/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 16:43:04,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 16:43:04,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 16:43:05,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 16:43:05,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 16:43:05,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 16:43:05,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 16:43:05,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 16:43:05,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 16:43:05,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 16:43:05,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 16:43:05,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 16:43:05,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 16:43:05,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 16:43:05,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 16:43:05,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 16:43:05,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 16:43:05,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 16:43:05,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 16:43:05,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 16:43:05,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 16:43:05,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 16:43:05,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 16:43:05,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 16:43:05,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 16:43:05,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 16:43:05,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 16:43:05,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 16:43:05,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 16:43:05,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 16:43:05,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 16:43:05,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 16:43:05,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 16:43:05,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 16:43:05,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 16:43:05,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 16:43:05,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 16:43:05,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 16:43:05,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 16:43:05,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 16:43:05,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 16:43:05,064 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 16:43:05,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 16:43:05,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 16:43:05,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 16:43:05,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 16:43:05,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 16:43:05,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 16:43:05,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 16:43:05,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 16:43:05,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 16:43:05,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 16:43:05,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 16:43:05,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 16:43:05,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 16:43:05,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 16:43:05,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 16:43:05,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 16:43:05,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 16:43:05,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 16:43:05,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 16:43:05,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 16:43:05,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 16:43:05,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 16:43:05,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 16:43:05,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 16:43:05,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 16:43:05,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 16:43:05,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 16:43:05,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 16:43:05,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 16:43:05,381 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 16:43:05,382 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-15 16:43:05,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26abbdbd/09f7c615148d425693b1864cfbeb860f/FLAG546e451c0 [2020-10-15 16:43:05,995 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 16:43:05,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-15 16:43:06,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26abbdbd/09f7c615148d425693b1864cfbeb860f/FLAG546e451c0 [2020-10-15 16:43:06,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26abbdbd/09f7c615148d425693b1864cfbeb860f [2020-10-15 16:43:06,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 16:43:06,345 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 16:43:06,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 16:43:06,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 16:43:06,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 16:43:06,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:06" (1/1) ... [2020-10-15 16:43:06,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b72f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:06, skipping insertion in model container [2020-10-15 16:43:06,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:43:06" (1/1) ... [2020-10-15 16:43:06,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 16:43:06,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 16:43:06,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:43:06,961 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 16:43:07,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:43:07,091 INFO L208 MainTranslator]: Completed translation [2020-10-15 16:43:07,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07 WrapperNode [2020-10-15 16:43:07,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 16:43:07,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 16:43:07,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 16:43:07,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 16:43:07,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 16:43:07,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 16:43:07,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 16:43:07,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 16:43:07,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (1/1) ... [2020-10-15 16:43:07,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 16:43:07,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 16:43:07,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 16:43:07,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 16:43:07,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (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 16:43:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-15 16:43:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-15 16:43:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-15 16:43:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-15 16:43:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 16:43:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 16:43:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-15 16:43:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-15 16:43:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 16:43:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 16:43:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 16:43:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 16:43:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 16:43:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 16:43:07,283 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 16:43:08,452 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 16:43:08,453 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-15 16:43:08,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:08 BoogieIcfgContainer [2020-10-15 16:43:08,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 16:43:08,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 16:43:08,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 16:43:08,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 16:43:08,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:43:06" (1/3) ... [2020-10-15 16:43:08,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402f9dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:43:08, skipping insertion in model container [2020-10-15 16:43:08,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:43:07" (2/3) ... [2020-10-15 16:43:08,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402f9dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:43:08, skipping insertion in model container [2020-10-15 16:43:08,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:43:08" (3/3) ... [2020-10-15 16:43:08,464 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-15 16:43:08,476 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 16:43:08,476 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 16:43:08,484 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 16:43:08,485 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 16:43:08,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,522 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,522 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,522 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,523 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,523 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,523 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,523 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,523 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,524 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,524 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,525 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,526 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,526 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,529 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,529 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,530 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,530 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,530 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,530 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,531 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,531 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,531 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,531 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,532 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,532 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,533 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,534 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,534 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,534 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,534 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,539 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,539 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,539 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,540 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,541 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,542 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,542 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,542 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,544 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,544 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,544 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,544 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,544 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,545 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,545 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,545 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,545 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,545 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,546 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,546 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,546 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,546 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,546 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,547 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,548 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,548 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,548 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,549 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,549 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,550 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,550 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,550 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,551 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,551 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,551 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,551 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,551 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,552 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,552 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,552 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,552 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,552 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,553 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,553 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,554 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,554 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,554 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,554 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,555 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,555 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,555 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,555 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,555 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,555 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,555 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,556 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,556 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,556 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,556 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,556 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,557 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,557 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,557 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,557 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,557 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,558 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,558 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,558 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,558 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,558 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,559 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,559 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,563 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,563 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,564 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,564 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,564 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,564 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,564 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,567 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,567 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,568 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,568 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,568 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,568 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,569 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,569 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,570 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,574 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,575 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,576 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,576 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,576 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,576 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,576 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,576 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,577 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,579 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,579 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,580 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,580 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,580 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,580 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,580 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,581 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,582 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:43:08,583 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 16:43:08,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 16:43:08,634 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 16:43:08,634 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 16:43:08,634 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 16:43:08,635 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 16:43:08,635 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 16:43:08,635 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 16:43:08,635 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 16:43:08,635 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 16:43:08,652 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 16:43:08,655 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-15 16:43:08,658 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-15 16:43:08,660 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2020-10-15 16:43:08,737 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2020-10-15 16:43:08,737 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-15 16:43:08,748 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 16:43:08,761 INFO L117 LiptonReduction]: Number of co-enabled transitions 10120 [2020-10-15 16:43:12,171 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-15 16:43:12,608 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-10-15 16:43:12,720 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-15 16:43:12,875 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 16:43:12,995 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 16:43:13,028 INFO L132 LiptonReduction]: Checked pairs total: 28441 [2020-10-15 16:43:13,028 INFO L134 LiptonReduction]: Total number of compositions: 125 [2020-10-15 16:43:13,035 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-15 16:43:13,318 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-15 16:43:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-15 16:43:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 16:43:13,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:13,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:43:13,340 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 16:43:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash -826932197, now seen corresponding path program 1 times [2020-10-15 16:43:13,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:13,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100666764] [2020-10-15 16:43:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:43:13,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100666764] [2020-10-15 16:43:13,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:13,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:43:13,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960634741] [2020-10-15 16:43:13,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:13,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:13,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:13,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:13,612 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-15 16:43:13,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:13,828 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-15 16:43:13,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:13,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-15 16:43:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:13,907 INFO L225 Difference]: With dead ends: 5823 [2020-10-15 16:43:13,907 INFO L226 Difference]: Without dead ends: 4979 [2020-10-15 16:43:13,908 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 16:43:13,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-15 16:43:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-15 16:43:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-15 16:43:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-15 16:43:14,211 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-15 16:43:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:14,219 INFO L481 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-15 16:43:14,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-15 16:43:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 16:43:14,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:14,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:43:14,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 16:43:14,225 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 16:43:14,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:14,225 INFO L82 PathProgramCache]: Analyzing trace with hash 140173334, now seen corresponding path program 1 times [2020-10-15 16:43:14,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:14,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678602574] [2020-10-15 16:43:14,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:14,367 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 16:43:14,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678602574] [2020-10-15 16:43:14,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:14,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 16:43:14,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075141264] [2020-10-15 16:43:14,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:14,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:14,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:14,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:14,371 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-15 16:43:14,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:14,455 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-15 16:43:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:14,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-15 16:43:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:14,498 INFO L225 Difference]: With dead ends: 4347 [2020-10-15 16:43:14,498 INFO L226 Difference]: Without dead ends: 4347 [2020-10-15 16:43:14,499 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 16:43:14,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-15 16:43:14,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-15 16:43:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-15 16:43:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-15 16:43:14,688 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-15 16:43:14,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:14,689 INFO L481 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-15 16:43:14,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-15 16:43:14,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 16:43:14,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:14,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:43:14,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 16:43:14,693 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 16:43:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:14,694 INFO L82 PathProgramCache]: Analyzing trace with hash 140173181, now seen corresponding path program 1 times [2020-10-15 16:43:14,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:14,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429248349] [2020-10-15 16:43:14,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:14,767 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 16:43:14,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429248349] [2020-10-15 16:43:14,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:14,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 16:43:14,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952681272] [2020-10-15 16:43:14,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:14,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:14,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:14,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:14,770 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-15 16:43:14,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:14,836 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-15 16:43:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:14,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-15 16:43:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:14,877 INFO L225 Difference]: With dead ends: 4252 [2020-10-15 16:43:14,878 INFO L226 Difference]: Without dead ends: 4252 [2020-10-15 16:43:14,878 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 16:43:14,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-15 16:43:15,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-15 16:43:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-15 16:43:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-15 16:43:15,032 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-15 16:43:15,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:15,033 INFO L481 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-15 16:43:15,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-15 16:43:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 16:43:15,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:15,040 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 16:43:15,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 16:43:15,041 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 16:43:15,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:15,041 INFO L82 PathProgramCache]: Analyzing trace with hash 816585883, now seen corresponding path program 1 times [2020-10-15 16:43:15,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:15,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326741962] [2020-10-15 16:43:15,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:15,079 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 16:43:15,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326741962] [2020-10-15 16:43:15,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:15,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:43:15,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671965993] [2020-10-15 16:43:15,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:15,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:15,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:15,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:15,085 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 3 states. [2020-10-15 16:43:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:15,207 INFO L93 Difference]: Finished difference Result 4406 states and 16453 transitions. [2020-10-15 16:43:15,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:15,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 16:43:15,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:15,250 INFO L225 Difference]: With dead ends: 4406 [2020-10-15 16:43:15,251 INFO L226 Difference]: Without dead ends: 4404 [2020-10-15 16:43:15,251 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 16:43:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2020-10-15 16:43:15,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4338. [2020-10-15 16:43:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2020-10-15 16:43:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 16249 transitions. [2020-10-15 16:43:15,496 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 16249 transitions. Word has length 17 [2020-10-15 16:43:15,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:15,498 INFO L481 AbstractCegarLoop]: Abstraction has 4338 states and 16249 transitions. [2020-10-15 16:43:15,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 16249 transitions. [2020-10-15 16:43:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 16:43:15,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:15,505 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 16:43:15,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 16:43:15,506 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 16:43:15,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:15,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2055196038, now seen corresponding path program 1 times [2020-10-15 16:43:15,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:15,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625433542] [2020-10-15 16:43:15,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:15,630 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 16:43:15,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625433542] [2020-10-15 16:43:15,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:15,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 16:43:15,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280440930] [2020-10-15 16:43:15,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 16:43:15,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:15,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 16:43:15,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 16:43:15,634 INFO L87 Difference]: Start difference. First operand 4338 states and 16249 transitions. Second operand 6 states. [2020-10-15 16:43:15,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:15,931 INFO L93 Difference]: Finished difference Result 5317 states and 19476 transitions. [2020-10-15 16:43:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 16:43:15,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-15 16:43:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:15,953 INFO L225 Difference]: With dead ends: 5317 [2020-10-15 16:43:15,954 INFO L226 Difference]: Without dead ends: 5317 [2020-10-15 16:43:15,954 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 16:43:15,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-10-15 16:43:16,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4749. [2020-10-15 16:43:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4749 states. [2020-10-15 16:43:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 17702 transitions. [2020-10-15 16:43:16,106 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 17702 transitions. Word has length 17 [2020-10-15 16:43:16,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:16,106 INFO L481 AbstractCegarLoop]: Abstraction has 4749 states and 17702 transitions. [2020-10-15 16:43:16,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 16:43:16,107 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 17702 transitions. [2020-10-15 16:43:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 16:43:16,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:16,115 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 16:43:16,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 16:43:16,115 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 16:43:16,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:16,115 INFO L82 PathProgramCache]: Analyzing trace with hash 181191796, now seen corresponding path program 2 times [2020-10-15 16:43:16,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:16,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681910059] [2020-10-15 16:43:16,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:16,242 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 16:43:16,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681910059] [2020-10-15 16:43:16,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:16,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:43:16,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348196867] [2020-10-15 16:43:16,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 16:43:16,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:16,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 16:43:16,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 16:43:16,244 INFO L87 Difference]: Start difference. First operand 4749 states and 17702 transitions. Second operand 5 states. [2020-10-15 16:43:16,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:16,441 INFO L93 Difference]: Finished difference Result 6512 states and 23578 transitions. [2020-10-15 16:43:16,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 16:43:16,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 16:43:16,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:16,468 INFO L225 Difference]: With dead ends: 6512 [2020-10-15 16:43:16,468 INFO L226 Difference]: Without dead ends: 6512 [2020-10-15 16:43:16,469 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 16:43:16,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2020-10-15 16:43:16,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 6473. [2020-10-15 16:43:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6473 states. [2020-10-15 16:43:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 23511 transitions. [2020-10-15 16:43:16,813 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 23511 transitions. Word has length 17 [2020-10-15 16:43:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:16,813 INFO L481 AbstractCegarLoop]: Abstraction has 6473 states and 23511 transitions. [2020-10-15 16:43:16,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 16:43:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 23511 transitions. [2020-10-15 16:43:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 16:43:16,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:16,824 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 16:43:16,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 16:43:16,824 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 16:43:16,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:16,825 INFO L82 PathProgramCache]: Analyzing trace with hash 443281263, now seen corresponding path program 1 times [2020-10-15 16:43:16,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:16,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260765711] [2020-10-15 16:43:16,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:16,906 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 16:43:16,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260765711] [2020-10-15 16:43:16,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:16,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:43:16,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656552040] [2020-10-15 16:43:16,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 16:43:16,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:16,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 16:43:16,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 16:43:16,910 INFO L87 Difference]: Start difference. First operand 6473 states and 23511 transitions. Second operand 4 states. [2020-10-15 16:43:17,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:17,028 INFO L93 Difference]: Finished difference Result 9062 states and 31848 transitions. [2020-10-15 16:43:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 16:43:17,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-15 16:43:17,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:17,049 INFO L225 Difference]: With dead ends: 9062 [2020-10-15 16:43:17,050 INFO L226 Difference]: Without dead ends: 4826 [2020-10-15 16:43:17,051 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 16:43:17,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-10-15 16:43:17,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4787. [2020-10-15 16:43:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2020-10-15 16:43:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 15798 transitions. [2020-10-15 16:43:17,207 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 15798 transitions. Word has length 17 [2020-10-15 16:43:17,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:17,208 INFO L481 AbstractCegarLoop]: Abstraction has 4787 states and 15798 transitions. [2020-10-15 16:43:17,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 16:43:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 15798 transitions. [2020-10-15 16:43:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 16:43:17,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:17,213 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 16:43:17,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 16:43:17,213 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 16:43:17,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:17,215 INFO L82 PathProgramCache]: Analyzing trace with hash -60740080, now seen corresponding path program 1 times [2020-10-15 16:43:17,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:17,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935130946] [2020-10-15 16:43:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:17,297 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 16:43:17,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935130946] [2020-10-15 16:43:17,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:17,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:43:17,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096625072] [2020-10-15 16:43:17,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:17,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:17,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:17,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:17,301 INFO L87 Difference]: Start difference. First operand 4787 states and 15798 transitions. Second operand 3 states. [2020-10-15 16:43:17,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:17,342 INFO L93 Difference]: Finished difference Result 4787 states and 15703 transitions. [2020-10-15 16:43:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:17,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 16:43:17,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:17,355 INFO L225 Difference]: With dead ends: 4787 [2020-10-15 16:43:17,355 INFO L226 Difference]: Without dead ends: 3413 [2020-10-15 16:43:17,360 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 16:43:17,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2020-10-15 16:43:17,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2769. [2020-10-15 16:43:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-10-15 16:43:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 8888 transitions. [2020-10-15 16:43:17,442 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 8888 transitions. Word has length 19 [2020-10-15 16:43:17,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:17,442 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 8888 transitions. [2020-10-15 16:43:17,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 8888 transitions. [2020-10-15 16:43:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 16:43:17,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:17,447 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 16:43:17,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 16:43:17,448 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 16:43:17,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:17,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1627364503, now seen corresponding path program 1 times [2020-10-15 16:43:17,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:17,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321578740] [2020-10-15 16:43:17,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:17,497 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 16:43:17,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321578740] [2020-10-15 16:43:17,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:17,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:43:17,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973625872] [2020-10-15 16:43:17,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:17,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:17,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:17,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:17,500 INFO L87 Difference]: Start difference. First operand 2769 states and 8888 transitions. Second operand 3 states. [2020-10-15 16:43:17,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:17,534 INFO L93 Difference]: Finished difference Result 2769 states and 8816 transitions. [2020-10-15 16:43:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:17,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 16:43:17,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:17,539 INFO L225 Difference]: With dead ends: 2769 [2020-10-15 16:43:17,539 INFO L226 Difference]: Without dead ends: 1364 [2020-10-15 16:43:17,540 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 16:43:17,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-10-15 16:43:17,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1218. [2020-10-15 16:43:17,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-15 16:43:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 3285 transitions. [2020-10-15 16:43:17,568 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 3285 transitions. Word has length 19 [2020-10-15 16:43:17,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:17,571 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 3285 transitions. [2020-10-15 16:43:17,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 3285 transitions. [2020-10-15 16:43:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 16:43:17,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:17,574 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 16:43:17,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 16:43:17,574 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 16:43:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:17,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1178946213, now seen corresponding path program 1 times [2020-10-15 16:43:17,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:17,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220645964] [2020-10-15 16:43:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:17,615 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 16:43:17,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220645964] [2020-10-15 16:43:17,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:17,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:43:17,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65188512] [2020-10-15 16:43:17,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:17,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:17,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:17,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:17,617 INFO L87 Difference]: Start difference. First operand 1218 states and 3285 transitions. Second operand 3 states. [2020-10-15 16:43:17,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:17,658 INFO L93 Difference]: Finished difference Result 1506 states and 3996 transitions. [2020-10-15 16:43:17,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:17,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-15 16:43:17,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:17,662 INFO L225 Difference]: With dead ends: 1506 [2020-10-15 16:43:17,662 INFO L226 Difference]: Without dead ends: 1506 [2020-10-15 16:43:17,663 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 16:43:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2020-10-15 16:43:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1258. [2020-10-15 16:43:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2020-10-15 16:43:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 3388 transitions. [2020-10-15 16:43:17,692 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 3388 transitions. Word has length 22 [2020-10-15 16:43:17,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:17,693 INFO L481 AbstractCegarLoop]: Abstraction has 1258 states and 3388 transitions. [2020-10-15 16:43:17,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 3388 transitions. [2020-10-15 16:43:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 16:43:17,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:17,697 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 16:43:17,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 16:43:17,697 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 16:43:17,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:17,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1178947143, now seen corresponding path program 1 times [2020-10-15 16:43:17,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:17,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366872024] [2020-10-15 16:43:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:17,759 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 16:43:17,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366872024] [2020-10-15 16:43:17,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:17,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 16:43:17,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126008086] [2020-10-15 16:43:17,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 16:43:17,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:17,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 16:43:17,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 16:43:17,762 INFO L87 Difference]: Start difference. First operand 1258 states and 3388 transitions. Second operand 5 states. [2020-10-15 16:43:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:17,880 INFO L93 Difference]: Finished difference Result 1646 states and 4241 transitions. [2020-10-15 16:43:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 16:43:17,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 16:43:17,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:17,884 INFO L225 Difference]: With dead ends: 1646 [2020-10-15 16:43:17,885 INFO L226 Difference]: Without dead ends: 1586 [2020-10-15 16:43:17,885 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 16:43:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-10-15 16:43:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1300. [2020-10-15 16:43:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2020-10-15 16:43:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 3501 transitions. [2020-10-15 16:43:17,914 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 3501 transitions. Word has length 22 [2020-10-15 16:43:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:17,914 INFO L481 AbstractCegarLoop]: Abstraction has 1300 states and 3501 transitions. [2020-10-15 16:43:17,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 16:43:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 3501 transitions. [2020-10-15 16:43:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 16:43:17,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:17,917 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 16:43:17,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 16:43:17,918 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 16:43:17,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:17,918 INFO L82 PathProgramCache]: Analyzing trace with hash 412208202, now seen corresponding path program 1 times [2020-10-15 16:43:17,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:17,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236141715] [2020-10-15 16:43:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:17,948 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 16:43:17,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236141715] [2020-10-15 16:43:17,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:17,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:43:17,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199401528] [2020-10-15 16:43:17,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:43:17,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:17,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:43:17,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:43:17,951 INFO L87 Difference]: Start difference. First operand 1300 states and 3501 transitions. Second operand 3 states. [2020-10-15 16:43:17,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:17,976 INFO L93 Difference]: Finished difference Result 914 states and 2299 transitions. [2020-10-15 16:43:17,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:43:17,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-15 16:43:17,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:17,978 INFO L225 Difference]: With dead ends: 914 [2020-10-15 16:43:17,978 INFO L226 Difference]: Without dead ends: 914 [2020-10-15 16:43:17,979 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 16:43:17,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-15 16:43:17,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 862. [2020-10-15 16:43:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-15 16:43:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2223 transitions. [2020-10-15 16:43:17,995 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2223 transitions. Word has length 22 [2020-10-15 16:43:17,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:17,996 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2223 transitions. [2020-10-15 16:43:17,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:43:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2223 transitions. [2020-10-15 16:43:17,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 16:43:17,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:17,998 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 16:43:17,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 16:43:17,999 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 16:43:17,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:17,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1525455808, now seen corresponding path program 1 times [2020-10-15 16:43:17,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:17,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36173004] [2020-10-15 16:43:18,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:18,043 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 16:43:18,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36173004] [2020-10-15 16:43:18,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:18,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 16:43:18,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700471859] [2020-10-15 16:43:18,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 16:43:18,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:18,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 16:43:18,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 16:43:18,045 INFO L87 Difference]: Start difference. First operand 862 states and 2223 transitions. Second operand 5 states. [2020-10-15 16:43:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:18,136 INFO L93 Difference]: Finished difference Result 919 states and 2443 transitions. [2020-10-15 16:43:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 16:43:18,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-15 16:43:18,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:18,139 INFO L225 Difference]: With dead ends: 919 [2020-10-15 16:43:18,139 INFO L226 Difference]: Without dead ends: 908 [2020-10-15 16:43:18,139 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 16:43:18,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-15 16:43:18,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 851. [2020-10-15 16:43:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2020-10-15 16:43:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 2188 transitions. [2020-10-15 16:43:18,160 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 2188 transitions. Word has length 23 [2020-10-15 16:43:18,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:18,160 INFO L481 AbstractCegarLoop]: Abstraction has 851 states and 2188 transitions. [2020-10-15 16:43:18,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 16:43:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2188 transitions. [2020-10-15 16:43:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 16:43:18,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:18,163 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 16:43:18,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 16:43:18,164 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 16:43:18,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:18,164 INFO L82 PathProgramCache]: Analyzing trace with hash -930235892, now seen corresponding path program 1 times [2020-10-15 16:43:18,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:18,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496335085] [2020-10-15 16:43:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:18,334 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 16:43:18,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496335085] [2020-10-15 16:43:18,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:18,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 16:43:18,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918191030] [2020-10-15 16:43:18,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 16:43:18,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:18,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 16:43:18,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 16:43:18,336 INFO L87 Difference]: Start difference. First operand 851 states and 2188 transitions. Second operand 8 states. [2020-10-15 16:43:18,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:18,751 INFO L93 Difference]: Finished difference Result 1011 states and 2580 transitions. [2020-10-15 16:43:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 16:43:18,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-15 16:43:18,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:18,755 INFO L225 Difference]: With dead ends: 1011 [2020-10-15 16:43:18,756 INFO L226 Difference]: Without dead ends: 1000 [2020-10-15 16:43:18,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-15 16:43:18,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-15 16:43:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 874. [2020-10-15 16:43:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-10-15 16:43:18,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 2218 transitions. [2020-10-15 16:43:18,774 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 2218 transitions. Word has length 23 [2020-10-15 16:43:18,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:18,775 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 2218 transitions. [2020-10-15 16:43:18,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 16:43:18,775 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2218 transitions. [2020-10-15 16:43:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 16:43:18,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:18,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:43:18,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 16:43:18,778 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 16:43:18,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:18,778 INFO L82 PathProgramCache]: Analyzing trace with hash 88029372, now seen corresponding path program 2 times [2020-10-15 16:43:18,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:18,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011758275] [2020-10-15 16:43:18,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:18,889 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 16:43:18,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011758275] [2020-10-15 16:43:18,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:18,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 16:43:18,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434020018] [2020-10-15 16:43:18,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 16:43:18,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:18,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 16:43:18,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:43:18,891 INFO L87 Difference]: Start difference. First operand 874 states and 2218 transitions. Second operand 9 states. [2020-10-15 16:43:19,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:19,502 INFO L93 Difference]: Finished difference Result 944 states and 2445 transitions. [2020-10-15 16:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 16:43:19,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-15 16:43:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:19,504 INFO L225 Difference]: With dead ends: 944 [2020-10-15 16:43:19,504 INFO L226 Difference]: Without dead ends: 944 [2020-10-15 16:43:19,505 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 16:43:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-15 16:43:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 825. [2020-10-15 16:43:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-15 16:43:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 2111 transitions. [2020-10-15 16:43:19,522 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 2111 transitions. Word has length 23 [2020-10-15 16:43:19,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:19,523 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 2111 transitions. [2020-10-15 16:43:19,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 16:43:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2111 transitions. [2020-10-15 16:43:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 16:43:19,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:19,525 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 16:43:19,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 16:43:19,525 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 16:43:19,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:19,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1259864773, now seen corresponding path program 1 times [2020-10-15 16:43:19,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:19,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851063127] [2020-10-15 16:43:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:19,624 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 16:43:19,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851063127] [2020-10-15 16:43:19,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:19,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 16:43:19,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653681191] [2020-10-15 16:43:19,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 16:43:19,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:19,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 16:43:19,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:43:19,626 INFO L87 Difference]: Start difference. First operand 825 states and 2111 transitions. Second operand 9 states. [2020-10-15 16:43:20,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:20,153 INFO L93 Difference]: Finished difference Result 1139 states and 2886 transitions. [2020-10-15 16:43:20,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 16:43:20,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-15 16:43:20,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:20,156 INFO L225 Difference]: With dead ends: 1139 [2020-10-15 16:43:20,157 INFO L226 Difference]: Without dead ends: 1139 [2020-10-15 16:43:20,157 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 16:43:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-10-15 16:43:20,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 916. [2020-10-15 16:43:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-10-15 16:43:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 2352 transitions. [2020-10-15 16:43:20,176 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 2352 transitions. Word has length 23 [2020-10-15 16:43:20,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:20,177 INFO L481 AbstractCegarLoop]: Abstraction has 916 states and 2352 transitions. [2020-10-15 16:43:20,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 16:43:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2352 transitions. [2020-10-15 16:43:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 16:43:20,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:20,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:43:20,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 16:43:20,179 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 16:43:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:20,180 INFO L82 PathProgramCache]: Analyzing trace with hash 903980331, now seen corresponding path program 2 times [2020-10-15 16:43:20,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:20,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510828110] [2020-10-15 16:43:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:20,283 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 16:43:20,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510828110] [2020-10-15 16:43:20,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:20,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 16:43:20,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738023984] [2020-10-15 16:43:20,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 16:43:20,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:20,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 16:43:20,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:43:20,285 INFO L87 Difference]: Start difference. First operand 916 states and 2352 transitions. Second operand 9 states. [2020-10-15 16:43:20,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:20,982 INFO L93 Difference]: Finished difference Result 958 states and 2533 transitions. [2020-10-15 16:43:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 16:43:20,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-15 16:43:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:20,984 INFO L225 Difference]: With dead ends: 958 [2020-10-15 16:43:20,985 INFO L226 Difference]: Without dead ends: 958 [2020-10-15 16:43:20,985 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 16:43:20,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-10-15 16:43:20,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 800. [2020-10-15 16:43:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-10-15 16:43:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2051 transitions. [2020-10-15 16:43:21,000 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2051 transitions. Word has length 23 [2020-10-15 16:43:21,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:21,000 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 2051 transitions. [2020-10-15 16:43:21,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 16:43:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2051 transitions. [2020-10-15 16:43:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:21,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:21,002 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 16:43:21,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 16:43:21,003 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 16:43:21,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:21,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1146557510, now seen corresponding path program 1 times [2020-10-15 16:43:21,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:21,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093201481] [2020-10-15 16:43:21,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:21,041 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 16:43:21,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093201481] [2020-10-15 16:43:21,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:21,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:43:21,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559035554] [2020-10-15 16:43:21,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 16:43:21,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:21,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 16:43:21,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 16:43:21,044 INFO L87 Difference]: Start difference. First operand 800 states and 2051 transitions. Second operand 4 states. [2020-10-15 16:43:21,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:21,099 INFO L93 Difference]: Finished difference Result 947 states and 2484 transitions. [2020-10-15 16:43:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 16:43:21,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-15 16:43:21,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:21,101 INFO L225 Difference]: With dead ends: 947 [2020-10-15 16:43:21,101 INFO L226 Difference]: Without dead ends: 901 [2020-10-15 16:43:21,102 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 16:43:21,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-15 16:43:21,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 762. [2020-10-15 16:43:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-15 16:43:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1946 transitions. [2020-10-15 16:43:21,117 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1946 transitions. Word has length 28 [2020-10-15 16:43:21,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:21,117 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1946 transitions. [2020-10-15 16:43:21,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 16:43:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1946 transitions. [2020-10-15 16:43:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:21,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:21,119 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 16:43:21,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 16:43:21,120 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 16:43:21,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:21,120 INFO L82 PathProgramCache]: Analyzing trace with hash 899824519, now seen corresponding path program 1 times [2020-10-15 16:43:21,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:21,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389737943] [2020-10-15 16:43:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:21,218 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 16:43:21,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389737943] [2020-10-15 16:43:21,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:21,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:21,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773117474] [2020-10-15 16:43:21,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:43:21,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:21,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:43:21,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:43:21,221 INFO L87 Difference]: Start difference. First operand 762 states and 1946 transitions. Second operand 7 states. [2020-10-15 16:43:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:21,427 INFO L93 Difference]: Finished difference Result 836 states and 2163 transitions. [2020-10-15 16:43:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 16:43:21,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 16:43:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:21,429 INFO L225 Difference]: With dead ends: 836 [2020-10-15 16:43:21,429 INFO L226 Difference]: Without dead ends: 739 [2020-10-15 16:43:21,430 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 16:43:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-10-15 16:43:21,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 690. [2020-10-15 16:43:21,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-15 16:43:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1772 transitions. [2020-10-15 16:43:21,443 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1772 transitions. Word has length 28 [2020-10-15 16:43:21,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:21,443 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 1772 transitions. [2020-10-15 16:43:21,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:43:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1772 transitions. [2020-10-15 16:43:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:21,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:21,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:43:21,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 16:43:21,446 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 16:43:21,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:21,446 INFO L82 PathProgramCache]: Analyzing trace with hash 418390647, now seen corresponding path program 2 times [2020-10-15 16:43:21,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:21,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565953760] [2020-10-15 16:43:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:21,527 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 16:43:21,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565953760] [2020-10-15 16:43:21,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:21,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:21,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434155013] [2020-10-15 16:43:21,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:43:21,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:21,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:43:21,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:43:21,529 INFO L87 Difference]: Start difference. First operand 690 states and 1772 transitions. Second operand 7 states. [2020-10-15 16:43:21,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:21,722 INFO L93 Difference]: Finished difference Result 884 states and 2325 transitions. [2020-10-15 16:43:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 16:43:21,723 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 16:43:21,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:21,725 INFO L225 Difference]: With dead ends: 884 [2020-10-15 16:43:21,725 INFO L226 Difference]: Without dead ends: 741 [2020-10-15 16:43:21,726 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 16:43:21,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-15 16:43:21,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 632. [2020-10-15 16:43:21,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-15 16:43:21,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1625 transitions. [2020-10-15 16:43:21,747 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1625 transitions. Word has length 28 [2020-10-15 16:43:21,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:21,747 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 1625 transitions. [2020-10-15 16:43:21,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:43:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1625 transitions. [2020-10-15 16:43:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:21,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:21,749 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 16:43:21,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 16:43:21,752 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 16:43:21,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:21,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1685908442, now seen corresponding path program 1 times [2020-10-15 16:43:21,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:21,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745499145] [2020-10-15 16:43:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:21,812 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 16:43:21,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745499145] [2020-10-15 16:43:21,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:21,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:21,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551721859] [2020-10-15 16:43:21,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:43:21,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:21,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:43:21,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:43:21,814 INFO L87 Difference]: Start difference. First operand 632 states and 1625 transitions. Second operand 7 states. [2020-10-15 16:43:21,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:21,970 INFO L93 Difference]: Finished difference Result 695 states and 1850 transitions. [2020-10-15 16:43:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 16:43:21,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 16:43:21,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:21,972 INFO L225 Difference]: With dead ends: 695 [2020-10-15 16:43:21,972 INFO L226 Difference]: Without dead ends: 600 [2020-10-15 16:43:21,973 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 16:43:21,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-10-15 16:43:21,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 562. [2020-10-15 16:43:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-15 16:43:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1455 transitions. [2020-10-15 16:43:21,985 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1455 transitions. Word has length 28 [2020-10-15 16:43:21,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:21,985 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 1455 transitions. [2020-10-15 16:43:21,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:43:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1455 transitions. [2020-10-15 16:43:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:21,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:21,987 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 16:43:21,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 16:43:21,987 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 16:43:21,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:21,988 INFO L82 PathProgramCache]: Analyzing trace with hash -686866746, now seen corresponding path program 2 times [2020-10-15 16:43:21,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:21,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842390445] [2020-10-15 16:43:21,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:22,074 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 16:43:22,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842390445] [2020-10-15 16:43:22,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:22,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:22,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890608644] [2020-10-15 16:43:22,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:43:22,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:22,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:43:22,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:43:22,076 INFO L87 Difference]: Start difference. First operand 562 states and 1455 transitions. Second operand 7 states. [2020-10-15 16:43:22,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:22,266 INFO L93 Difference]: Finished difference Result 759 states and 2045 transitions. [2020-10-15 16:43:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 16:43:22,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 16:43:22,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:22,268 INFO L225 Difference]: With dead ends: 759 [2020-10-15 16:43:22,268 INFO L226 Difference]: Without dead ends: 538 [2020-10-15 16:43:22,269 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 16:43:22,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-15 16:43:22,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 464. [2020-10-15 16:43:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-15 16:43:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1177 transitions. [2020-10-15 16:43:22,278 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1177 transitions. Word has length 28 [2020-10-15 16:43:22,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:22,279 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1177 transitions. [2020-10-15 16:43:22,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:43:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1177 transitions. [2020-10-15 16:43:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:22,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:22,280 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 16:43:22,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 16:43:22,281 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 16:43:22,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:22,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1554648590, now seen corresponding path program 3 times [2020-10-15 16:43:22,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:22,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201092012] [2020-10-15 16:43:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:22,345 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 16:43:22,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201092012] [2020-10-15 16:43:22,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:22,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:22,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101620565] [2020-10-15 16:43:22,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:43:22,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:22,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:43:22,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:43:22,347 INFO L87 Difference]: Start difference. First operand 464 states and 1177 transitions. Second operand 7 states. [2020-10-15 16:43:22,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:22,554 INFO L93 Difference]: Finished difference Result 538 states and 1357 transitions. [2020-10-15 16:43:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 16:43:22,555 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 16:43:22,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:22,556 INFO L225 Difference]: With dead ends: 538 [2020-10-15 16:43:22,556 INFO L226 Difference]: Without dead ends: 453 [2020-10-15 16:43:22,557 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 16:43:22,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-10-15 16:43:22,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 401. [2020-10-15 16:43:22,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-15 16:43:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 993 transitions. [2020-10-15 16:43:22,567 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 993 transitions. Word has length 28 [2020-10-15 16:43:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:22,568 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 993 transitions. [2020-10-15 16:43:22,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:43:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 993 transitions. [2020-10-15 16:43:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:22,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:22,570 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 16:43:22,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 16:43:22,570 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 16:43:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:22,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1316107438, now seen corresponding path program 4 times [2020-10-15 16:43:22,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:22,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014900940] [2020-10-15 16:43:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:22,642 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 16:43:22,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014900940] [2020-10-15 16:43:22,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:22,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 16:43:22,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224798432] [2020-10-15 16:43:22,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 16:43:22,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:22,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 16:43:22,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 16:43:22,644 INFO L87 Difference]: Start difference. First operand 401 states and 993 transitions. Second operand 4 states. [2020-10-15 16:43:22,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:22,687 INFO L93 Difference]: Finished difference Result 409 states and 1021 transitions. [2020-10-15 16:43:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 16:43:22,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-15 16:43:22,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:22,688 INFO L225 Difference]: With dead ends: 409 [2020-10-15 16:43:22,689 INFO L226 Difference]: Without dead ends: 401 [2020-10-15 16:43:22,689 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 16:43:22,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-15 16:43:22,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 393. [2020-10-15 16:43:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-10-15 16:43:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 965 transitions. [2020-10-15 16:43:22,697 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 965 transitions. Word has length 28 [2020-10-15 16:43:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:22,697 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 965 transitions. [2020-10-15 16:43:22,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 16:43:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 965 transitions. [2020-10-15 16:43:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:22,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:22,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:43:22,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 16:43:22,699 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 16:43:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:22,699 INFO L82 PathProgramCache]: Analyzing trace with hash -148672596, now seen corresponding path program 1 times [2020-10-15 16:43:22,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:22,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251453609] [2020-10-15 16:43:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:22,772 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 16:43:22,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251453609] [2020-10-15 16:43:22,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:22,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:22,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169070826] [2020-10-15 16:43:22,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 16:43:22,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:22,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 16:43:22,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 16:43:22,773 INFO L87 Difference]: Start difference. First operand 393 states and 965 transitions. Second operand 6 states. [2020-10-15 16:43:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:22,893 INFO L93 Difference]: Finished difference Result 415 states and 1058 transitions. [2020-10-15 16:43:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 16:43:22,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-15 16:43:22,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:22,894 INFO L225 Difference]: With dead ends: 415 [2020-10-15 16:43:22,894 INFO L226 Difference]: Without dead ends: 269 [2020-10-15 16:43:22,895 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 16:43:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-15 16:43:22,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2020-10-15 16:43:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-15 16:43:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 587 transitions. [2020-10-15 16:43:22,900 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 587 transitions. Word has length 28 [2020-10-15 16:43:22,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:22,900 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 587 transitions. [2020-10-15 16:43:22,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 16:43:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 587 transitions. [2020-10-15 16:43:22,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:22,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:22,901 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 16:43:22,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 16:43:22,902 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 16:43:22,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:22,902 INFO L82 PathProgramCache]: Analyzing trace with hash 962127783, now seen corresponding path program 3 times [2020-10-15 16:43:22,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:22,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748221988] [2020-10-15 16:43:22,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:22,970 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 16:43:22,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748221988] [2020-10-15 16:43:22,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:22,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:22,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750377529] [2020-10-15 16:43:22,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:43:22,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:22,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:43:22,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:43:22,972 INFO L87 Difference]: Start difference. First operand 237 states and 587 transitions. Second operand 7 states. [2020-10-15 16:43:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:23,124 INFO L93 Difference]: Finished difference Result 303 states and 753 transitions. [2020-10-15 16:43:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 16:43:23,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-15 16:43:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:23,125 INFO L225 Difference]: With dead ends: 303 [2020-10-15 16:43:23,125 INFO L226 Difference]: Without dead ends: 230 [2020-10-15 16:43:23,126 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 16:43:23,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-15 16:43:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2020-10-15 16:43:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-15 16:43:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 438 transitions. [2020-10-15 16:43:23,130 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 438 transitions. Word has length 28 [2020-10-15 16:43:23,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:23,131 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 438 transitions. [2020-10-15 16:43:23,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:43:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 438 transitions. [2020-10-15 16:43:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 16:43:23,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:43:23,132 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 16:43:23,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 16:43:23,132 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 16:43:23,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:43:23,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1602322120, now seen corresponding path program 2 times [2020-10-15 16:43:23,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:43:23,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356286577] [2020-10-15 16:43:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:43:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:43:23,172 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 16:43:23,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356286577] [2020-10-15 16:43:23,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:43:23,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:43:23,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086832103] [2020-10-15 16:43:23,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 16:43:23,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:43:23,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 16:43:23,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 16:43:23,174 INFO L87 Difference]: Start difference. First operand 180 states and 438 transitions. Second operand 6 states. [2020-10-15 16:43:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:43:23,266 INFO L93 Difference]: Finished difference Result 172 states and 454 transitions. [2020-10-15 16:43:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 16:43:23,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-15 16:43:23,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:43:23,267 INFO L225 Difference]: With dead ends: 172 [2020-10-15 16:43:23,267 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 16:43:23,268 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 16:43:23,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 16:43:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 16:43:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 16:43:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 16:43:23,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-15 16:43:23,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:43:23,270 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 16:43:23,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 16:43:23,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 16:43:23,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 16:43:23,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 16:43:23,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:43:23 BasicIcfg [2020-10-15 16:43:23,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 16:43:23,276 INFO L168 Benchmark]: Toolchain (without parser) took 16932.06 ms. Allocated memory was 251.7 MB in the beginning and 710.9 MB in the end (delta: 459.3 MB). Free memory was 206.8 MB in the beginning and 140.7 MB in the end (delta: 66.1 MB). Peak memory consumption was 525.3 MB. Max. memory is 14.2 GB. [2020-10-15 16:43:23,277 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 16:43:23,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.83 ms. Allocated memory was 251.7 MB in the beginning and 315.1 MB in the end (delta: 63.4 MB). Free memory was 206.8 MB in the beginning and 265.9 MB in the end (delta: -59.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. [2020-10-15 16:43:23,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.64 ms. Allocated memory is still 315.1 MB. Free memory was 265.9 MB in the beginning and 263.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:43:23,278 INFO L168 Benchmark]: Boogie Preprocessor took 56.73 ms. Allocated memory is still 315.1 MB. Free memory was 263.4 MB in the beginning and 260.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:43:23,279 INFO L168 Benchmark]: RCFGBuilder took 1235.65 ms. Allocated memory was 315.1 MB in the beginning and 358.6 MB in the end (delta: 43.5 MB). Free memory was 260.9 MB in the beginning and 315.8 MB in the end (delta: -55.0 MB). Peak memory consumption was 99.7 MB. Max. memory is 14.2 GB. [2020-10-15 16:43:23,279 INFO L168 Benchmark]: TraceAbstraction took 14817.85 ms. Allocated memory was 358.6 MB in the beginning and 710.9 MB in the end (delta: 352.3 MB). Free memory was 315.8 MB in the beginning and 140.7 MB in the end (delta: 175.1 MB). Peak memory consumption was 527.4 MB. Max. memory is 14.2 GB. [2020-10-15 16:43:23,282 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 746.83 ms. Allocated memory was 251.7 MB in the beginning and 315.1 MB in the end (delta: 63.4 MB). Free memory was 206.8 MB in the beginning and 265.9 MB in the end (delta: -59.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.64 ms. Allocated memory is still 315.1 MB. Free memory was 265.9 MB in the beginning and 263.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 56.73 ms. Allocated memory is still 315.1 MB. Free memory was 263.4 MB in the beginning and 260.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1235.65 ms. Allocated memory was 315.1 MB in the beginning and 358.6 MB in the end (delta: 43.5 MB). Free memory was 260.9 MB in the beginning and 315.8 MB in the end (delta: -55.0 MB). Peak memory consumption was 99.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 14817.85 ms. Allocated memory was 358.6 MB in the beginning and 710.9 MB in the end (delta: 352.3 MB). Free memory was 315.8 MB in the beginning and 140.7 MB in the end (delta: 175.1 MB). Peak memory consumption was 527.4 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: 0.9s, 1186 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.3s, 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: 14.6s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 2091 SDtfs, 2589 SDslu, 4024 SDs, 0 SdLazy, 3117 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.6s 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: 1.8s AutomataMinimizationTime, 27 MinimizatonAttempts, 3859 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s 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...