06:04:29,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:29,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41262559] [2020-12-09 06:04:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:29,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41262559] [2020-12-09 06:04:29,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:29,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 06:04:29,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878864806] [2020-12-09 06:04:29,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:04:29,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:29,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:04:29,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:04:29,711 INFO L87 Difference]: Start difference. First operand 4657 states and 17269 transitions. Second operand 3 states. [2020-12-09 06:04:29,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:29,752 INFO L93 Difference]: Finished difference Result 4510 states and 16702 transitions. [2020-12-09 06:04:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:04:29,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 06:04:29,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:29,777 INFO L225 Difference]: With dead ends: 4510 [2020-12-09 06:04:29,778 INFO L226 Difference]: Without dead ends: 4510 [2020-12-09 06:04:29,778 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 [2020-12-09 06:04:29,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4510 states. [2020-12-09 06:04:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4510 to 4510. [2020-12-09 06:04:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4510 states. [2020-12-09 06:04:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 16702 transitions. [2020-12-09 06:04:29,896 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 16702 transitions. Word has length 13 [2020-12-09 06:04:29,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:29,896 INFO L481 AbstractCegarLoop]: Abstraction has 4510 states and 16702 transitions. [2020-12-09 06:04:29,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:04:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 16702 transitions. [2020-12-09 06:04:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 06:04:29,898 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:29,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:29,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 06:04:29,898 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]=== [2020-12-09 06:04:29,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:29,899 INFO L82 PathProgramCache]: Analyzing trace with hash -448947102, now seen corresponding path program 1 times [2020-12-09 06:04:29,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:29,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406338797] [2020-12-09 06:04:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:29,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406338797] [2020-12-09 06:04:29,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:29,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 06:04:29,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430262882] [2020-12-09 06:04:29,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:04:29,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:29,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:04:29,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:04:29,939 INFO L87 Difference]: Start difference. First operand 4510 states and 16702 transitions. Second operand 3 states. [2020-12-09 06:04:29,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:29,975 INFO L93 Difference]: Finished difference Result 4363 states and 16135 transitions. [2020-12-09 06:04:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:04:29,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 06:04:29,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:29,994 INFO L225 Difference]: With dead ends: 4363 [2020-12-09 06:04:29,994 INFO L226 Difference]: Without dead ends: 4341 [2020-12-09 06:04:29,994 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 [2020-12-09 06:04:30,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4341 states. [2020-12-09 06:04:30,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4341 to 4341. [2020-12-09 06:04:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4341 states. [2020-12-09 06:04:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 4341 states and 16045 transitions. [2020-12-09 06:04:30,108 INFO L78 Accepts]: Start accepts. Automaton has 4341 states and 16045 transitions. Word has length 13 [2020-12-09 06:04:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:30,108 INFO L481 AbstractCegarLoop]: Abstraction has 4341 states and 16045 transitions. [2020-12-09 06:04:30,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:04:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 16045 transitions. [2020-12-09 06:04:30,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 06:04:30,111 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:30,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:30,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 06:04:30,112 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]=== [2020-12-09 06:04:30,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:30,112 INFO L82 PathProgramCache]: Analyzing trace with hash -7351418, now seen corresponding path program 1 times [2020-12-09 06:04:30,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:30,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274160101] [2020-12-09 06:04:30,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:30,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274160101] [2020-12-09 06:04:30,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:30,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 06:04:30,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383753380] [2020-12-09 06:04:30,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:04:30,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:30,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:04:30,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:04:30,142 INFO L87 Difference]: Start difference. First operand 4341 states and 16045 transitions. Second operand 3 states. [2020-12-09 06:04:30,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:30,202 INFO L93 Difference]: Finished difference Result 4803 states and 17559 transitions. [2020-12-09 06:04:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:04:30,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-09 06:04:30,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:30,219 INFO L225 Difference]: With dead ends: 4803 [2020-12-09 06:04:30,219 INFO L226 Difference]: Without dead ends: 4803 [2020-12-09 06:04:30,220 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 [2020-12-09 06:04:30,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4803 states. [2020-12-09 06:04:30,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4803 to 4488. [2020-12-09 06:04:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4488 states. [2020-12-09 06:04:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4488 states and 16685 transitions. [2020-12-09 06:04:30,370 INFO L78 Accepts]: Start accepts. Automaton has 4488 states and 16685 transitions. Word has length 16 [2020-12-09 06:04:30,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:30,370 INFO L481 AbstractCegarLoop]: Abstraction has 4488 states and 16685 transitions. [2020-12-09 06:04:30,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:04:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 4488 states and 16685 transitions. [2020-12-09 06:04:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 06:04:30,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:30,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:30,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 06:04:30,376 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]=== [2020-12-09 06:04:30,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:30,376 INFO L82 PathProgramCache]: Analyzing trace with hash -222649623, now seen corresponding path program 1 times [2020-12-09 06:04:30,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:30,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743344376] [2020-12-09 06:04:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:30,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:30,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743344376] [2020-12-09 06:04:30,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:30,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:04:30,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336479073] [2020-12-09 06:04:30,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 06:04:30,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:30,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 06:04:30,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 06:04:30,445 INFO L87 Difference]: Start difference. First operand 4488 states and 16685 transitions. Second operand 5 states. [2020-12-09 06:04:30,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:30,628 INFO L93 Difference]: Finished difference Result 4796 states and 17591 transitions. [2020-12-09 06:04:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 06:04:30,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-09 06:04:30,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:30,642 INFO L225 Difference]: With dead ends: 4796 [2020-12-09 06:04:30,642 INFO L226 Difference]: Without dead ends: 4796 [2020-12-09 06:04:30,642 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 [2020-12-09 06:04:30,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2020-12-09 06:04:30,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 4464. [2020-12-09 06:04:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4464 states. [2020-12-09 06:04:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4464 states and 16367 transitions. [2020-12-09 06:04:30,757 INFO L78 Accepts]: Start accepts. Automaton has 4464 states and 16367 transitions. Word has length 17 [2020-12-09 06:04:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:30,757 INFO L481 AbstractCegarLoop]: Abstraction has 4464 states and 16367 transitions. [2020-12-09 06:04:30,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 06:04:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 16367 transitions. [2020-12-09 06:04:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 06:04:30,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:30,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:30,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 06:04:30,761 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]=== [2020-12-09 06:04:30,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:30,761 INFO L82 PathProgramCache]: Analyzing trace with hash -393261719, now seen corresponding path program 1 times [2020-12-09 06:04:30,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:30,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883972136] [2020-12-09 06:04:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:30,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883972136] [2020-12-09 06:04:30,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:30,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 06:04:30,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997487542] [2020-12-09 06:04:30,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 06:04:30,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:30,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 06:04:30,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 06:04:30,805 INFO L87 Difference]: Start difference. First operand 4464 states and 16367 transitions. Second operand 6 states. [2020-12-09 06:04:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:30,990 INFO L93 Difference]: Finished difference Result 5307 states and 19098 transitions. [2020-12-09 06:04:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:30,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-09 06:04:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:31,003 INFO L225 Difference]: With dead ends: 5307 [2020-12-09 06:04:31,004 INFO L226 Difference]: Without dead ends: 5307 [2020-12-09 06:04:31,004 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 [2020-12-09 06:04:31,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5307 states. [2020-12-09 06:04:31,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5307 to 4611. [2020-12-09 06:04:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4611 states. [2020-12-09 06:04:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 16782 transitions. [2020-12-09 06:04:31,133 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 16782 transitions. Word has length 17 [2020-12-09 06:04:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:31,133 INFO L481 AbstractCegarLoop]: Abstraction has 4611 states and 16782 transitions. [2020-12-09 06:04:31,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 06:04:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 16782 transitions. [2020-12-09 06:04:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 06:04:31,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:31,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:31,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 06:04:31,140 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]=== [2020-12-09 06:04:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:31,140 INFO L82 PathProgramCache]: Analyzing trace with hash -825923863, now seen corresponding path program 2 times [2020-12-09 06:04:31,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:31,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60090893] [2020-12-09 06:04:31,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:31,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60090893] [2020-12-09 06:04:31,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:31,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 06:04:31,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240430370] [2020-12-09 06:04:31,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 06:04:31,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:31,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 06:04:31,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 06:04:31,206 INFO L87 Difference]: Start difference. First operand 4611 states and 16782 transitions. Second operand 5 states. [2020-12-09 06:04:31,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:31,314 INFO L93 Difference]: Finished difference Result 6374 states and 22658 transitions. [2020-12-09 06:04:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:31,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-09 06:04:31,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:31,328 INFO L225 Difference]: With dead ends: 6374 [2020-12-09 06:04:31,328 INFO L226 Difference]: Without dead ends: 6374 [2020-12-09 06:04:31,328 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 [2020-12-09 06:04:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6374 states. [2020-12-09 06:04:31,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6374 to 6335. [2020-12-09 06:04:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6335 states. [2020-12-09 06:04:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6335 states to 6335 states and 22591 transitions. [2020-12-09 06:04:31,455 INFO L78 Accepts]: Start accepts. Automaton has 6335 states and 22591 transitions. Word has length 17 [2020-12-09 06:04:31,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:31,455 INFO L481 AbstractCegarLoop]: Abstraction has 6335 states and 22591 transitions. [2020-12-09 06:04:31,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 06:04:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 6335 states and 22591 transitions. [2020-12-09 06:04:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 06:04:31,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:31,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:31,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 06:04:31,459 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]=== [2020-12-09 06:04:31,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:31,460 INFO L82 PathProgramCache]: Analyzing trace with hash -158261608, now seen corresponding path program 1 times [2020-12-09 06:04:31,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:31,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963632327] [2020-12-09 06:04:31,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:31,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963632327] [2020-12-09 06:04:31,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:31,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:04:31,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608951731] [2020-12-09 06:04:31,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:04:31,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:31,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:04:31,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:04:31,494 INFO L87 Difference]: Start difference. First operand 6335 states and 22591 transitions. Second operand 4 states. [2020-12-09 06:04:31,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:31,574 INFO L93 Difference]: Finished difference Result 8924 states and 30928 transitions. [2020-12-09 06:04:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 06:04:31,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-12-09 06:04:31,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:31,582 INFO L225 Difference]: With dead ends: 8924 [2020-12-09 06:04:31,582 INFO L226 Difference]: Without dead ends: 4826 [2020-12-09 06:04:31,583 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 [2020-12-09 06:04:31,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-12-09 06:04:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4787. [2020-12-09 06:04:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2020-12-09 06:04:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 15798 transitions. [2020-12-09 06:04:31,687 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 15798 transitions. Word has length 17 [2020-12-09 06:04:31,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:31,688 INFO L481 AbstractCegarLoop]: Abstraction has 4787 states and 15798 transitions. [2020-12-09 06:04:31,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:04:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 15798 transitions. [2020-12-09 06:04:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 06:04:31,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:31,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:31,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 06:04:31,690 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]=== [2020-12-09 06:04:31,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:31,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2127589195, now seen corresponding path program 1 times [2020-12-09 06:04:31,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:31,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997279219] [2020-12-09 06:04:31,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:31,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997279219] [2020-12-09 06:04:31,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:31,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:04:31,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997283086] [2020-12-09 06:04:31,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:04:31,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:31,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:04:31,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:04:31,720 INFO L87 Difference]: Start difference. First operand 4787 states and 15798 transitions. Second operand 3 states. [2020-12-09 06:04:31,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:31,757 INFO L93 Difference]: Finished difference Result 4787 states and 15703 transitions. [2020-12-09 06:04:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:04:31,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-09 06:04:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:31,765 INFO L225 Difference]: With dead ends: 4787 [2020-12-09 06:04:31,765 INFO L226 Difference]: Without dead ends: 3413 [2020-12-09 06:04:31,765 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 [2020-12-09 06:04:31,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2020-12-09 06:04:31,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2769. [2020-12-09 06:04:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-12-09 06:04:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 8888 transitions. [2020-12-09 06:04:31,816 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 8888 transitions. Word has length 19 [2020-12-09 06:04:31,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:31,816 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 8888 transitions. [2020-12-09 06:04:31,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:04:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 8888 transitions. [2020-12-09 06:04:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 06:04:31,818 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:31,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:04:31,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 06:04:31,819 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]=== [2020-12-09 06:04:31,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:31,819 INFO L82 PathProgramCache]: Analyzing trace with hash -2082290381, now seen corresponding path program 1 times [2020-12-09 06:04:31,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:31,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302226607] [2020-12-09 06:04:31,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:31,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302226607] [2020-12-09 06:04:31,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:31,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:04:31,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134924700] [2020-12-09 06:04:31,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:04:31,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:31,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:04:31,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:04:31,882 INFO L87 Difference]: Start difference. First operand 2769 states and 8888 transitions. Second operand 3 states. [2020-12-09 06:04:31,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:31,907 INFO L93 Difference]: Finished difference Result 2769 states and 8816 transitions. [2020-12-09 06:04:31,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:04:31,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-09 06:04:31,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:31,910 INFO L225 Difference]: With dead ends: 2769 [2020-12-09 06:04:31,910 INFO L226 Difference]: Without dead ends: 1364 [2020-12-09 06:04:31,910 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 [2020-12-09 06:04:31,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-12-09 06:04:31,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1218. [2020-12-09 06:04:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-12-09 06:04:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 3285 transitions. [2020-12-09 06:04:31,934 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 3285 transitions. Word has length 19 [2020-12-09 06:04:31,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:31,934 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 3285 transitions. [2020-12-09 06:04:31,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:04:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 3285 transitions. [2020-12-09 06:04:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 06:04:31,937 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:31,937 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] [2020-12-09 06:04:31,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 06:04:31,937 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]=== [2020-12-09 06:04:31,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:31,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1704828894, now seen corresponding path program 1 times [2020-12-09 06:04:31,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:31,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102680041] [2020-12-09 06:04:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:31,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102680041] [2020-12-09 06:04:31,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:31,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:04:31,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379272377] [2020-12-09 06:04:31,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:04:31,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:31,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:04:31,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:04:31,965 INFO L87 Difference]: Start difference. First operand 1218 states and 3285 transitions. Second operand 3 states. [2020-12-09 06:04:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:31,987 INFO L93 Difference]: Finished difference Result 1110 states and 2915 transitions. [2020-12-09 06:04:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:04:31,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-09 06:04:31,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:31,989 INFO L225 Difference]: With dead ends: 1110 [2020-12-09 06:04:31,989 INFO L226 Difference]: Without dead ends: 1110 [2020-12-09 06:04:31,990 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 [2020-12-09 06:04:31,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-12-09 06:04:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1058. [2020-12-09 06:04:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-12-09 06:04:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 2839 transitions. [2020-12-09 06:04:32,010 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 2839 transitions. Word has length 22 [2020-12-09 06:04:32,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:32,010 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 2839 transitions. [2020-12-09 06:04:32,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:04:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2839 transitions. [2020-12-09 06:04:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 06:04:32,012 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:32,012 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] [2020-12-09 06:04:32,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 06:04:32,012 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]=== [2020-12-09 06:04:32,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:32,013 INFO L82 PathProgramCache]: Analyzing trace with hash -634993578, now seen corresponding path program 1 times [2020-12-09 06:04:32,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:32,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063233662] [2020-12-09 06:04:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:32,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063233662] [2020-12-09 06:04:32,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:32,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 06:04:32,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020123154] [2020-12-09 06:04:32,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 06:04:32,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:32,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 06:04:32,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 06:04:32,040 INFO L87 Difference]: Start difference. First operand 1058 states and 2839 transitions. Second operand 3 states. [2020-12-09 06:04:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:32,060 INFO L93 Difference]: Finished difference Result 1070 states and 2732 transitions. [2020-12-09 06:04:32,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 06:04:32,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-09 06:04:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:32,062 INFO L225 Difference]: With dead ends: 1070 [2020-12-09 06:04:32,062 INFO L226 Difference]: Without dead ends: 1070 [2020-12-09 06:04:32,062 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 [2020-12-09 06:04:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-12-09 06:04:32,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1018. [2020-12-09 06:04:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2020-12-09 06:04:32,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 2656 transitions. [2020-12-09 06:04:32,075 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 2656 transitions. Word has length 22 [2020-12-09 06:04:32,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:32,075 INFO L481 AbstractCegarLoop]: Abstraction has 1018 states and 2656 transitions. [2020-12-09 06:04:32,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 06:04:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 2656 transitions. [2020-12-09 06:04:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 06:04:32,076 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:32,076 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] [2020-12-09 06:04:32,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 06:04:32,077 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]=== [2020-12-09 06:04:32,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:32,077 INFO L82 PathProgramCache]: Analyzing trace with hash -634992648, now seen corresponding path program 1 times [2020-12-09 06:04:32,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:32,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336112285] [2020-12-09 06:04:32,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:32,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336112285] [2020-12-09 06:04:32,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:32,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:04:32,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696634870] [2020-12-09 06:04:32,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 06:04:32,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:32,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 06:04:32,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 06:04:32,104 INFO L87 Difference]: Start difference. First operand 1018 states and 2656 transitions. Second operand 5 states. [2020-12-09 06:04:32,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:32,204 INFO L93 Difference]: Finished difference Result 1080 states and 2667 transitions. [2020-12-09 06:04:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 06:04:32,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-09 06:04:32,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:32,206 INFO L225 Difference]: With dead ends: 1080 [2020-12-09 06:04:32,206 INFO L226 Difference]: Without dead ends: 1020 [2020-12-09 06:04:32,207 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 [2020-12-09 06:04:32,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-12-09 06:04:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 862. [2020-12-09 06:04:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-12-09 06:04:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2223 transitions. [2020-12-09 06:04:32,226 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2223 transitions. Word has length 22 [2020-12-09 06:04:32,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:32,227 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2223 transitions. [2020-12-09 06:04:32,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 06:04:32,227 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2223 transitions. [2020-12-09 06:04:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:32,229 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:32,229 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] [2020-12-09 06:04:32,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 06:04:32,229 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]=== [2020-12-09 06:04:32,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:32,230 INFO L82 PathProgramCache]: Analyzing trace with hash -760421316, now seen corresponding path program 1 times [2020-12-09 06:04:32,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:32,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270044652] [2020-12-09 06:04:32,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:32,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270044652] [2020-12-09 06:04:32,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:32,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 06:04:32,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46403177] [2020-12-09 06:04:32,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 06:04:32,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:32,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 06:04:32,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-09 06:04:32,318 INFO L87 Difference]: Start difference. First operand 862 states and 2223 transitions. Second operand 9 states. [2020-12-09 06:04:32,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:32,620 INFO L93 Difference]: Finished difference Result 1476 states and 3725 transitions. [2020-12-09 06:04:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 06:04:32,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-09 06:04:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:32,622 INFO L225 Difference]: With dead ends: 1476 [2020-12-09 06:04:32,622 INFO L226 Difference]: Without dead ends: 1465 [2020-12-09 06:04:32,623 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 [2020-12-09 06:04:32,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2020-12-09 06:04:32,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 947. [2020-12-09 06:04:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2020-12-09 06:04:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 2439 transitions. [2020-12-09 06:04:32,639 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 2439 transitions. Word has length 23 [2020-12-09 06:04:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:32,639 INFO L481 AbstractCegarLoop]: Abstraction has 947 states and 2439 transitions. [2020-12-09 06:04:32,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 06:04:32,640 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 2439 transitions. [2020-12-09 06:04:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:32,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:32,642 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] [2020-12-09 06:04:32,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-09 06:04:32,642 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]=== [2020-12-09 06:04:32,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:32,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1888372992, now seen corresponding path program 1 times [2020-12-09 06:04:32,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:32,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867672174] [2020-12-09 06:04:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:32,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867672174] [2020-12-09 06:04:32,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:32,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 06:04:32,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547567569] [2020-12-09 06:04:32,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 06:04:32,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:32,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 06:04:32,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-12-09 06:04:32,732 INFO L87 Difference]: Start difference. First operand 947 states and 2439 transitions. Second operand 9 states. [2020-12-09 06:04:32,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:32,977 INFO L93 Difference]: Finished difference Result 1282 states and 3243 transitions. [2020-12-09 06:04:32,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-09 06:04:32,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-09 06:04:32,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:32,979 INFO L225 Difference]: With dead ends: 1282 [2020-12-09 06:04:32,979 INFO L226 Difference]: Without dead ends: 1282 [2020-12-09 06:04:32,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-12-09 06:04:32,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2020-12-09 06:04:32,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 937. [2020-12-09 06:04:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2020-12-09 06:04:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 2411 transitions. [2020-12-09 06:04:32,995 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 2411 transitions. Word has length 23 [2020-12-09 06:04:32,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:32,996 INFO L481 AbstractCegarLoop]: Abstraction has 937 states and 2411 transitions. [2020-12-09 06:04:32,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 06:04:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 2411 transitions. [2020-12-09 06:04:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:32,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:32,997 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] [2020-12-09 06:04:32,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 06:04:32,998 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]=== [2020-12-09 06:04:32,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:32,998 INFO L82 PathProgramCache]: Analyzing trace with hash 140768562, now seen corresponding path program 1 times [2020-12-09 06:04:32,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:32,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673057117] [2020-12-09 06:04:32,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:33,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673057117] [2020-12-09 06:04:33,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:33,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:04:33,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839633513] [2020-12-09 06:04:33,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:04:33,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:33,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:04:33,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:04:33,070 INFO L87 Difference]: Start difference. First operand 937 states and 2411 transitions. Second operand 8 states. [2020-12-09 06:04:33,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:33,286 INFO L93 Difference]: Finished difference Result 1265 states and 3275 transitions. [2020-12-09 06:04:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 06:04:33,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-09 06:04:33,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:33,288 INFO L225 Difference]: With dead ends: 1265 [2020-12-09 06:04:33,288 INFO L226 Difference]: Without dead ends: 1265 [2020-12-09 06:04:33,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-09 06:04:33,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2020-12-09 06:04:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 991. [2020-12-09 06:04:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-12-09 06:04:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 2540 transitions. [2020-12-09 06:04:33,306 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 2540 transitions. Word has length 23 [2020-12-09 06:04:33,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:33,306 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 2540 transitions. [2020-12-09 06:04:33,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:04:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 2540 transitions. [2020-12-09 06:04:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:33,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:33,307 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] [2020-12-09 06:04:33,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 06:04:33,307 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]=== [2020-12-09 06:04:33,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:33,308 INFO L82 PathProgramCache]: Analyzing trace with hash -29843534, now seen corresponding path program 2 times [2020-12-09 06:04:33,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:33,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348702002] [2020-12-09 06:04:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:33,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348702002] [2020-12-09 06:04:33,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:33,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 06:04:33,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33688139] [2020-12-09 06:04:33,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 06:04:33,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:33,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 06:04:33,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-09 06:04:33,382 INFO L87 Difference]: Start difference. First operand 991 states and 2540 transitions. Second operand 9 states. [2020-12-09 06:04:33,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:33,654 INFO L93 Difference]: Finished difference Result 1242 states and 3156 transitions. [2020-12-09 06:04:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-09 06:04:33,655 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-09 06:04:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:33,656 INFO L225 Difference]: With dead ends: 1242 [2020-12-09 06:04:33,656 INFO L226 Difference]: Without dead ends: 1242 [2020-12-09 06:04:33,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2020-12-09 06:04:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-12-09 06:04:33,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 986. [2020-12-09 06:04:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2020-12-09 06:04:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 2537 transitions. [2020-12-09 06:04:33,669 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 2537 transitions. Word has length 23 [2020-12-09 06:04:33,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:33,669 INFO L481 AbstractCegarLoop]: Abstraction has 986 states and 2537 transitions. [2020-12-09 06:04:33,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 06:04:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 2537 transitions. [2020-12-09 06:04:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:33,671 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:33,671 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] [2020-12-09 06:04:33,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 06:04:33,671 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]=== [2020-12-09 06:04:33,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:33,671 INFO L82 PathProgramCache]: Analyzing trace with hash -731052358, now seen corresponding path program 1 times [2020-12-09 06:04:33,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:33,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071800974] [2020-12-09 06:04:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:33,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071800974] [2020-12-09 06:04:33,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:33,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:04:33,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966512686] [2020-12-09 06:04:33,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:04:33,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:33,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:04:33,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:04:33,733 INFO L87 Difference]: Start difference. First operand 986 states and 2537 transitions. Second operand 8 states. [2020-12-09 06:04:33,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:33,953 INFO L93 Difference]: Finished difference Result 1344 states and 3460 transitions. [2020-12-09 06:04:33,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 06:04:33,953 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-09 06:04:33,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:33,955 INFO L225 Difference]: With dead ends: 1344 [2020-12-09 06:04:33,955 INFO L226 Difference]: Without dead ends: 1344 [2020-12-09 06:04:33,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-09 06:04:33,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2020-12-09 06:04:33,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1092. [2020-12-09 06:04:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2020-12-09 06:04:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 2815 transitions. [2020-12-09 06:04:33,968 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 2815 transitions. Word has length 23 [2020-12-09 06:04:33,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:33,968 INFO L481 AbstractCegarLoop]: Abstraction has 1092 states and 2815 transitions. [2020-12-09 06:04:33,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:04:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 2815 transitions. [2020-12-09 06:04:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:33,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:33,969 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] [2020-12-09 06:04:33,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 06:04:33,970 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]=== [2020-12-09 06:04:33,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:33,970 INFO L82 PathProgramCache]: Analyzing trace with hash -901664454, now seen corresponding path program 1 times [2020-12-09 06:04:33,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:33,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965154174] [2020-12-09 06:04:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:34,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965154174] [2020-12-09 06:04:34,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:34,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:04:34,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074518080] [2020-12-09 06:04:34,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:04:34,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:34,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:04:34,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:04:34,057 INFO L87 Difference]: Start difference. First operand 1092 states and 2815 transitions. Second operand 8 states. [2020-12-09 06:04:34,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:34,269 INFO L93 Difference]: Finished difference Result 1297 states and 3179 transitions. [2020-12-09 06:04:34,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-09 06:04:34,269 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-09 06:04:34,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:34,270 INFO L225 Difference]: With dead ends: 1297 [2020-12-09 06:04:34,270 INFO L226 Difference]: Without dead ends: 1297 [2020-12-09 06:04:34,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-12-09 06:04:34,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2020-12-09 06:04:34,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1047. [2020-12-09 06:04:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-12-09 06:04:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 2691 transitions. [2020-12-09 06:04:34,283 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 2691 transitions. Word has length 23 [2020-12-09 06:04:34,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:34,283 INFO L481 AbstractCegarLoop]: Abstraction has 1047 states and 2691 transitions. [2020-12-09 06:04:34,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:04:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 2691 transitions. [2020-12-09 06:04:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:34,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:34,284 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] [2020-12-09 06:04:34,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 06:04:34,285 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]=== [2020-12-09 06:04:34,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:34,285 INFO L82 PathProgramCache]: Analyzing trace with hash 541623034, now seen corresponding path program 2 times [2020-12-09 06:04:34,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:34,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129791710] [2020-12-09 06:04:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:34,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129791710] [2020-12-09 06:04:34,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:34,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:04:34,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778472188] [2020-12-09 06:04:34,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:04:34,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:34,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:04:34,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:04:34,351 INFO L87 Difference]: Start difference. First operand 1047 states and 2691 transitions. Second operand 8 states. [2020-12-09 06:04:34,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:34,599 INFO L93 Difference]: Finished difference Result 1290 states and 3361 transitions. [2020-12-09 06:04:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 06:04:34,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-09 06:04:34,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:34,601 INFO L225 Difference]: With dead ends: 1290 [2020-12-09 06:04:34,601 INFO L226 Difference]: Without dead ends: 1290 [2020-12-09 06:04:34,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-09 06:04:34,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2020-12-09 06:04:34,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 961. [2020-12-09 06:04:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-12-09 06:04:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 2458 transitions. [2020-12-09 06:04:34,616 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 2458 transitions. Word has length 23 [2020-12-09 06:04:34,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:34,616 INFO L481 AbstractCegarLoop]: Abstraction has 961 states and 2458 transitions. [2020-12-09 06:04:34,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:04:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 2458 transitions. [2020-12-09 06:04:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:34,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:34,619 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] [2020-12-09 06:04:34,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-09 06:04:34,619 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]=== [2020-12-09 06:04:34,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:34,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1724345914, now seen corresponding path program 3 times [2020-12-09 06:04:34,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:34,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934775065] [2020-12-09 06:04:34,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:34,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934775065] [2020-12-09 06:04:34,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:34,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:04:34,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585371025] [2020-12-09 06:04:34,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:04:34,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:34,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:04:34,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:04:34,693 INFO L87 Difference]: Start difference. First operand 961 states and 2458 transitions. Second operand 8 states. [2020-12-09 06:04:34,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:34,896 INFO L93 Difference]: Finished difference Result 1325 states and 3417 transitions. [2020-12-09 06:04:34,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 06:04:34,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-09 06:04:34,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:34,898 INFO L225 Difference]: With dead ends: 1325 [2020-12-09 06:04:34,898 INFO L226 Difference]: Without dead ends: 1314 [2020-12-09 06:04:34,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-12-09 06:04:34,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-12-09 06:04:34,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 940. [2020-12-09 06:04:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-12-09 06:04:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 2405 transitions. [2020-12-09 06:04:34,914 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 2405 transitions. Word has length 23 [2020-12-09 06:04:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:34,914 INFO L481 AbstractCegarLoop]: Abstraction has 940 states and 2405 transitions. [2020-12-09 06:04:34,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:04:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 2405 transitions. [2020-12-09 06:04:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:34,916 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:34,916 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] [2020-12-09 06:04:34,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-09 06:04:34,916 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]=== [2020-12-09 06:04:34,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:34,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1553733818, now seen corresponding path program 2 times [2020-12-09 06:04:34,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:34,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472805273] [2020-12-09 06:04:34,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:34,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472805273] [2020-12-09 06:04:34,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:34,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:04:34,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551709641] [2020-12-09 06:04:34,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:04:34,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:34,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:04:34,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:04:34,995 INFO L87 Difference]: Start difference. First operand 940 states and 2405 transitions. Second operand 8 states. [2020-12-09 06:04:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:35,165 INFO L93 Difference]: Finished difference Result 1060 states and 2601 transitions. [2020-12-09 06:04:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 06:04:35,165 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-09 06:04:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:35,166 INFO L225 Difference]: With dead ends: 1060 [2020-12-09 06:04:35,166 INFO L226 Difference]: Without dead ends: 1060 [2020-12-09 06:04:35,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-12-09 06:04:35,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-12-09 06:04:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 896. [2020-12-09 06:04:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-12-09 06:04:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 2307 transitions. [2020-12-09 06:04:35,178 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 2307 transitions. Word has length 23 [2020-12-09 06:04:35,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:35,178 INFO L481 AbstractCegarLoop]: Abstraction has 896 states and 2307 transitions. [2020-12-09 06:04:35,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:04:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 2307 transitions. [2020-12-09 06:04:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 06:04:35,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:35,179 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] [2020-12-09 06:04:35,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-09 06:04:35,179 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]=== [2020-12-09 06:04:35,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:35,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1395261278, now seen corresponding path program 2 times [2020-12-09 06:04:35,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:35,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794304071] [2020-12-09 06:04:35,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:35,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794304071] [2020-12-09 06:04:35,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:35,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:04:35,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302132765] [2020-12-09 06:04:35,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:04:35,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:35,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:04:35,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:04:35,245 INFO L87 Difference]: Start difference. First operand 896 states and 2307 transitions. Second operand 8 states. [2020-12-09 06:04:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:35,434 INFO L93 Difference]: Finished difference Result 1113 states and 2878 transitions. [2020-12-09 06:04:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 06:04:35,434 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-12-09 06:04:35,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:35,435 INFO L225 Difference]: With dead ends: 1113 [2020-12-09 06:04:35,435 INFO L226 Difference]: Without dead ends: 1113 [2020-12-09 06:04:35,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-09 06:04:35,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2020-12-09 06:04:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 800. [2020-12-09 06:04:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-12-09 06:04:35,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2051 transitions. [2020-12-09 06:04:35,445 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2051 transitions. Word has length 23 [2020-12-09 06:04:35,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:35,445 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 2051 transitions. [2020-12-09 06:04:35,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:04:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2051 transitions. [2020-12-09 06:04:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:35,446 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:35,446 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] [2020-12-09 06:04:35,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-09 06:04:35,447 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]=== [2020-12-09 06:04:35,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:35,447 INFO L82 PathProgramCache]: Analyzing trace with hash -189374773, now seen corresponding path program 1 times [2020-12-09 06:04:35,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:35,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548780527] [2020-12-09 06:04:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:35,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548780527] [2020-12-09 06:04:35,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:35,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:04:35,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180644685] [2020-12-09 06:04:35,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:04:35,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:35,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:04:35,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:04:35,487 INFO L87 Difference]: Start difference. First operand 800 states and 2051 transitions. Second operand 7 states. [2020-12-09 06:04:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:35,582 INFO L93 Difference]: Finished difference Result 869 states and 2295 transitions. [2020-12-09 06:04:35,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:35,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-09 06:04:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:35,584 INFO L225 Difference]: With dead ends: 869 [2020-12-09 06:04:35,584 INFO L226 Difference]: Without dead ends: 772 [2020-12-09 06:04:35,584 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 [2020-12-09 06:04:35,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-12-09 06:04:35,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 728. [2020-12-09 06:04:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-12-09 06:04:35,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1877 transitions. [2020-12-09 06:04:35,593 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1877 transitions. Word has length 28 [2020-12-09 06:04:35,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:35,593 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 1877 transitions. [2020-12-09 06:04:35,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:04:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1877 transitions. [2020-12-09 06:04:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:35,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:35,594 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] [2020-12-09 06:04:35,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-09 06:04:35,594 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]=== [2020-12-09 06:04:35,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:35,595 INFO L82 PathProgramCache]: Analyzing trace with hash 238014607, now seen corresponding path program 2 times [2020-12-09 06:04:35,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:35,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733927731] [2020-12-09 06:04:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:35,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733927731] [2020-12-09 06:04:35,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:35,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:04:35,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502195307] [2020-12-09 06:04:35,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:04:35,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:35,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:04:35,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:04:35,641 INFO L87 Difference]: Start difference. First operand 728 states and 1877 transitions. Second operand 7 states. [2020-12-09 06:04:35,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:35,768 INFO L93 Difference]: Finished difference Result 931 states and 2486 transitions. [2020-12-09 06:04:35,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:35,768 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-09 06:04:35,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:35,769 INFO L225 Difference]: With dead ends: 931 [2020-12-09 06:04:35,769 INFO L226 Difference]: Without dead ends: 742 [2020-12-09 06:04:35,769 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 [2020-12-09 06:04:35,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-12-09 06:04:35,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 636. [2020-12-09 06:04:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-12-09 06:04:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1637 transitions. [2020-12-09 06:04:35,776 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1637 transitions. Word has length 28 [2020-12-09 06:04:35,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:35,776 INFO L481 AbstractCegarLoop]: Abstraction has 636 states and 1637 transitions. [2020-12-09 06:04:35,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:04:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1637 transitions. [2020-12-09 06:04:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:35,777 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:35,777 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] [2020-12-09 06:04:35,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-09 06:04:35,778 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]=== [2020-12-09 06:04:35,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:35,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1406741151, now seen corresponding path program 1 times [2020-12-09 06:04:35,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:35,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498656021] [2020-12-09 06:04:35,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:35,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498656021] [2020-12-09 06:04:35,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:35,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 06:04:35,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368615227] [2020-12-09 06:04:35,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 06:04:35,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:35,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 06:04:35,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 06:04:35,809 INFO L87 Difference]: Start difference. First operand 636 states and 1637 transitions. Second operand 6 states. [2020-12-09 06:04:35,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:35,855 INFO L93 Difference]: Finished difference Result 746 states and 1867 transitions. [2020-12-09 06:04:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 06:04:35,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-12-09 06:04:35,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:35,856 INFO L225 Difference]: With dead ends: 746 [2020-12-09 06:04:35,856 INFO L226 Difference]: Without dead ends: 580 [2020-12-09 06:04:35,857 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 [2020-12-09 06:04:35,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-12-09 06:04:35,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-12-09 06:04:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-12-09 06:04:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 1464 transitions. [2020-12-09 06:04:35,863 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 1464 transitions. Word has length 28 [2020-12-09 06:04:35,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:35,863 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 1464 transitions. [2020-12-09 06:04:35,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 06:04:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1464 transitions. [2020-12-09 06:04:35,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:35,864 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:35,864 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] [2020-12-09 06:04:35,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-09 06:04:35,864 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]=== [2020-12-09 06:04:35,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:35,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1944117561, now seen corresponding path program 1 times [2020-12-09 06:04:35,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:35,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646400022] [2020-12-09 06:04:35,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:35,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646400022] [2020-12-09 06:04:35,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:35,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-09 06:04:35,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836417510] [2020-12-09 06:04:35,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 06:04:35,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:35,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 06:04:35,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-12-09 06:04:35,939 INFO L87 Difference]: Start difference. First operand 580 states and 1464 transitions. Second operand 12 states. [2020-12-09 06:04:36,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:36,398 INFO L93 Difference]: Finished difference Result 818 states and 2053 transitions. [2020-12-09 06:04:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-09 06:04:36,398 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2020-12-09 06:04:36,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:36,399 INFO L225 Difference]: With dead ends: 818 [2020-12-09 06:04:36,399 INFO L226 Difference]: Without dead ends: 639 [2020-12-09 06:04:36,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=303, Invalid=1179, Unknown=0, NotChecked=0, Total=1482 [2020-12-09 06:04:36,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-12-09 06:04:36,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 521. [2020-12-09 06:04:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-12-09 06:04:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 1319 transitions. [2020-12-09 06:04:36,405 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 1319 transitions. Word has length 28 [2020-12-09 06:04:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:36,406 INFO L481 AbstractCegarLoop]: Abstraction has 521 states and 1319 transitions. [2020-12-09 06:04:36,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 06:04:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1319 transitions. [2020-12-09 06:04:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:36,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:36,406 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] [2020-12-09 06:04:36,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-09 06:04:36,407 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]=== [2020-12-09 06:04:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:36,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2037838081, now seen corresponding path program 2 times [2020-12-09 06:04:36,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:36,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832255544] [2020-12-09 06:04:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:36,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832255544] [2020-12-09 06:04:36,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:36,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:04:36,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033226516] [2020-12-09 06:04:36,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:04:36,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:36,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:04:36,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:04:36,446 INFO L87 Difference]: Start difference. First operand 521 states and 1319 transitions. Second operand 7 states. [2020-12-09 06:04:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:36,526 INFO L93 Difference]: Finished difference Result 697 states and 1807 transitions. [2020-12-09 06:04:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:36,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-09 06:04:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:36,527 INFO L225 Difference]: With dead ends: 697 [2020-12-09 06:04:36,527 INFO L226 Difference]: Without dead ends: 535 [2020-12-09 06:04:36,527 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 [2020-12-09 06:04:36,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-12-09 06:04:36,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 455. [2020-12-09 06:04:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-12-09 06:04:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 1134 transitions. [2020-12-09 06:04:36,532 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 1134 transitions. Word has length 28 [2020-12-09 06:04:36,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:36,532 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 1134 transitions. [2020-12-09 06:04:36,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:04:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1134 transitions. [2020-12-09 06:04:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:36,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:36,533 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] [2020-12-09 06:04:36,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-09 06:04:36,533 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]=== [2020-12-09 06:04:36,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:36,534 INFO L82 PathProgramCache]: Analyzing trace with hash 720744039, now seen corresponding path program 3 times [2020-12-09 06:04:36,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:36,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322632990] [2020-12-09 06:04:36,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:36,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322632990] [2020-12-09 06:04:36,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:36,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:04:36,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692095057] [2020-12-09 06:04:36,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:04:36,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:36,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:04:36,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:04:36,578 INFO L87 Difference]: Start difference. First operand 455 states and 1134 transitions. Second operand 7 states. [2020-12-09 06:04:36,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:36,640 INFO L93 Difference]: Finished difference Result 515 states and 1276 transitions. [2020-12-09 06:04:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 06:04:36,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-09 06:04:36,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:36,641 INFO L225 Difference]: With dead ends: 515 [2020-12-09 06:04:36,641 INFO L226 Difference]: Without dead ends: 465 [2020-12-09 06:04:36,642 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 [2020-12-09 06:04:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-12-09 06:04:36,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 455. [2020-12-09 06:04:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-12-09 06:04:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 1132 transitions. [2020-12-09 06:04:36,646 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 1132 transitions. Word has length 28 [2020-12-09 06:04:36,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:36,646 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 1132 transitions. [2020-12-09 06:04:36,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:04:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1132 transitions. [2020-12-09 06:04:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:36,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:36,647 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] [2020-12-09 06:04:36,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-09 06:04:36,647 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]=== [2020-12-09 06:04:36,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:36,647 INFO L82 PathProgramCache]: Analyzing trace with hash -410751779, now seen corresponding path program 4 times [2020-12-09 06:04:36,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:36,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561921161] [2020-12-09 06:04:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:36,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561921161] [2020-12-09 06:04:36,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:36,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:04:36,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656194428] [2020-12-09 06:04:36,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:04:36,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:36,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:04:36,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:04:36,668 INFO L87 Difference]: Start difference. First operand 455 states and 1132 transitions. Second operand 4 states. [2020-12-09 06:04:36,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:36,692 INFO L93 Difference]: Finished difference Result 445 states and 1114 transitions. [2020-12-09 06:04:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:04:36,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-12-09 06:04:36,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:36,693 INFO L225 Difference]: With dead ends: 445 [2020-12-09 06:04:36,693 INFO L226 Difference]: Without dead ends: 383 [2020-12-09 06:04:36,693 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 [2020-12-09 06:04:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-12-09 06:04:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2020-12-09 06:04:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-12-09 06:04:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 912 transitions. [2020-12-09 06:04:36,697 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 912 transitions. Word has length 28 [2020-12-09 06:04:36,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:36,697 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 912 transitions. [2020-12-09 06:04:36,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:04:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 912 transitions. [2020-12-09 06:04:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:36,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:36,698 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] [2020-12-09 06:04:36,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-09 06:04:36,698 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]=== [2020-12-09 06:04:36,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:36,699 INFO L82 PathProgramCache]: Analyzing trace with hash 50623519, now seen corresponding path program 5 times [2020-12-09 06:04:36,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:36,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471413799] [2020-12-09 06:04:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:36,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471413799] [2020-12-09 06:04:36,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:36,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:04:36,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956637068] [2020-12-09 06:04:36,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:04:36,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:36,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:04:36,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:04:36,737 INFO L87 Difference]: Start difference. First operand 383 states and 912 transitions. Second operand 7 states. [2020-12-09 06:04:36,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:36,801 INFO L93 Difference]: Finished difference Result 359 states and 874 transitions. [2020-12-09 06:04:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:36,802 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-09 06:04:36,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:36,802 INFO L225 Difference]: With dead ends: 359 [2020-12-09 06:04:36,802 INFO L226 Difference]: Without dead ends: 241 [2020-12-09 06:04:36,802 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 [2020-12-09 06:04:36,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-12-09 06:04:36,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 229. [2020-12-09 06:04:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-12-09 06:04:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 559 transitions. [2020-12-09 06:04:36,805 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 559 transitions. Word has length 28 [2020-12-09 06:04:36,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:36,805 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 559 transitions. [2020-12-09 06:04:36,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:04:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 559 transitions. [2020-12-09 06:04:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:36,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:36,806 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] [2020-12-09 06:04:36,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-09 06:04:36,806 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]=== [2020-12-09 06:04:36,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:36,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2029147063, now seen corresponding path program 3 times [2020-12-09 06:04:36,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:36,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536935072] [2020-12-09 06:04:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:36,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536935072] [2020-12-09 06:04:36,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:36,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:04:36,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302869305] [2020-12-09 06:04:36,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:04:36,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:36,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:04:36,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:04:36,848 INFO L87 Difference]: Start difference. First operand 229 states and 559 transitions. Second operand 7 states. [2020-12-09 06:04:36,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:36,929 INFO L93 Difference]: Finished difference Result 308 states and 746 transitions. [2020-12-09 06:04:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:04:36,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-09 06:04:36,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:36,931 INFO L225 Difference]: With dead ends: 308 [2020-12-09 06:04:36,931 INFO L226 Difference]: Without dead ends: 235 [2020-12-09 06:04:36,931 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 [2020-12-09 06:04:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-12-09 06:04:36,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 185. [2020-12-09 06:04:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-09 06:04:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 441 transitions. [2020-12-09 06:04:36,935 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 441 transitions. Word has length 28 [2020-12-09 06:04:36,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:36,935 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 441 transitions. [2020-12-09 06:04:36,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:04:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 441 transitions. [2020-12-09 06:04:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:36,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:36,936 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] [2020-12-09 06:04:36,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-09 06:04:36,936 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]=== [2020-12-09 06:04:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:36,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1111973745, now seen corresponding path program 4 times [2020-12-09 06:04:36,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:36,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074210332] [2020-12-09 06:04:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:36,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074210332] [2020-12-09 06:04:36,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:36,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:04:36,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197631244] [2020-12-09 06:04:36,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:04:36,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:36,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:04:36,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:04:36,991 INFO L87 Difference]: Start difference. First operand 185 states and 441 transitions. Second operand 7 states. [2020-12-09 06:04:37,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:37,069 INFO L93 Difference]: Finished difference Result 247 states and 587 transitions. [2020-12-09 06:04:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 06:04:37,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-12-09 06:04:37,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:37,070 INFO L225 Difference]: With dead ends: 247 [2020-12-09 06:04:37,070 INFO L226 Difference]: Without dead ends: 182 [2020-12-09 06:04:37,071 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 [2020-12-09 06:04:37,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-09 06:04:37,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 172. [2020-12-09 06:04:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-12-09 06:04:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 410 transitions. [2020-12-09 06:04:37,074 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 410 transitions. Word has length 28 [2020-12-09 06:04:37,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:37,074 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 410 transitions. [2020-12-09 06:04:37,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:04:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 410 transitions. [2020-12-09 06:04:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 06:04:37,075 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:04:37,075 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] [2020-12-09 06:04:37,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-09 06:04:37,075 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]=== [2020-12-09 06:04:37,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:04:37,075 INFO L82 PathProgramCache]: Analyzing trace with hash 446894597, now seen corresponding path program 5 times [2020-12-09 06:04:37,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:04:37,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931892955] [2020-12-09 06:04:37,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:04:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:04:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:04:37,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931892955] [2020-12-09 06:04:37,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:04:37,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 06:04:37,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134237534] [2020-12-09 06:04:37,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:04:37,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:04:37,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:04:37,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:04:37,103 INFO L87 Difference]: Start difference. First operand 172 states and 410 transitions. Second operand 4 states. [2020-12-09 06:04:37,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:04:37,125 INFO L93 Difference]: Finished difference Result 110 states and 296 transitions. [2020-12-09 06:04:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:04:37,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-12-09 06:04:37,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:04:37,126 INFO L225 Difference]: With dead ends: 110 [2020-12-09 06:04:37,126 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 06:04:37,126 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 [2020-12-09 06:04:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 06:04:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 06:04:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 06:04:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 06:04:37,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-12-09 06:04:37,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:04:37,127 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 06:04:37,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:04:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 06:04:37,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 06:04:37,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-09 06:04:37,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:04:37 BasicIcfg [2020-12-09 06:04:37,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:04:37,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:04:37,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:04:37,131 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:04:37,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:04:21" (3/4) ... [2020-12-09 06:04:37,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 06:04:37,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure qrcu_reader1 [2020-12-09 06:04:37,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure qrcu_reader2 [2020-12-09 06:04:37,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure qrcu_updater [2020-12-09 06:04:37,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-09 06:04:37,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 06:04:37,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 06:04:37,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 06:04:37,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2c4f5f4e-7395-42a7-8c60-b95afda71b2c/bin/utaipan/witness.graphml [2020-12-09 06:04:37,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:04:37,169 INFO L168 Benchmark]: Toolchain (without parser) took 17036.40 ms. Allocated memory was 94.4 MB in the beginning and 826.3 MB in the end (delta: 731.9 MB). Free memory was 53.7 MB in the beginning and 693.9 MB in the end (delta: -640.2 MB). Peak memory consumption was 93.4 MB. Max. memory is 16.1 GB. [2020-12-09 06:04:37,169 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 71.3 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:04:37,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.24 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 44.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-12-09 06:04:37,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.09 ms. Allocated memory is still 94.4 MB. Free memory was 44.7 MB in the beginning and 72.0 MB in the end (delta: -27.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-09 06:04:37,170 INFO L168 Benchmark]: Boogie Preprocessor took 28.29 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 70.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:04:37,170 INFO L168 Benchmark]: RCFGBuilder took 788.63 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 70.5 MB in the beginning and 64.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2020-12-09 06:04:37,170 INFO L168 Benchmark]: TraceAbstraction took 15782.02 ms. Allocated memory was 113.2 MB in the beginning and 826.3 MB in the end (delta: 713.0 MB). Free memory was 64.0 MB in the beginning and 696.0 MB in the end (delta: -632.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 16.1 GB. [2020-12-09 06:04:37,170 INFO L168 Benchmark]: Witness Printer took 37.58 ms. Allocated memory is still 826.3 MB. Free memory was 696.0 MB in the beginning and 693.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:04:37,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 71.3 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 341.24 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 44.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.09 ms. Allocated memory is still 94.4 MB. Free memory was 44.7 MB in the beginning and 72.0 MB in the end (delta: -27.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.29 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 70.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 788.63 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 70.5 MB in the beginning and 64.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15782.02 ms. Allocated memory was 113.2 MB in the beginning and 826.3 MB in the end (delta: 713.0 MB). Free memory was 64.0 MB in the beginning and 696.0 MB in the end (delta: -632.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 16.1 GB. * Witness Printer took 37.58 ms. Allocated memory is still 826.3 MB. Free memory was 696.0 MB in the beginning and 693.9 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: 0.9s, 1035 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.6s, 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: 15.6s, OverallIterations: 35, TraceHistogramMax: 1, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 2827 SDtfs, 3648 SDslu, 6445 SDs, 0 SdLazy, 4987 SolverSat, 582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 42 SyntacticMatches, 6 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.5s 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: 1.5s AutomataMinimizationTime, 35 MinimizatonAttempts, 8404 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s 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...