/usr/bin/java -Xmx16000000000 -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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:22:05,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:22:05,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:22:06,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:22:06,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:22:06,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:22:06,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:22:06,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:22:06,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:22:06,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:22:06,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:22:06,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:22:06,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:22:06,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:22:06,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:22:06,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:22:06,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:22:06,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:22:06,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:22:06,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:22:06,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:22:06,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:22:06,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:22:06,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:22:06,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 20:22:06,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 20:22:06,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 20:22:06,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 20:22:06,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 20:22:06,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 20:22:06,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:22:06,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:22:06,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:22:06,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:22:06,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:22:06,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:22:06,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:22:06,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:22:06,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:22:06,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:22:06,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:22:06,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 20:22:06,068 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:22:06,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:22:06,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:22:06,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:22:06,072 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:22:06,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:22:06,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:22:06,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:22:06,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:22:06,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:22:06,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:22:06,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:22:06,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:22:06,075 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:22:06,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:22:06,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:22:06,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:22:06,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:22:06,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:22:06,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:22:06,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:22:06,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:22:06,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:22:06,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:22:06,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:22:06,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:22:06,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:22:06,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:22:06,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:22:06,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:22:06,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:22:06,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:22:06,412 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:22:06,414 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:22:06,415 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-15 20:22:06,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87bb31b2f/d84efe84c166432b907285b7ce35cfd9/FLAGa987ec408 [2020-10-15 20:22:07,026 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:22:07,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-15 20:22:07,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87bb31b2f/d84efe84c166432b907285b7ce35cfd9/FLAGa987ec408 [2020-10-15 20:22:07,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87bb31b2f/d84efe84c166432b907285b7ce35cfd9 [2020-10-15 20:22:07,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:22:07,317 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:22:07,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:22:07,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:22:07,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:22:07,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:22:07" (1/1) ... [2020-10-15 20:22:07,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4547e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:07, skipping insertion in model container [2020-10-15 20:22:07,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:22:07" (1/1) ... [2020-10-15 20:22:07,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:22:07,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:22:08,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:22:08,028 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:22:08,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:22:08,153 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:22:08,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08 WrapperNode [2020-10-15 20:22:08,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:22:08,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:22:08,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:22:08,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:22:08,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:22:08,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:22:08,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:22:08,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:22:08,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (1/1) ... [2020-10-15 20:22:08,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:22:08,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:22:08,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:22:08,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:22:08,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (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 [2020-10-15 20:22:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-15 20:22:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-15 20:22:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-15 20:22:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-15 20:22:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 20:22:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:22:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-15 20:22:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-15 20:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 20:22:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:22:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:22:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 20:22:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:22:08,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:22:08,334 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 20:22:09,437 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:22:09,437 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-15 20:22:09,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:22:09 BoogieIcfgContainer [2020-10-15 20:22:09,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:22:09,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:22:09,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:22:09,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:22:09,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:22:07" (1/3) ... [2020-10-15 20:22:09,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8eb97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:22:09, skipping insertion in model container [2020-10-15 20:22:09,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:08" (2/3) ... [2020-10-15 20:22:09,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8eb97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:22:09, skipping insertion in model container [2020-10-15 20:22:09,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:22:09" (3/3) ... [2020-10-15 20:22:09,449 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-15 20:22:09,461 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:22:09,462 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:22:09,469 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 20:22:09,470 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:22:09,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,507 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,507 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,507 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,508 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,508 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,508 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,508 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,508 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,509 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,509 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,509 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,510 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,510 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,510 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,510 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,510 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,511 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,511 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,511 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,511 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,511 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,512 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,512 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,512 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,512 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,513 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,513 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,513 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,513 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,513 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,514 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,514 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,514 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,514 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,515 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,516 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,516 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,516 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,516 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,516 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,518 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,519 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,519 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,519 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,519 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,519 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,520 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,521 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,521 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,523 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,523 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,523 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,523 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,523 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,525 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,525 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,526 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,526 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,526 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,526 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,527 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,529 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,529 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,529 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,529 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,530 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,530 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,530 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,530 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,531 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,531 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,531 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,531 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,531 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,532 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,533 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,534 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,534 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,534 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,535 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,535 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,535 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,538 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,538 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,539 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,539 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,539 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,550 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,550 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,551 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,551 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,551 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,551 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,551 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,551 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,552 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,552 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,552 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,552 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,552 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,553 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,559 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,559 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,559 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,559 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,560 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,560 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,560 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,560 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,560 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,561 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,561 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,561 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,561 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,561 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,561 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,562 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,562 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,562 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,562 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,564 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,564 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,564 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,565 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,565 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,565 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:22:09,589 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 20:22:09,608 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:22:09,609 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:22:09,609 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:22:09,609 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:22:09,609 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:22:09,609 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:22:09,609 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:22:09,609 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:22:09,624 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:22:09,627 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-15 20:22:09,630 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-15 20:22:09,632 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2020-10-15 20:22:09,702 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2020-10-15 20:22:09,702 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-15 20:22:09,710 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 23/179 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 447 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 141. Up to 6 conditions per place. [2020-10-15 20:22:09,720 INFO L117 LiptonReduction]: Number of co-enabled transitions 10120 [2020-10-15 20:22:13,719 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-10-15 20:22:13,845 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-15 20:22:14,011 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 20:22:14,139 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 20:22:14,170 INFO L132 LiptonReduction]: Checked pairs total: 28441 [2020-10-15 20:22:14,171 INFO L134 LiptonReduction]: Total number of compositions: 125 [2020-10-15 20:22:14,178 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-15 20:22:14,479 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-15 20:22:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-15 20:22:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 20:22:14,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:14,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:14,501 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]=== [2020-10-15 20:22:14,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:14,508 INFO L82 PathProgramCache]: Analyzing trace with hash -826932197, now seen corresponding path program 1 times [2020-10-15 20:22:14,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:14,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877013828] [2020-10-15 20:22:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:14,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877013828] [2020-10-15 20:22:14,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:14,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:22:14,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232345499] [2020-10-15 20:22:14,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:14,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:14,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:14,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:14,774 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-15 20:22:14,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:14,910 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-15 20:22:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:14,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-15 20:22:14,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:14,975 INFO L225 Difference]: With dead ends: 5823 [2020-10-15 20:22:14,975 INFO L226 Difference]: Without dead ends: 4979 [2020-10-15 20:22:14,977 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 [2020-10-15 20:22:15,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-15 20:22:15,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-15 20:22:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-15 20:22:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-15 20:22:15,330 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-15 20:22:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:15,331 INFO L481 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-15 20:22:15,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-15 20:22:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 20:22:15,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:15,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:15,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:22:15,336 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]=== [2020-10-15 20:22:15,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:15,337 INFO L82 PathProgramCache]: Analyzing trace with hash 140173334, now seen corresponding path program 1 times [2020-10-15 20:22:15,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:15,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854372945] [2020-10-15 20:22:15,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:15,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:15,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854372945] [2020-10-15 20:22:15,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:15,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 20:22:15,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457377889] [2020-10-15 20:22:15,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:15,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:15,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:15,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:15,446 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-15 20:22:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:15,563 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-15 20:22:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:15,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-15 20:22:15,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:15,605 INFO L225 Difference]: With dead ends: 4347 [2020-10-15 20:22:15,605 INFO L226 Difference]: Without dead ends: 4347 [2020-10-15 20:22:15,606 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 [2020-10-15 20:22:15,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-15 20:22:15,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-15 20:22:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-15 20:22:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-15 20:22:15,801 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-15 20:22:15,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:15,802 INFO L481 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-15 20:22:15,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-15 20:22:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 20:22:15,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:15,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:15,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:22:15,806 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]=== [2020-10-15 20:22:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:15,806 INFO L82 PathProgramCache]: Analyzing trace with hash 140173181, now seen corresponding path program 1 times [2020-10-15 20:22:15,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:15,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106492239] [2020-10-15 20:22:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:15,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106492239] [2020-10-15 20:22:15,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:15,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 20:22:15,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166962693] [2020-10-15 20:22:15,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:15,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:15,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:15,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:15,969 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-15 20:22:16,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:16,031 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-15 20:22:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:16,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-15 20:22:16,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:16,070 INFO L225 Difference]: With dead ends: 4252 [2020-10-15 20:22:16,070 INFO L226 Difference]: Without dead ends: 4252 [2020-10-15 20:22:16,071 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 [2020-10-15 20:22:16,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-15 20:22:16,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-15 20:22:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-15 20:22:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-15 20:22:16,229 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-15 20:22:16,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:16,229 INFO L481 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-15 20:22:16,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-15 20:22:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:22:16,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:16,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:16,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 20:22:16,236 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]=== [2020-10-15 20:22:16,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:16,237 INFO L82 PathProgramCache]: Analyzing trace with hash 816585883, now seen corresponding path program 1 times [2020-10-15 20:22:16,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:16,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57629133] [2020-10-15 20:22:16,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:16,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57629133] [2020-10-15 20:22:16,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:16,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:22:16,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975130856] [2020-10-15 20:22:16,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:16,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:16,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:16,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:16,270 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 3 states. [2020-10-15 20:22:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:16,385 INFO L93 Difference]: Finished difference Result 4406 states and 16453 transitions. [2020-10-15 20:22:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:16,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 20:22:16,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:16,418 INFO L225 Difference]: With dead ends: 4406 [2020-10-15 20:22:16,418 INFO L226 Difference]: Without dead ends: 4404 [2020-10-15 20:22:16,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:16,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2020-10-15 20:22:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4338. [2020-10-15 20:22:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2020-10-15 20:22:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 16249 transitions. [2020-10-15 20:22:16,579 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 16249 transitions. Word has length 17 [2020-10-15 20:22:16,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:16,579 INFO L481 AbstractCegarLoop]: Abstraction has 4338 states and 16249 transitions. [2020-10-15 20:22:16,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 16249 transitions. [2020-10-15 20:22:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:22:16,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:16,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:16,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 20:22:16,587 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]=== [2020-10-15 20:22:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:16,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2055196038, now seen corresponding path program 1 times [2020-10-15 20:22:16,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:16,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884144295] [2020-10-15 20:22:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:16,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884144295] [2020-10-15 20:22:16,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:16,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 20:22:16,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208007052] [2020-10-15 20:22:16,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 20:22:16,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:16,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 20:22:16,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:22:16,710 INFO L87 Difference]: Start difference. First operand 4338 states and 16249 transitions. Second operand 6 states. [2020-10-15 20:22:17,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:17,079 INFO L93 Difference]: Finished difference Result 5317 states and 19476 transitions. [2020-10-15 20:22:17,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 20:22:17,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-15 20:22:17,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:17,100 INFO L225 Difference]: With dead ends: 5317 [2020-10-15 20:22:17,100 INFO L226 Difference]: Without dead ends: 5317 [2020-10-15 20:22:17,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:22:17,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-10-15 20:22:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4749. [2020-10-15 20:22:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4749 states. [2020-10-15 20:22:17,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 17702 transitions. [2020-10-15 20:22:17,256 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 17702 transitions. Word has length 17 [2020-10-15 20:22:17,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:17,256 INFO L481 AbstractCegarLoop]: Abstraction has 4749 states and 17702 transitions. [2020-10-15 20:22:17,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 20:22:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 17702 transitions. [2020-10-15 20:22:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:22:17,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:17,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:17,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 20:22:17,264 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]=== [2020-10-15 20:22:17,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:17,265 INFO L82 PathProgramCache]: Analyzing trace with hash 181191796, now seen corresponding path program 2 times [2020-10-15 20:22:17,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:17,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832390343] [2020-10-15 20:22:17,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:17,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832390343] [2020-10-15 20:22:17,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:17,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:22:17,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459093131] [2020-10-15 20:22:17,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:22:17,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:17,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:22:17,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:22:17,343 INFO L87 Difference]: Start difference. First operand 4749 states and 17702 transitions. Second operand 5 states. [2020-10-15 20:22:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:17,483 INFO L93 Difference]: Finished difference Result 6512 states and 23578 transitions. [2020-10-15 20:22:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:22:17,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 20:22:17,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:17,512 INFO L225 Difference]: With dead ends: 6512 [2020-10-15 20:22:17,512 INFO L226 Difference]: Without dead ends: 6512 [2020-10-15 20:22:17,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 20:22:17,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2020-10-15 20:22:17,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 6473. [2020-10-15 20:22:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6473 states. [2020-10-15 20:22:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 23511 transitions. [2020-10-15 20:22:17,732 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 23511 transitions. Word has length 17 [2020-10-15 20:22:17,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:17,732 INFO L481 AbstractCegarLoop]: Abstraction has 6473 states and 23511 transitions. [2020-10-15 20:22:17,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:22:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 23511 transitions. [2020-10-15 20:22:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:22:17,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:17,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:17,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 20:22:17,741 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]=== [2020-10-15 20:22:17,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash 443281263, now seen corresponding path program 1 times [2020-10-15 20:22:17,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:17,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867333836] [2020-10-15 20:22:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:17,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:17,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867333836] [2020-10-15 20:22:17,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:17,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:22:17,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436114333] [2020-10-15 20:22:17,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 20:22:17,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:17,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 20:22:17,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:22:17,786 INFO L87 Difference]: Start difference. First operand 6473 states and 23511 transitions. Second operand 4 states. [2020-10-15 20:22:17,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:17,894 INFO L93 Difference]: Finished difference Result 9062 states and 31848 transitions. [2020-10-15 20:22:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:22:17,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-15 20:22:17,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:17,911 INFO L225 Difference]: With dead ends: 9062 [2020-10-15 20:22:17,911 INFO L226 Difference]: Without dead ends: 4826 [2020-10-15 20:22:17,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:22:17,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-10-15 20:22:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4787. [2020-10-15 20:22:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2020-10-15 20:22:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 15798 transitions. [2020-10-15 20:22:18,039 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 15798 transitions. Word has length 17 [2020-10-15 20:22:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:18,039 INFO L481 AbstractCegarLoop]: Abstraction has 4787 states and 15798 transitions. [2020-10-15 20:22:18,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 20:22:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 15798 transitions. [2020-10-15 20:22:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 20:22:18,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:18,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:18,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 20:22:18,044 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]=== [2020-10-15 20:22:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:18,044 INFO L82 PathProgramCache]: Analyzing trace with hash -60740080, now seen corresponding path program 1 times [2020-10-15 20:22:18,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:18,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110713681] [2020-10-15 20:22:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:18,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110713681] [2020-10-15 20:22:18,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:18,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:22:18,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837000527] [2020-10-15 20:22:18,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:18,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:18,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:18,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:18,088 INFO L87 Difference]: Start difference. First operand 4787 states and 15798 transitions. Second operand 3 states. [2020-10-15 20:22:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:18,221 INFO L93 Difference]: Finished difference Result 4787 states and 15703 transitions. [2020-10-15 20:22:18,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:18,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 20:22:18,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:18,232 INFO L225 Difference]: With dead ends: 4787 [2020-10-15 20:22:18,233 INFO L226 Difference]: Without dead ends: 3413 [2020-10-15 20:22:18,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:18,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2020-10-15 20:22:18,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2769. [2020-10-15 20:22:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-10-15 20:22:18,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 8888 transitions. [2020-10-15 20:22:18,304 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 8888 transitions. Word has length 19 [2020-10-15 20:22:18,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:18,305 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 8888 transitions. [2020-10-15 20:22:18,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 8888 transitions. [2020-10-15 20:22:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 20:22:18,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:18,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:22:18,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 20:22:18,309 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]=== [2020-10-15 20:22:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:18,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1627364503, now seen corresponding path program 1 times [2020-10-15 20:22:18,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:18,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470995576] [2020-10-15 20:22:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:18,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470995576] [2020-10-15 20:22:18,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:18,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:22:18,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654676044] [2020-10-15 20:22:18,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:18,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:18,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:18,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:18,343 INFO L87 Difference]: Start difference. First operand 2769 states and 8888 transitions. Second operand 3 states. [2020-10-15 20:22:18,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:18,373 INFO L93 Difference]: Finished difference Result 2769 states and 8816 transitions. [2020-10-15 20:22:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:18,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 20:22:18,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:18,379 INFO L225 Difference]: With dead ends: 2769 [2020-10-15 20:22:18,379 INFO L226 Difference]: Without dead ends: 1364 [2020-10-15 20:22:18,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:18,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-10-15 20:22:18,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1218. [2020-10-15 20:22:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-15 20:22:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 3285 transitions. [2020-10-15 20:22:18,407 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 3285 transitions. Word has length 19 [2020-10-15 20:22:18,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:18,407 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 3285 transitions. [2020-10-15 20:22:18,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 3285 transitions. [2020-10-15 20:22:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 20:22:18,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:18,410 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] [2020-10-15 20:22:18,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 20:22:18,410 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]=== [2020-10-15 20:22:18,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:18,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1178946213, now seen corresponding path program 1 times [2020-10-15 20:22:18,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:18,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302538790] [2020-10-15 20:22:18,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:18,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302538790] [2020-10-15 20:22:18,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:18,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:22:18,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978377257] [2020-10-15 20:22:18,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:18,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:18,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:18,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:18,439 INFO L87 Difference]: Start difference. First operand 1218 states and 3285 transitions. Second operand 3 states. [2020-10-15 20:22:18,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:18,472 INFO L93 Difference]: Finished difference Result 1506 states and 3996 transitions. [2020-10-15 20:22:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:18,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-15 20:22:18,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:18,478 INFO L225 Difference]: With dead ends: 1506 [2020-10-15 20:22:18,478 INFO L226 Difference]: Without dead ends: 1506 [2020-10-15 20:22:18,478 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 [2020-10-15 20:22:18,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2020-10-15 20:22:18,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1258. [2020-10-15 20:22:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2020-10-15 20:22:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 3388 transitions. [2020-10-15 20:22:18,507 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 3388 transitions. Word has length 22 [2020-10-15 20:22:18,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:18,507 INFO L481 AbstractCegarLoop]: Abstraction has 1258 states and 3388 transitions. [2020-10-15 20:22:18,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 3388 transitions. [2020-10-15 20:22:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 20:22:18,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:18,510 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] [2020-10-15 20:22:18,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 20:22:18,511 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]=== [2020-10-15 20:22:18,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:18,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1178947143, now seen corresponding path program 1 times [2020-10-15 20:22:18,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:18,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075112506] [2020-10-15 20:22:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:18,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075112506] [2020-10-15 20:22:18,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:18,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:22:18,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912148115] [2020-10-15 20:22:18,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:22:18,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:18,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:22:18,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:22:18,555 INFO L87 Difference]: Start difference. First operand 1258 states and 3388 transitions. Second operand 5 states. [2020-10-15 20:22:18,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:18,654 INFO L93 Difference]: Finished difference Result 1646 states and 4241 transitions. [2020-10-15 20:22:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:22:18,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 20:22:18,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:18,660 INFO L225 Difference]: With dead ends: 1646 [2020-10-15 20:22:18,660 INFO L226 Difference]: Without dead ends: 1586 [2020-10-15 20:22:18,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:22:18,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-10-15 20:22:18,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1300. [2020-10-15 20:22:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2020-10-15 20:22:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 3501 transitions. [2020-10-15 20:22:18,689 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 3501 transitions. Word has length 22 [2020-10-15 20:22:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:18,689 INFO L481 AbstractCegarLoop]: Abstraction has 1300 states and 3501 transitions. [2020-10-15 20:22:18,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:22:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 3501 transitions. [2020-10-15 20:22:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 20:22:18,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:18,693 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] [2020-10-15 20:22:18,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 20:22:18,693 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]=== [2020-10-15 20:22:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:18,694 INFO L82 PathProgramCache]: Analyzing trace with hash 412208202, now seen corresponding path program 1 times [2020-10-15 20:22:18,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:18,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169042596] [2020-10-15 20:22:18,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:18,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169042596] [2020-10-15 20:22:18,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:18,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:22:18,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373165741] [2020-10-15 20:22:18,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:22:18,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:18,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:22:18,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:18,724 INFO L87 Difference]: Start difference. First operand 1300 states and 3501 transitions. Second operand 3 states. [2020-10-15 20:22:18,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:18,747 INFO L93 Difference]: Finished difference Result 914 states and 2299 transitions. [2020-10-15 20:22:18,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:22:18,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-15 20:22:18,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:18,751 INFO L225 Difference]: With dead ends: 914 [2020-10-15 20:22:18,751 INFO L226 Difference]: Without dead ends: 914 [2020-10-15 20:22:18,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:22:18,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-15 20:22:18,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 862. [2020-10-15 20:22:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-15 20:22:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2223 transitions. [2020-10-15 20:22:18,769 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2223 transitions. Word has length 22 [2020-10-15 20:22:18,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:18,770 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2223 transitions. [2020-10-15 20:22:18,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:22:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2223 transitions. [2020-10-15 20:22:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 20:22:18,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:18,773 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] [2020-10-15 20:22:18,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 20:22:18,773 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]=== [2020-10-15 20:22:18,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:18,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1525455808, now seen corresponding path program 1 times [2020-10-15 20:22:18,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:18,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253403660] [2020-10-15 20:22:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:18,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253403660] [2020-10-15 20:22:18,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:18,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:22:18,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970913524] [2020-10-15 20:22:18,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:22:18,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:22:18,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:22:18,820 INFO L87 Difference]: Start difference. First operand 862 states and 2223 transitions. Second operand 5 states. [2020-10-15 20:22:18,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:18,902 INFO L93 Difference]: Finished difference Result 919 states and 2443 transitions. [2020-10-15 20:22:18,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 20:22:18,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-15 20:22:18,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:18,905 INFO L225 Difference]: With dead ends: 919 [2020-10-15 20:22:18,906 INFO L226 Difference]: Without dead ends: 908 [2020-10-15 20:22:18,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:22:18,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-15 20:22:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 851. [2020-10-15 20:22:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2020-10-15 20:22:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 2188 transitions. [2020-10-15 20:22:18,923 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 2188 transitions. Word has length 23 [2020-10-15 20:22:18,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:18,924 INFO L481 AbstractCegarLoop]: Abstraction has 851 states and 2188 transitions. [2020-10-15 20:22:18,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:22:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2188 transitions. [2020-10-15 20:22:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 20:22:18,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:18,926 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] [2020-10-15 20:22:18,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 20:22:18,927 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]=== [2020-10-15 20:22:18,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:18,927 INFO L82 PathProgramCache]: Analyzing trace with hash -930235892, now seen corresponding path program 1 times [2020-10-15 20:22:18,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:18,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037740063] [2020-10-15 20:22:18,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:19,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037740063] [2020-10-15 20:22:19,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:19,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 20:22:19,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434038259] [2020-10-15 20:22:19,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 20:22:19,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:19,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 20:22:19,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 20:22:19,005 INFO L87 Difference]: Start difference. First operand 851 states and 2188 transitions. Second operand 8 states. [2020-10-15 20:22:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:19,356 INFO L93 Difference]: Finished difference Result 1011 states and 2580 transitions. [2020-10-15 20:22:19,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 20:22:19,357 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-15 20:22:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:19,360 INFO L225 Difference]: With dead ends: 1011 [2020-10-15 20:22:19,360 INFO L226 Difference]: Without dead ends: 1000 [2020-10-15 20:22:19,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-15 20:22:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-15 20:22:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 874. [2020-10-15 20:22:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-10-15 20:22:19,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 2218 transitions. [2020-10-15 20:22:19,379 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 2218 transitions. Word has length 23 [2020-10-15 20:22:19,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:19,379 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 2218 transitions. [2020-10-15 20:22:19,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 20:22:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2218 transitions. [2020-10-15 20:22:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 20:22:19,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:19,382 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] [2020-10-15 20:22:19,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 20:22:19,383 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]=== [2020-10-15 20:22:19,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:19,383 INFO L82 PathProgramCache]: Analyzing trace with hash 88029372, now seen corresponding path program 2 times [2020-10-15 20:22:19,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:19,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611556816] [2020-10-15 20:22:19,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:19,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611556816] [2020-10-15 20:22:19,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:19,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 20:22:19,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588040911] [2020-10-15 20:22:19,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:22:19,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:19,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:22:19,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:22:19,531 INFO L87 Difference]: Start difference. First operand 874 states and 2218 transitions. Second operand 9 states. [2020-10-15 20:22:20,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:20,096 INFO L93 Difference]: Finished difference Result 944 states and 2445 transitions. [2020-10-15 20:22:20,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 20:22:20,097 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-15 20:22:20,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:20,099 INFO L225 Difference]: With dead ends: 944 [2020-10-15 20:22:20,099 INFO L226 Difference]: Without dead ends: 944 [2020-10-15 20:22:20,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-15 20:22:20,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-15 20:22:20,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 825. [2020-10-15 20:22:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-15 20:22:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 2111 transitions. [2020-10-15 20:22:20,120 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 2111 transitions. Word has length 23 [2020-10-15 20:22:20,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:20,120 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 2111 transitions. [2020-10-15 20:22:20,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:22:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2111 transitions. [2020-10-15 20:22:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 20:22:20,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:20,123 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] [2020-10-15 20:22:20,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 20:22:20,123 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]=== [2020-10-15 20:22:20,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:20,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1259864773, now seen corresponding path program 1 times [2020-10-15 20:22:20,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:20,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607511643] [2020-10-15 20:22:20,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:20,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607511643] [2020-10-15 20:22:20,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:20,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 20:22:20,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335135551] [2020-10-15 20:22:20,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:22:20,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:20,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:22:20,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:22:20,304 INFO L87 Difference]: Start difference. First operand 825 states and 2111 transitions. Second operand 9 states. [2020-10-15 20:22:20,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:20,799 INFO L93 Difference]: Finished difference Result 1139 states and 2886 transitions. [2020-10-15 20:22:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 20:22:20,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-15 20:22:20,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:20,803 INFO L225 Difference]: With dead ends: 1139 [2020-10-15 20:22:20,804 INFO L226 Difference]: Without dead ends: 1139 [2020-10-15 20:22:20,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2020-10-15 20:22:20,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-10-15 20:22:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 916. [2020-10-15 20:22:20,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-10-15 20:22:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 2352 transitions. [2020-10-15 20:22:20,825 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 2352 transitions. Word has length 23 [2020-10-15 20:22:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:20,826 INFO L481 AbstractCegarLoop]: Abstraction has 916 states and 2352 transitions. [2020-10-15 20:22:20,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:22:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2352 transitions. [2020-10-15 20:22:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 20:22:20,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:20,829 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] [2020-10-15 20:22:20,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 20:22:20,830 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]=== [2020-10-15 20:22:20,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:20,830 INFO L82 PathProgramCache]: Analyzing trace with hash 903980331, now seen corresponding path program 2 times [2020-10-15 20:22:20,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:20,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407033233] [2020-10-15 20:22:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:20,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407033233] [2020-10-15 20:22:20,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:20,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 20:22:20,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378326098] [2020-10-15 20:22:20,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:22:20,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:20,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:22:20,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:22:20,929 INFO L87 Difference]: Start difference. First operand 916 states and 2352 transitions. Second operand 9 states. [2020-10-15 20:22:21,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:21,503 INFO L93 Difference]: Finished difference Result 958 states and 2533 transitions. [2020-10-15 20:22:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 20:22:21,507 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-15 20:22:21,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:21,510 INFO L225 Difference]: With dead ends: 958 [2020-10-15 20:22:21,510 INFO L226 Difference]: Without dead ends: 958 [2020-10-15 20:22:21,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-15 20:22:21,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-10-15 20:22:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 800. [2020-10-15 20:22:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-10-15 20:22:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2051 transitions. [2020-10-15 20:22:21,526 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2051 transitions. Word has length 23 [2020-10-15 20:22:21,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:21,527 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 2051 transitions. [2020-10-15 20:22:21,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:22:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2051 transitions. [2020-10-15 20:22:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:21,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:21,529 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] [2020-10-15 20:22:21,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 20:22:21,529 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]=== [2020-10-15 20:22:21,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:21,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1146557510, now seen corresponding path program 1 times [2020-10-15 20:22:21,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:21,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992832664] [2020-10-15 20:22:21,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:21,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992832664] [2020-10-15 20:22:21,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:21,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:22:21,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670667291] [2020-10-15 20:22:21,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 20:22:21,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:21,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 20:22:21,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:22:21,564 INFO L87 Difference]: Start difference. First operand 800 states and 2051 transitions. Second operand 4 states. [2020-10-15 20:22:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:21,629 INFO L93 Difference]: Finished difference Result 947 states and 2484 transitions. [2020-10-15 20:22:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:22:21,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-15 20:22:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:21,632 INFO L225 Difference]: With dead ends: 947 [2020-10-15 20:22:21,632 INFO L226 Difference]: Without dead ends: 901 [2020-10-15 20:22:21,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:22:21,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-15 20:22:21,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 762. [2020-10-15 20:22:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-15 20:22:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1946 transitions. [2020-10-15 20:22:21,652 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1946 transitions. Word has length 28 [2020-10-15 20:22:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:21,652 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1946 transitions. [2020-10-15 20:22:21,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 20:22:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1946 transitions. [2020-10-15 20:22:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:21,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:21,654 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] [2020-10-15 20:22:21,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 20:22:21,655 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]=== [2020-10-15 20:22:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:21,655 INFO L82 PathProgramCache]: Analyzing trace with hash 899824519, now seen corresponding path program 1 times [2020-10-15 20:22:21,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:21,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954322319] [2020-10-15 20:22:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:21,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954322319] [2020-10-15 20:22:21,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:21,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:21,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414845768] [2020-10-15 20:22:21,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:22:21,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:21,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:22:21,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:22:21,715 INFO L87 Difference]: Start difference. First operand 762 states and 1946 transitions. Second operand 7 states. [2020-10-15 20:22:21,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:21,874 INFO L93 Difference]: Finished difference Result 836 states and 2163 transitions. [2020-10-15 20:22:21,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:22:21,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 20:22:21,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:21,877 INFO L225 Difference]: With dead ends: 836 [2020-10-15 20:22:21,877 INFO L226 Difference]: Without dead ends: 739 [2020-10-15 20:22:21,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-15 20:22:21,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-10-15 20:22:21,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 690. [2020-10-15 20:22:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-15 20:22:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1772 transitions. [2020-10-15 20:22:21,889 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1772 transitions. Word has length 28 [2020-10-15 20:22:21,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:21,890 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 1772 transitions. [2020-10-15 20:22:21,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:22:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1772 transitions. [2020-10-15 20:22:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:21,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:21,892 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] [2020-10-15 20:22:21,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 20:22:21,892 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]=== [2020-10-15 20:22:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:21,892 INFO L82 PathProgramCache]: Analyzing trace with hash 418390647, now seen corresponding path program 2 times [2020-10-15 20:22:21,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:21,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360870014] [2020-10-15 20:22:21,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:21,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360870014] [2020-10-15 20:22:21,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:21,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:21,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529100203] [2020-10-15 20:22:21,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:22:21,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:21,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:22:21,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:22:21,958 INFO L87 Difference]: Start difference. First operand 690 states and 1772 transitions. Second operand 7 states. [2020-10-15 20:22:22,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:22,135 INFO L93 Difference]: Finished difference Result 884 states and 2325 transitions. [2020-10-15 20:22:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:22:22,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 20:22:22,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:22,137 INFO L225 Difference]: With dead ends: 884 [2020-10-15 20:22:22,138 INFO L226 Difference]: Without dead ends: 741 [2020-10-15 20:22:22,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-15 20:22:22,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-15 20:22:22,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 632. [2020-10-15 20:22:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-15 20:22:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1625 transitions. [2020-10-15 20:22:22,148 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1625 transitions. Word has length 28 [2020-10-15 20:22:22,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:22,148 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 1625 transitions. [2020-10-15 20:22:22,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:22:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1625 transitions. [2020-10-15 20:22:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:22,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:22,150 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] [2020-10-15 20:22:22,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 20:22:22,150 INFO L429 AbstractCegarLoop]: === Iteration 21 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:22:22,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:22,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1685908442, now seen corresponding path program 1 times [2020-10-15 20:22:22,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:22,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125441920] [2020-10-15 20:22:22,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:22,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125441920] [2020-10-15 20:22:22,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:22,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:22,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749626829] [2020-10-15 20:22:22,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:22:22,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:22,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:22:22,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:22:22,210 INFO L87 Difference]: Start difference. First operand 632 states and 1625 transitions. Second operand 7 states. [2020-10-15 20:22:22,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:22,347 INFO L93 Difference]: Finished difference Result 695 states and 1850 transitions. [2020-10-15 20:22:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:22:22,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 20:22:22,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:22,349 INFO L225 Difference]: With dead ends: 695 [2020-10-15 20:22:22,349 INFO L226 Difference]: Without dead ends: 600 [2020-10-15 20:22:22,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-15 20:22:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-10-15 20:22:22,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 562. [2020-10-15 20:22:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-15 20:22:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1455 transitions. [2020-10-15 20:22:22,360 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1455 transitions. Word has length 28 [2020-10-15 20:22:22,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:22,360 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 1455 transitions. [2020-10-15 20:22:22,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:22:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1455 transitions. [2020-10-15 20:22:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:22,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:22,362 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] [2020-10-15 20:22:22,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 20:22:22,362 INFO L429 AbstractCegarLoop]: === Iteration 22 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:22:22,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:22,363 INFO L82 PathProgramCache]: Analyzing trace with hash -686866746, now seen corresponding path program 2 times [2020-10-15 20:22:22,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:22,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285477958] [2020-10-15 20:22:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:22,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285477958] [2020-10-15 20:22:22,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:22,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:22,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196427076] [2020-10-15 20:22:22,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:22:22,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:22,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:22:22,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:22:22,504 INFO L87 Difference]: Start difference. First operand 562 states and 1455 transitions. Second operand 7 states. [2020-10-15 20:22:22,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:22,696 INFO L93 Difference]: Finished difference Result 759 states and 2045 transitions. [2020-10-15 20:22:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:22:22,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 20:22:22,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:22,698 INFO L225 Difference]: With dead ends: 759 [2020-10-15 20:22:22,698 INFO L226 Difference]: Without dead ends: 538 [2020-10-15 20:22:22,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-15 20:22:22,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-15 20:22:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 464. [2020-10-15 20:22:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-15 20:22:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1177 transitions. [2020-10-15 20:22:22,713 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1177 transitions. Word has length 28 [2020-10-15 20:22:22,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:22,713 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1177 transitions. [2020-10-15 20:22:22,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:22:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1177 transitions. [2020-10-15 20:22:22,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:22,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:22,718 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] [2020-10-15 20:22:22,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 20:22:22,718 INFO L429 AbstractCegarLoop]: === Iteration 23 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:22:22,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:22,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1554648590, now seen corresponding path program 3 times [2020-10-15 20:22:22,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:22,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700055964] [2020-10-15 20:22:22,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:22,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700055964] [2020-10-15 20:22:22,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:22,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:22,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079858485] [2020-10-15 20:22:22,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:22:22,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:22,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:22:22,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:22:22,828 INFO L87 Difference]: Start difference. First operand 464 states and 1177 transitions. Second operand 7 states. [2020-10-15 20:22:23,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:23,021 INFO L93 Difference]: Finished difference Result 538 states and 1357 transitions. [2020-10-15 20:22:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 20:22:23,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 20:22:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:23,023 INFO L225 Difference]: With dead ends: 538 [2020-10-15 20:22:23,023 INFO L226 Difference]: Without dead ends: 453 [2020-10-15 20:22:23,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-15 20:22:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-10-15 20:22:23,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 401. [2020-10-15 20:22:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-15 20:22:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 993 transitions. [2020-10-15 20:22:23,032 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 993 transitions. Word has length 28 [2020-10-15 20:22:23,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:23,033 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 993 transitions. [2020-10-15 20:22:23,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:22:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 993 transitions. [2020-10-15 20:22:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:23,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:23,034 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] [2020-10-15 20:22:23,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 20:22:23,035 INFO L429 AbstractCegarLoop]: === Iteration 24 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:22:23,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:23,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1316107438, now seen corresponding path program 4 times [2020-10-15 20:22:23,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:23,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789825202] [2020-10-15 20:22:23,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:23,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789825202] [2020-10-15 20:22:23,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:23,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:22:23,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016258772] [2020-10-15 20:22:23,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 20:22:23,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:23,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 20:22:23,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:22:23,095 INFO L87 Difference]: Start difference. First operand 401 states and 993 transitions. Second operand 4 states. [2020-10-15 20:22:23,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:23,135 INFO L93 Difference]: Finished difference Result 409 states and 1021 transitions. [2020-10-15 20:22:23,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 20:22:23,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-15 20:22:23,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:23,136 INFO L225 Difference]: With dead ends: 409 [2020-10-15 20:22:23,137 INFO L226 Difference]: Without dead ends: 401 [2020-10-15 20:22:23,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:22:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-15 20:22:23,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 393. [2020-10-15 20:22:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-10-15 20:22:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 965 transitions. [2020-10-15 20:22:23,145 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 965 transitions. Word has length 28 [2020-10-15 20:22:23,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:23,145 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 965 transitions. [2020-10-15 20:22:23,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 20:22:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 965 transitions. [2020-10-15 20:22:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:23,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:23,147 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] [2020-10-15 20:22:23,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 20:22:23,147 INFO L429 AbstractCegarLoop]: === Iteration 25 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:22:23,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:23,147 INFO L82 PathProgramCache]: Analyzing trace with hash -148672596, now seen corresponding path program 1 times [2020-10-15 20:22:23,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:23,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816027929] [2020-10-15 20:22:23,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:23,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816027929] [2020-10-15 20:22:23,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:23,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:23,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155443945] [2020-10-15 20:22:23,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 20:22:23,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:23,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 20:22:23,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:22:23,213 INFO L87 Difference]: Start difference. First operand 393 states and 965 transitions. Second operand 6 states. [2020-10-15 20:22:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:23,336 INFO L93 Difference]: Finished difference Result 415 states and 1058 transitions. [2020-10-15 20:22:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:22:23,337 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-15 20:22:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:23,338 INFO L225 Difference]: With dead ends: 415 [2020-10-15 20:22:23,338 INFO L226 Difference]: Without dead ends: 269 [2020-10-15 20:22:23,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-15 20:22:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-15 20:22:23,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2020-10-15 20:22:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-15 20:22:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 587 transitions. [2020-10-15 20:22:23,342 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 587 transitions. Word has length 28 [2020-10-15 20:22:23,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:23,342 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 587 transitions. [2020-10-15 20:22:23,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 20:22:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 587 transitions. [2020-10-15 20:22:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:23,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:23,343 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] [2020-10-15 20:22:23,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 20:22:23,343 INFO L429 AbstractCegarLoop]: === Iteration 26 === [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]=== [2020-10-15 20:22:23,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:23,344 INFO L82 PathProgramCache]: Analyzing trace with hash 962127783, now seen corresponding path program 3 times [2020-10-15 20:22:23,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:23,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404620121] [2020-10-15 20:22:23,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:23,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404620121] [2020-10-15 20:22:23,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:23,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:23,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781747016] [2020-10-15 20:22:23,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:22:23,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:23,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:22:23,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:22:23,399 INFO L87 Difference]: Start difference. First operand 237 states and 587 transitions. Second operand 7 states. [2020-10-15 20:22:23,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:23,541 INFO L93 Difference]: Finished difference Result 303 states and 753 transitions. [2020-10-15 20:22:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:22:23,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 20:22:23,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:23,542 INFO L225 Difference]: With dead ends: 303 [2020-10-15 20:22:23,543 INFO L226 Difference]: Without dead ends: 230 [2020-10-15 20:22:23,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-15 20:22:23,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-15 20:22:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2020-10-15 20:22:23,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-15 20:22:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 438 transitions. [2020-10-15 20:22:23,548 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 438 transitions. Word has length 28 [2020-10-15 20:22:23,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:23,548 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 438 transitions. [2020-10-15 20:22:23,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:22:23,548 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 438 transitions. [2020-10-15 20:22:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 20:22:23,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:22:23,549 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] [2020-10-15 20:22:23,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 20:22:23,549 INFO L429 AbstractCegarLoop]: === Iteration 27 === [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]=== [2020-10-15 20:22:23,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:22:23,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1602322120, now seen corresponding path program 2 times [2020-10-15 20:22:23,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:22:23,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235856036] [2020-10-15 20:22:23,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:22:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:22:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:22:23,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235856036] [2020-10-15 20:22:23,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:22:23,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 20:22:23,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437696041] [2020-10-15 20:22:23,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 20:22:23,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:22:23,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 20:22:23,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:22:23,590 INFO L87 Difference]: Start difference. First operand 180 states and 438 transitions. Second operand 6 states. [2020-10-15 20:22:23,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:22:23,672 INFO L93 Difference]: Finished difference Result 172 states and 454 transitions. [2020-10-15 20:22:23,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:22:23,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-15 20:22:23,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:22:23,673 INFO L225 Difference]: With dead ends: 172 [2020-10-15 20:22:23,673 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 20:22:23,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-15 20:22:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 20:22:23,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 20:22:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 20:22:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 20:22:23,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-15 20:22:23,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:22:23,674 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 20:22:23,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 20:22:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 20:22:23,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 20:22:23,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 20:22:23,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:22:23 BasicIcfg [2020-10-15 20:22:23,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 20:22:23,680 INFO L168 Benchmark]: Toolchain (without parser) took 16364.07 ms. Allocated memory was 246.4 MB in the beginning and 737.1 MB in the end (delta: 490.7 MB). Free memory was 198.4 MB in the beginning and 416.1 MB in the end (delta: -217.7 MB). Peak memory consumption was 273.0 MB. Max. memory is 14.2 GB. [2020-10-15 20:22:23,681 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 246.4 MB. Free memory was 222.0 MB in the beginning and 221.1 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-15 20:22:23,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.23 ms. Allocated memory was 246.4 MB in the beginning and 297.3 MB in the end (delta: 50.9 MB). Free memory was 198.4 MB in the beginning and 248.0 MB in the end (delta: -49.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 14.2 GB. [2020-10-15 20:22:23,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.73 ms. Allocated memory is still 297.3 MB. Free memory was 248.0 MB in the beginning and 244.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-15 20:22:23,682 INFO L168 Benchmark]: Boogie Preprocessor took 40.12 ms. Allocated memory is still 297.3 MB. Free memory was 244.6 MB in the beginning and 242.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-15 20:22:23,682 INFO L168 Benchmark]: RCFGBuilder took 1178.96 ms. Allocated memory was 297.3 MB in the beginning and 351.8 MB in the end (delta: 54.5 MB). Free memory was 242.9 MB in the beginning and 308.5 MB in the end (delta: -65.6 MB). Peak memory consumption was 99.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:22:23,683 INFO L168 Benchmark]: TraceAbstraction took 14237.34 ms. Allocated memory was 351.8 MB in the beginning and 737.1 MB in the end (delta: 385.4 MB). Free memory was 308.5 MB in the beginning and 416.1 MB in the end (delta: -107.6 MB). Peak memory consumption was 277.8 MB. Max. memory is 14.2 GB. [2020-10-15 20:22:23,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 246.4 MB. Free memory was 222.0 MB in the beginning and 221.1 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 836.23 ms. Allocated memory was 246.4 MB in the beginning and 297.3 MB in the end (delta: 50.9 MB). Free memory was 198.4 MB in the beginning and 248.0 MB in the end (delta: -49.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 65.73 ms. Allocated memory is still 297.3 MB. Free memory was 248.0 MB in the beginning and 244.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.12 ms. Allocated memory is still 297.3 MB. Free memory was 244.6 MB in the beginning and 242.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1178.96 ms. Allocated memory was 297.3 MB in the beginning and 351.8 MB in the end (delta: 54.5 MB). Free memory was 242.9 MB in the beginning and 308.5 MB in the end (delta: -65.6 MB). Peak memory consumption was 99.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 14237.34 ms. Allocated memory was 351.8 MB in the beginning and 737.1 MB in the end (delta: 385.4 MB). Free memory was 308.5 MB in the beginning and 416.1 MB in the end (delta: -107.6 MB). Peak memory consumption was 277.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7130 VarBasedMoverChecksPositive, 152 VarBasedMoverChecksNegative, 37 SemBasedMoverChecksPositive, 115 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 1186 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 157 PlacesBefore, 66 PlacesAfterwards, 171 TransitionsBefore, 76 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 125 TotalNumberOfCompositions, 28441 MoverChecksTotal - PositiveResult [Line: 701]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 708]: 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, 148 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.0s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 2091 SDtfs, 2589 SDslu, 4024 SDs, 0 SdLazy, 3117 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6473occurred 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, 27 MinimizatonAttempts, 3859 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 605 NumberOfCodeBlocks, 605 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 55710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 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...