/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 21:34:10,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 21:34:10,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 21:34:10,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 21:34:10,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 21:34:10,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 21:34:10,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 21:34:10,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 21:34:10,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 21:34:10,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 21:34:10,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 21:34:10,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 21:34:10,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 21:34:10,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 21:34:10,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 21:34:10,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 21:34:10,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 21:34:10,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 21:34:10,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 21:34:10,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 21:34:10,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 21:34:10,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 21:34:10,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 21:34:10,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 21:34:10,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 21:34:10,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 21:34:10,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 21:34:10,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 21:34:10,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 21:34:10,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 21:34:10,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 21:34:10,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 21:34:10,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 21:34:10,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 21:34:10,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 21:34:10,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 21:34:10,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 21:34:10,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 21:34:10,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 21:34:10,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 21:34:10,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 21:34:10,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 21:34:10,290 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 21:34:10,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 21:34:10,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 21:34:10,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 21:34:10,292 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 21:34:10,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 21:34:10,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 21:34:10,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 21:34:10,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 21:34:10,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 21:34:10,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 21:34:10,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 21:34:10,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 21:34:10,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 21:34:10,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 21:34:10,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 21:34:10,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 21:34:10,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 21:34:10,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 21:34:10,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 21:34:10,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 21:34:10,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:34:10,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 21:34:10,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 21:34:10,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 21:34:10,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 21:34:10,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 21:34:10,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 21:34:10,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 21:34:10,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 21:34:10,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 21:34:10,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 21:34:10,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 21:34:10,625 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 21:34:10,625 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 21:34:10,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-21 21:34:10,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0480eed6b/06a51f6689d747539d279cb5c4d46080/FLAG253a168ec [2020-10-21 21:34:11,225 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 21:34:11,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-21 21:34:11,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0480eed6b/06a51f6689d747539d279cb5c4d46080/FLAG253a168ec [2020-10-21 21:34:11,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0480eed6b/06a51f6689d747539d279cb5c4d46080 [2020-10-21 21:34:11,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 21:34:11,581 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 21:34:11,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 21:34:11,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 21:34:11,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 21:34:11,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:34:11" (1/1) ... [2020-10-21 21:34:11,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f3042e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:11, skipping insertion in model container [2020-10-21 21:34:11,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:34:11" (1/1) ... [2020-10-21 21:34:11,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 21:34:11,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 21:34:12,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:34:12,122 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 21:34:12,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:34:12,317 INFO L208 MainTranslator]: Completed translation [2020-10-21 21:34:12,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12 WrapperNode [2020-10-21 21:34:12,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 21:34:12,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 21:34:12,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 21:34:12,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 21:34:12,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 21:34:12,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 21:34:12,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 21:34:12,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 21:34:12,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... [2020-10-21 21:34:12,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 21:34:12,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 21:34:12,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 21:34:12,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 21:34:12,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:34:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-21 21:34:12,505 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-21 21:34:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-21 21:34:12,506 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-21 21:34:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 21:34:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 21:34:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-21 21:34:12,507 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-21 21:34:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 21:34:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 21:34:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 21:34:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 21:34:12,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 21:34:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 21:34:12,510 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 21:34:13,587 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 21:34:13,587 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-21 21:34:13,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:34:13 BoogieIcfgContainer [2020-10-21 21:34:13,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 21:34:13,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 21:34:13,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 21:34:13,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 21:34:13,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 09:34:11" (1/3) ... [2020-10-21 21:34:13,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2050864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:34:13, skipping insertion in model container [2020-10-21 21:34:13,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:34:12" (2/3) ... [2020-10-21 21:34:13,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2050864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:34:13, skipping insertion in model container [2020-10-21 21:34:13,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:34:13" (3/3) ... [2020-10-21 21:34:13,599 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-21 21:34:13,611 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 21:34:13,611 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 21:34:13,619 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 21:34:13,620 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 21:34:13,665 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,665 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,666 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,666 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,666 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,667 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,667 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,667 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,667 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,668 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,668 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,668 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,669 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,669 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,669 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,669 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,669 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,670 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,670 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,670 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,670 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,670 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,672 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,673 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,673 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,673 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,673 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,674 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,674 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,675 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,675 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,675 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,675 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,675 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,676 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,676 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,676 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,677 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,677 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,677 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,677 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,677 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,678 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,678 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,678 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,678 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,678 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,678 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,680 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,680 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,680 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,680 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,680 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,680 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,681 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,682 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,682 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,683 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,683 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,683 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,683 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,683 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,684 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,684 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,684 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,684 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,684 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,685 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,685 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,686 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,686 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,686 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,686 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,686 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,687 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,687 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,687 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,687 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,687 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,688 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,688 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,688 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,688 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,688 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,689 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,689 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,689 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,689 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,689 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,690 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,690 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,690 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,690 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,690 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,691 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,691 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,691 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,691 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,691 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,692 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,692 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,692 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,692 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,692 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,692 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,693 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,693 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,693 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,693 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,694 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,694 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,694 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,694 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,695 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,695 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,695 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,695 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,696 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,696 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,696 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,696 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,697 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,697 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,697 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,697 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,697 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,697 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,698 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,698 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,698 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,698 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,698 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,699 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,699 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,699 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,699 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,699 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,699 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,700 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,700 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,700 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,700 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,700 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,701 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,701 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,701 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,701 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,701 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,701 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,702 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,702 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,702 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,702 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,702 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,703 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,703 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,703 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,703 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,703 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,704 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,704 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,704 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,704 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,704 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,705 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,705 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,705 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,705 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,705 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,709 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,709 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,709 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,709 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,710 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,710 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,710 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,710 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,710 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,710 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,711 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,711 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,711 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,711 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,711 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,712 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,712 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,712 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,712 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,716 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,716 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,716 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,716 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,717 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,717 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,717 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,717 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,717 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,718 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,718 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,718 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,718 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,718 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,719 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,719 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,719 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,719 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,719 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,721 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,721 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,721 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,722 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,722 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,722 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,722 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,722 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,723 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,723 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,723 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,723 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,723 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,723 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,724 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,724 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,724 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,724 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,724 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,725 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,725 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,725 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,725 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,725 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,726 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,726 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,726 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,726 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,726 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,726 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,727 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,727 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,727 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,727 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,727 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,728 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,728 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:34:13,741 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-10-21 21:34:13,755 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 21:34:13,772 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:34:13,772 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:34:13,772 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:34:13,773 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:34:13,773 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:34:13,773 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:34:13,773 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:34:13,773 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:34:13,789 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:34:13,792 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 175 transitions, 392 flow [2020-10-21 21:34:13,795 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 175 transitions, 392 flow [2020-10-21 21:34:13,796 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 161 places, 175 transitions, 392 flow [2020-10-21 21:34:13,872 INFO L129 PetriNetUnfolder]: 23/183 cut-off events. [2020-10-21 21:34:13,872 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-21 21:34:13,880 INFO L80 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 448 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. [2020-10-21 21:34:13,891 INFO L116 LiptonReduction]: Number of co-enabled transitions 10120 [2020-10-21 21:34:14,205 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-10-21 21:34:14,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:34:14,220 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-10-21 21:34:14,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:34:17,699 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 15, 1] term [2020-10-21 21:34:17,705 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:34:17,720 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 15, 1] term [2020-10-21 21:34:17,720 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:34:18,273 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-10-21 21:34:18,888 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2020-10-21 21:34:19,111 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-21 21:34:19,148 INFO L131 LiptonReduction]: Checked pairs total: 25813 [2020-10-21 21:34:19,149 INFO L133 LiptonReduction]: Total number of compositions: 129 [2020-10-21 21:34:19,156 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 73 transitions, 188 flow [2020-10-21 21:34:19,408 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4024 states. [2020-10-21 21:34:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states. [2020-10-21 21:34:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 21:34:19,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:19,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:19,433 INFO L429 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:19,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:19,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1473389135, now seen corresponding path program 1 times [2020-10-21 21:34:19,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:19,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980547605] [2020-10-21 21:34:19,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:19,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980547605] [2020-10-21 21:34:19,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:19,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:34:19,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312742379] [2020-10-21 21:34:19,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:34:19,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:19,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:34:19,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:34:19,781 INFO L87 Difference]: Start difference. First operand 4024 states. Second operand 3 states. [2020-10-21 21:34:19,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:19,904 INFO L93 Difference]: Finished difference Result 5040 states and 18204 transitions. [2020-10-21 21:34:19,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:34:19,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 21:34:19,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:19,966 INFO L225 Difference]: With dead ends: 5040 [2020-10-21 21:34:19,966 INFO L226 Difference]: Without dead ends: 4288 [2020-10-21 21:34:19,968 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 [2020-10-21 21:34:20,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2020-10-21 21:34:20,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 3808. [2020-10-21 21:34:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3808 states. [2020-10-21 21:34:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 14333 transitions. [2020-10-21 21:34:20,226 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 14333 transitions. Word has length 12 [2020-10-21 21:34:20,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:20,228 INFO L481 AbstractCegarLoop]: Abstraction has 3808 states and 14333 transitions. [2020-10-21 21:34:20,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:34:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 14333 transitions. [2020-10-21 21:34:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 21:34:20,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:20,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:20,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 21:34:20,234 INFO L429 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:20,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:20,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1564352557, now seen corresponding path program 1 times [2020-10-21 21:34:20,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:20,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780705986] [2020-10-21 21:34:20,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:20,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780705986] [2020-10-21 21:34:20,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:20,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 21:34:20,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536668771] [2020-10-21 21:34:20,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:34:20,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:20,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:34:20,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:34:20,386 INFO L87 Difference]: Start difference. First operand 3808 states and 14333 transitions. Second operand 3 states. [2020-10-21 21:34:20,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:20,453 INFO L93 Difference]: Finished difference Result 3723 states and 14009 transitions. [2020-10-21 21:34:20,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:34:20,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-21 21:34:20,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:20,488 INFO L225 Difference]: With dead ends: 3723 [2020-10-21 21:34:20,488 INFO L226 Difference]: Without dead ends: 3723 [2020-10-21 21:34:20,489 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 [2020-10-21 21:34:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2020-10-21 21:34:20,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3723. [2020-10-21 21:34:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3723 states. [2020-10-21 21:34:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 14009 transitions. [2020-10-21 21:34:20,624 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 14009 transitions. Word has length 13 [2020-10-21 21:34:20,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:20,624 INFO L481 AbstractCegarLoop]: Abstraction has 3723 states and 14009 transitions. [2020-10-21 21:34:20,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:34:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 14009 transitions. [2020-10-21 21:34:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 21:34:20,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:20,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:20,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 21:34:20,628 INFO L429 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:20,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:20,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1564352693, now seen corresponding path program 1 times [2020-10-21 21:34:20,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:20,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342848864] [2020-10-21 21:34:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:20,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342848864] [2020-10-21 21:34:20,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:20,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 21:34:20,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255555140] [2020-10-21 21:34:20,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:34:20,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:20,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:34:20,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:34:20,698 INFO L87 Difference]: Start difference. First operand 3723 states and 14009 transitions. Second operand 3 states. [2020-10-21 21:34:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:20,748 INFO L93 Difference]: Finished difference Result 3647 states and 13722 transitions. [2020-10-21 21:34:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:34:20,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-21 21:34:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:20,781 INFO L225 Difference]: With dead ends: 3647 [2020-10-21 21:34:20,781 INFO L226 Difference]: Without dead ends: 3647 [2020-10-21 21:34:20,782 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 [2020-10-21 21:34:20,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3647 states. [2020-10-21 21:34:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3647 to 3647. [2020-10-21 21:34:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3647 states. [2020-10-21 21:34:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3647 states and 13722 transitions. [2020-10-21 21:34:20,977 INFO L78 Accepts]: Start accepts. Automaton has 3647 states and 13722 transitions. Word has length 13 [2020-10-21 21:34:20,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:20,978 INFO L481 AbstractCegarLoop]: Abstraction has 3647 states and 13722 transitions. [2020-10-21 21:34:20,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:34:20,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3647 states and 13722 transitions. [2020-10-21 21:34:20,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 21:34:20,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:20,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:20,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 21:34:20,983 INFO L429 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:20,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:20,984 INFO L82 PathProgramCache]: Analyzing trace with hash 814954117, now seen corresponding path program 1 times [2020-10-21 21:34:20,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:20,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093528443] [2020-10-21 21:34:20,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:21,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093528443] [2020-10-21 21:34:21,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:21,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 21:34:21,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831148330] [2020-10-21 21:34:21,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:34:21,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:21,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:34:21,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:34:21,072 INFO L87 Difference]: Start difference. First operand 3647 states and 13722 transitions. Second operand 6 states. [2020-10-21 21:34:21,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:21,565 INFO L93 Difference]: Finished difference Result 6032 states and 22395 transitions. [2020-10-21 21:34:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-21 21:34:21,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-21 21:34:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:21,601 INFO L225 Difference]: With dead ends: 6032 [2020-10-21 21:34:21,601 INFO L226 Difference]: Without dead ends: 6032 [2020-10-21 21:34:21,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-21 21:34:21,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6032 states. [2020-10-21 21:34:21,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6032 to 3921. [2020-10-21 21:34:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3921 states. [2020-10-21 21:34:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3921 states to 3921 states and 14610 transitions. [2020-10-21 21:34:21,755 INFO L78 Accepts]: Start accepts. Automaton has 3921 states and 14610 transitions. Word has length 17 [2020-10-21 21:34:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:21,755 INFO L481 AbstractCegarLoop]: Abstraction has 3921 states and 14610 transitions. [2020-10-21 21:34:21,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:34:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3921 states and 14610 transitions. [2020-10-21 21:34:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 21:34:21,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:21,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:21,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 21:34:21,761 INFO L429 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:21,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:21,762 INFO L82 PathProgramCache]: Analyzing trace with hash 957264763, now seen corresponding path program 1 times [2020-10-21 21:34:21,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:21,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738087687] [2020-10-21 21:34:21,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:21,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738087687] [2020-10-21 21:34:21,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:21,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 21:34:21,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293450275] [2020-10-21 21:34:21,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:34:21,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:21,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:34:21,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:34:21,827 INFO L87 Difference]: Start difference. First operand 3921 states and 14610 transitions. Second operand 6 states. [2020-10-21 21:34:22,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:22,201 INFO L93 Difference]: Finished difference Result 6000 states and 22001 transitions. [2020-10-21 21:34:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-21 21:34:22,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-21 21:34:22,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:22,331 INFO L225 Difference]: With dead ends: 6000 [2020-10-21 21:34:22,331 INFO L226 Difference]: Without dead ends: 6000 [2020-10-21 21:34:22,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-21 21:34:22,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6000 states. [2020-10-21 21:34:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6000 to 4041. [2020-10-21 21:34:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4041 states. [2020-10-21 21:34:22,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 4041 states and 15066 transitions. [2020-10-21 21:34:22,478 INFO L78 Accepts]: Start accepts. Automaton has 4041 states and 15066 transitions. Word has length 17 [2020-10-21 21:34:22,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:22,479 INFO L481 AbstractCegarLoop]: Abstraction has 4041 states and 15066 transitions. [2020-10-21 21:34:22,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:34:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 15066 transitions. [2020-10-21 21:34:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 21:34:22,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:22,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:22,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 21:34:22,485 INFO L429 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:22,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:22,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1794975697, now seen corresponding path program 2 times [2020-10-21 21:34:22,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:22,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051943043] [2020-10-21 21:34:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:22,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051943043] [2020-10-21 21:34:22,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:22,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 21:34:22,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993388176] [2020-10-21 21:34:22,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:34:22,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:22,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:34:22,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:34:22,544 INFO L87 Difference]: Start difference. First operand 4041 states and 15066 transitions. Second operand 6 states. [2020-10-21 21:34:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:22,736 INFO L93 Difference]: Finished difference Result 4750 states and 17498 transitions. [2020-10-21 21:34:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 21:34:22,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-21 21:34:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:22,758 INFO L225 Difference]: With dead ends: 4750 [2020-10-21 21:34:22,758 INFO L226 Difference]: Without dead ends: 4750 [2020-10-21 21:34:22,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-21 21:34:22,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4750 states. [2020-10-21 21:34:22,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4750 to 3921. [2020-10-21 21:34:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3921 states. [2020-10-21 21:34:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3921 states to 3921 states and 14610 transitions. [2020-10-21 21:34:22,890 INFO L78 Accepts]: Start accepts. Automaton has 3921 states and 14610 transitions. Word has length 17 [2020-10-21 21:34:22,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:22,890 INFO L481 AbstractCegarLoop]: Abstraction has 3921 states and 14610 transitions. [2020-10-21 21:34:22,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:34:22,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3921 states and 14610 transitions. [2020-10-21 21:34:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 21:34:22,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:22,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:22,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 21:34:22,896 INFO L429 AbstractCegarLoop]: === Iteration 7 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:22,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1643935327, now seen corresponding path program 3 times [2020-10-21 21:34:22,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:22,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089386600] [2020-10-21 21:34:22,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:22,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089386600] [2020-10-21 21:34:22,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:22,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:34:22,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285561194] [2020-10-21 21:34:22,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 21:34:22,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:22,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 21:34:22,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:34:22,977 INFO L87 Difference]: Start difference. First operand 3921 states and 14610 transitions. Second operand 5 states. [2020-10-21 21:34:23,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:23,113 INFO L93 Difference]: Finished difference Result 5612 states and 20396 transitions. [2020-10-21 21:34:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 21:34:23,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-21 21:34:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:23,134 INFO L225 Difference]: With dead ends: 5612 [2020-10-21 21:34:23,134 INFO L226 Difference]: Without dead ends: 5612 [2020-10-21 21:34:23,135 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 [2020-10-21 21:34:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2020-10-21 21:34:23,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 5573. [2020-10-21 21:34:23,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5573 states. [2020-10-21 21:34:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 20329 transitions. [2020-10-21 21:34:23,757 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 20329 transitions. Word has length 17 [2020-10-21 21:34:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:23,758 INFO L481 AbstractCegarLoop]: Abstraction has 5573 states and 20329 transitions. [2020-10-21 21:34:23,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 21:34:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 20329 transitions. [2020-10-21 21:34:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 21:34:23,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:23,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:23,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 21:34:23,768 INFO L429 AbstractCegarLoop]: === Iteration 8 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:23,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:23,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1724789375, now seen corresponding path program 1 times [2020-10-21 21:34:23,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:23,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384825000] [2020-10-21 21:34:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:23,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384825000] [2020-10-21 21:34:23,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:23,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:34:23,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151661865] [2020-10-21 21:34:23,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 21:34:23,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:23,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 21:34:23,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 21:34:23,831 INFO L87 Difference]: Start difference. First operand 5573 states and 20329 transitions. Second operand 4 states. [2020-10-21 21:34:23,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:23,923 INFO L93 Difference]: Finished difference Result 7878 states and 27748 transitions. [2020-10-21 21:34:23,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 21:34:23,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-21 21:34:23,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:23,937 INFO L225 Difference]: With dead ends: 7878 [2020-10-21 21:34:23,937 INFO L226 Difference]: Without dead ends: 4404 [2020-10-21 21:34:23,938 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 [2020-10-21 21:34:23,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2020-10-21 21:34:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4365. [2020-10-21 21:34:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4365 states. [2020-10-21 21:34:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 4365 states and 14441 transitions. [2020-10-21 21:34:24,044 INFO L78 Accepts]: Start accepts. Automaton has 4365 states and 14441 transitions. Word has length 17 [2020-10-21 21:34:24,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:24,045 INFO L481 AbstractCegarLoop]: Abstraction has 4365 states and 14441 transitions. [2020-10-21 21:34:24,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 21:34:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4365 states and 14441 transitions. [2020-10-21 21:34:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 21:34:24,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:24,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:24,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 21:34:24,049 INFO L429 AbstractCegarLoop]: === Iteration 9 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:24,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:24,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1290451073, now seen corresponding path program 1 times [2020-10-21 21:34:24,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:24,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504088522] [2020-10-21 21:34:24,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:24,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504088522] [2020-10-21 21:34:24,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:24,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:34:24,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690149193] [2020-10-21 21:34:24,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:34:24,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:24,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:34:24,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:34:24,094 INFO L87 Difference]: Start difference. First operand 4365 states and 14441 transitions. Second operand 3 states. [2020-10-21 21:34:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:24,122 INFO L93 Difference]: Finished difference Result 4365 states and 14346 transitions. [2020-10-21 21:34:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:34:24,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-21 21:34:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:24,133 INFO L225 Difference]: With dead ends: 4365 [2020-10-21 21:34:24,133 INFO L226 Difference]: Without dead ends: 3056 [2020-10-21 21:34:24,133 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 [2020-10-21 21:34:24,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2020-10-21 21:34:24,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2442. [2020-10-21 21:34:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2442 states. [2020-10-21 21:34:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2442 states and 7743 transitions. [2020-10-21 21:34:24,194 INFO L78 Accepts]: Start accepts. Automaton has 2442 states and 7743 transitions. Word has length 19 [2020-10-21 21:34:24,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:24,195 INFO L481 AbstractCegarLoop]: Abstraction has 2442 states and 7743 transitions. [2020-10-21 21:34:24,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:34:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 7743 transitions. [2020-10-21 21:34:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 21:34:24,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:24,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:34:24,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 21:34:24,200 INFO L429 AbstractCegarLoop]: === Iteration 10 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:24,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:24,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1925760575, now seen corresponding path program 1 times [2020-10-21 21:34:24,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:24,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656216710] [2020-10-21 21:34:24,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:24,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656216710] [2020-10-21 21:34:24,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:24,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:34:24,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406112347] [2020-10-21 21:34:24,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:34:24,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:24,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:34:24,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:34:24,231 INFO L87 Difference]: Start difference. First operand 2442 states and 7743 transitions. Second operand 3 states. [2020-10-21 21:34:24,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:24,255 INFO L93 Difference]: Finished difference Result 2442 states and 7678 transitions. [2020-10-21 21:34:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:34:24,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-21 21:34:24,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:24,261 INFO L225 Difference]: With dead ends: 2442 [2020-10-21 21:34:24,261 INFO L226 Difference]: Without dead ends: 1241 [2020-10-21 21:34:24,262 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 [2020-10-21 21:34:24,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-10-21 21:34:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1102. [2020-10-21 21:34:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1102 states. [2020-10-21 21:34:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 2989 transitions. [2020-10-21 21:34:24,293 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 2989 transitions. Word has length 19 [2020-10-21 21:34:24,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:24,293 INFO L481 AbstractCegarLoop]: Abstraction has 1102 states and 2989 transitions. [2020-10-21 21:34:24,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:34:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 2989 transitions. [2020-10-21 21:34:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 21:34:24,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:24,297 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] [2020-10-21 21:34:24,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 21:34:24,298 INFO L429 AbstractCegarLoop]: === Iteration 11 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:24,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:24,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1194818003, now seen corresponding path program 1 times [2020-10-21 21:34:24,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:24,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621078520] [2020-10-21 21:34:24,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:24,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621078520] [2020-10-21 21:34:24,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:24,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:34:24,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781651048] [2020-10-21 21:34:24,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:34:24,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:24,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:34:24,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:34:24,345 INFO L87 Difference]: Start difference. First operand 1102 states and 2989 transitions. Second operand 3 states. [2020-10-21 21:34:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:24,377 INFO L93 Difference]: Finished difference Result 1375 states and 3649 transitions. [2020-10-21 21:34:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:34:24,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-21 21:34:24,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:24,382 INFO L225 Difference]: With dead ends: 1375 [2020-10-21 21:34:24,382 INFO L226 Difference]: Without dead ends: 1375 [2020-10-21 21:34:24,383 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 [2020-10-21 21:34:24,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2020-10-21 21:34:24,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1140. [2020-10-21 21:34:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states. [2020-10-21 21:34:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 3085 transitions. [2020-10-21 21:34:24,409 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 3085 transitions. Word has length 22 [2020-10-21 21:34:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:24,409 INFO L481 AbstractCegarLoop]: Abstraction has 1140 states and 3085 transitions. [2020-10-21 21:34:24,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:34:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3085 transitions. [2020-10-21 21:34:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 21:34:24,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:24,412 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] [2020-10-21 21:34:24,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 21:34:24,413 INFO L429 AbstractCegarLoop]: === Iteration 12 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:24,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:24,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1194817011, now seen corresponding path program 1 times [2020-10-21 21:34:24,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:24,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983587260] [2020-10-21 21:34:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:24,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983587260] [2020-10-21 21:34:24,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:24,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 21:34:24,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393719234] [2020-10-21 21:34:24,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:34:24,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:24,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:34:24,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:34:24,460 INFO L87 Difference]: Start difference. First operand 1140 states and 3085 transitions. Second operand 6 states. [2020-10-21 21:34:24,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:24,608 INFO L93 Difference]: Finished difference Result 1509 states and 3809 transitions. [2020-10-21 21:34:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 21:34:24,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-21 21:34:24,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:24,612 INFO L225 Difference]: With dead ends: 1509 [2020-10-21 21:34:24,612 INFO L226 Difference]: Without dead ends: 1444 [2020-10-21 21:34:24,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-21 21:34:24,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2020-10-21 21:34:24,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1228. [2020-10-21 21:34:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1228 states. [2020-10-21 21:34:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 3254 transitions. [2020-10-21 21:34:24,639 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 3254 transitions. Word has length 22 [2020-10-21 21:34:24,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:24,639 INFO L481 AbstractCegarLoop]: Abstraction has 1228 states and 3254 transitions. [2020-10-21 21:34:24,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:34:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 3254 transitions. [2020-10-21 21:34:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 21:34:24,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:24,643 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] [2020-10-21 21:34:24,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 21:34:24,643 INFO L429 AbstractCegarLoop]: === Iteration 13 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:24,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:24,644 INFO L82 PathProgramCache]: Analyzing trace with hash 779557775, now seen corresponding path program 1 times [2020-10-21 21:34:24,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:24,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248220848] [2020-10-21 21:34:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:24,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248220848] [2020-10-21 21:34:24,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:24,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:34:24,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381932899] [2020-10-21 21:34:24,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:34:24,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:24,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:34:24,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:34:24,699 INFO L87 Difference]: Start difference. First operand 1228 states and 3254 transitions. Second operand 3 states. [2020-10-21 21:34:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:24,721 INFO L93 Difference]: Finished difference Result 873 states and 2147 transitions. [2020-10-21 21:34:24,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:34:24,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-21 21:34:24,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:24,725 INFO L225 Difference]: With dead ends: 873 [2020-10-21 21:34:24,725 INFO L226 Difference]: Without dead ends: 868 [2020-10-21 21:34:24,726 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 [2020-10-21 21:34:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-21 21:34:24,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 816. [2020-10-21 21:34:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-10-21 21:34:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 2062 transitions. [2020-10-21 21:34:24,796 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 2062 transitions. Word has length 22 [2020-10-21 21:34:24,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:24,797 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 2062 transitions. [2020-10-21 21:34:24,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:34:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 2062 transitions. [2020-10-21 21:34:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 21:34:24,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:24,800 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] [2020-10-21 21:34:24,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 21:34:24,802 INFO L429 AbstractCegarLoop]: === Iteration 14 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:24,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:24,802 INFO L82 PathProgramCache]: Analyzing trace with hash 743310079, now seen corresponding path program 1 times [2020-10-21 21:34:24,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:24,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759091435] [2020-10-21 21:34:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:24,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759091435] [2020-10-21 21:34:24,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:24,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 21:34:24,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472836552] [2020-10-21 21:34:24,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 21:34:24,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:24,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 21:34:24,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-21 21:34:24,903 INFO L87 Difference]: Start difference. First operand 816 states and 2062 transitions. Second operand 9 states. [2020-10-21 21:34:25,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:25,431 INFO L93 Difference]: Finished difference Result 1046 states and 2593 transitions. [2020-10-21 21:34:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-21 21:34:25,431 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-21 21:34:25,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:25,433 INFO L225 Difference]: With dead ends: 1046 [2020-10-21 21:34:25,433 INFO L226 Difference]: Without dead ends: 1035 [2020-10-21 21:34:25,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-21 21:34:25,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-10-21 21:34:25,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 785. [2020-10-21 21:34:25,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2020-10-21 21:34:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1986 transitions. [2020-10-21 21:34:25,450 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1986 transitions. Word has length 23 [2020-10-21 21:34:25,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:25,450 INFO L481 AbstractCegarLoop]: Abstraction has 785 states and 1986 transitions. [2020-10-21 21:34:25,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 21:34:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1986 transitions. [2020-10-21 21:34:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 21:34:25,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:25,453 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] [2020-10-21 21:34:25,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 21:34:25,453 INFO L429 AbstractCegarLoop]: === Iteration 15 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:25,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1176879653, now seen corresponding path program 2 times [2020-10-21 21:34:25,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:25,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857787684] [2020-10-21 21:34:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:25,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857787684] [2020-10-21 21:34:25,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:25,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 21:34:25,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317425267] [2020-10-21 21:34:25,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 21:34:25,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:25,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 21:34:25,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-21 21:34:25,552 INFO L87 Difference]: Start difference. First operand 785 states and 1986 transitions. Second operand 9 states. [2020-10-21 21:34:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:26,088 INFO L93 Difference]: Finished difference Result 1362 states and 3364 transitions. [2020-10-21 21:34:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-21 21:34:26,089 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-21 21:34:26,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:26,095 INFO L225 Difference]: With dead ends: 1362 [2020-10-21 21:34:26,095 INFO L226 Difference]: Without dead ends: 1362 [2020-10-21 21:34:26,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-10-21 21:34:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-10-21 21:34:26,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 952. [2020-10-21 21:34:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2020-10-21 21:34:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 2410 transitions. [2020-10-21 21:34:26,131 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 2410 transitions. Word has length 23 [2020-10-21 21:34:26,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:26,132 INFO L481 AbstractCegarLoop]: Abstraction has 952 states and 2410 transitions. [2020-10-21 21:34:26,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 21:34:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 2410 transitions. [2020-10-21 21:34:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 21:34:26,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:26,134 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] [2020-10-21 21:34:26,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-21 21:34:26,135 INFO L429 AbstractCegarLoop]: === Iteration 16 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:26,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:26,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1034569007, now seen corresponding path program 1 times [2020-10-21 21:34:26,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:26,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389709845] [2020-10-21 21:34:26,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:26,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389709845] [2020-10-21 21:34:26,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:26,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 21:34:26,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909961205] [2020-10-21 21:34:26,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 21:34:26,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:26,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 21:34:26,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-21 21:34:26,262 INFO L87 Difference]: Start difference. First operand 952 states and 2410 transitions. Second operand 9 states. [2020-10-21 21:34:26,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:26,758 INFO L93 Difference]: Finished difference Result 1305 states and 3241 transitions. [2020-10-21 21:34:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 21:34:26,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-21 21:34:26,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:26,761 INFO L225 Difference]: With dead ends: 1305 [2020-10-21 21:34:26,761 INFO L226 Difference]: Without dead ends: 1305 [2020-10-21 21:34:26,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-21 21:34:26,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2020-10-21 21:34:26,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 943. [2020-10-21 21:34:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2020-10-21 21:34:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 2390 transitions. [2020-10-21 21:34:26,781 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 2390 transitions. Word has length 23 [2020-10-21 21:34:26,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:26,782 INFO L481 AbstractCegarLoop]: Abstraction has 943 states and 2390 transitions. [2020-10-21 21:34:26,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 21:34:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 2390 transitions. [2020-10-21 21:34:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 21:34:26,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:26,784 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] [2020-10-21 21:34:26,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-21 21:34:26,784 INFO L429 AbstractCegarLoop]: === Iteration 17 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:26,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:26,785 INFO L82 PathProgramCache]: Analyzing trace with hash 299417011, now seen corresponding path program 1 times [2020-10-21 21:34:26,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:26,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451437431] [2020-10-21 21:34:26,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:26,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451437431] [2020-10-21 21:34:26,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:26,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-21 21:34:26,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524610842] [2020-10-21 21:34:26,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 21:34:26,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:26,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 21:34:26,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:34:26,871 INFO L87 Difference]: Start difference. First operand 943 states and 2390 transitions. Second operand 8 states. [2020-10-21 21:34:27,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:27,325 INFO L93 Difference]: Finished difference Result 1115 states and 2793 transitions. [2020-10-21 21:34:27,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-21 21:34:27,326 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-21 21:34:27,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:27,328 INFO L225 Difference]: With dead ends: 1115 [2020-10-21 21:34:27,328 INFO L226 Difference]: Without dead ends: 1115 [2020-10-21 21:34:27,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-21 21:34:27,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2020-10-21 21:34:27,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 930. [2020-10-21 21:34:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2020-10-21 21:34:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 2359 transitions. [2020-10-21 21:34:27,348 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 2359 transitions. Word has length 23 [2020-10-21 21:34:27,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:27,350 INFO L481 AbstractCegarLoop]: Abstraction has 930 states and 2359 transitions. [2020-10-21 21:34:27,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 21:34:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 2359 transitions. [2020-10-21 21:34:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 21:34:27,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:27,353 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] [2020-10-21 21:34:27,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-21 21:34:27,353 INFO L429 AbstractCegarLoop]: === Iteration 18 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:27,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:27,354 INFO L82 PathProgramCache]: Analyzing trace with hash -118446733, now seen corresponding path program 2 times [2020-10-21 21:34:27,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:27,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645503522] [2020-10-21 21:34:27,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:27,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:27,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645503522] [2020-10-21 21:34:27,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:27,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 21:34:27,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019265889] [2020-10-21 21:34:27,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 21:34:27,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:27,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 21:34:27,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-21 21:34:27,511 INFO L87 Difference]: Start difference. First operand 930 states and 2359 transitions. Second operand 9 states. [2020-10-21 21:34:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:28,184 INFO L93 Difference]: Finished difference Result 1549 states and 3865 transitions. [2020-10-21 21:34:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-21 21:34:28,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-21 21:34:28,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:28,186 INFO L225 Difference]: With dead ends: 1549 [2020-10-21 21:34:28,186 INFO L226 Difference]: Without dead ends: 1549 [2020-10-21 21:34:28,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-10-21 21:34:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2020-10-21 21:34:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 852. [2020-10-21 21:34:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-10-21 21:34:28,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 2176 transitions. [2020-10-21 21:34:28,204 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 2176 transitions. Word has length 23 [2020-10-21 21:34:28,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:28,205 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 2176 transitions. [2020-10-21 21:34:28,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 21:34:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2176 transitions. [2020-10-21 21:34:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 21:34:28,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:28,207 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] [2020-10-21 21:34:28,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-21 21:34:28,207 INFO L429 AbstractCegarLoop]: === Iteration 19 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:28,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:28,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1509546981, now seen corresponding path program 2 times [2020-10-21 21:34:28,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:28,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667293986] [2020-10-21 21:34:28,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:28,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667293986] [2020-10-21 21:34:28,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:28,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 21:34:28,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809254590] [2020-10-21 21:34:28,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 21:34:28,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:28,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 21:34:28,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-21 21:34:28,305 INFO L87 Difference]: Start difference. First operand 852 states and 2176 transitions. Second operand 9 states. [2020-10-21 21:34:28,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:28,823 INFO L93 Difference]: Finished difference Result 1216 states and 3047 transitions. [2020-10-21 21:34:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-21 21:34:28,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-21 21:34:28,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:28,826 INFO L225 Difference]: With dead ends: 1216 [2020-10-21 21:34:28,826 INFO L226 Difference]: Without dead ends: 1216 [2020-10-21 21:34:28,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-10-21 21:34:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-10-21 21:34:28,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 756. [2020-10-21 21:34:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-10-21 21:34:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1920 transitions. [2020-10-21 21:34:28,843 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1920 transitions. Word has length 23 [2020-10-21 21:34:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:28,843 INFO L481 AbstractCegarLoop]: Abstraction has 756 states and 1920 transitions. [2020-10-21 21:34:28,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 21:34:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1920 transitions. [2020-10-21 21:34:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 21:34:28,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:28,845 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] [2020-10-21 21:34:28,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-21 21:34:28,845 INFO L429 AbstractCegarLoop]: === Iteration 20 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:28,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:28,846 INFO L82 PathProgramCache]: Analyzing trace with hash 101279203, now seen corresponding path program 1 times [2020-10-21 21:34:28,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:28,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709684215] [2020-10-21 21:34:28,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:28,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709684215] [2020-10-21 21:34:28,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:28,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-21 21:34:28,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458976371] [2020-10-21 21:34:28,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 21:34:28,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:28,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 21:34:28,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:34:28,914 INFO L87 Difference]: Start difference. First operand 756 states and 1920 transitions. Second operand 8 states. [2020-10-21 21:34:29,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:29,177 INFO L93 Difference]: Finished difference Result 924 states and 2339 transitions. [2020-10-21 21:34:29,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 21:34:29,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-21 21:34:29,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:29,180 INFO L225 Difference]: With dead ends: 924 [2020-10-21 21:34:29,180 INFO L226 Difference]: Without dead ends: 702 [2020-10-21 21:34:29,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-10-21 21:34:29,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-10-21 21:34:29,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 577. [2020-10-21 21:34:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-10-21 21:34:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 1439 transitions. [2020-10-21 21:34:29,195 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 1439 transitions. Word has length 28 [2020-10-21 21:34:29,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:29,195 INFO L481 AbstractCegarLoop]: Abstraction has 577 states and 1439 transitions. [2020-10-21 21:34:29,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 21:34:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1439 transitions. [2020-10-21 21:34:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 21:34:29,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:29,197 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] [2020-10-21 21:34:29,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-21 21:34:29,198 INFO L429 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:29,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:29,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1300244385, now seen corresponding path program 1 times [2020-10-21 21:34:29,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:29,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293301974] [2020-10-21 21:34:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:29,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293301974] [2020-10-21 21:34:29,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:29,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-21 21:34:29,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971480690] [2020-10-21 21:34:29,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 21:34:29,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:29,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 21:34:29,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:34:29,314 INFO L87 Difference]: Start difference. First operand 577 states and 1439 transitions. Second operand 8 states. [2020-10-21 21:34:29,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:29,653 INFO L93 Difference]: Finished difference Result 679 states and 1758 transitions. [2020-10-21 21:34:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-21 21:34:29,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-21 21:34:29,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:29,655 INFO L225 Difference]: With dead ends: 679 [2020-10-21 21:34:29,655 INFO L226 Difference]: Without dead ends: 383 [2020-10-21 21:34:29,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-21 21:34:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-10-21 21:34:29,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 341. [2020-10-21 21:34:29,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-21 21:34:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 817 transitions. [2020-10-21 21:34:29,667 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 817 transitions. Word has length 28 [2020-10-21 21:34:29,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:29,668 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 817 transitions. [2020-10-21 21:34:29,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 21:34:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 817 transitions. [2020-10-21 21:34:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 21:34:29,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:29,669 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] [2020-10-21 21:34:29,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-21 21:34:29,670 INFO L429 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:29,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:29,670 INFO L82 PathProgramCache]: Analyzing trace with hash 429779961, now seen corresponding path program 2 times [2020-10-21 21:34:29,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:29,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109171800] [2020-10-21 21:34:29,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:29,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109171800] [2020-10-21 21:34:29,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:29,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 21:34:29,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079927533] [2020-10-21 21:34:29,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 21:34:29,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:29,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 21:34:29,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 21:34:29,843 INFO L87 Difference]: Start difference. First operand 341 states and 817 transitions. Second operand 4 states. [2020-10-21 21:34:29,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:29,906 INFO L93 Difference]: Finished difference Result 349 states and 845 transitions. [2020-10-21 21:34:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 21:34:29,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-21 21:34:29,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:29,908 INFO L225 Difference]: With dead ends: 349 [2020-10-21 21:34:29,908 INFO L226 Difference]: Without dead ends: 341 [2020-10-21 21:34:29,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:34:29,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-10-21 21:34:29,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 333. [2020-10-21 21:34:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-21 21:34:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 789 transitions. [2020-10-21 21:34:29,917 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 789 transitions. Word has length 28 [2020-10-21 21:34:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:29,917 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 789 transitions. [2020-10-21 21:34:29,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 21:34:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 789 transitions. [2020-10-21 21:34:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 21:34:29,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:29,918 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] [2020-10-21 21:34:29,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-21 21:34:29,919 INFO L429 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:29,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:29,919 INFO L82 PathProgramCache]: Analyzing trace with hash 235847577, now seen corresponding path program 1 times [2020-10-21 21:34:29,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:29,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66563097] [2020-10-21 21:34:29,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:29,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66563097] [2020-10-21 21:34:29,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:29,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 21:34:29,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374434707] [2020-10-21 21:34:29,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:34:29,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:29,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:34:29,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:34:29,980 INFO L87 Difference]: Start difference. First operand 333 states and 789 transitions. Second operand 6 states. [2020-10-21 21:34:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:30,102 INFO L93 Difference]: Finished difference Result 335 states and 830 transitions. [2020-10-21 21:34:30,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 21:34:30,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-21 21:34:30,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:30,103 INFO L225 Difference]: With dead ends: 335 [2020-10-21 21:34:30,103 INFO L226 Difference]: Without dead ends: 193 [2020-10-21 21:34:30,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-21 21:34:30,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-21 21:34:30,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 181. [2020-10-21 21:34:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-21 21:34:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 431 transitions. [2020-10-21 21:34:30,107 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 431 transitions. Word has length 28 [2020-10-21 21:34:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:30,108 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 431 transitions. [2020-10-21 21:34:30,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:34:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 431 transitions. [2020-10-21 21:34:30,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 21:34:30,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:30,109 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] [2020-10-21 21:34:30,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-21 21:34:30,109 INFO L429 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:30,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:30,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1790360675, now seen corresponding path program 2 times [2020-10-21 21:34:30,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:30,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443272735] [2020-10-21 21:34:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:30,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443272735] [2020-10-21 21:34:30,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:30,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 21:34:30,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323182372] [2020-10-21 21:34:30,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 21:34:30,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:30,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 21:34:30,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 21:34:30,189 INFO L87 Difference]: Start difference. First operand 181 states and 431 transitions. Second operand 7 states. [2020-10-21 21:34:30,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:30,297 INFO L93 Difference]: Finished difference Result 243 states and 577 transitions. [2020-10-21 21:34:30,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 21:34:30,298 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-21 21:34:30,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:30,299 INFO L225 Difference]: With dead ends: 243 [2020-10-21 21:34:30,299 INFO L226 Difference]: Without dead ends: 178 [2020-10-21 21:34:30,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-21 21:34:30,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-21 21:34:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 168. [2020-10-21 21:34:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-10-21 21:34:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 400 transitions. [2020-10-21 21:34:30,303 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 400 transitions. Word has length 28 [2020-10-21 21:34:30,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:30,304 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 400 transitions. [2020-10-21 21:34:30,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 21:34:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 400 transitions. [2020-10-21 21:34:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 21:34:30,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:34:30,305 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] [2020-10-21 21:34:30,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-21 21:34:30,305 INFO L429 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:34:30,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:34:30,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1832373091, now seen corresponding path program 3 times [2020-10-21 21:34:30,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:34:30,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013669865] [2020-10-21 21:34:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:34:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:34:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:34:30,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013669865] [2020-10-21 21:34:30,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:34:30,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-21 21:34:30,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532238390] [2020-10-21 21:34:30,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 21:34:30,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:34:30,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 21:34:30,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:34:30,387 INFO L87 Difference]: Start difference. First operand 168 states and 400 transitions. Second operand 8 states. [2020-10-21 21:34:30,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:34:30,500 INFO L93 Difference]: Finished difference Result 150 states and 385 transitions. [2020-10-21 21:34:30,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 21:34:30,501 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-21 21:34:30,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:34:30,501 INFO L225 Difference]: With dead ends: 150 [2020-10-21 21:34:30,502 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 21:34:30,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-21 21:34:30,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 21:34:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 21:34:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 21:34:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 21:34:30,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-21 21:34:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:34:30,503 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 21:34:30,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 21:34:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 21:34:30,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 21:34:30,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-21 21:34:30,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 09:34:30 BasicIcfg [2020-10-21 21:34:30,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 21:34:30,510 INFO L168 Benchmark]: Toolchain (without parser) took 18934.03 ms. Allocated memory was 146.8 MB in the beginning and 641.7 MB in the end (delta: 494.9 MB). Free memory was 101.6 MB in the beginning and 443.0 MB in the end (delta: -341.4 MB). Peak memory consumption was 153.5 MB. Max. memory is 7.1 GB. [2020-10-21 21:34:30,510 INFO L168 Benchmark]: CDTParser took 4.08 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 21:34:30,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.21 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 100.6 MB in the beginning and 154.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-10-21 21:34:30,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 202.4 MB. Free memory was 154.2 MB in the beginning and 151.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 21:34:30,512 INFO L168 Benchmark]: Boogie Preprocessor took 45.85 ms. Allocated memory is still 202.4 MB. Free memory was 151.5 MB in the beginning and 149.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:34:30,512 INFO L168 Benchmark]: RCFGBuilder took 1158.64 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 149.4 MB in the beginning and 157.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. [2020-10-21 21:34:30,513 INFO L168 Benchmark]: TraceAbstraction took 16917.23 ms. Allocated memory was 235.9 MB in the beginning and 641.7 MB in the end (delta: 405.8 MB). Free memory was 155.7 MB in the beginning and 443.0 MB in the end (delta: -287.3 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2020-10-21 21:34:30,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.08 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.21 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 100.6 MB in the beginning and 154.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 202.4 MB. Free memory was 154.2 MB in the beginning and 151.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.85 ms. Allocated memory is still 202.4 MB. Free memory was 151.5 MB in the beginning and 149.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.64 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 149.4 MB in the beginning and 157.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16917.23 ms. Allocated memory was 235.9 MB in the beginning and 641.7 MB in the end (delta: 405.8 MB). Free memory was 155.7 MB in the beginning and 443.0 MB in the end (delta: -287.3 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6964 VarBasedMoverChecksPositive, 159 VarBasedMoverChecksNegative, 37 SemBasedMoverChecksPositive, 122 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.4s, 1100 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.3s, 161 PlacesBefore, 64 PlacesAfterwards, 175 TransitionsBefore, 73 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 5 ChoiceCompositions, 129 TotalNumberOfCompositions, 25813 MoverChecksTotal - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() 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: 16.7s, OverallIterations: 25, TraceHistogramMax: 1, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: 2226 SDtfs, 3185 SDslu, 4918 SDs, 0 SdLazy, 3795 SolverSat, 518 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5573occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 25 MinimizatonAttempts, 9274 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 508 ConstructedInterpolants, 0 QuantifiedInterpolants, 47760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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...