/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:18:54,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:18:54,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:18:54,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:18:54,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:18:54,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:18:54,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:18:54,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:18:54,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:18:54,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:18:54,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:18:54,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:18:54,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:18:54,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:18:54,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:18:54,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:18:54,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:18:54,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:18:54,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:18:54,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:18:54,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:18:54,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:18:54,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:18:54,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:18:54,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 01:18:54,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:18:54,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:18:54,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:18:54,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:18:54,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:18:54,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:18:54,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:18:54,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:18:54,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:18:54,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:18:54,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:18:54,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:18:54,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:18:54,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:18:54,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:18:54,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:18:54,292 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:18:54,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:18:54,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:18:54,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:18:54,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:18:54,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:18:54,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:18:54,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:18:54,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:18:54,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:18:54,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:18:54,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:18:54,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:18:54,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:18:54,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:18:54,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:18:54,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:18:54,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:18:54,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:18:54,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:18:54,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:18:54,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:18:54,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:18:54,298 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:18:54,298 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:18:54,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:18:54,298 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:18:54,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:18:54,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:18:54,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:18:54,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:18:54,605 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:18:54,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-22 01:18:54,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8fdc239/ed8f1f9ff51343348932d96cd3ca782c/FLAGaf51d2e84 [2020-10-22 01:18:55,218 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:18:55,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-22 01:18:55,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8fdc239/ed8f1f9ff51343348932d96cd3ca782c/FLAGaf51d2e84 [2020-10-22 01:18:55,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8fdc239/ed8f1f9ff51343348932d96cd3ca782c [2020-10-22 01:18:55,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:18:55,529 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:18:55,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:55,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:18:55,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:18:55,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:55" (1/1) ... [2020-10-22 01:18:55,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b9a66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:55, skipping insertion in model container [2020-10-22 01:18:55,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:55" (1/1) ... [2020-10-22 01:18:55,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:18:55,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:18:56,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:56,050 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:18:56,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:56,181 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:18:56,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56 WrapperNode [2020-10-22 01:18:56,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:56,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:56,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:18:56,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:18:56,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:56,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:18:56,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:18:56,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:18:56,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (1/1) ... [2020-10-22 01:18:56,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:18:56,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:18:56,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:18:56,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:18:56,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (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 [2020-10-22 01:18:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-22 01:18:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-22 01:18:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-22 01:18:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-22 01:18:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:18:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:18:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-22 01:18:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-22 01:18:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:18:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:18:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:18:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:18:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:18:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:18:56,413 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:18:57,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:18:57,536 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-22 01:18:57,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:57 BoogieIcfgContainer [2020-10-22 01:18:57,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:18:57,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:18:57,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:18:57,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:18:57,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:18:55" (1/3) ... [2020-10-22 01:18:57,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eeb15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:57, skipping insertion in model container [2020-10-22 01:18:57,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:56" (2/3) ... [2020-10-22 01:18:57,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eeb15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:57, skipping insertion in model container [2020-10-22 01:18:57,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:57" (3/3) ... [2020-10-22 01:18:57,548 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-22 01:18:57,561 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:18:57,562 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:18:57,571 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:18:57,572 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:18:57,613 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,614 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,614 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,614 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,615 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,615 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,615 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,616 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,616 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,616 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,616 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,616 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,617 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,617 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,617 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,618 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,618 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,618 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,618 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,619 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,619 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,619 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,619 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,620 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,620 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,620 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,620 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,621 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,621 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,621 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,621 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,621 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,622 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,622 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,622 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,623 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,623 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,623 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,623 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,623 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,624 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,624 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,624 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,624 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,625 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,626 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,626 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,626 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,626 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,626 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,627 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,627 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,627 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,627 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,627 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,628 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,628 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,628 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,628 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,628 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,629 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,629 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,629 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,629 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,629 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,630 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,630 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,631 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,632 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,632 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,632 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,632 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,632 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,633 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,633 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,634 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,634 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,634 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,635 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,635 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,636 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,636 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,636 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,636 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,636 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,636 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,637 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,637 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,637 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,637 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,638 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,638 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,638 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,638 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,638 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,639 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,639 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,639 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,639 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,639 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,640 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,640 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,640 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,640 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,641 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,641 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,641 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,641 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,641 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,641 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,642 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,642 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,642 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,642 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,642 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,643 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,643 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,643 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,643 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,643 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,644 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,644 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,644 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,644 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,644 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,645 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,646 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,646 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,646 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,646 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,646 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,647 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,647 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,647 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,647 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,647 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,648 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,648 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,648 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,648 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,648 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,648 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,649 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,649 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,649 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,649 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,649 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,650 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,650 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,650 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,651 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,651 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,652 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,652 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,652 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,653 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,654 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,655 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,655 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,655 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,655 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,655 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,656 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,656 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,656 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,659 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,660 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,660 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,660 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,660 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,661 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,661 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,661 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,661 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,661 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,661 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,662 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,662 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,662 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,662 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,662 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,663 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,663 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,663 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,671 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,671 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,671 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,671 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,672 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,672 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,672 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,673 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,673 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,673 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,673 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,673 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,674 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,674 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,678 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,679 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,680 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,680 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,680 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,680 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,680 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,682 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,682 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,682 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,682 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,682 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,683 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,683 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,683 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,683 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,683 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,684 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,684 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,684 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,684 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,684 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,685 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,685 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,685 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,686 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:57,696 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-10-22 01:18:57,709 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-22 01:18:57,729 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:18:57,730 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:18:57,730 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:18:57,730 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:18:57,730 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:18:57,730 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:18:57,730 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:18:57,731 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:18:57,745 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:18:57,746 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 175 transitions, 392 flow [2020-10-22 01:18:57,749 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 175 transitions, 392 flow [2020-10-22 01:18:57,751 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 161 places, 175 transitions, 392 flow [2020-10-22 01:18:57,824 INFO L129 PetriNetUnfolder]: 23/183 cut-off events. [2020-10-22 01:18:57,824 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-22 01:18:57,832 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. [2020-10-22 01:18:57,843 INFO L116 LiptonReduction]: Number of co-enabled transitions 10120 [2020-10-22 01:19:00,965 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-10-22 01:19:01,078 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-22 01:19:01,637 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2020-10-22 01:19:01,900 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-22 01:19:01,940 INFO L131 LiptonReduction]: Checked pairs total: 28994 [2020-10-22 01:19:01,940 INFO L133 LiptonReduction]: Total number of compositions: 125 [2020-10-22 01:19:01,946 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 73 transitions, 188 flow [2020-10-22 01:19:02,206 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4024 states. [2020-10-22 01:19:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states. [2020-10-22 01:19:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:19:02,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:02,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:02,228 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]=== [2020-10-22 01:19:02,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:02,234 INFO L82 PathProgramCache]: Analyzing trace with hash 897952914, now seen corresponding path program 1 times [2020-10-22 01:19:02,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:02,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651248382] [2020-10-22 01:19:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:02,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651248382] [2020-10-22 01:19:02,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:02,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:19:02,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1102984400] [2020-10-22 01:19:02,559 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:02,563 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:02,588 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 01:19:02,588 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:02,594 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:02,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:19:02,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:02,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:19:02,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:02,613 INFO L87 Difference]: Start difference. First operand 4024 states. Second operand 3 states. [2020-10-22 01:19:02,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:02,788 INFO L93 Difference]: Finished difference Result 5040 states and 18204 transitions. [2020-10-22 01:19:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:19:02,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-22 01:19:02,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:02,845 INFO L225 Difference]: With dead ends: 5040 [2020-10-22 01:19:02,845 INFO L226 Difference]: Without dead ends: 4288 [2020-10-22 01:19:02,847 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 [2020-10-22 01:19:02,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2020-10-22 01:19:03,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 3808. [2020-10-22 01:19:03,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3808 states. [2020-10-22 01:19:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 14333 transitions. [2020-10-22 01:19:03,132 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 14333 transitions. Word has length 12 [2020-10-22 01:19:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:03,133 INFO L481 AbstractCegarLoop]: Abstraction has 3808 states and 14333 transitions. [2020-10-22 01:19:03,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:19:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 14333 transitions. [2020-10-22 01:19:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 01:19:03,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:03,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:03,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:19:03,137 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]=== [2020-10-22 01:19:03,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:03,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2071901520, now seen corresponding path program 1 times [2020-10-22 01:19:03,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:03,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783255173] [2020-10-22 01:19:03,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:03,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783255173] [2020-10-22 01:19:03,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:03,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:19:03,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [389850184] [2020-10-22 01:19:03,218 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:03,221 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:03,228 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 01:19:03,228 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:03,228 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:03,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:19:03,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:03,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:19:03,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:03,231 INFO L87 Difference]: Start difference. First operand 3808 states and 14333 transitions. Second operand 3 states. [2020-10-22 01:19:03,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:03,292 INFO L93 Difference]: Finished difference Result 3723 states and 14009 transitions. [2020-10-22 01:19:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:19:03,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-22 01:19:03,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:03,332 INFO L225 Difference]: With dead ends: 3723 [2020-10-22 01:19:03,333 INFO L226 Difference]: Without dead ends: 3723 [2020-10-22 01:19:03,334 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 [2020-10-22 01:19:03,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2020-10-22 01:19:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3723. [2020-10-22 01:19:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3723 states. [2020-10-22 01:19:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 14009 transitions. [2020-10-22 01:19:03,521 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 14009 transitions. Word has length 13 [2020-10-22 01:19:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:03,521 INFO L481 AbstractCegarLoop]: Abstraction has 3723 states and 14009 transitions. [2020-10-22 01:19:03,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:19:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 14009 transitions. [2020-10-22 01:19:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 01:19:03,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:03,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:03,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:19:03,525 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]=== [2020-10-22 01:19:03,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:03,525 INFO L82 PathProgramCache]: Analyzing trace with hash 2071901385, now seen corresponding path program 1 times [2020-10-22 01:19:03,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:03,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172738189] [2020-10-22 01:19:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:03,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172738189] [2020-10-22 01:19:03,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:03,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:19:03,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [725832829] [2020-10-22 01:19:03,602 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:03,604 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:03,606 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 01:19:03,606 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:03,607 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:03,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:19:03,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:03,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:19:03,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:03,608 INFO L87 Difference]: Start difference. First operand 3723 states and 14009 transitions. Second operand 3 states. [2020-10-22 01:19:03,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:03,665 INFO L93 Difference]: Finished difference Result 3647 states and 13722 transitions. [2020-10-22 01:19:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:19:03,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-22 01:19:03,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:03,703 INFO L225 Difference]: With dead ends: 3647 [2020-10-22 01:19:03,703 INFO L226 Difference]: Without dead ends: 3647 [2020-10-22 01:19:03,704 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 [2020-10-22 01:19:03,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3647 states. [2020-10-22 01:19:03,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3647 to 3647. [2020-10-22 01:19:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3647 states. [2020-10-22 01:19:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3647 states and 13722 transitions. [2020-10-22 01:19:03,912 INFO L78 Accepts]: Start accepts. Automaton has 3647 states and 13722 transitions. Word has length 13 [2020-10-22 01:19:03,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:03,912 INFO L481 AbstractCegarLoop]: Abstraction has 3647 states and 13722 transitions. [2020-10-22 01:19:03,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:19:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3647 states and 13722 transitions. [2020-10-22 01:19:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:19:03,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:03,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:03,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:19:03,918 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]=== [2020-10-22 01:19:03,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:03,919 INFO L82 PathProgramCache]: Analyzing trace with hash 595966343, now seen corresponding path program 1 times [2020-10-22 01:19:03,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:03,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192612507] [2020-10-22 01:19:03,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:04,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192612507] [2020-10-22 01:19:04,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:04,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:19:04,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1267453948] [2020-10-22 01:19:04,025 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:04,028 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:04,036 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 49 transitions. [2020-10-22 01:19:04,037 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:04,091 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:04,092 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:04,245 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [42993#(and (or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr1~0 0)) (or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr2~0 0)))] [2020-10-22 01:19:04,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:19:04,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:04,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:19:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:19:04,246 INFO L87 Difference]: Start difference. First operand 3647 states and 13722 transitions. Second operand 7 states. [2020-10-22 01:19:04,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:04,768 INFO L93 Difference]: Finished difference Result 7349 states and 26411 transitions. [2020-10-22 01:19:04,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:19:04,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-22 01:19:04,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:04,812 INFO L225 Difference]: With dead ends: 7349 [2020-10-22 01:19:04,813 INFO L226 Difference]: Without dead ends: 7349 [2020-10-22 01:19:04,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:19:04,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7349 states. [2020-10-22 01:19:05,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7349 to 4143. [2020-10-22 01:19:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4143 states. [2020-10-22 01:19:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 4143 states and 15312 transitions. [2020-10-22 01:19:05,079 INFO L78 Accepts]: Start accepts. Automaton has 4143 states and 15312 transitions. Word has length 17 [2020-10-22 01:19:05,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:05,079 INFO L481 AbstractCegarLoop]: Abstraction has 4143 states and 15312 transitions. [2020-10-22 01:19:05,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:19:05,079 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 15312 transitions. [2020-10-22 01:19:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:19:05,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:05,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:05,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:19:05,086 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]=== [2020-10-22 01:19:05,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:05,087 INFO L82 PathProgramCache]: Analyzing trace with hash 738276989, now seen corresponding path program 1 times [2020-10-22 01:19:05,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:05,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505744207] [2020-10-22 01:19:05,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:05,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505744207] [2020-10-22 01:19:05,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:05,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:19:05,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1965970312] [2020-10-22 01:19:05,162 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:05,164 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:05,174 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 49 transitions. [2020-10-22 01:19:05,174 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:05,222 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:05,222 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:05,345 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [58649#(and (or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr1~0 0)) (or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr2~0 0)))] [2020-10-22 01:19:05,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:19:05,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:05,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:19:05,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:19:05,347 INFO L87 Difference]: Start difference. First operand 4143 states and 15312 transitions. Second operand 7 states. [2020-10-22 01:19:05,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:05,820 INFO L93 Difference]: Finished difference Result 7405 states and 26249 transitions. [2020-10-22 01:19:05,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:19:05,821 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-22 01:19:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:05,852 INFO L225 Difference]: With dead ends: 7405 [2020-10-22 01:19:05,852 INFO L226 Difference]: Without dead ends: 7405 [2020-10-22 01:19:05,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:19:05,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7405 states. [2020-10-22 01:19:05,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7405 to 4323. [2020-10-22 01:19:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4323 states. [2020-10-22 01:19:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 4323 states and 15936 transitions. [2020-10-22 01:19:06,014 INFO L78 Accepts]: Start accepts. Automaton has 4323 states and 15936 transitions. Word has length 17 [2020-10-22 01:19:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:06,015 INFO L481 AbstractCegarLoop]: Abstraction has 4323 states and 15936 transitions. [2020-10-22 01:19:06,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:19:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 4323 states and 15936 transitions. [2020-10-22 01:19:06,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:19:06,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:06,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:06,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:19:06,021 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]=== [2020-10-22 01:19:06,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:06,022 INFO L82 PathProgramCache]: Analyzing trace with hash 596075465, now seen corresponding path program 2 times [2020-10-22 01:19:06,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:06,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601410648] [2020-10-22 01:19:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:06,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601410648] [2020-10-22 01:19:06,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:06,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:19:06,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [385089649] [2020-10-22 01:19:06,096 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:06,099 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:06,107 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 61 transitions. [2020-10-22 01:19:06,107 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:06,342 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:06,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:19:06,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:06,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:19:06,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:19:06,343 INFO L87 Difference]: Start difference. First operand 4323 states and 15936 transitions. Second operand 5 states. [2020-10-22 01:19:06,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:06,467 INFO L93 Difference]: Finished difference Result 6164 states and 22197 transitions. [2020-10-22 01:19:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:19:06,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-22 01:19:06,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:06,496 INFO L225 Difference]: With dead ends: 6164 [2020-10-22 01:19:06,496 INFO L226 Difference]: Without dead ends: 6164 [2020-10-22 01:19:06,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:19:06,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6164 states. [2020-10-22 01:19:06,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6164 to 6125. [2020-10-22 01:19:06,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6125 states. [2020-10-22 01:19:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6125 states to 6125 states and 22130 transitions. [2020-10-22 01:19:06,667 INFO L78 Accepts]: Start accepts. Automaton has 6125 states and 22130 transitions. Word has length 17 [2020-10-22 01:19:06,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:06,668 INFO L481 AbstractCegarLoop]: Abstraction has 6125 states and 22130 transitions. [2020-10-22 01:19:06,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:19:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6125 states and 22130 transitions. [2020-10-22 01:19:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:19:06,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:06,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:06,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:19:06,675 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]=== [2020-10-22 01:19:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:06,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1605525282, now seen corresponding path program 1 times [2020-10-22 01:19:06,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:06,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254517568] [2020-10-22 01:19:06,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:06,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254517568] [2020-10-22 01:19:06,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:06,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:19:06,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1224058180] [2020-10-22 01:19:06,739 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:06,743 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:06,747 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 49 transitions. [2020-10-22 01:19:06,747 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:06,967 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:06,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:19:06,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:06,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:19:06,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:19:06,968 INFO L87 Difference]: Start difference. First operand 6125 states and 22130 transitions. Second operand 4 states. [2020-10-22 01:19:07,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:07,065 INFO L93 Difference]: Finished difference Result 8580 states and 30024 transitions. [2020-10-22 01:19:07,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:19:07,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-22 01:19:07,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:07,078 INFO L225 Difference]: With dead ends: 8580 [2020-10-22 01:19:07,078 INFO L226 Difference]: Without dead ends: 4746 [2020-10-22 01:19:07,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:19:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4746 states. [2020-10-22 01:19:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4746 to 4707. [2020-10-22 01:19:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4707 states. [2020-10-22 01:19:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 15499 transitions. [2020-10-22 01:19:07,348 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 15499 transitions. Word has length 17 [2020-10-22 01:19:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:07,349 INFO L481 AbstractCegarLoop]: Abstraction has 4707 states and 15499 transitions. [2020-10-22 01:19:07,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:19:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 15499 transitions. [2020-10-22 01:19:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 01:19:07,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:07,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:07,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:19:07,354 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]=== [2020-10-22 01:19:07,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:07,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1287815807, now seen corresponding path program 1 times [2020-10-22 01:19:07,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:07,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434784275] [2020-10-22 01:19:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:07,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434784275] [2020-10-22 01:19:07,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:07,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 01:19:07,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1232119000] [2020-10-22 01:19:07,417 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:07,420 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:07,427 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 69 transitions. [2020-10-22 01:19:07,427 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:07,517 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:07,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:19:07,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:07,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:19:07,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:19:07,519 INFO L87 Difference]: Start difference. First operand 4707 states and 15499 transitions. Second operand 5 states. [2020-10-22 01:19:07,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:07,628 INFO L93 Difference]: Finished difference Result 6795 states and 22105 transitions. [2020-10-22 01:19:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:19:07,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-22 01:19:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:07,636 INFO L225 Difference]: With dead ends: 6795 [2020-10-22 01:19:07,637 INFO L226 Difference]: Without dead ends: 3937 [2020-10-22 01:19:07,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:19:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2020-10-22 01:19:07,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 2649. [2020-10-22 01:19:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2649 states. [2020-10-22 01:19:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 8368 transitions. [2020-10-22 01:19:07,713 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 8368 transitions. Word has length 19 [2020-10-22 01:19:07,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:07,713 INFO L481 AbstractCegarLoop]: Abstraction has 2649 states and 8368 transitions. [2020-10-22 01:19:07,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:19:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 8368 transitions. [2020-10-22 01:19:07,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 01:19:07,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:07,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:07,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 01:19:07,717 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]=== [2020-10-22 01:19:07,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:07,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1427256125, now seen corresponding path program 1 times [2020-10-22 01:19:07,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:07,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41509805] [2020-10-22 01:19:07,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:07,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41509805] [2020-10-22 01:19:07,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:07,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:19:07,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [498406277] [2020-10-22 01:19:07,757 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:07,760 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:07,764 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 45 transitions. [2020-10-22 01:19:07,764 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:07,827 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:07,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:19:07,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:07,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:19:07,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:07,829 INFO L87 Difference]: Start difference. First operand 2649 states and 8368 transitions. Second operand 3 states. [2020-10-22 01:19:07,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:07,854 INFO L93 Difference]: Finished difference Result 2649 states and 8303 transitions. [2020-10-22 01:19:07,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:19:07,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-22 01:19:07,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:07,858 INFO L225 Difference]: With dead ends: 2649 [2020-10-22 01:19:07,858 INFO L226 Difference]: Without dead ends: 1299 [2020-10-22 01:19:07,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:07,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2020-10-22 01:19:07,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1160. [2020-10-22 01:19:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-10-22 01:19:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 3101 transitions. [2020-10-22 01:19:07,885 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 3101 transitions. Word has length 19 [2020-10-22 01:19:07,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:07,885 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 3101 transitions. [2020-10-22 01:19:07,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:19:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 3101 transitions. [2020-10-22 01:19:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 01:19:07,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:07,888 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] [2020-10-22 01:19:07,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 01:19:07,889 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]=== [2020-10-22 01:19:07,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:07,889 INFO L82 PathProgramCache]: Analyzing trace with hash 701410771, now seen corresponding path program 1 times [2020-10-22 01:19:07,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:07,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584328958] [2020-10-22 01:19:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:07,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584328958] [2020-10-22 01:19:07,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:07,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:19:07,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1651371672] [2020-10-22 01:19:07,922 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:07,925 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:07,931 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2020-10-22 01:19:07,931 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:08,024 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:08,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:19:08,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:08,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:19:08,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:08,026 INFO L87 Difference]: Start difference. First operand 1160 states and 3101 transitions. Second operand 3 states. [2020-10-22 01:19:08,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:08,045 INFO L93 Difference]: Finished difference Result 1060 states and 2745 transitions. [2020-10-22 01:19:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:19:08,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-22 01:19:08,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:08,048 INFO L225 Difference]: With dead ends: 1060 [2020-10-22 01:19:08,048 INFO L226 Difference]: Without dead ends: 1060 [2020-10-22 01:19:08,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-10-22 01:19:08,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1008. [2020-10-22 01:19:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008 states. [2020-10-22 01:19:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 2669 transitions. [2020-10-22 01:19:08,068 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 2669 transitions. Word has length 22 [2020-10-22 01:19:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:08,068 INFO L481 AbstractCegarLoop]: Abstraction has 1008 states and 2669 transitions. [2020-10-22 01:19:08,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:19:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 2669 transitions. [2020-10-22 01:19:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 01:19:08,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:08,070 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] [2020-10-22 01:19:08,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 01:19:08,071 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]=== [2020-10-22 01:19:08,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:08,071 INFO L82 PathProgramCache]: Analyzing trace with hash -2082311633, now seen corresponding path program 1 times [2020-10-22 01:19:08,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:08,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551666046] [2020-10-22 01:19:08,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:08,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551666046] [2020-10-22 01:19:08,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:08,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:19:08,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [522942019] [2020-10-22 01:19:08,101 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:08,104 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:08,110 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2020-10-22 01:19:08,110 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:08,122 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:08,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:19:08,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:08,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:19:08,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:08,123 INFO L87 Difference]: Start difference. First operand 1008 states and 2669 transitions. Second operand 3 states. [2020-10-22 01:19:08,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:08,145 INFO L93 Difference]: Finished difference Result 1022 states and 2573 transitions. [2020-10-22 01:19:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:19:08,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-22 01:19:08,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:08,148 INFO L225 Difference]: With dead ends: 1022 [2020-10-22 01:19:08,148 INFO L226 Difference]: Without dead ends: 1022 [2020-10-22 01:19:08,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:19:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-10-22 01:19:08,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 970. [2020-10-22 01:19:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-10-22 01:19:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 2497 transitions. [2020-10-22 01:19:08,167 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 2497 transitions. Word has length 22 [2020-10-22 01:19:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:08,168 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 2497 transitions. [2020-10-22 01:19:08,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:19:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 2497 transitions. [2020-10-22 01:19:08,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 01:19:08,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:08,170 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] [2020-10-22 01:19:08,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-22 01:19:08,170 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]=== [2020-10-22 01:19:08,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:08,171 INFO L82 PathProgramCache]: Analyzing trace with hash -2082310641, now seen corresponding path program 1 times [2020-10-22 01:19:08,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:08,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955723449] [2020-10-22 01:19:08,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:08,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955723449] [2020-10-22 01:19:08,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:08,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:19:08,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [775852663] [2020-10-22 01:19:08,220 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:08,224 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:08,230 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2020-10-22 01:19:08,231 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:08,285 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:08,285 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:08,327 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:08,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:19:08,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:08,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:19:08,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:19:08,329 INFO L87 Difference]: Start difference. First operand 970 states and 2497 transitions. Second operand 6 states. [2020-10-22 01:19:08,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:08,461 INFO L93 Difference]: Finished difference Result 1009 states and 2436 transitions. [2020-10-22 01:19:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:19:08,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-22 01:19:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:08,470 INFO L225 Difference]: With dead ends: 1009 [2020-10-22 01:19:08,470 INFO L226 Difference]: Without dead ends: 894 [2020-10-22 01:19:08,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:19:08,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-22 01:19:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 814. [2020-10-22 01:19:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-10-22 01:19:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 2042 transitions. [2020-10-22 01:19:08,489 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 2042 transitions. Word has length 22 [2020-10-22 01:19:08,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:08,489 INFO L481 AbstractCegarLoop]: Abstraction has 814 states and 2042 transitions. [2020-10-22 01:19:08,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:19:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 2042 transitions. [2020-10-22 01:19:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-22 01:19:08,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:08,494 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] [2020-10-22 01:19:08,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-22 01:19:08,495 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]=== [2020-10-22 01:19:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:08,495 INFO L82 PathProgramCache]: Analyzing trace with hash 192813980, now seen corresponding path program 1 times [2020-10-22 01:19:08,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:08,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741512992] [2020-10-22 01:19:08,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:08,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741512992] [2020-10-22 01:19:08,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:08,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-22 01:19:08,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [557439409] [2020-10-22 01:19:08,615 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:08,619 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:08,726 INFO L252 McrAutomatonBuilder]: Finished intersection with 100 states and 205 transitions. [2020-10-22 01:19:08,726 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:08,741 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:08,742 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:08,794 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:08,794 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:08,836 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:08,837 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:08,915 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:08,916 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:09,378 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 1] term [2020-10-22 01:19:09,378 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:09,379 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 15, 1] term [2020-10-22 01:19:09,379 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:09,498 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 1] term [2020-10-22 01:19:09,498 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:09,499 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 15, 1] term [2020-10-22 01:19:09,499 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:09,647 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:09,647 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:10,253 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [136918#(or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (< 0 qrcu_reader1Thread1of1ForFork0_~myidx~0) (<= ~ctr1~0 0)), 136919#(or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr1~0 0) (< 0 ~idx~0)), 136916#(<= 3 (+ ~ctr1~0 ~ctr2~0)), 136917#(or (<= ~ctr1~0 0) (<= 2 (+ ~ctr1~0 ~ctr2~0))), 136920#(and (or (<= ~ctr2~0 0) (< qrcu_reader1Thread1of1ForFork0_~myidx~0 1)) (or (< 0 qrcu_reader1Thread1of1ForFork0_~myidx~0) (and (<= 1 (+ ~ctr1~0 ~ctr2~0)) (= qrcu_reader1Thread1of1ForFork0_~myidx~0 0)) (<= ~ctr1~0 0))), 136921#(and (or (<= ~ctr2~0 0) (< ~idx~0 1)) (or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~idx~0 0)) (or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr1~0 0) (< 0 ~idx~0)))] [2020-10-22 01:19:10,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-22 01:19:10,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:10,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-22 01:19:10,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2020-10-22 01:19:10,255 INFO L87 Difference]: Start difference. First operand 814 states and 2042 transitions. Second operand 15 states. [2020-10-22 01:19:12,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:12,071 INFO L93 Difference]: Finished difference Result 1392 states and 3392 transitions. [2020-10-22 01:19:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-22 01:19:12,072 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 23 [2020-10-22 01:19:12,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:12,075 INFO L225 Difference]: With dead ends: 1392 [2020-10-22 01:19:12,075 INFO L226 Difference]: Without dead ends: 1392 [2020-10-22 01:19:12,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 67 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=401, Invalid=1239, Unknown=0, NotChecked=0, Total=1640 [2020-10-22 01:19:12,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2020-10-22 01:19:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 814. [2020-10-22 01:19:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-10-22 01:19:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 2042 transitions. [2020-10-22 01:19:12,094 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 2042 transitions. Word has length 23 [2020-10-22 01:19:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:12,094 INFO L481 AbstractCegarLoop]: Abstraction has 814 states and 2042 transitions. [2020-10-22 01:19:12,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-22 01:19:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 2042 transitions. [2020-10-22 01:19:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-22 01:19:12,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:12,096 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] [2020-10-22 01:19:12,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-22 01:19:12,096 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]=== [2020-10-22 01:19:12,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:12,097 INFO L82 PathProgramCache]: Analyzing trace with hash 335124626, now seen corresponding path program 1 times [2020-10-22 01:19:12,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:12,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693451441] [2020-10-22 01:19:12,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:12,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693451441] [2020-10-22 01:19:12,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:12,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-22 01:19:12,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1324396815] [2020-10-22 01:19:12,206 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:12,210 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:12,232 INFO L252 McrAutomatonBuilder]: Finished intersection with 100 states and 205 transitions. [2020-10-22 01:19:12,232 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:12,245 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:12,245 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:12,297 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:12,297 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:12,381 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:12,382 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:12,443 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:12,444 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:12,887 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 1] term [2020-10-22 01:19:12,888 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:12,890 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 15, 1] term [2020-10-22 01:19:12,890 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:13,012 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 1] term [2020-10-22 01:19:13,013 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:13,013 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 15, 1] term [2020-10-22 01:19:13,014 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:13,147 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:13,148 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:13,793 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [140003#(<= 3 (+ ~ctr1~0 ~ctr2~0)), 140006#(or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr1~0 0) (< 0 ~idx~0)), 140007#(and (or (<= ~ctr2~0 0) (< qrcu_reader1Thread1of1ForFork0_~myidx~0 1)) (or (< 0 qrcu_reader1Thread1of1ForFork0_~myidx~0) (and (<= 1 (+ ~ctr1~0 ~ctr2~0)) (= qrcu_reader1Thread1of1ForFork0_~myidx~0 0)) (<= ~ctr1~0 0))), 140004#(or (<= ~ctr1~0 0) (<= 2 (+ ~ctr1~0 ~ctr2~0))), 140005#(or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (< 0 qrcu_reader1Thread1of1ForFork0_~myidx~0) (<= ~ctr1~0 0)), 140008#(and (or (<= ~ctr2~0 0) (< ~idx~0 1)) (or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~idx~0 0)) (or (<= 1 (+ ~ctr1~0 ~ctr2~0)) (<= ~ctr1~0 0) (< 0 ~idx~0)))] [2020-10-22 01:19:13,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-22 01:19:13,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:13,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-22 01:19:13,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2020-10-22 01:19:13,794 INFO L87 Difference]: Start difference. First operand 814 states and 2042 transitions. Second operand 15 states. [2020-10-22 01:19:14,374 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-10-22 01:19:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:15,636 INFO L93 Difference]: Finished difference Result 1268 states and 3130 transitions. [2020-10-22 01:19:15,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-22 01:19:15,637 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 23 [2020-10-22 01:19:15,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:15,639 INFO L225 Difference]: With dead ends: 1268 [2020-10-22 01:19:15,639 INFO L226 Difference]: Without dead ends: 1268 [2020-10-22 01:19:15,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=348, Invalid=1134, Unknown=0, NotChecked=0, Total=1482 [2020-10-22 01:19:15,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2020-10-22 01:19:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 761. [2020-10-22 01:19:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2020-10-22 01:19:15,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1929 transitions. [2020-10-22 01:19:15,658 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1929 transitions. Word has length 23 [2020-10-22 01:19:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:15,658 INFO L481 AbstractCegarLoop]: Abstraction has 761 states and 1929 transitions. [2020-10-22 01:19:15,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-22 01:19:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1929 transitions. [2020-10-22 01:19:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-22 01:19:15,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:15,660 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] [2020-10-22 01:19:15,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-22 01:19:15,660 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]=== [2020-10-22 01:19:15,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:15,661 INFO L82 PathProgramCache]: Analyzing trace with hash -146504096, now seen corresponding path program 1 times [2020-10-22 01:19:15,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:15,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135856379] [2020-10-22 01:19:15,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:15,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135856379] [2020-10-22 01:19:15,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:15,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 01:19:15,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1509353547] [2020-10-22 01:19:15,733 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:15,739 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:15,762 INFO L252 McrAutomatonBuilder]: Finished intersection with 97 states and 188 transitions. [2020-10-22 01:19:15,762 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:15,784 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:15,785 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:15,834 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:15,834 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:15,865 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:15,865 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:15,904 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:15,905 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:15,999 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:16,000 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:16,062 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:16,063 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:16,111 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:16,112 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:16,469 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:16,470 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:16,863 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [142855#(and (or (<= qrcu_reader1Thread1of1ForFork0_~myidx~0 0) (<= 1 ~ctr2~0)) (<= 0 ~ctr2~0)), 142856#(or (< 0 qrcu_reader1Thread1of1ForFork0_~myidx~0) (<= 0 ~ctr2~0)), 142857#(or (<= 0 ~ctr2~0) (< 0 ~idx~0))] [2020-10-22 01:19:16,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 01:19:16,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:16,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 01:19:16,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:19:16,865 INFO L87 Difference]: Start difference. First operand 761 states and 1929 transitions. Second operand 11 states. [2020-10-22 01:19:17,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:17,173 INFO L93 Difference]: Finished difference Result 929 states and 2348 transitions. [2020-10-22 01:19:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-22 01:19:17,174 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2020-10-22 01:19:17,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:17,175 INFO L225 Difference]: With dead ends: 929 [2020-10-22 01:19:17,175 INFO L226 Difference]: Without dead ends: 707 [2020-10-22 01:19:17,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-22 01:19:17,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-10-22 01:19:17,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 582. [2020-10-22 01:19:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-22 01:19:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 1448 transitions. [2020-10-22 01:19:17,188 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 1448 transitions. Word has length 28 [2020-10-22 01:19:17,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:17,188 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 1448 transitions. [2020-10-22 01:19:17,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 01:19:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1448 transitions. [2020-10-22 01:19:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-22 01:19:17,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:17,190 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] [2020-10-22 01:19:17,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-22 01:19:17,191 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]=== [2020-10-22 01:19:17,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:17,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1664150336, now seen corresponding path program 1 times [2020-10-22 01:19:17,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:17,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010902477] [2020-10-22 01:19:17,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:17,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010902477] [2020-10-22 01:19:17,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:17,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 01:19:17,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1588687290] [2020-10-22 01:19:17,308 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:17,313 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:17,333 INFO L252 McrAutomatonBuilder]: Finished intersection with 94 states and 182 transitions. [2020-10-22 01:19:17,333 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:17,350 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:17,350 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:17,391 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:17,391 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:17,449 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:17,450 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:17,537 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:17,538 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:17,592 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:17,593 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:17,667 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:17,667 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:17,805 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 1] term [2020-10-22 01:19:17,805 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:17,956 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 15, 1] term [2020-10-22 01:19:17,957 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:19:18,299 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [144976#(or (<= 0 ~ctr2~0) (< 0 qrcu_reader2Thread1of1ForFork1_~myidx~1)), 144977#(or (<= 0 ~ctr2~0) (< 0 ~idx~0)), 144975#(and (<= 0 ~ctr2~0) (or (<= qrcu_reader2Thread1of1ForFork1_~myidx~1 0) (<= 1 ~ctr2~0)))] [2020-10-22 01:19:18,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 01:19:18,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:18,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 01:19:18,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:19:18,300 INFO L87 Difference]: Start difference. First operand 582 states and 1448 transitions. Second operand 11 states. [2020-10-22 01:19:18,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:18,617 INFO L93 Difference]: Finished difference Result 684 states and 1767 transitions. [2020-10-22 01:19:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:19:18,618 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2020-10-22 01:19:18,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:18,619 INFO L225 Difference]: With dead ends: 684 [2020-10-22 01:19:18,619 INFO L226 Difference]: Without dead ends: 383 [2020-10-22 01:19:18,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 58 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:19:18,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-10-22 01:19:18,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 341. [2020-10-22 01:19:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-22 01:19:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 817 transitions. [2020-10-22 01:19:18,625 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 817 transitions. Word has length 28 [2020-10-22 01:19:18,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:18,625 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 817 transitions. [2020-10-22 01:19:18,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 01:19:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 817 transitions. [2020-10-22 01:19:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-22 01:19:18,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:18,626 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] [2020-10-22 01:19:18,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-22 01:19:18,626 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]=== [2020-10-22 01:19:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2133595784, now seen corresponding path program 2 times [2020-10-22 01:19:18,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:18,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513412318] [2020-10-22 01:19:18,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:18,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513412318] [2020-10-22 01:19:18,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:18,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 01:19:18,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [987445575] [2020-10-22 01:19:18,679 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:18,683 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:18,698 INFO L252 McrAutomatonBuilder]: Finished intersection with 68 states and 114 transitions. [2020-10-22 01:19:18,698 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:18,743 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:18,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:19:18,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:18,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:19:18,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:19:18,745 INFO L87 Difference]: Start difference. First operand 341 states and 817 transitions. Second operand 4 states. [2020-10-22 01:19:18,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:18,785 INFO L93 Difference]: Finished difference Result 349 states and 845 transitions. [2020-10-22 01:19:18,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:19:18,785 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-22 01:19:18,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:18,786 INFO L225 Difference]: With dead ends: 349 [2020-10-22 01:19:18,787 INFO L226 Difference]: Without dead ends: 341 [2020-10-22 01:19:18,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:19:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-10-22 01:19:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 333. [2020-10-22 01:19:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-22 01:19:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 789 transitions. [2020-10-22 01:19:18,793 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 789 transitions. Word has length 28 [2020-10-22 01:19:18,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:18,793 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 789 transitions. [2020-10-22 01:19:18,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:19:18,793 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 789 transitions. [2020-10-22 01:19:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-22 01:19:18,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:18,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:19:18,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-22 01:19:18,794 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]=== [2020-10-22 01:19:18,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:18,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1518181542, now seen corresponding path program 1 times [2020-10-22 01:19:18,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:18,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406135368] [2020-10-22 01:19:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:18,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406135368] [2020-10-22 01:19:18,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:18,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-22 01:19:18,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1900602048] [2020-10-22 01:19:18,847 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:18,852 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:18,868 INFO L252 McrAutomatonBuilder]: Finished intersection with 71 states and 120 transitions. [2020-10-22 01:19:18,869 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:18,927 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:18,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:19:18,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:18,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:19:18,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:19:18,929 INFO L87 Difference]: Start difference. First operand 333 states and 789 transitions. Second operand 6 states. [2020-10-22 01:19:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:19,047 INFO L93 Difference]: Finished difference Result 335 states and 830 transitions. [2020-10-22 01:19:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:19:19,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-22 01:19:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:19,048 INFO L225 Difference]: With dead ends: 335 [2020-10-22 01:19:19,048 INFO L226 Difference]: Without dead ends: 193 [2020-10-22 01:19:19,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-22 01:19:19,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-22 01:19:19,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 181. [2020-10-22 01:19:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-22 01:19:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 431 transitions. [2020-10-22 01:19:19,052 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 431 transitions. Word has length 28 [2020-10-22 01:19:19,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:19,052 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 431 transitions. [2020-10-22 01:19:19,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:19:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 431 transitions. [2020-10-22 01:19:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-22 01:19:19,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:19,053 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] [2020-10-22 01:19:19,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-22 01:19:19,054 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]=== [2020-10-22 01:19:19,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:19,054 INFO L82 PathProgramCache]: Analyzing trace with hash -333773122, now seen corresponding path program 2 times [2020-10-22 01:19:19,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:19,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656111159] [2020-10-22 01:19:19,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:19,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656111159] [2020-10-22 01:19:19,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:19,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-22 01:19:19,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1508453032] [2020-10-22 01:19:19,128 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:19,132 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:19,152 INFO L252 McrAutomatonBuilder]: Finished intersection with 81 states and 148 transitions. [2020-10-22 01:19:19,152 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:20,025 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [148098#(and (<= 0 |qrcu_updaterThread1of1ForFork2_#t~post18|) (= qrcu_reader1Thread1of1ForFork0_~myidx~0 0)), 148099#(or (< 0 ~idx~0) (and (<= 0 ~ctr2~0) (= qrcu_reader1Thread1of1ForFork0_~myidx~0 0)))] [2020-10-22 01:19:20,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 01:19:20,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:20,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 01:19:20,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:19:20,027 INFO L87 Difference]: Start difference. First operand 181 states and 431 transitions. Second operand 9 states. [2020-10-22 01:19:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:20,287 INFO L93 Difference]: Finished difference Result 313 states and 754 transitions. [2020-10-22 01:19:20,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 01:19:20,288 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-22 01:19:20,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:20,289 INFO L225 Difference]: With dead ends: 313 [2020-10-22 01:19:20,289 INFO L226 Difference]: Without dead ends: 248 [2020-10-22 01:19:20,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-22 01:19:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-22 01:19:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 168. [2020-10-22 01:19:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-10-22 01:19:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 400 transitions. [2020-10-22 01:19:20,307 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 400 transitions. Word has length 28 [2020-10-22 01:19:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:20,307 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 400 transitions. [2020-10-22 01:19:20,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 01:19:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 400 transitions. [2020-10-22 01:19:20,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-22 01:19:20,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:19:20,308 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] [2020-10-22 01:19:20,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-22 01:19:20,308 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]=== [2020-10-22 01:19:20,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:19:20,309 INFO L82 PathProgramCache]: Analyzing trace with hash -882131804, now seen corresponding path program 3 times [2020-10-22 01:19:20,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:19:20,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046753184] [2020-10-22 01:19:20,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:19:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:19:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:19:20,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046753184] [2020-10-22 01:19:20,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:19:20,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 01:19:20,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [878456930] [2020-10-22 01:19:20,380 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:19:20,384 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:19:20,395 INFO L252 McrAutomatonBuilder]: Finished intersection with 62 states and 102 transitions. [2020-10-22 01:19:20,395 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:19:20,701 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:19:20,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 01:19:20,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:19:20,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 01:19:20,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:19:20,702 INFO L87 Difference]: Start difference. First operand 168 states and 400 transitions. Second operand 8 states. [2020-10-22 01:19:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:19:20,832 INFO L93 Difference]: Finished difference Result 150 states and 385 transitions. [2020-10-22 01:19:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 01:19:20,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-22 01:19:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:19:20,833 INFO L225 Difference]: With dead ends: 150 [2020-10-22 01:19:20,833 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 01:19:20,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:19:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 01:19:20,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 01:19:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 01:19:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 01:19:20,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-22 01:19:20,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:19:20,834 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 01:19:20,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 01:19:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 01:19:20,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 01:19:20,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-22 01:19:20,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:19:20 BasicIcfg [2020-10-22 01:19:20,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:19:20,839 INFO L168 Benchmark]: Toolchain (without parser) took 25314.66 ms. Allocated memory was 140.0 MB in the beginning and 749.7 MB in the end (delta: 609.7 MB). Free memory was 101.5 MB in the beginning and 603.9 MB in the end (delta: -502.4 MB). Peak memory consumption was 107.3 MB. Max. memory is 7.1 GB. [2020-10-22 01:19:20,840 INFO L168 Benchmark]: CDTParser took 3.22 ms. Allocated memory is still 140.0 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. [2020-10-22 01:19:20,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.50 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 155.3 MB in the end (delta: -54.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:19:20,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 203.4 MB. Free memory was 155.3 MB in the beginning and 152.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:19:20,841 INFO L168 Benchmark]: Boogie Preprocessor took 68.55 ms. Allocated memory is still 203.4 MB. Free memory was 152.6 MB in the beginning and 150.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:19:20,845 INFO L168 Benchmark]: RCFGBuilder took 1209.04 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 149.8 MB in the beginning and 158.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:19:20,850 INFO L168 Benchmark]: TraceAbstraction took 23297.35 ms. Allocated memory was 237.0 MB in the beginning and 749.7 MB in the end (delta: 512.8 MB). Free memory was 157.0 MB in the beginning and 603.9 MB in the end (delta: -446.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:19:20,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.22 ms. Allocated memory is still 140.0 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 652.50 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 155.3 MB in the end (delta: -54.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 203.4 MB. Free memory was 155.3 MB in the beginning and 152.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.55 ms. Allocated memory is still 203.4 MB. Free memory was 152.6 MB in the beginning and 150.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.04 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 149.8 MB in the beginning and 158.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23297.35 ms. Allocated memory was 237.0 MB in the beginning and 749.7 MB in the end (delta: 512.8 MB). Free memory was 157.0 MB in the beginning and 603.9 MB in the end (delta: -446.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5216 VarBasedMoverChecksPositive, 91 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 734 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 161 PlacesBefore, 64 PlacesAfterwards, 175 TransitionsBefore, 73 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 125 TotalNumberOfCompositions, 28994 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: 23.1s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 1730 SDtfs, 3087 SDslu, 4369 SDs, 0 SdLazy, 3101 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 802 GetRequests, 588 SyntacticMatches, 20 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6125occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 9809 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 34302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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...