/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 13:14:02,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 13:14:02,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 13:14:02,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 13:14:02,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 13:14:02,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 13:14:02,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 13:14:02,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 13:14:02,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 13:14:02,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 13:14:02,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 13:14:02,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 13:14:02,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 13:14:02,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 13:14:02,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 13:14:02,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 13:14:02,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 13:14:02,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 13:14:02,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 13:14:02,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 13:14:02,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 13:14:02,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 13:14:02,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 13:14:02,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 13:14:02,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 13:14:02,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 13:14:02,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 13:14:02,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 13:14:02,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 13:14:02,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 13:14:02,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 13:14:02,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 13:14:02,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 13:14:02,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 13:14:02,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 13:14:02,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 13:14:02,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 13:14:02,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 13:14:02,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 13:14:02,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 13:14:02,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 13:14:02,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 13:14:02,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 13:14:02,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 13:14:02,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 13:14:02,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 13:14:02,661 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 13:14:02,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 13:14:02,662 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 13:14:02,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 13:14:02,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 13:14:02,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 13:14:02,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 13:14:02,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 13:14:02,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 13:14:02,665 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 13:14:02,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 13:14:02,666 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 13:14:02,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 13:14:02,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 13:14:02,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 13:14:02,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 13:14:02,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 13:14:02,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 13:14:02,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 13:14:02,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 13:14:02,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 13:14:02,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 13:14:02,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 13:14:02,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 13:14:02,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 13:14:02,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 13:14:02,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 13:14:02,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 13:14:02,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 13:14:02,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 13:14:02,984 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 13:14:02,985 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-11 13:14:03,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e66d0ac3/7639db57301b48d49097094f548cccf9/FLAG5a180da5e [2020-10-11 13:14:03,538 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 13:14:03,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-11 13:14:03,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e66d0ac3/7639db57301b48d49097094f548cccf9/FLAG5a180da5e [2020-10-11 13:14:03,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e66d0ac3/7639db57301b48d49097094f548cccf9 [2020-10-11 13:14:03,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 13:14:03,864 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 13:14:03,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 13:14:03,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 13:14:03,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 13:14:03,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:14:03" (1/1) ... [2020-10-11 13:14:03,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669bbf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:03, skipping insertion in model container [2020-10-11 13:14:03,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:14:03" (1/1) ... [2020-10-11 13:14:03,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 13:14:03,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 13:14:04,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:14:04,428 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 13:14:04,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:14:04,579 INFO L208 MainTranslator]: Completed translation [2020-10-11 13:14:04,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04 WrapperNode [2020-10-11 13:14:04,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 13:14:04,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 13:14:04,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 13:14:04,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 13:14:04,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 13:14:04,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 13:14:04,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 13:14:04,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 13:14:04,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... [2020-10-11 13:14:04,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 13:14:04,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 13:14:04,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 13:14:04,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 13:14:04,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 13:14:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-11 13:14:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-11 13:14:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-11 13:14:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-11 13:14:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 13:14:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 13:14:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-11 13:14:04,773 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-11 13:14:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 13:14:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 13:14:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 13:14:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 13:14:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 13:14:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 13:14:04,777 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 13:14:05,830 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 13:14:05,830 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 13:14:05,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:14:05 BoogieIcfgContainer [2020-10-11 13:14:05,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 13:14:05,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 13:14:05,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 13:14:05,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 13:14:05,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:14:03" (1/3) ... [2020-10-11 13:14:05,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0b5aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:14:05, skipping insertion in model container [2020-10-11 13:14:05,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:14:04" (2/3) ... [2020-10-11 13:14:05,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0b5aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:14:05, skipping insertion in model container [2020-10-11 13:14:05,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:14:05" (3/3) ... [2020-10-11 13:14:05,841 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-11 13:14:05,852 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 13:14:05,852 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 13:14:05,859 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 13:14:05,860 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 13:14:05,895 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,895 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,895 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,896 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,896 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,896 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,897 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,897 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,897 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,897 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,897 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,898 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,898 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,898 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,899 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,899 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,899 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,899 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,899 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,900 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,900 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,900 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,900 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,901 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,901 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,901 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,901 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,901 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,902 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,902 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,902 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,902 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,902 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,902 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,903 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,903 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,903 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,904 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,904 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,904 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,904 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,904 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,905 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,905 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,905 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,905 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,905 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,906 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,906 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,906 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,906 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,906 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,907 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,907 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,907 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,907 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,907 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,907 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,908 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,908 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,908 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,908 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,908 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,909 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,909 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,909 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,909 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,909 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,909 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,910 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,911 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,911 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,911 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,911 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,912 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,912 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,912 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,912 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,912 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,913 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,913 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,913 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,913 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,913 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,914 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,914 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,914 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,914 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,914 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,914 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,915 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,915 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,915 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,915 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,916 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,916 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,916 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,916 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,916 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,917 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,917 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,917 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,917 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,917 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,918 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,918 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,918 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,918 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,918 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,919 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,919 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,919 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,919 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,919 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,920 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,920 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,920 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,920 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,920 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,921 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,921 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,921 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,921 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,921 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,922 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,922 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,922 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,922 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,922 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,922 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,923 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,923 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,923 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,923 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,923 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,924 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,924 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,924 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,924 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,924 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,924 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,925 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,925 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,925 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,925 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,925 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,925 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,926 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,926 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,926 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,926 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,926 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,927 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,927 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,927 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,927 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,927 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,927 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,928 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,928 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,928 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,928 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,928 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,928 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,929 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,929 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,929 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,929 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,929 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,930 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,930 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,930 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,930 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,930 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,931 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,931 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,934 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,935 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,935 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,935 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,935 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,935 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,936 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,936 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,936 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,936 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,936 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,937 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,937 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,937 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,937 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,937 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,937 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,938 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,938 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,938 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,938 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,938 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,939 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,939 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,939 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,939 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,939 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,939 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,940 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,940 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,940 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,940 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,940 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,941 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,941 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,947 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,947 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,947 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,947 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,947 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,948 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,948 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,948 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,948 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,948 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,948 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,949 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,949 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,949 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,949 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,949 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,950 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,950 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,950 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,951 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,952 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,952 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,952 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,952 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,952 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,953 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,953 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,953 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,953 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,953 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,954 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,954 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,954 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,954 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,954 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,955 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,955 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,955 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:14:05,976 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-11 13:14:05,995 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 13:14:05,995 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 13:14:05,996 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 13:14:05,996 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 13:14:05,996 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 13:14:05,996 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 13:14:05,996 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 13:14:05,996 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 13:14:06,011 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 13:14:06,013 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-11 13:14:06,016 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-11 13:14:06,018 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2020-10-11 13:14:06,085 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2020-10-11 13:14:06,085 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-11 13:14:06,093 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. [2020-10-11 13:14:06,102 INFO L117 LiptonReduction]: Number of co-enabled transitions 10120 [2020-10-11 13:14:09,342 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-11 13:14:09,908 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-10-11 13:14:10,019 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-11 13:14:10,158 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-11 13:14:10,272 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-11 13:14:10,309 INFO L132 LiptonReduction]: Checked pairs total: 28441 [2020-10-11 13:14:10,309 INFO L134 LiptonReduction]: Total number of compositions: 125 [2020-10-11 13:14:10,316 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-11 13:14:10,591 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-11 13:14:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-11 13:14:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-11 13:14:10,611 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:10,612 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:10,613 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]=== [2020-10-11 13:14:10,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:10,619 INFO L82 PathProgramCache]: Analyzing trace with hash -826932197, now seen corresponding path program 1 times [2020-10-11 13:14:10,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:10,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891398300] [2020-10-11 13:14:10,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:10,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891398300] [2020-10-11 13:14:10,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:10,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:14:10,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215676158] [2020-10-11 13:14:10,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:10,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:10,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:10,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:10,962 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-11 13:14:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:11,116 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-11 13:14:11,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:11,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-11 13:14:11,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:11,179 INFO L225 Difference]: With dead ends: 5823 [2020-10-11 13:14:11,180 INFO L226 Difference]: Without dead ends: 4979 [2020-10-11 13:14:11,181 INFO L673 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 [2020-10-11 13:14:11,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-11 13:14:11,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-11 13:14:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-11 13:14:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-11 13:14:11,518 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-11 13:14:11,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:11,525 INFO L481 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-11 13:14:11,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-11 13:14:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 13:14:11,530 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:11,530 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:11,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 13:14:11,531 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]=== [2020-10-11 13:14:11,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:11,531 INFO L82 PathProgramCache]: Analyzing trace with hash 140173334, now seen corresponding path program 1 times [2020-10-11 13:14:11,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:11,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25666843] [2020-10-11 13:14:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:11,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25666843] [2020-10-11 13:14:11,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:11,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 13:14:11,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769725513] [2020-10-11 13:14:11,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:11,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:11,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:11,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:11,628 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-11 13:14:11,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:11,701 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-11 13:14:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:11,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-11 13:14:11,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:11,749 INFO L225 Difference]: With dead ends: 4347 [2020-10-11 13:14:11,750 INFO L226 Difference]: Without dead ends: 4347 [2020-10-11 13:14:11,750 INFO L673 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 [2020-10-11 13:14:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-11 13:14:11,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-11 13:14:11,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-11 13:14:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-11 13:14:11,902 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-11 13:14:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:11,903 INFO L481 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-11 13:14:11,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-11 13:14:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 13:14:11,906 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:11,906 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:11,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 13:14:11,907 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]=== [2020-10-11 13:14:11,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:11,907 INFO L82 PathProgramCache]: Analyzing trace with hash 140173181, now seen corresponding path program 1 times [2020-10-11 13:14:11,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:11,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629804635] [2020-10-11 13:14:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:11,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629804635] [2020-10-11 13:14:11,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:11,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 13:14:11,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492993895] [2020-10-11 13:14:11,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:11,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:11,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:11,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:11,982 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-11 13:14:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:12,040 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-11 13:14:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:12,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-11 13:14:12,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:12,074 INFO L225 Difference]: With dead ends: 4252 [2020-10-11 13:14:12,074 INFO L226 Difference]: Without dead ends: 4252 [2020-10-11 13:14:12,075 INFO L673 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 [2020-10-11 13:14:12,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-11 13:14:12,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-11 13:14:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-11 13:14:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-11 13:14:12,208 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-11 13:14:12,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:12,208 INFO L481 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-11 13:14:12,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-11 13:14:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 13:14:12,214 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:12,214 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:12,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 13:14:12,215 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]=== [2020-10-11 13:14:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:12,215 INFO L82 PathProgramCache]: Analyzing trace with hash 816585883, now seen corresponding path program 1 times [2020-10-11 13:14:12,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:12,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839304371] [2020-10-11 13:14:12,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:12,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839304371] [2020-10-11 13:14:12,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:12,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:14:12,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472241537] [2020-10-11 13:14:12,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:12,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:12,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:12,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:12,246 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 3 states. [2020-10-11 13:14:12,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:12,314 INFO L93 Difference]: Finished difference Result 4406 states and 16453 transitions. [2020-10-11 13:14:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:12,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-11 13:14:12,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:12,337 INFO L225 Difference]: With dead ends: 4406 [2020-10-11 13:14:12,337 INFO L226 Difference]: Without dead ends: 4404 [2020-10-11 13:14:12,337 INFO L673 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 [2020-10-11 13:14:12,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2020-10-11 13:14:12,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4338. [2020-10-11 13:14:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2020-10-11 13:14:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 16249 transitions. [2020-10-11 13:14:12,470 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 16249 transitions. Word has length 17 [2020-10-11 13:14:12,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:12,470 INFO L481 AbstractCegarLoop]: Abstraction has 4338 states and 16249 transitions. [2020-10-11 13:14:12,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:12,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 16249 transitions. [2020-10-11 13:14:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 13:14:12,477 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:12,477 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:12,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 13:14:12,478 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]=== [2020-10-11 13:14:12,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:12,478 INFO L82 PathProgramCache]: Analyzing trace with hash -2055196038, now seen corresponding path program 1 times [2020-10-11 13:14:12,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:12,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047471082] [2020-10-11 13:14:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:12,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047471082] [2020-10-11 13:14:12,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:12,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 13:14:12,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237520139] [2020-10-11 13:14:12,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 13:14:12,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:12,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 13:14:12,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-11 13:14:12,551 INFO L87 Difference]: Start difference. First operand 4338 states and 16249 transitions. Second operand 6 states. [2020-10-11 13:14:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:12,897 INFO L93 Difference]: Finished difference Result 5317 states and 19476 transitions. [2020-10-11 13:14:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 13:14:12,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-11 13:14:12,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:12,917 INFO L225 Difference]: With dead ends: 5317 [2020-10-11 13:14:12,917 INFO L226 Difference]: Without dead ends: 5317 [2020-10-11 13:14:12,918 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:14:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-10-11 13:14:13,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4749. [2020-10-11 13:14:13,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4749 states. [2020-10-11 13:14:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 17702 transitions. [2020-10-11 13:14:13,060 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 17702 transitions. Word has length 17 [2020-10-11 13:14:13,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:13,060 INFO L481 AbstractCegarLoop]: Abstraction has 4749 states and 17702 transitions. [2020-10-11 13:14:13,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 13:14:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 17702 transitions. [2020-10-11 13:14:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 13:14:13,067 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:13,067 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:13,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 13:14:13,068 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]=== [2020-10-11 13:14:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash 181191796, now seen corresponding path program 2 times [2020-10-11 13:14:13,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:13,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131678153] [2020-10-11 13:14:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:13,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131678153] [2020-10-11 13:14:13,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:13,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:14:13,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766578034] [2020-10-11 13:14:13,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:14:13,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:13,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:14:13,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:14:13,136 INFO L87 Difference]: Start difference. First operand 4749 states and 17702 transitions. Second operand 5 states. [2020-10-11 13:14:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:13,268 INFO L93 Difference]: Finished difference Result 6512 states and 23578 transitions. [2020-10-11 13:14:13,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:14:13,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-11 13:14:13,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:13,295 INFO L225 Difference]: With dead ends: 6512 [2020-10-11 13:14:13,295 INFO L226 Difference]: Without dead ends: 6512 [2020-10-11 13:14:13,296 INFO L673 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 [2020-10-11 13:14:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2020-10-11 13:14:13,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 6473. [2020-10-11 13:14:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6473 states. [2020-10-11 13:14:13,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 23511 transitions. [2020-10-11 13:14:13,473 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 23511 transitions. Word has length 17 [2020-10-11 13:14:13,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:13,474 INFO L481 AbstractCegarLoop]: Abstraction has 6473 states and 23511 transitions. [2020-10-11 13:14:13,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:14:13,474 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 23511 transitions. [2020-10-11 13:14:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 13:14:13,482 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:13,482 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:13,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 13:14:13,482 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]=== [2020-10-11 13:14:13,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:13,483 INFO L82 PathProgramCache]: Analyzing trace with hash 443281263, now seen corresponding path program 1 times [2020-10-11 13:14:13,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:13,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230441254] [2020-10-11 13:14:13,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:13,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230441254] [2020-10-11 13:14:13,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:13,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:14:13,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927416439] [2020-10-11 13:14:13,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 13:14:13,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:13,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 13:14:13,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 13:14:13,520 INFO L87 Difference]: Start difference. First operand 6473 states and 23511 transitions. Second operand 4 states. [2020-10-11 13:14:13,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:13,616 INFO L93 Difference]: Finished difference Result 9062 states and 31848 transitions. [2020-10-11 13:14:13,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 13:14:13,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-11 13:14:13,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:13,635 INFO L225 Difference]: With dead ends: 9062 [2020-10-11 13:14:13,635 INFO L226 Difference]: Without dead ends: 4826 [2020-10-11 13:14:13,636 INFO L673 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 [2020-10-11 13:14:13,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-10-11 13:14:13,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4787. [2020-10-11 13:14:13,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2020-10-11 13:14:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 15798 transitions. [2020-10-11 13:14:13,894 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 15798 transitions. Word has length 17 [2020-10-11 13:14:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:13,894 INFO L481 AbstractCegarLoop]: Abstraction has 4787 states and 15798 transitions. [2020-10-11 13:14:13,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 13:14:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 15798 transitions. [2020-10-11 13:14:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-11 13:14:13,898 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:13,899 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:13,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 13:14:13,899 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]=== [2020-10-11 13:14:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:13,899 INFO L82 PathProgramCache]: Analyzing trace with hash -60740080, now seen corresponding path program 1 times [2020-10-11 13:14:13,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:13,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629664800] [2020-10-11 13:14:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:13,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629664800] [2020-10-11 13:14:13,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:13,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:14:13,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898768289] [2020-10-11 13:14:13,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:13,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:13,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:13,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:13,958 INFO L87 Difference]: Start difference. First operand 4787 states and 15798 transitions. Second operand 3 states. [2020-10-11 13:14:13,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:13,995 INFO L93 Difference]: Finished difference Result 4787 states and 15703 transitions. [2020-10-11 13:14:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:13,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-11 13:14:13,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:14,007 INFO L225 Difference]: With dead ends: 4787 [2020-10-11 13:14:14,007 INFO L226 Difference]: Without dead ends: 3413 [2020-10-11 13:14:14,007 INFO L673 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 [2020-10-11 13:14:14,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2020-10-11 13:14:14,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2769. [2020-10-11 13:14:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-10-11 13:14:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 8888 transitions. [2020-10-11 13:14:14,070 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 8888 transitions. Word has length 19 [2020-10-11 13:14:14,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:14,071 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 8888 transitions. [2020-10-11 13:14:14,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 8888 transitions. [2020-10-11 13:14:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-11 13:14:14,074 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:14,074 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:14:14,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 13:14:14,075 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]=== [2020-10-11 13:14:14,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:14,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1627364503, now seen corresponding path program 1 times [2020-10-11 13:14:14,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:14,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946459872] [2020-10-11 13:14:14,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:14,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946459872] [2020-10-11 13:14:14,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:14,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:14:14,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42939923] [2020-10-11 13:14:14,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:14,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:14,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:14,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:14,109 INFO L87 Difference]: Start difference. First operand 2769 states and 8888 transitions. Second operand 3 states. [2020-10-11 13:14:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:14,136 INFO L93 Difference]: Finished difference Result 2769 states and 8816 transitions. [2020-10-11 13:14:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:14,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-11 13:14:14,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:14,142 INFO L225 Difference]: With dead ends: 2769 [2020-10-11 13:14:14,143 INFO L226 Difference]: Without dead ends: 1364 [2020-10-11 13:14:14,143 INFO L673 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 [2020-10-11 13:14:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-10-11 13:14:14,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1218. [2020-10-11 13:14:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-11 13:14:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 3285 transitions. [2020-10-11 13:14:14,166 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 3285 transitions. Word has length 19 [2020-10-11 13:14:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:14,166 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 3285 transitions. [2020-10-11 13:14:14,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 3285 transitions. [2020-10-11 13:14:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-11 13:14:14,169 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:14,169 INFO L421 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] [2020-10-11 13:14:14,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 13:14:14,169 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]=== [2020-10-11 13:14:14,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:14,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1178946213, now seen corresponding path program 1 times [2020-10-11 13:14:14,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:14,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448441374] [2020-10-11 13:14:14,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:14,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448441374] [2020-10-11 13:14:14,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:14,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:14:14,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814269466] [2020-10-11 13:14:14,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:14,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:14,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:14,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:14,197 INFO L87 Difference]: Start difference. First operand 1218 states and 3285 transitions. Second operand 3 states. [2020-10-11 13:14:14,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:14,231 INFO L93 Difference]: Finished difference Result 1506 states and 3996 transitions. [2020-10-11 13:14:14,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:14,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-11 13:14:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:14,236 INFO L225 Difference]: With dead ends: 1506 [2020-10-11 13:14:14,236 INFO L226 Difference]: Without dead ends: 1506 [2020-10-11 13:14:14,236 INFO L673 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 [2020-10-11 13:14:14,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2020-10-11 13:14:14,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1258. [2020-10-11 13:14:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2020-10-11 13:14:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 3388 transitions. [2020-10-11 13:14:14,269 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 3388 transitions. Word has length 22 [2020-10-11 13:14:14,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:14,270 INFO L481 AbstractCegarLoop]: Abstraction has 1258 states and 3388 transitions. [2020-10-11 13:14:14,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 3388 transitions. [2020-10-11 13:14:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-11 13:14:14,273 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:14,274 INFO L421 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] [2020-10-11 13:14:14,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 13:14:14,274 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]=== [2020-10-11 13:14:14,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:14,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1178947143, now seen corresponding path program 1 times [2020-10-11 13:14:14,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:14,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439026482] [2020-10-11 13:14:14,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:14,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439026482] [2020-10-11 13:14:14,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:14,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 13:14:14,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040357768] [2020-10-11 13:14:14,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:14:14,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:14,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:14:14,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:14:14,323 INFO L87 Difference]: Start difference. First operand 1258 states and 3388 transitions. Second operand 5 states. [2020-10-11 13:14:14,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:14,415 INFO L93 Difference]: Finished difference Result 1646 states and 4241 transitions. [2020-10-11 13:14:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:14:14,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-11 13:14:14,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:14,419 INFO L225 Difference]: With dead ends: 1646 [2020-10-11 13:14:14,419 INFO L226 Difference]: Without dead ends: 1586 [2020-10-11 13:14:14,420 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:14:14,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-10-11 13:14:14,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1300. [2020-10-11 13:14:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2020-10-11 13:14:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 3501 transitions. [2020-10-11 13:14:14,445 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 3501 transitions. Word has length 22 [2020-10-11 13:14:14,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:14,445 INFO L481 AbstractCegarLoop]: Abstraction has 1300 states and 3501 transitions. [2020-10-11 13:14:14,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:14:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 3501 transitions. [2020-10-11 13:14:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-11 13:14:14,448 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:14,448 INFO L421 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] [2020-10-11 13:14:14,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 13:14:14,448 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]=== [2020-10-11 13:14:14,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:14,449 INFO L82 PathProgramCache]: Analyzing trace with hash 412208202, now seen corresponding path program 1 times [2020-10-11 13:14:14,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:14,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269440069] [2020-10-11 13:14:14,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:14,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269440069] [2020-10-11 13:14:14,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:14,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:14:14,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932040575] [2020-10-11 13:14:14,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:14:14,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:14,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:14:14,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:14:14,480 INFO L87 Difference]: Start difference. First operand 1300 states and 3501 transitions. Second operand 3 states. [2020-10-11 13:14:14,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:14,500 INFO L93 Difference]: Finished difference Result 914 states and 2299 transitions. [2020-10-11 13:14:14,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:14:14,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-11 13:14:14,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:14,504 INFO L225 Difference]: With dead ends: 914 [2020-10-11 13:14:14,504 INFO L226 Difference]: Without dead ends: 914 [2020-10-11 13:14:14,505 INFO L673 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 [2020-10-11 13:14:14,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-11 13:14:14,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 862. [2020-10-11 13:14:14,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-11 13:14:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2223 transitions. [2020-10-11 13:14:14,519 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2223 transitions. Word has length 22 [2020-10-11 13:14:14,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:14,519 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2223 transitions. [2020-10-11 13:14:14,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:14:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2223 transitions. [2020-10-11 13:14:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-11 13:14:14,521 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:14,522 INFO L421 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] [2020-10-11 13:14:14,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 13:14:14,522 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]=== [2020-10-11 13:14:14,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:14,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1525455808, now seen corresponding path program 1 times [2020-10-11 13:14:14,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:14,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679758333] [2020-10-11 13:14:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:14,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:14,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679758333] [2020-10-11 13:14:14,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:14,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 13:14:14,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388383982] [2020-10-11 13:14:14,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:14:14,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:14,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:14:14,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:14:14,564 INFO L87 Difference]: Start difference. First operand 862 states and 2223 transitions. Second operand 5 states. [2020-10-11 13:14:14,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:14,633 INFO L93 Difference]: Finished difference Result 919 states and 2443 transitions. [2020-10-11 13:14:14,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 13:14:14,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-11 13:14:14,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:14,635 INFO L225 Difference]: With dead ends: 919 [2020-10-11 13:14:14,635 INFO L226 Difference]: Without dead ends: 908 [2020-10-11 13:14:14,636 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-11 13:14:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-11 13:14:14,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 851. [2020-10-11 13:14:14,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2020-10-11 13:14:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 2188 transitions. [2020-10-11 13:14:14,650 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 2188 transitions. Word has length 23 [2020-10-11 13:14:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:14,650 INFO L481 AbstractCegarLoop]: Abstraction has 851 states and 2188 transitions. [2020-10-11 13:14:14,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:14:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2188 transitions. [2020-10-11 13:14:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-11 13:14:14,653 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:14,653 INFO L421 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] [2020-10-11 13:14:14,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 13:14:14,653 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]=== [2020-10-11 13:14:14,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:14,653 INFO L82 PathProgramCache]: Analyzing trace with hash -930235892, now seen corresponding path program 1 times [2020-10-11 13:14:14,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:14,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391967516] [2020-10-11 13:14:14,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:14,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391967516] [2020-10-11 13:14:14,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:14,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 13:14:14,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271254377] [2020-10-11 13:14:14,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 13:14:14,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:14,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 13:14:14,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-11 13:14:14,719 INFO L87 Difference]: Start difference. First operand 851 states and 2188 transitions. Second operand 8 states. [2020-10-11 13:14:15,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:15,038 INFO L93 Difference]: Finished difference Result 1011 states and 2580 transitions. [2020-10-11 13:14:15,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 13:14:15,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-11 13:14:15,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:15,040 INFO L225 Difference]: With dead ends: 1011 [2020-10-11 13:14:15,040 INFO L226 Difference]: Without dead ends: 1000 [2020-10-11 13:14:15,041 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-11 13:14:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-11 13:14:15,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 874. [2020-10-11 13:14:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-10-11 13:14:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 2218 transitions. [2020-10-11 13:14:15,058 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 2218 transitions. Word has length 23 [2020-10-11 13:14:15,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:15,058 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 2218 transitions. [2020-10-11 13:14:15,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 13:14:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2218 transitions. [2020-10-11 13:14:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-11 13:14:15,061 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:15,061 INFO L421 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] [2020-10-11 13:14:15,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 13:14:15,061 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]=== [2020-10-11 13:14:15,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:15,062 INFO L82 PathProgramCache]: Analyzing trace with hash 88029372, now seen corresponding path program 2 times [2020-10-11 13:14:15,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:15,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447596397] [2020-10-11 13:14:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:15,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447596397] [2020-10-11 13:14:15,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:15,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 13:14:15,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319761687] [2020-10-11 13:14:15,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:14:15,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:15,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:14:15,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:14:15,154 INFO L87 Difference]: Start difference. First operand 874 states and 2218 transitions. Second operand 9 states. [2020-10-11 13:14:15,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:15,799 INFO L93 Difference]: Finished difference Result 944 states and 2445 transitions. [2020-10-11 13:14:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 13:14:15,799 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-11 13:14:15,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:15,801 INFO L225 Difference]: With dead ends: 944 [2020-10-11 13:14:15,801 INFO L226 Difference]: Without dead ends: 944 [2020-10-11 13:14:15,802 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-11 13:14:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-11 13:14:15,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 825. [2020-10-11 13:14:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-11 13:14:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 2111 transitions. [2020-10-11 13:14:15,817 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 2111 transitions. Word has length 23 [2020-10-11 13:14:15,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:15,817 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 2111 transitions. [2020-10-11 13:14:15,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:14:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2111 transitions. [2020-10-11 13:14:15,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-11 13:14:15,819 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:15,819 INFO L421 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] [2020-10-11 13:14:15,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 13:14:15,819 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]=== [2020-10-11 13:14:15,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:15,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1259864773, now seen corresponding path program 1 times [2020-10-11 13:14:15,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:15,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139270904] [2020-10-11 13:14:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:15,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139270904] [2020-10-11 13:14:15,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:15,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 13:14:15,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361619344] [2020-10-11 13:14:15,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:14:15,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:15,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:14:15,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:14:15,956 INFO L87 Difference]: Start difference. First operand 825 states and 2111 transitions. Second operand 9 states. [2020-10-11 13:14:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:16,421 INFO L93 Difference]: Finished difference Result 1139 states and 2886 transitions. [2020-10-11 13:14:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 13:14:16,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-11 13:14:16,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:16,424 INFO L225 Difference]: With dead ends: 1139 [2020-10-11 13:14:16,424 INFO L226 Difference]: Without dead ends: 1139 [2020-10-11 13:14:16,425 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2020-10-11 13:14:16,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-10-11 13:14:16,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 916. [2020-10-11 13:14:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-10-11 13:14:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 2352 transitions. [2020-10-11 13:14:16,441 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 2352 transitions. Word has length 23 [2020-10-11 13:14:16,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:16,442 INFO L481 AbstractCegarLoop]: Abstraction has 916 states and 2352 transitions. [2020-10-11 13:14:16,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:14:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2352 transitions. [2020-10-11 13:14:16,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-11 13:14:16,444 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:16,444 INFO L421 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] [2020-10-11 13:14:16,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 13:14:16,444 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]=== [2020-10-11 13:14:16,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:16,445 INFO L82 PathProgramCache]: Analyzing trace with hash 903980331, now seen corresponding path program 2 times [2020-10-11 13:14:16,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:16,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642763206] [2020-10-11 13:14:16,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:16,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642763206] [2020-10-11 13:14:16,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:16,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 13:14:16,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636646122] [2020-10-11 13:14:16,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:14:16,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:16,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:14:16,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:14:16,534 INFO L87 Difference]: Start difference. First operand 916 states and 2352 transitions. Second operand 9 states. [2020-10-11 13:14:17,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:17,100 INFO L93 Difference]: Finished difference Result 958 states and 2533 transitions. [2020-10-11 13:14:17,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 13:14:17,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-11 13:14:17,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:17,102 INFO L225 Difference]: With dead ends: 958 [2020-10-11 13:14:17,102 INFO L226 Difference]: Without dead ends: 958 [2020-10-11 13:14:17,102 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-11 13:14:17,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-10-11 13:14:17,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 800. [2020-10-11 13:14:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-10-11 13:14:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2051 transitions. [2020-10-11 13:14:17,116 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2051 transitions. Word has length 23 [2020-10-11 13:14:17,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:17,116 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 2051 transitions. [2020-10-11 13:14:17,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:14:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2051 transitions. [2020-10-11 13:14:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:17,118 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:17,118 INFO L421 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] [2020-10-11 13:14:17,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 13:14:17,119 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]=== [2020-10-11 13:14:17,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:17,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1146557510, now seen corresponding path program 1 times [2020-10-11 13:14:17,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:17,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369593142] [2020-10-11 13:14:17,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:17,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369593142] [2020-10-11 13:14:17,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:17,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:14:17,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388821641] [2020-10-11 13:14:17,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 13:14:17,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:17,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 13:14:17,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 13:14:17,157 INFO L87 Difference]: Start difference. First operand 800 states and 2051 transitions. Second operand 4 states. [2020-10-11 13:14:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:17,205 INFO L93 Difference]: Finished difference Result 947 states and 2484 transitions. [2020-10-11 13:14:17,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 13:14:17,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-11 13:14:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:17,207 INFO L225 Difference]: With dead ends: 947 [2020-10-11 13:14:17,207 INFO L226 Difference]: Without dead ends: 901 [2020-10-11 13:14:17,207 INFO L673 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 [2020-10-11 13:14:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-11 13:14:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 762. [2020-10-11 13:14:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-11 13:14:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1946 transitions. [2020-10-11 13:14:17,221 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1946 transitions. Word has length 28 [2020-10-11 13:14:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:17,221 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1946 transitions. [2020-10-11 13:14:17,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 13:14:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1946 transitions. [2020-10-11 13:14:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:17,223 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:17,223 INFO L421 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] [2020-10-11 13:14:17,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-11 13:14:17,224 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]=== [2020-10-11 13:14:17,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:17,224 INFO L82 PathProgramCache]: Analyzing trace with hash 899824519, now seen corresponding path program 1 times [2020-10-11 13:14:17,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:17,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988931881] [2020-10-11 13:14:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:17,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988931881] [2020-10-11 13:14:17,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:17,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:17,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899132314] [2020-10-11 13:14:17,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:14:17,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:17,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:14:17,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:14:17,281 INFO L87 Difference]: Start difference. First operand 762 states and 1946 transitions. Second operand 7 states. [2020-10-11 13:14:17,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:17,433 INFO L93 Difference]: Finished difference Result 836 states and 2163 transitions. [2020-10-11 13:14:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 13:14:17,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-11 13:14:17,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:17,435 INFO L225 Difference]: With dead ends: 836 [2020-10-11 13:14:17,435 INFO L226 Difference]: Without dead ends: 739 [2020-10-11 13:14:17,435 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-11 13:14:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-10-11 13:14:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 690. [2020-10-11 13:14:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-11 13:14:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1772 transitions. [2020-10-11 13:14:17,446 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1772 transitions. Word has length 28 [2020-10-11 13:14:17,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:17,446 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 1772 transitions. [2020-10-11 13:14:17,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:14:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1772 transitions. [2020-10-11 13:14:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:17,447 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:17,448 INFO L421 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] [2020-10-11 13:14:17,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-11 13:14:17,448 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]=== [2020-10-11 13:14:17,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:17,448 INFO L82 PathProgramCache]: Analyzing trace with hash 418390647, now seen corresponding path program 2 times [2020-10-11 13:14:17,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:17,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682469274] [2020-10-11 13:14:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:17,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682469274] [2020-10-11 13:14:17,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:17,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:17,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922632684] [2020-10-11 13:14:17,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:14:17,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:17,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:14:17,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:14:17,521 INFO L87 Difference]: Start difference. First operand 690 states and 1772 transitions. Second operand 7 states. [2020-10-11 13:14:17,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:17,693 INFO L93 Difference]: Finished difference Result 884 states and 2325 transitions. [2020-10-11 13:14:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 13:14:17,693 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-11 13:14:17,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:17,695 INFO L225 Difference]: With dead ends: 884 [2020-10-11 13:14:17,695 INFO L226 Difference]: Without dead ends: 741 [2020-10-11 13:14:17,695 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-11 13:14:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-11 13:14:17,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 632. [2020-10-11 13:14:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-11 13:14:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1625 transitions. [2020-10-11 13:14:17,706 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1625 transitions. Word has length 28 [2020-10-11 13:14:17,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:17,706 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 1625 transitions. [2020-10-11 13:14:17,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:14:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1625 transitions. [2020-10-11 13:14:17,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:17,708 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:17,708 INFO L421 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] [2020-10-11 13:14:17,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-11 13:14:17,708 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]=== [2020-10-11 13:14:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:17,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1685908442, now seen corresponding path program 1 times [2020-10-11 13:14:17,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:17,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880523596] [2020-10-11 13:14:17,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:17,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880523596] [2020-10-11 13:14:17,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:17,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:17,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31398965] [2020-10-11 13:14:17,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:14:17,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:17,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:14:17,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:14:17,872 INFO L87 Difference]: Start difference. First operand 632 states and 1625 transitions. Second operand 7 states. [2020-10-11 13:14:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:18,000 INFO L93 Difference]: Finished difference Result 695 states and 1850 transitions. [2020-10-11 13:14:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 13:14:18,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-11 13:14:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:18,002 INFO L225 Difference]: With dead ends: 695 [2020-10-11 13:14:18,002 INFO L226 Difference]: Without dead ends: 600 [2020-10-11 13:14:18,002 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-11 13:14:18,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-10-11 13:14:18,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 562. [2020-10-11 13:14:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-11 13:14:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1455 transitions. [2020-10-11 13:14:18,015 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1455 transitions. Word has length 28 [2020-10-11 13:14:18,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:18,016 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 1455 transitions. [2020-10-11 13:14:18,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:14:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1455 transitions. [2020-10-11 13:14:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:18,018 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:18,018 INFO L421 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] [2020-10-11 13:14:18,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-11 13:14:18,018 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]=== [2020-10-11 13:14:18,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:18,019 INFO L82 PathProgramCache]: Analyzing trace with hash -686866746, now seen corresponding path program 2 times [2020-10-11 13:14:18,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:18,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94199197] [2020-10-11 13:14:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:18,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94199197] [2020-10-11 13:14:18,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:18,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:18,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693399300] [2020-10-11 13:14:18,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:14:18,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:18,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:14:18,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:14:18,083 INFO L87 Difference]: Start difference. First operand 562 states and 1455 transitions. Second operand 7 states. [2020-10-11 13:14:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:18,256 INFO L93 Difference]: Finished difference Result 759 states and 2045 transitions. [2020-10-11 13:14:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 13:14:18,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-11 13:14:18,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:18,258 INFO L225 Difference]: With dead ends: 759 [2020-10-11 13:14:18,258 INFO L226 Difference]: Without dead ends: 538 [2020-10-11 13:14:18,258 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-11 13:14:18,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-11 13:14:18,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 464. [2020-10-11 13:14:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-11 13:14:18,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1177 transitions. [2020-10-11 13:14:18,267 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1177 transitions. Word has length 28 [2020-10-11 13:14:18,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:18,267 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1177 transitions. [2020-10-11 13:14:18,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:14:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1177 transitions. [2020-10-11 13:14:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:18,269 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:18,269 INFO L421 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] [2020-10-11 13:14:18,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-11 13:14:18,269 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]=== [2020-10-11 13:14:18,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:18,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1554648590, now seen corresponding path program 3 times [2020-10-11 13:14:18,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:18,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518142676] [2020-10-11 13:14:18,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:18,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518142676] [2020-10-11 13:14:18,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:18,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:18,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119490918] [2020-10-11 13:14:18,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:14:18,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:18,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:14:18,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:14:18,329 INFO L87 Difference]: Start difference. First operand 464 states and 1177 transitions. Second operand 7 states. [2020-10-11 13:14:18,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:18,502 INFO L93 Difference]: Finished difference Result 538 states and 1357 transitions. [2020-10-11 13:14:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 13:14:18,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-11 13:14:18,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:18,503 INFO L225 Difference]: With dead ends: 538 [2020-10-11 13:14:18,504 INFO L226 Difference]: Without dead ends: 453 [2020-10-11 13:14:18,504 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-11 13:14:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-10-11 13:14:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 401. [2020-10-11 13:14:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-11 13:14:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 993 transitions. [2020-10-11 13:14:18,512 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 993 transitions. Word has length 28 [2020-10-11 13:14:18,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:18,513 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 993 transitions. [2020-10-11 13:14:18,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:14:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 993 transitions. [2020-10-11 13:14:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:18,514 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:18,514 INFO L421 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] [2020-10-11 13:14:18,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-11 13:14:18,515 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]=== [2020-10-11 13:14:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:18,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1316107438, now seen corresponding path program 4 times [2020-10-11 13:14:18,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:18,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877209324] [2020-10-11 13:14:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:18,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877209324] [2020-10-11 13:14:18,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:18,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 13:14:18,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482509354] [2020-10-11 13:14:18,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 13:14:18,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:18,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 13:14:18,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 13:14:18,543 INFO L87 Difference]: Start difference. First operand 401 states and 993 transitions. Second operand 4 states. [2020-10-11 13:14:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:18,580 INFO L93 Difference]: Finished difference Result 409 states and 1021 transitions. [2020-10-11 13:14:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 13:14:18,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-11 13:14:18,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:18,581 INFO L225 Difference]: With dead ends: 409 [2020-10-11 13:14:18,582 INFO L226 Difference]: Without dead ends: 401 [2020-10-11 13:14:18,582 INFO L673 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 [2020-10-11 13:14:18,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-11 13:14:18,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 393. [2020-10-11 13:14:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-10-11 13:14:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 965 transitions. [2020-10-11 13:14:18,588 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 965 transitions. Word has length 28 [2020-10-11 13:14:18,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:18,589 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 965 transitions. [2020-10-11 13:14:18,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 13:14:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 965 transitions. [2020-10-11 13:14:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:18,590 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:18,590 INFO L421 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] [2020-10-11 13:14:18,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-11 13:14:18,590 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]=== [2020-10-11 13:14:18,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:18,590 INFO L82 PathProgramCache]: Analyzing trace with hash -148672596, now seen corresponding path program 1 times [2020-10-11 13:14:18,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:18,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718557221] [2020-10-11 13:14:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:18,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718557221] [2020-10-11 13:14:18,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:18,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:18,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709292009] [2020-10-11 13:14:18,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 13:14:18,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:18,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 13:14:18,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-11 13:14:18,630 INFO L87 Difference]: Start difference. First operand 393 states and 965 transitions. Second operand 6 states. [2020-10-11 13:14:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:18,732 INFO L93 Difference]: Finished difference Result 415 states and 1058 transitions. [2020-10-11 13:14:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:14:18,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-11 13:14:18,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:18,734 INFO L225 Difference]: With dead ends: 415 [2020-10-11 13:14:18,734 INFO L226 Difference]: Without dead ends: 269 [2020-10-11 13:14:18,734 INFO L673 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 [2020-10-11 13:14:18,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-11 13:14:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2020-10-11 13:14:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-11 13:14:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 587 transitions. [2020-10-11 13:14:18,740 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 587 transitions. Word has length 28 [2020-10-11 13:14:18,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:18,740 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 587 transitions. [2020-10-11 13:14:18,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 13:14:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 587 transitions. [2020-10-11 13:14:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:18,741 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:18,741 INFO L421 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] [2020-10-11 13:14:18,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-11 13:14:18,741 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]=== [2020-10-11 13:14:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:18,742 INFO L82 PathProgramCache]: Analyzing trace with hash 962127783, now seen corresponding path program 3 times [2020-10-11 13:14:18,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:18,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951299249] [2020-10-11 13:14:18,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:18,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951299249] [2020-10-11 13:14:18,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:18,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:18,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294311090] [2020-10-11 13:14:18,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:14:18,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:18,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:14:18,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:14:18,826 INFO L87 Difference]: Start difference. First operand 237 states and 587 transitions. Second operand 7 states. [2020-10-11 13:14:18,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:18,971 INFO L93 Difference]: Finished difference Result 303 states and 753 transitions. [2020-10-11 13:14:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 13:14:18,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-11 13:14:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:18,972 INFO L225 Difference]: With dead ends: 303 [2020-10-11 13:14:18,972 INFO L226 Difference]: Without dead ends: 230 [2020-10-11 13:14:18,972 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-11 13:14:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-11 13:14:18,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2020-10-11 13:14:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-11 13:14:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 438 transitions. [2020-10-11 13:14:18,977 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 438 transitions. Word has length 28 [2020-10-11 13:14:18,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:18,977 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 438 transitions. [2020-10-11 13:14:18,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:14:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 438 transitions. [2020-10-11 13:14:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:14:18,978 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:14:18,978 INFO L421 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] [2020-10-11 13:14:18,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-11 13:14:18,979 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]=== [2020-10-11 13:14:18,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:14:18,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1602322120, now seen corresponding path program 2 times [2020-10-11 13:14:18,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:14:18,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154426836] [2020-10-11 13:14:18,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:14:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:14:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:14:19,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154426836] [2020-10-11 13:14:19,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:14:19,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 13:14:19,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919788277] [2020-10-11 13:14:19,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 13:14:19,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:14:19,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 13:14:19,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-11 13:14:19,043 INFO L87 Difference]: Start difference. First operand 180 states and 438 transitions. Second operand 6 states. [2020-10-11 13:14:19,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:14:19,129 INFO L93 Difference]: Finished difference Result 172 states and 454 transitions. [2020-10-11 13:14:19,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:14:19,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-11 13:14:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:14:19,130 INFO L225 Difference]: With dead ends: 172 [2020-10-11 13:14:19,130 INFO L226 Difference]: Without dead ends: 0 [2020-10-11 13:14:19,130 INFO L673 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 [2020-10-11 13:14:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-11 13:14:19,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-11 13:14:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-11 13:14:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-11 13:14:19,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-11 13:14:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:14:19,131 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-11 13:14:19,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 13:14:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-11 13:14:19,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-11 13:14:19,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-11 13:14:19,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:14:19 BasicIcfg [2020-10-11 13:14:19,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 13:14:19,137 INFO L168 Benchmark]: Toolchain (without parser) took 15274.63 ms. Allocated memory was 246.4 MB in the beginning and 740.8 MB in the end (delta: 494.4 MB). Free memory was 200.9 MB in the beginning and 318.5 MB in the end (delta: -117.6 MB). Peak memory consumption was 376.8 MB. Max. memory is 14.2 GB. [2020-10-11 13:14:19,138 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 246.4 MB. Free memory was 224.5 MB in the beginning and 223.6 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 14.2 GB. [2020-10-11 13:14:19,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.74 ms. Allocated memory was 246.4 MB in the beginning and 299.9 MB in the end (delta: 53.5 MB). Free memory was 200.9 MB in the beginning and 252.8 MB in the end (delta: -51.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. [2020-10-11 13:14:19,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.50 ms. Allocated memory is still 299.9 MB. Free memory was 252.8 MB in the beginning and 250.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:14:19,144 INFO L168 Benchmark]: Boogie Preprocessor took 36.96 ms. Allocated memory is still 299.9 MB. Free memory was 250.2 MB in the beginning and 247.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:14:19,144 INFO L168 Benchmark]: RCFGBuilder took 1129.11 ms. Allocated memory was 299.9 MB in the beginning and 351.3 MB in the end (delta: 51.4 MB). Free memory was 247.7 MB in the beginning and 310.2 MB in the end (delta: -62.5 MB). Peak memory consumption was 101.7 MB. Max. memory is 14.2 GB. [2020-10-11 13:14:19,144 INFO L168 Benchmark]: TraceAbstraction took 13302.23 ms. Allocated memory was 351.3 MB in the beginning and 740.8 MB in the end (delta: 389.5 MB). Free memory was 310.2 MB in the beginning and 318.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 381.2 MB. Max. memory is 14.2 GB. [2020-10-11 13:14:19,146 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 246.4 MB. Free memory was 224.5 MB in the beginning and 223.6 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 715.74 ms. Allocated memory was 246.4 MB in the beginning and 299.9 MB in the end (delta: 53.5 MB). Free memory was 200.9 MB in the beginning and 252.8 MB in the end (delta: -51.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 85.50 ms. Allocated memory is still 299.9 MB. Free memory was 252.8 MB in the beginning and 250.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.96 ms. Allocated memory is still 299.9 MB. Free memory was 250.2 MB in the beginning and 247.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1129.11 ms. Allocated memory was 299.9 MB in the beginning and 351.3 MB in the end (delta: 51.4 MB). Free memory was 247.7 MB in the beginning and 310.2 MB in the end (delta: -62.5 MB). Peak memory consumption was 101.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 13302.23 ms. Allocated memory was 351.3 MB in the beginning and 740.8 MB in the end (delta: 389.5 MB). Free memory was 310.2 MB in the beginning and 318.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 381.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7130 VarBasedMoverChecksPositive, 152 VarBasedMoverChecksNegative, 37 SemBasedMoverChecksPositive, 115 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 1186 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 157 PlacesBefore, 66 PlacesAfterwards, 171 TransitionsBefore, 76 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 125 TotalNumberOfCompositions, 28441 MoverChecksTotal - PositiveResult [Line: 701]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 708]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.1s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 2091 SDtfs, 2589 SDslu, 4024 SDs, 0 SdLazy, 3117 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6473occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 27 MinimizatonAttempts, 3859 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 605 NumberOfCodeBlocks, 605 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 55710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...