/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:41:47,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:41:47,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:41:47,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:41:47,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:41:47,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:41:47,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:41:47,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:41:47,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:41:47,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:41:47,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:41:47,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:41:47,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:41:47,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:41:47,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:41:47,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:41:47,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:41:47,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:41:47,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:41:47,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:41:47,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:41:47,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:41:47,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:41:47,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:41:47,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 11:41:47,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:41:47,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:41:47,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:41:47,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:41:47,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:41:47,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:41:47,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:41:47,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:41:47,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:41:47,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:41:47,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:41:47,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 11:41:47,233 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:41:47,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:41:47,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:41:47,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:41:47,236 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:41:47,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:41:47,236 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:41:47,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:41:47,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:41:47,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:41:47,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:41:47,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:41:47,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:41:47,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:41:47,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:41:47,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:41:47,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:41:47,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:41:47,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:41:47,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:41:47,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:41:47,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:41:47,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:41:47,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:41:47,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:41:47,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:41:47,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:41:47,242 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:41:47,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:41:47,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:41:47,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:41:47,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:41:47,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:41:47,539 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:41:47,539 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-16 11:41:47,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/218bed7b3/aba1993d13694417beda5900d786adb6/FLAGc12f51875 [2020-10-16 11:41:48,136 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:41:48,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-16 11:41:48,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/218bed7b3/aba1993d13694417beda5900d786adb6/FLAGc12f51875 [2020-10-16 11:41:48,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/218bed7b3/aba1993d13694417beda5900d786adb6 [2020-10-16 11:41:48,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:41:48,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:41:48,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:41:48,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:41:48,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:41:48,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:41:48" (1/1) ... [2020-10-16 11:41:48,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bb0c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:48, skipping insertion in model container [2020-10-16 11:41:48,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:41:48" (1/1) ... [2020-10-16 11:41:48,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:41:48,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:41:48,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:41:49,003 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:41:49,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:41:49,199 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:41:49,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49 WrapperNode [2020-10-16 11:41:49,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:41:49,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:41:49,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:41:49,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:41:49,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:41:49,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:41:49,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:41:49,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:41:49,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... [2020-10-16 11:41:49,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:41:49,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:41:49,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:41:49,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:41:49,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:41:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-16 11:41:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-16 11:41:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-16 11:41:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-16 11:41:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 11:41:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:41:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-16 11:41:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-16 11:41:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 11:41:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:41:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:41:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 11:41:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:41:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:41:49,407 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:41:50,491 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:41:50,491 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 11:41:50,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:41:50 BoogieIcfgContainer [2020-10-16 11:41:50,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:41:50,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:41:50,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:41:50,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:41:50,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:41:48" (1/3) ... [2020-10-16 11:41:50,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2792df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:41:50, skipping insertion in model container [2020-10-16 11:41:50,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:41:49" (2/3) ... [2020-10-16 11:41:50,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2792df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:41:50, skipping insertion in model container [2020-10-16 11:41:50,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:41:50" (3/3) ... [2020-10-16 11:41:50,502 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-16 11:41:50,514 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:41:50,514 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:41:50,523 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:41:50,524 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:41:50,563 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,563 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,564 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,564 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,564 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,565 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,565 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,565 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,566 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,566 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,568 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,568 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,568 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,570 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,570 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,570 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,572 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,572 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,572 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,572 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,573 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,573 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,573 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,575 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,576 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,576 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,577 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,578 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,578 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,580 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,580 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,580 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,580 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,580 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,582 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,582 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,583 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,583 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,583 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,583 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,583 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,583 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,584 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,585 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,585 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,585 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,586 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,586 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,586 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,586 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,586 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,587 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,587 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,587 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,587 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,587 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,589 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,590 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,591 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,591 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,591 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,592 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,592 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,593 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,593 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,593 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,593 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,593 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,595 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,595 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,596 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,596 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,596 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,600 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,600 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,600 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,606 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,606 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,606 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,606 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,606 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,607 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,607 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,607 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,607 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,607 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,608 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,608 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,608 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,608 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,608 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,609 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,609 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,609 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,609 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,609 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,610 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,610 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,610 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,610 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,610 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,610 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,617 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,617 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,617 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,617 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,618 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,618 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,618 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,618 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,618 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,619 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,619 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,619 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,619 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,619 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,619 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,620 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,620 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,620 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,620 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,622 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,622 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,622 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,623 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,623 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,623 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,623 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,623 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,624 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,624 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,624 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,624 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,624 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,625 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:41:50,634 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-10-16 11:41:50,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 11:41:50,670 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:41:50,670 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:41:50,670 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:41:50,670 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:41:50,671 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:41:50,671 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:41:50,671 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:41:50,671 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:41:50,687 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:41:50,688 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-16 11:41:50,691 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-16 11:41:50,693 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2020-10-16 11:41:50,767 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2020-10-16 11:41:50,768 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-16 11:41:50,776 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. [2020-10-16 11:41:50,787 INFO L117 LiptonReduction]: Number of co-enabled transitions 10120 [2020-10-16 11:41:53,802 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-10-16 11:41:53,921 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-16 11:41:54,062 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-16 11:41:54,181 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-16 11:41:54,215 INFO L132 LiptonReduction]: Checked pairs total: 32265 [2020-10-16 11:41:54,215 INFO L134 LiptonReduction]: Total number of compositions: 121 [2020-10-16 11:41:54,229 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-16 11:41:54,522 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-16 11:41:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-16 11:41:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 11:41:54,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:54,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:54,546 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]=== [2020-10-16 11:41:54,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:54,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1429150528, now seen corresponding path program 1 times [2020-10-16 11:41:54,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:54,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231939855] [2020-10-16 11:41:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:54,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231939855] [2020-10-16 11:41:54,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:54,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:41:54,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346814149] [2020-10-16 11:41:54,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:41:54,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:54,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:41:54,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:54,808 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-16 11:41:54,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:54,982 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-16 11:41:54,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:54,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 11:41:54,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:55,053 INFO L225 Difference]: With dead ends: 5823 [2020-10-16 11:41:55,053 INFO L226 Difference]: Without dead ends: 4979 [2020-10-16 11:41:55,055 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 [2020-10-16 11:41:55,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-16 11:41:55,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-16 11:41:55,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-16 11:41:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-16 11:41:55,363 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-16 11:41:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:55,365 INFO L481 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-16 11:41:55,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:41:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-16 11:41:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 11:41:55,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:55,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:55,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:41:55,371 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]=== [2020-10-16 11:41:55,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:55,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1348815056, now seen corresponding path program 1 times [2020-10-16 11:41:55,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:55,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290014681] [2020-10-16 11:41:55,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:55,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290014681] [2020-10-16 11:41:55,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:55,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:41:55,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345143539] [2020-10-16 11:41:55,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:41:55,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:55,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:41:55,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:55,536 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-16 11:41:55,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:55,602 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-16 11:41:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:55,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 11:41:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:55,638 INFO L225 Difference]: With dead ends: 4347 [2020-10-16 11:41:55,638 INFO L226 Difference]: Without dead ends: 4347 [2020-10-16 11:41:55,639 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 [2020-10-16 11:41:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-16 11:41:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-16 11:41:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-16 11:41:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-16 11:41:55,819 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-16 11:41:55,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:55,820 INFO L481 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-16 11:41:55,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:41:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-16 11:41:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 11:41:55,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:55,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:55,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:41:55,824 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]=== [2020-10-16 11:41:55,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:55,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1348815207, now seen corresponding path program 1 times [2020-10-16 11:41:55,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:55,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833855524] [2020-10-16 11:41:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:55,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833855524] [2020-10-16 11:41:55,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:55,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:41:55,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438992978] [2020-10-16 11:41:55,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:41:55,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:55,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:41:55,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:55,915 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-16 11:41:56,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:56,074 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-16 11:41:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:56,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 11:41:56,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:56,130 INFO L225 Difference]: With dead ends: 4252 [2020-10-16 11:41:56,130 INFO L226 Difference]: Without dead ends: 4252 [2020-10-16 11:41:56,131 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 [2020-10-16 11:41:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-16 11:41:56,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-16 11:41:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-16 11:41:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-16 11:41:56,279 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-16 11:41:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:56,279 INFO L481 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-16 11:41:56,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:41:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-16 11:41:56,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:41:56,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:56,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:56,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:41:56,288 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]=== [2020-10-16 11:41:56,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:56,289 INFO L82 PathProgramCache]: Analyzing trace with hash -367488622, now seen corresponding path program 1 times [2020-10-16 11:41:56,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:56,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100426379] [2020-10-16 11:41:56,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:56,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100426379] [2020-10-16 11:41:56,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:56,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:41:56,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920798879] [2020-10-16 11:41:56,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:41:56,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:56,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:41:56,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:41:56,398 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 6 states. [2020-10-16 11:41:57,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:57,312 INFO L93 Difference]: Finished difference Result 9009 states and 34917 transitions. [2020-10-16 11:41:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 11:41:57,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-16 11:41:57,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:57,359 INFO L225 Difference]: With dead ends: 9009 [2020-10-16 11:41:57,359 INFO L226 Difference]: Without dead ends: 9009 [2020-10-16 11:41:57,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-16 11:41:57,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9009 states. [2020-10-16 11:41:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9009 to 4999. [2020-10-16 11:41:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4999 states. [2020-10-16 11:41:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 19391 transitions. [2020-10-16 11:41:57,600 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 19391 transitions. Word has length 17 [2020-10-16 11:41:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:57,600 INFO L481 AbstractCegarLoop]: Abstraction has 4999 states and 19391 transitions. [2020-10-16 11:41:57,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:41:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 19391 transitions. [2020-10-16 11:41:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:41:57,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:57,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:57,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:41:57,610 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]=== [2020-10-16 11:41:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:57,610 INFO L82 PathProgramCache]: Analyzing trace with hash -282524690, now seen corresponding path program 1 times [2020-10-16 11:41:57,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:57,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683566153] [2020-10-16 11:41:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:57,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683566153] [2020-10-16 11:41:57,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:57,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:41:57,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16226884] [2020-10-16 11:41:57,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:41:57,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:57,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:41:57,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:41:57,676 INFO L87 Difference]: Start difference. First operand 4999 states and 19391 transitions. Second operand 6 states. [2020-10-16 11:41:58,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:58,277 INFO L93 Difference]: Finished difference Result 9150 states and 34864 transitions. [2020-10-16 11:41:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 11:41:58,278 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-16 11:41:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:58,317 INFO L225 Difference]: With dead ends: 9150 [2020-10-16 11:41:58,317 INFO L226 Difference]: Without dead ends: 9150 [2020-10-16 11:41:58,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-16 11:41:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9150 states. [2020-10-16 11:41:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9150 to 4735. [2020-10-16 11:41:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4735 states. [2020-10-16 11:41:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 18239 transitions. [2020-10-16 11:41:58,643 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 18239 transitions. Word has length 17 [2020-10-16 11:41:58,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:58,643 INFO L481 AbstractCegarLoop]: Abstraction has 4735 states and 18239 transitions. [2020-10-16 11:41:58,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:41:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 18239 transitions. [2020-10-16 11:41:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:41:58,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:58,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:58,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:41:58,652 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]=== [2020-10-16 11:41:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:58,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1278040972, now seen corresponding path program 2 times [2020-10-16 11:41:58,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:58,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948363263] [2020-10-16 11:41:58,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:58,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:58,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948363263] [2020-10-16 11:41:58,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:58,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:41:58,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691494513] [2020-10-16 11:41:58,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:41:58,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:58,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:41:58,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:41:58,723 INFO L87 Difference]: Start difference. First operand 4735 states and 18239 transitions. Second operand 5 states. [2020-10-16 11:41:58,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:58,856 INFO L93 Difference]: Finished difference Result 6510 states and 24205 transitions. [2020-10-16 11:41:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:41:58,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-16 11:41:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:58,883 INFO L225 Difference]: With dead ends: 6510 [2020-10-16 11:41:58,884 INFO L226 Difference]: Without dead ends: 6510 [2020-10-16 11:41:58,884 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 [2020-10-16 11:41:58,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6510 states. [2020-10-16 11:41:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6471. [2020-10-16 11:41:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6471 states. [2020-10-16 11:41:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 24138 transitions. [2020-10-16 11:41:59,070 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 24138 transitions. Word has length 17 [2020-10-16 11:41:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:59,070 INFO L481 AbstractCegarLoop]: Abstraction has 6471 states and 24138 transitions. [2020-10-16 11:41:59,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:41:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 24138 transitions. [2020-10-16 11:41:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:41:59,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:59,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:59,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:41:59,079 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]=== [2020-10-16 11:41:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash -20729748, now seen corresponding path program 1 times [2020-10-16 11:41:59,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:59,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223280669] [2020-10-16 11:41:59,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:59,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223280669] [2020-10-16 11:41:59,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:59,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:41:59,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779453492] [2020-10-16 11:41:59,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:41:59,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:59,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:41:59,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:41:59,121 INFO L87 Difference]: Start difference. First operand 6471 states and 24138 transitions. Second operand 4 states. [2020-10-16 11:41:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:59,218 INFO L93 Difference]: Finished difference Result 9072 states and 32565 transitions. [2020-10-16 11:41:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:41:59,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-16 11:41:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:59,235 INFO L225 Difference]: With dead ends: 9072 [2020-10-16 11:41:59,235 INFO L226 Difference]: Without dead ends: 4830 [2020-10-16 11:41:59,235 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 [2020-10-16 11:41:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2020-10-16 11:41:59,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4791. [2020-10-16 11:41:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4791 states. [2020-10-16 11:41:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 4791 states and 15955 transitions. [2020-10-16 11:41:59,887 INFO L78 Accepts]: Start accepts. Automaton has 4791 states and 15955 transitions. Word has length 17 [2020-10-16 11:41:59,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:41:59,888 INFO L481 AbstractCegarLoop]: Abstraction has 4791 states and 15955 transitions. [2020-10-16 11:41:59,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:41:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 15955 transitions. [2020-10-16 11:41:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 11:41:59,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:41:59,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:41:59,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:41:59,893 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]=== [2020-10-16 11:41:59,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:41:59,893 INFO L82 PathProgramCache]: Analyzing trace with hash 716258407, now seen corresponding path program 1 times [2020-10-16 11:41:59,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:41:59,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915293914] [2020-10-16 11:41:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:41:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:41:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:41:59,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915293914] [2020-10-16 11:41:59,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:41:59,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:41:59,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352454275] [2020-10-16 11:41:59,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:41:59,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:41:59,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:41:59,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:41:59,939 INFO L87 Difference]: Start difference. First operand 4791 states and 15955 transitions. Second operand 3 states. [2020-10-16 11:41:59,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:41:59,981 INFO L93 Difference]: Finished difference Result 4791 states and 15860 transitions. [2020-10-16 11:41:59,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:41:59,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-16 11:41:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:41:59,992 INFO L225 Difference]: With dead ends: 4791 [2020-10-16 11:41:59,992 INFO L226 Difference]: Without dead ends: 3417 [2020-10-16 11:41:59,993 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 [2020-10-16 11:42:00,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2020-10-16 11:42:00,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 2773. [2020-10-16 11:42:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2020-10-16 11:42:00,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 9023 transitions. [2020-10-16 11:42:00,065 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 9023 transitions. Word has length 19 [2020-10-16 11:42:00,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:00,066 INFO L481 AbstractCegarLoop]: Abstraction has 2773 states and 9023 transitions. [2020-10-16 11:42:00,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:42:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 9023 transitions. [2020-10-16 11:42:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 11:42:00,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:00,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:42:00,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:42:00,070 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]=== [2020-10-16 11:42:00,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:00,071 INFO L82 PathProgramCache]: Analyzing trace with hash -42612842, now seen corresponding path program 1 times [2020-10-16 11:42:00,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:00,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879128573] [2020-10-16 11:42:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:00,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879128573] [2020-10-16 11:42:00,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:00,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:42:00,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552910154] [2020-10-16 11:42:00,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:42:00,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:00,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:42:00,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:42:00,104 INFO L87 Difference]: Start difference. First operand 2773 states and 9023 transitions. Second operand 3 states. [2020-10-16 11:42:00,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:00,130 INFO L93 Difference]: Finished difference Result 2773 states and 8951 transitions. [2020-10-16 11:42:00,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:42:00,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-16 11:42:00,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:00,135 INFO L225 Difference]: With dead ends: 2773 [2020-10-16 11:42:00,135 INFO L226 Difference]: Without dead ends: 1368 [2020-10-16 11:42:00,135 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 [2020-10-16 11:42:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-16 11:42:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1222. [2020-10-16 11:42:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-16 11:42:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 3398 transitions. [2020-10-16 11:42:00,163 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 3398 transitions. Word has length 19 [2020-10-16 11:42:00,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:00,164 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 3398 transitions. [2020-10-16 11:42:00,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:42:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 3398 transitions. [2020-10-16 11:42:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:42:00,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:00,167 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] [2020-10-16 11:42:00,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:42:00,167 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]=== [2020-10-16 11:42:00,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:00,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1652891015, now seen corresponding path program 1 times [2020-10-16 11:42:00,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:00,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768504496] [2020-10-16 11:42:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:00,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768504496] [2020-10-16 11:42:00,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:00,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:42:00,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603870165] [2020-10-16 11:42:00,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:42:00,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:00,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:42:00,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:42:00,204 INFO L87 Difference]: Start difference. First operand 1222 states and 3398 transitions. Second operand 3 states. [2020-10-16 11:42:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:00,227 INFO L93 Difference]: Finished difference Result 1114 states and 3012 transitions. [2020-10-16 11:42:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:42:00,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-16 11:42:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:00,231 INFO L225 Difference]: With dead ends: 1114 [2020-10-16 11:42:00,231 INFO L226 Difference]: Without dead ends: 1114 [2020-10-16 11:42:00,232 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 [2020-10-16 11:42:00,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2020-10-16 11:42:00,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1062. [2020-10-16 11:42:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2020-10-16 11:42:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2936 transitions. [2020-10-16 11:42:00,256 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2936 transitions. Word has length 22 [2020-10-16 11:42:00,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:00,256 INFO L481 AbstractCegarLoop]: Abstraction has 1062 states and 2936 transitions. [2020-10-16 11:42:00,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:42:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2936 transitions. [2020-10-16 11:42:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:42:00,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:00,259 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] [2020-10-16 11:42:00,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 11:42:00,259 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]=== [2020-10-16 11:42:00,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:00,260 INFO L82 PathProgramCache]: Analyzing trace with hash -886153004, now seen corresponding path program 1 times [2020-10-16 11:42:00,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:00,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262082676] [2020-10-16 11:42:00,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:00,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262082676] [2020-10-16 11:42:00,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:00,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:42:00,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945733115] [2020-10-16 11:42:00,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:42:00,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:00,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:42:00,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:42:00,288 INFO L87 Difference]: Start difference. First operand 1062 states and 2936 transitions. Second operand 3 states. [2020-10-16 11:42:00,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:00,312 INFO L93 Difference]: Finished difference Result 1074 states and 2829 transitions. [2020-10-16 11:42:00,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:42:00,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-16 11:42:00,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:00,316 INFO L225 Difference]: With dead ends: 1074 [2020-10-16 11:42:00,316 INFO L226 Difference]: Without dead ends: 1074 [2020-10-16 11:42:00,316 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 [2020-10-16 11:42:00,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-10-16 11:42:00,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1022. [2020-10-16 11:42:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-16 11:42:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 2753 transitions. [2020-10-16 11:42:00,337 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 2753 transitions. Word has length 22 [2020-10-16 11:42:00,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:00,338 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 2753 transitions. [2020-10-16 11:42:00,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:42:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 2753 transitions. [2020-10-16 11:42:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:42:00,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:00,341 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] [2020-10-16 11:42:00,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 11:42:00,341 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]=== [2020-10-16 11:42:00,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:00,341 INFO L82 PathProgramCache]: Analyzing trace with hash -886152074, now seen corresponding path program 1 times [2020-10-16 11:42:00,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:00,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354368094] [2020-10-16 11:42:00,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:00,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354368094] [2020-10-16 11:42:00,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:00,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:42:00,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648545146] [2020-10-16 11:42:00,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:42:00,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:00,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:42:00,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:42:00,384 INFO L87 Difference]: Start difference. First operand 1022 states and 2753 transitions. Second operand 5 states. [2020-10-16 11:42:00,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:00,483 INFO L93 Difference]: Finished difference Result 1726 states and 4411 transitions. [2020-10-16 11:42:00,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:42:00,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-16 11:42:00,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:00,488 INFO L225 Difference]: With dead ends: 1726 [2020-10-16 11:42:00,488 INFO L226 Difference]: Without dead ends: 1616 [2020-10-16 11:42:00,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:42:00,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2020-10-16 11:42:00,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1284. [2020-10-16 11:42:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-10-16 11:42:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 3464 transitions. [2020-10-16 11:42:00,519 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 3464 transitions. Word has length 22 [2020-10-16 11:42:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:00,519 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 3464 transitions. [2020-10-16 11:42:00,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:42:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 3464 transitions. [2020-10-16 11:42:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:00,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:00,523 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] [2020-10-16 11:42:00,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 11:42:00,523 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]=== [2020-10-16 11:42:00,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:00,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1501127876, now seen corresponding path program 1 times [2020-10-16 11:42:00,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:00,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215361857] [2020-10-16 11:42:00,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:00,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215361857] [2020-10-16 11:42:00,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:00,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 11:42:00,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986638747] [2020-10-16 11:42:00,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 11:42:00,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:00,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 11:42:00,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:42:00,604 INFO L87 Difference]: Start difference. First operand 1284 states and 3464 transitions. Second operand 8 states. [2020-10-16 11:42:01,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:01,223 INFO L93 Difference]: Finished difference Result 1761 states and 4569 transitions. [2020-10-16 11:42:01,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-16 11:42:01,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-16 11:42:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:01,232 INFO L225 Difference]: With dead ends: 1761 [2020-10-16 11:42:01,233 INFO L226 Difference]: Without dead ends: 1761 [2020-10-16 11:42:01,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-10-16 11:42:01,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2020-10-16 11:42:01,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1227. [2020-10-16 11:42:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2020-10-16 11:42:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3197 transitions. [2020-10-16 11:42:01,260 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3197 transitions. Word has length 23 [2020-10-16 11:42:01,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:01,261 INFO L481 AbstractCegarLoop]: Abstraction has 1227 states and 3197 transitions. [2020-10-16 11:42:01,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 11:42:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3197 transitions. [2020-10-16 11:42:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:01,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:01,264 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] [2020-10-16 11:42:01,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 11:42:01,265 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]=== [2020-10-16 11:42:01,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:01,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1586091808, now seen corresponding path program 1 times [2020-10-16 11:42:01,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:01,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569345824] [2020-10-16 11:42:01,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:01,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:01,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569345824] [2020-10-16 11:42:01,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:01,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 11:42:01,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178206532] [2020-10-16 11:42:01,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 11:42:01,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:01,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 11:42:01,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:42:01,340 INFO L87 Difference]: Start difference. First operand 1227 states and 3197 transitions. Second operand 8 states. [2020-10-16 11:42:01,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:01,861 INFO L93 Difference]: Finished difference Result 1632 states and 4243 transitions. [2020-10-16 11:42:01,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-16 11:42:01,862 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-16 11:42:01,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:01,865 INFO L225 Difference]: With dead ends: 1632 [2020-10-16 11:42:01,865 INFO L226 Difference]: Without dead ends: 1622 [2020-10-16 11:42:01,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-16 11:42:01,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2020-10-16 11:42:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1223. [2020-10-16 11:42:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-10-16 11:42:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 3182 transitions. [2020-10-16 11:42:01,893 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 3182 transitions. Word has length 23 [2020-10-16 11:42:01,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:01,893 INFO L481 AbstractCegarLoop]: Abstraction has 1223 states and 3182 transitions. [2020-10-16 11:42:01,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 11:42:01,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 3182 transitions. [2020-10-16 11:42:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:01,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:01,896 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] [2020-10-16 11:42:01,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 11:42:01,897 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]=== [2020-10-16 11:42:01,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:01,897 INFO L82 PathProgramCache]: Analyzing trace with hash -931030371, now seen corresponding path program 1 times [2020-10-16 11:42:01,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:01,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707262916] [2020-10-16 11:42:01,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:01,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707262916] [2020-10-16 11:42:01,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:01,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:42:01,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652498324] [2020-10-16 11:42:01,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:42:01,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:01,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:42:01,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:42:01,937 INFO L87 Difference]: Start difference. First operand 1223 states and 3182 transitions. Second operand 4 states. [2020-10-16 11:42:01,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:01,996 INFO L93 Difference]: Finished difference Result 1151 states and 2914 transitions. [2020-10-16 11:42:01,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:42:01,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-10-16 11:42:01,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:01,999 INFO L225 Difference]: With dead ends: 1151 [2020-10-16 11:42:01,999 INFO L226 Difference]: Without dead ends: 1092 [2020-10-16 11:42:01,999 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 [2020-10-16 11:42:02,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2020-10-16 11:42:02,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 903. [2020-10-16 11:42:02,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-10-16 11:42:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 2258 transitions. [2020-10-16 11:42:02,017 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 2258 transitions. Word has length 23 [2020-10-16 11:42:02,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:02,017 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 2258 transitions. [2020-10-16 11:42:02,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:42:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 2258 transitions. [2020-10-16 11:42:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:02,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:02,020 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] [2020-10-16 11:42:02,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 11:42:02,020 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]=== [2020-10-16 11:42:02,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:02,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1195948336, now seen corresponding path program 2 times [2020-10-16 11:42:02,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:02,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669996445] [2020-10-16 11:42:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:02,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669996445] [2020-10-16 11:42:02,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:02,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:42:02,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779972016] [2020-10-16 11:42:02,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:42:02,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:02,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:42:02,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:42:02,108 INFO L87 Difference]: Start difference. First operand 903 states and 2258 transitions. Second operand 9 states. [2020-10-16 11:42:02,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:02,694 INFO L93 Difference]: Finished difference Result 1562 states and 3848 transitions. [2020-10-16 11:42:02,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-16 11:42:02,695 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-16 11:42:02,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:02,697 INFO L225 Difference]: With dead ends: 1562 [2020-10-16 11:42:02,697 INFO L226 Difference]: Without dead ends: 1562 [2020-10-16 11:42:02,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-16 11:42:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2020-10-16 11:42:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1091. [2020-10-16 11:42:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-10-16 11:42:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2729 transitions. [2020-10-16 11:42:02,730 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2729 transitions. Word has length 23 [2020-10-16 11:42:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:02,731 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 2729 transitions. [2020-10-16 11:42:02,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:42:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2729 transitions. [2020-10-16 11:42:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:02,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:02,734 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] [2020-10-16 11:42:02,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 11:42:02,734 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]=== [2020-10-16 11:42:02,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:02,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1280912268, now seen corresponding path program 2 times [2020-10-16 11:42:02,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:02,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381142054] [2020-10-16 11:42:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:02,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381142054] [2020-10-16 11:42:02,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:02,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:42:02,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865306633] [2020-10-16 11:42:02,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:42:02,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:02,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:42:02,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:42:02,845 INFO L87 Difference]: Start difference. First operand 1091 states and 2729 transitions. Second operand 9 states. [2020-10-16 11:42:03,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:03,386 INFO L93 Difference]: Finished difference Result 1495 states and 3704 transitions. [2020-10-16 11:42:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 11:42:03,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-16 11:42:03,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:03,392 INFO L225 Difference]: With dead ends: 1495 [2020-10-16 11:42:03,392 INFO L226 Difference]: Without dead ends: 1495 [2020-10-16 11:42:03,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-16 11:42:03,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2020-10-16 11:42:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1082. [2020-10-16 11:42:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-10-16 11:42:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 2709 transitions. [2020-10-16 11:42:03,415 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 2709 transitions. Word has length 23 [2020-10-16 11:42:03,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:03,415 INFO L481 AbstractCegarLoop]: Abstraction has 1082 states and 2709 transitions. [2020-10-16 11:42:03,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:42:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 2709 transitions. [2020-10-16 11:42:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:03,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:03,418 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] [2020-10-16 11:42:03,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 11:42:03,419 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]=== [2020-10-16 11:42:03,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:03,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1214275950, now seen corresponding path program 1 times [2020-10-16 11:42:03,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:03,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001618557] [2020-10-16 11:42:03,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:03,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001618557] [2020-10-16 11:42:03,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:03,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:42:03,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197433305] [2020-10-16 11:42:03,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:42:03,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:03,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:42:03,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:42:03,515 INFO L87 Difference]: Start difference. First operand 1082 states and 2709 transitions. Second operand 9 states. [2020-10-16 11:42:04,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:04,031 INFO L93 Difference]: Finished difference Result 1676 states and 4113 transitions. [2020-10-16 11:42:04,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 11:42:04,031 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-16 11:42:04,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:04,034 INFO L225 Difference]: With dead ends: 1676 [2020-10-16 11:42:04,034 INFO L226 Difference]: Without dead ends: 1651 [2020-10-16 11:42:04,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-16 11:42:04,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2020-10-16 11:42:04,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1096. [2020-10-16 11:42:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2020-10-16 11:42:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 2738 transitions. [2020-10-16 11:42:04,058 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 2738 transitions. Word has length 23 [2020-10-16 11:42:04,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:04,058 INFO L481 AbstractCegarLoop]: Abstraction has 1096 states and 2738 transitions. [2020-10-16 11:42:04,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:42:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 2738 transitions. [2020-10-16 11:42:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:04,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:04,061 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] [2020-10-16 11:42:04,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 11:42:04,061 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]=== [2020-10-16 11:42:04,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:04,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1299239882, now seen corresponding path program 1 times [2020-10-16 11:42:04,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:04,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25598824] [2020-10-16 11:42:04,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:04,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25598824] [2020-10-16 11:42:04,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:04,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:42:04,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004350981] [2020-10-16 11:42:04,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:42:04,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:04,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:42:04,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:42:04,155 INFO L87 Difference]: Start difference. First operand 1096 states and 2738 transitions. Second operand 9 states. [2020-10-16 11:42:04,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:04,623 INFO L93 Difference]: Finished difference Result 1573 states and 3903 transitions. [2020-10-16 11:42:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 11:42:04,623 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-16 11:42:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:04,626 INFO L225 Difference]: With dead ends: 1573 [2020-10-16 11:42:04,626 INFO L226 Difference]: Without dead ends: 1533 [2020-10-16 11:42:04,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-10-16 11:42:04,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-10-16 11:42:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1061. [2020-10-16 11:42:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2020-10-16 11:42:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 2704 transitions. [2020-10-16 11:42:04,654 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 2704 transitions. Word has length 23 [2020-10-16 11:42:04,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:04,654 INFO L481 AbstractCegarLoop]: Abstraction has 1061 states and 2704 transitions. [2020-10-16 11:42:04,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:42:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2704 transitions. [2020-10-16 11:42:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:04,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:04,657 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] [2020-10-16 11:42:04,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 11:42:04,658 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]=== [2020-10-16 11:42:04,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:04,658 INFO L82 PathProgramCache]: Analyzing trace with hash 265623602, now seen corresponding path program 2 times [2020-10-16 11:42:04,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:04,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144627736] [2020-10-16 11:42:04,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:04,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144627736] [2020-10-16 11:42:04,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:04,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:42:04,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618662619] [2020-10-16 11:42:04,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:42:04,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:04,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:42:04,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:42:04,754 INFO L87 Difference]: Start difference. First operand 1061 states and 2704 transitions. Second operand 9 states. [2020-10-16 11:42:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:05,368 INFO L93 Difference]: Finished difference Result 1627 states and 4017 transitions. [2020-10-16 11:42:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-16 11:42:05,369 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-16 11:42:05,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:05,372 INFO L225 Difference]: With dead ends: 1627 [2020-10-16 11:42:05,372 INFO L226 Difference]: Without dead ends: 1627 [2020-10-16 11:42:05,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-16 11:42:05,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2020-10-16 11:42:05,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1041. [2020-10-16 11:42:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-10-16 11:42:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 2668 transitions. [2020-10-16 11:42:05,400 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 2668 transitions. Word has length 23 [2020-10-16 11:42:05,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:05,400 INFO L481 AbstractCegarLoop]: Abstraction has 1041 states and 2668 transitions. [2020-10-16 11:42:05,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:42:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2668 transitions. [2020-10-16 11:42:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:42:05,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:05,403 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] [2020-10-16 11:42:05,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 11:42:05,404 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]=== [2020-10-16 11:42:05,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:05,404 INFO L82 PathProgramCache]: Analyzing trace with hash 350587534, now seen corresponding path program 2 times [2020-10-16 11:42:05,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:05,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166423089] [2020-10-16 11:42:05,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:05,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166423089] [2020-10-16 11:42:05,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:05,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:42:05,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256844271] [2020-10-16 11:42:05,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:42:05,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:05,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:42:05,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:42:05,512 INFO L87 Difference]: Start difference. First operand 1041 states and 2668 transitions. Second operand 9 states. [2020-10-16 11:42:06,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:06,040 INFO L93 Difference]: Finished difference Result 1498 states and 3779 transitions. [2020-10-16 11:42:06,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 11:42:06,040 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-16 11:42:06,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:06,043 INFO L225 Difference]: With dead ends: 1498 [2020-10-16 11:42:06,043 INFO L226 Difference]: Without dead ends: 1498 [2020-10-16 11:42:06,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-16 11:42:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2020-10-16 11:42:06,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 861. [2020-10-16 11:42:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-16 11:42:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 2209 transitions. [2020-10-16 11:42:06,060 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 2209 transitions. Word has length 23 [2020-10-16 11:42:06,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:06,060 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 2209 transitions. [2020-10-16 11:42:06,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:42:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 2209 transitions. [2020-10-16 11:42:06,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 11:42:06,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:06,062 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] [2020-10-16 11:42:06,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 11:42:06,063 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]=== [2020-10-16 11:42:06,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:06,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1509948242, now seen corresponding path program 1 times [2020-10-16 11:42:06,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:06,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459189959] [2020-10-16 11:42:06,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:06,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459189959] [2020-10-16 11:42:06,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:06,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:42:06,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066912865] [2020-10-16 11:42:06,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:42:06,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:06,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:42:06,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:42:06,118 INFO L87 Difference]: Start difference. First operand 861 states and 2209 transitions. Second operand 7 states. [2020-10-16 11:42:06,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:06,342 INFO L93 Difference]: Finished difference Result 1022 states and 2647 transitions. [2020-10-16 11:42:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 11:42:06,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-16 11:42:06,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:06,344 INFO L225 Difference]: With dead ends: 1022 [2020-10-16 11:42:06,344 INFO L226 Difference]: Without dead ends: 741 [2020-10-16 11:42:06,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-10-16 11:42:06,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-16 11:42:06,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 612. [2020-10-16 11:42:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-16 11:42:06,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1528 transitions. [2020-10-16 11:42:06,356 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1528 transitions. Word has length 28 [2020-10-16 11:42:06,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:06,357 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 1528 transitions. [2020-10-16 11:42:06,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:42:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1528 transitions. [2020-10-16 11:42:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 11:42:06,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:06,358 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] [2020-10-16 11:42:06,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 11:42:06,359 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]=== [2020-10-16 11:42:06,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:06,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2093632144, now seen corresponding path program 1 times [2020-10-16 11:42:06,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:06,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993970832] [2020-10-16 11:42:06,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:06,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:06,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993970832] [2020-10-16 11:42:06,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:06,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:42:06,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23741098] [2020-10-16 11:42:06,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:42:06,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:06,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:42:06,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:42:06,420 INFO L87 Difference]: Start difference. First operand 612 states and 1528 transitions. Second operand 7 states. [2020-10-16 11:42:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:06,600 INFO L93 Difference]: Finished difference Result 708 states and 1810 transitions. [2020-10-16 11:42:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 11:42:06,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-16 11:42:06,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:06,602 INFO L225 Difference]: With dead ends: 708 [2020-10-16 11:42:06,602 INFO L226 Difference]: Without dead ends: 388 [2020-10-16 11:42:06,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-10-16 11:42:06,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-16 11:42:06,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 344. [2020-10-16 11:42:06,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-16 11:42:06,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 834 transitions. [2020-10-16 11:42:06,610 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 834 transitions. Word has length 28 [2020-10-16 11:42:06,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:06,610 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 834 transitions. [2020-10-16 11:42:06,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:42:06,611 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 834 transitions. [2020-10-16 11:42:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 11:42:06,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:06,612 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] [2020-10-16 11:42:06,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 11:42:06,612 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]=== [2020-10-16 11:42:06,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:06,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1721070390, now seen corresponding path program 2 times [2020-10-16 11:42:06,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:06,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776551530] [2020-10-16 11:42:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:06,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776551530] [2020-10-16 11:42:06,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:06,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:42:06,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093793072] [2020-10-16 11:42:06,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:42:06,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:06,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:42:06,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:42:06,677 INFO L87 Difference]: Start difference. First operand 344 states and 834 transitions. Second operand 4 states. [2020-10-16 11:42:06,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:06,718 INFO L93 Difference]: Finished difference Result 352 states and 862 transitions. [2020-10-16 11:42:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 11:42:06,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-16 11:42:06,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:06,719 INFO L225 Difference]: With dead ends: 352 [2020-10-16 11:42:06,719 INFO L226 Difference]: Without dead ends: 344 [2020-10-16 11:42:06,719 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 [2020-10-16 11:42:06,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-16 11:42:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 336. [2020-10-16 11:42:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-10-16 11:42:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 806 transitions. [2020-10-16 11:42:06,725 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 806 transitions. Word has length 28 [2020-10-16 11:42:06,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:06,725 INFO L481 AbstractCegarLoop]: Abstraction has 336 states and 806 transitions. [2020-10-16 11:42:06,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:42:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 806 transitions. [2020-10-16 11:42:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 11:42:06,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:06,726 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] [2020-10-16 11:42:06,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 11:42:06,727 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]=== [2020-10-16 11:42:06,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:06,727 INFO L82 PathProgramCache]: Analyzing trace with hash -582438657, now seen corresponding path program 1 times [2020-10-16 11:42:06,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:06,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173192274] [2020-10-16 11:42:06,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:06,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173192274] [2020-10-16 11:42:06,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:06,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:42:06,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682371702] [2020-10-16 11:42:06,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:42:06,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:06,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:42:06,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:42:06,767 INFO L87 Difference]: Start difference. First operand 336 states and 806 transitions. Second operand 6 states. [2020-10-16 11:42:06,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:06,858 INFO L93 Difference]: Finished difference Result 358 states and 899 transitions. [2020-10-16 11:42:06,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:42:06,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-16 11:42:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:06,859 INFO L225 Difference]: With dead ends: 358 [2020-10-16 11:42:06,859 INFO L226 Difference]: Without dead ends: 212 [2020-10-16 11:42:06,859 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 [2020-10-16 11:42:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-16 11:42:06,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 180. [2020-10-16 11:42:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-16 11:42:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 438 transitions. [2020-10-16 11:42:06,862 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 438 transitions. Word has length 28 [2020-10-16 11:42:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:06,862 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 438 transitions. [2020-10-16 11:42:06,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:42:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 438 transitions. [2020-10-16 11:42:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 11:42:06,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:06,862 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] [2020-10-16 11:42:06,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-16 11:42:06,863 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]=== [2020-10-16 11:42:06,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:06,863 INFO L82 PathProgramCache]: Analyzing trace with hash 716425012, now seen corresponding path program 2 times [2020-10-16 11:42:06,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:06,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552259410] [2020-10-16 11:42:06,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:06,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552259410] [2020-10-16 11:42:06,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:06,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:42:06,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002502036] [2020-10-16 11:42:06,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:42:06,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:06,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:42:06,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:42:06,893 INFO L87 Difference]: Start difference. First operand 180 states and 438 transitions. Second operand 4 states. [2020-10-16 11:42:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:06,931 INFO L93 Difference]: Finished difference Result 188 states and 466 transitions. [2020-10-16 11:42:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 11:42:06,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-16 11:42:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:06,932 INFO L225 Difference]: With dead ends: 188 [2020-10-16 11:42:06,933 INFO L226 Difference]: Without dead ends: 180 [2020-10-16 11:42:06,933 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 [2020-10-16 11:42:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-16 11:42:06,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 172. [2020-10-16 11:42:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-16 11:42:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 410 transitions. [2020-10-16 11:42:06,937 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 410 transitions. Word has length 28 [2020-10-16 11:42:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:06,937 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 410 transitions. [2020-10-16 11:42:06,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:42:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 410 transitions. [2020-10-16 11:42:06,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 11:42:06,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:42:06,938 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] [2020-10-16 11:42:06,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 11:42:06,938 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]=== [2020-10-16 11:42:06,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:42:06,939 INFO L82 PathProgramCache]: Analyzing trace with hash -121465774, now seen corresponding path program 1 times [2020-10-16 11:42:06,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:42:06,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702330538] [2020-10-16 11:42:06,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:42:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:42:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:42:06,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702330538] [2020-10-16 11:42:06,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:42:06,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:42:06,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625039079] [2020-10-16 11:42:06,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:42:06,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:42:06,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:42:06,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:42:06,997 INFO L87 Difference]: Start difference. First operand 172 states and 410 transitions. Second operand 6 states. [2020-10-16 11:42:07,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:42:07,074 INFO L93 Difference]: Finished difference Result 162 states and 419 transitions. [2020-10-16 11:42:07,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:42:07,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-16 11:42:07,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:42:07,075 INFO L225 Difference]: With dead ends: 162 [2020-10-16 11:42:07,075 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 11:42:07,075 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 [2020-10-16 11:42:07,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 11:42:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 11:42:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 11:42:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 11:42:07,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-16 11:42:07,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:42:07,076 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 11:42:07,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:42:07,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 11:42:07,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 11:42:07,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-16 11:42:07,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:42:07 BasicIcfg [2020-10-16 11:42:07,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:42:07,084 INFO L168 Benchmark]: Toolchain (without parser) took 18621.74 ms. Allocated memory was 141.6 MB in the beginning and 661.1 MB in the end (delta: 519.6 MB). Free memory was 103.0 MB in the beginning and 233.2 MB in the end (delta: -130.2 MB). Peak memory consumption was 389.4 MB. Max. memory is 7.1 GB. [2020-10-16 11:42:07,085 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-16 11:42:07,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.58 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 102.5 MB in the beginning and 159.7 MB in the end (delta: -57.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-10-16 11:42:07,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.78 ms. Allocated memory is still 203.9 MB. Free memory was 159.7 MB in the beginning and 156.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:42:07,091 INFO L168 Benchmark]: Boogie Preprocessor took 47.53 ms. Allocated memory is still 203.9 MB. Free memory was 156.8 MB in the beginning and 154.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 11:42:07,092 INFO L168 Benchmark]: RCFGBuilder took 1157.74 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 154.0 MB in the beginning and 160.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:42:07,096 INFO L168 Benchmark]: TraceAbstraction took 16587.46 ms. Allocated memory was 233.8 MB in the beginning and 661.1 MB in the end (delta: 427.3 MB). Free memory was 160.9 MB in the beginning and 233.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 355.0 MB. Max. memory is 7.1 GB. [2020-10-16 11:42:07,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.58 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 102.5 MB in the beginning and 159.7 MB in the end (delta: -57.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 84.78 ms. Allocated memory is still 203.9 MB. Free memory was 159.7 MB in the beginning and 156.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.53 ms. Allocated memory is still 203.9 MB. Free memory was 156.8 MB in the beginning and 154.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.74 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 154.0 MB in the beginning and 160.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16587.46 ms. Allocated memory was 233.8 MB in the beginning and 661.1 MB in the end (delta: 427.3 MB). Free memory was 160.9 MB in the beginning and 233.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 355.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5431 VarBasedMoverChecksPositive, 95 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 801 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.5s, 157 PlacesBefore, 66 PlacesAfterwards, 171 TransitionsBefore, 76 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 121 TotalNumberOfCompositions, 32265 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: 16.4s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 2709 SDtfs, 3575 SDslu, 6034 SDs, 0 SdLazy, 4994 SolverSat, 534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6471occurred 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: 2.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 14743 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 558 ConstructedInterpolants, 0 QuantifiedInterpolants, 47022 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...