/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:12:19,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:12:19,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:12:19,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:12:19,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:12:19,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:12:19,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:12:19,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:12:19,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:12:19,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:12:19,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:12:19,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:12:19,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:12:19,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:12:19,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:12:19,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:12:19,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:12:19,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:12:19,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:12:19,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:12:19,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:12:19,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:12:19,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:12:19,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:12:19,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:12:19,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:12:19,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:12:19,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:12:19,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:12:19,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:12:19,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:12:19,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:12:19,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:12:19,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:12:19,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:12:19,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:12:19,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:12:19,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:12:19,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:12:19,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:12:19,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:12:19,814 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:12:19,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:12:19,815 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:12:19,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:12:19,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:12:19,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:12:19,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:12:19,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:12:19,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:12:19,816 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:12:19,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:12:19,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:12:19,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:12:19,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:12:19,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:12:19,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:12:19,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:12:19,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:12:19,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:12:19,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:12:19,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:12:19,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:12:19,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:12:19,819 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:12:19,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:12:20,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:12:20,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:12:20,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:12:20,137 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:12:20,138 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:12:20,138 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-05 23:12:20,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284a1fc47/18df5414c58345b8aca22e396ef86186/FLAG888695b83 [2020-10-05 23:12:20,706 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:12:20,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2020-10-05 23:12:20,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284a1fc47/18df5414c58345b8aca22e396ef86186/FLAG888695b83 [2020-10-05 23:12:20,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284a1fc47/18df5414c58345b8aca22e396ef86186 [2020-10-05 23:12:20,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:12:20,991 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:12:20,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:12:20,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:12:20,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:12:20,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:12:20" (1/1) ... [2020-10-05 23:12:21,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90ef72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:20, skipping insertion in model container [2020-10-05 23:12:21,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:12:20" (1/1) ... [2020-10-05 23:12:21,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:12:21,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:12:21,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:12:21,551 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:12:21,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:12:21,694 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:12:21,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21 WrapperNode [2020-10-05 23:12:21,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:12:21,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:12:21,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:12:21,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:12:21,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:12:21,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:12:21,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:12:21,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:12:21,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (1/1) ... [2020-10-05 23:12:21,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:12:21,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:12:21,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:12:21,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:12:21,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (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 [2020-10-05 23:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-05 23:12:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-05 23:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-05 23:12:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-05 23:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 23:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-05 23:12:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-05 23:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 23:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 23:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:12:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:12:21,870 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:12:22,956 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:12:22,957 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:12:22,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:12:22 BoogieIcfgContainer [2020-10-05 23:12:22,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:12:22,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:12:22,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:12:22,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:12:22,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:12:20" (1/3) ... [2020-10-05 23:12:22,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f5ed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:12:22, skipping insertion in model container [2020-10-05 23:12:22,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:21" (2/3) ... [2020-10-05 23:12:22,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f5ed2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:12:22, skipping insertion in model container [2020-10-05 23:12:22,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:12:22" (3/3) ... [2020-10-05 23:12:22,967 INFO L109 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2020-10-05 23:12:22,978 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:12:22,978 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:12:22,986 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:12:22,987 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:12:23,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,023 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,026 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,027 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,028 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,028 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,030 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,030 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,030 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,032 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,032 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,032 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,032 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,033 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,033 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,033 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,033 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,033 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,034 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,034 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,034 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,035 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,036 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,036 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,036 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,036 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,036 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,037 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,037 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,037 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,037 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,037 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,037 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,038 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,038 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,038 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,042 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,042 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,043 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,043 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,044 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,044 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,044 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,044 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,044 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,045 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,045 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,045 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,045 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,045 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,047 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,047 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,050 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,050 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,050 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,051 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,051 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,051 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,052 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,052 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,053 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,053 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,054 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,055 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,055 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,056 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,056 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,057 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,064 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,064 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,065 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,066 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,067 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,067 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,068 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,068 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,068 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,069 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,069 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,070 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,070 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork0_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,070 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,074 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,074 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,074 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,074 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,074 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,075 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,075 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,075 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,075 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,075 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,076 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,076 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,076 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,076 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,076 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,076 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,077 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,077 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,077 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,079 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,079 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,080 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,080 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,080 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,080 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,080 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,080 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,081 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,081 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,081 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,081 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,081 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,082 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,082 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,082 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,082 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,082 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,083 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:23,114 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:12:23,134 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:12:23,135 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:12:23,135 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:12:23,135 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:12:23,135 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:12:23,135 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:12:23,135 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:12:23,136 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:12:23,156 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 171 transitions, 384 flow [2020-10-05 23:12:23,158 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2020-10-05 23:12:23,260 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2020-10-05 23:12:23,260 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-05 23:12:23,268 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. [2020-10-05 23:12:23,278 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2020-10-05 23:12:23,319 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2020-10-05 23:12:23,319 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-05 23:12:23,322 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. [2020-10-05 23:12:23,332 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10120 [2020-10-05 23:12:23,334 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:12:25,392 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-05 23:12:26,288 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-10-05 23:12:26,397 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-05 23:12:26,548 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-05 23:12:26,666 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-05 23:12:26,699 INFO L206 etLargeBlockEncoding]: Checked pairs total: 20473 [2020-10-05 23:12:26,699 INFO L214 etLargeBlockEncoding]: Total number of compositions: 117 [2020-10-05 23:12:26,702 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-05 23:12:26,990 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-05 23:12:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-05 23:12:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:12:27,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:27,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:27,013 INFO L427 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]=== [2020-10-05 23:12:27,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:27,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1429150528, now seen corresponding path program 1 times [2020-10-05 23:12:27,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:27,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766276956] [2020-10-05 23:12:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:27,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766276956] [2020-10-05 23:12:27,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:27,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:27,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457006439] [2020-10-05 23:12:27,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:27,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:27,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:27,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:27,301 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-05 23:12:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:27,461 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-05 23:12:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:27,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-05 23:12:27,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:27,543 INFO L225 Difference]: With dead ends: 5823 [2020-10-05 23:12:27,544 INFO L226 Difference]: Without dead ends: 4979 [2020-10-05 23:12:27,546 INFO L675 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 [2020-10-05 23:12:27,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-05 23:12:27,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-05 23:12:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-05 23:12:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-05 23:12:27,949 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-05 23:12:27,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:27,952 INFO L479 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-05 23:12:27,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-05 23:12:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:12:27,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:27,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:27,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:12:27,958 INFO L427 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]=== [2020-10-05 23:12:27,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:27,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1348815056, now seen corresponding path program 1 times [2020-10-05 23:12:27,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:27,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110617494] [2020-10-05 23:12:27,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:28,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110617494] [2020-10-05 23:12:28,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:28,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:12:28,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607338053] [2020-10-05 23:12:28,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:28,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:28,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:28,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:28,090 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-05 23:12:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:28,157 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-05 23:12:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:28,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 23:12:28,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:28,197 INFO L225 Difference]: With dead ends: 4347 [2020-10-05 23:12:28,198 INFO L226 Difference]: Without dead ends: 4347 [2020-10-05 23:12:28,199 INFO L675 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 [2020-10-05 23:12:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-05 23:12:28,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-05 23:12:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-05 23:12:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-05 23:12:28,361 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-05 23:12:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:28,361 INFO L479 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-05 23:12:28,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-05 23:12:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:12:28,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:28,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:28,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:12:28,365 INFO L427 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]=== [2020-10-05 23:12:28,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:28,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1348815207, now seen corresponding path program 1 times [2020-10-05 23:12:28,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:28,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974595228] [2020-10-05 23:12:28,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:28,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974595228] [2020-10-05 23:12:28,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:28,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:12:28,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068909880] [2020-10-05 23:12:28,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:28,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:28,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:28,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:28,433 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-05 23:12:28,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:28,486 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-05 23:12:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:28,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 23:12:28,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:28,522 INFO L225 Difference]: With dead ends: 4252 [2020-10-05 23:12:28,522 INFO L226 Difference]: Without dead ends: 4252 [2020-10-05 23:12:28,523 INFO L675 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 [2020-10-05 23:12:28,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-05 23:12:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-05 23:12:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-05 23:12:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-05 23:12:28,749 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-05 23:12:28,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:28,749 INFO L479 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-05 23:12:28,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-05 23:12:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:12:28,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:28,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:28,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:12:28,756 INFO L427 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]=== [2020-10-05 23:12:28,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:28,756 INFO L82 PathProgramCache]: Analyzing trace with hash -367488622, now seen corresponding path program 1 times [2020-10-05 23:12:28,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:28,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891509539] [2020-10-05 23:12:28,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:28,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891509539] [2020-10-05 23:12:28,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:28,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:12:28,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400514967] [2020-10-05 23:12:28,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:12:28,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:28,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:12:28,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:12:28,825 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 6 states. [2020-10-05 23:12:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:29,493 INFO L93 Difference]: Finished difference Result 9009 states and 34917 transitions. [2020-10-05 23:12:29,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-05 23:12:29,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-05 23:12:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:29,548 INFO L225 Difference]: With dead ends: 9009 [2020-10-05 23:12:29,549 INFO L226 Difference]: Without dead ends: 9009 [2020-10-05 23:12:29,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:12:29,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9009 states. [2020-10-05 23:12:30,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9009 to 4999. [2020-10-05 23:12:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4999 states. [2020-10-05 23:12:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 19391 transitions. [2020-10-05 23:12:30,268 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 19391 transitions. Word has length 17 [2020-10-05 23:12:30,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:30,268 INFO L479 AbstractCegarLoop]: Abstraction has 4999 states and 19391 transitions. [2020-10-05 23:12:30,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:12:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 19391 transitions. [2020-10-05 23:12:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:12:30,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:30,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:30,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:12:30,276 INFO L427 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]=== [2020-10-05 23:12:30,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:30,277 INFO L82 PathProgramCache]: Analyzing trace with hash -282524690, now seen corresponding path program 1 times [2020-10-05 23:12:30,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:30,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507692760] [2020-10-05 23:12:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:30,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507692760] [2020-10-05 23:12:30,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:30,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:12:30,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504739994] [2020-10-05 23:12:30,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:12:30,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:30,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:12:30,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:12:30,356 INFO L87 Difference]: Start difference. First operand 4999 states and 19391 transitions. Second operand 6 states. [2020-10-05 23:12:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:30,907 INFO L93 Difference]: Finished difference Result 9150 states and 34864 transitions. [2020-10-05 23:12:30,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-05 23:12:30,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-05 23:12:30,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:30,944 INFO L225 Difference]: With dead ends: 9150 [2020-10-05 23:12:30,944 INFO L226 Difference]: Without dead ends: 9150 [2020-10-05 23:12:30,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-05 23:12:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9150 states. [2020-10-05 23:12:31,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9150 to 4735. [2020-10-05 23:12:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4735 states. [2020-10-05 23:12:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 18239 transitions. [2020-10-05 23:12:31,153 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 18239 transitions. Word has length 17 [2020-10-05 23:12:31,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:31,153 INFO L479 AbstractCegarLoop]: Abstraction has 4735 states and 18239 transitions. [2020-10-05 23:12:31,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:12:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 18239 transitions. [2020-10-05 23:12:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:12:31,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:31,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:31,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:12:31,161 INFO L427 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]=== [2020-10-05 23:12:31,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:31,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1278040972, now seen corresponding path program 2 times [2020-10-05 23:12:31,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:31,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384696216] [2020-10-05 23:12:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:31,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384696216] [2020-10-05 23:12:31,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:31,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:31,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128906677] [2020-10-05 23:12:31,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:12:31,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:31,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:12:31,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:12:31,233 INFO L87 Difference]: Start difference. First operand 4735 states and 18239 transitions. Second operand 5 states. [2020-10-05 23:12:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:31,448 INFO L93 Difference]: Finished difference Result 6510 states and 24205 transitions. [2020-10-05 23:12:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:12:31,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-05 23:12:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:31,475 INFO L225 Difference]: With dead ends: 6510 [2020-10-05 23:12:31,475 INFO L226 Difference]: Without dead ends: 6510 [2020-10-05 23:12:31,476 INFO L675 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 [2020-10-05 23:12:31,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6510 states. [2020-10-05 23:12:31,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6471. [2020-10-05 23:12:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6471 states. [2020-10-05 23:12:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 24138 transitions. [2020-10-05 23:12:31,653 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 24138 transitions. Word has length 17 [2020-10-05 23:12:31,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:31,653 INFO L479 AbstractCegarLoop]: Abstraction has 6471 states and 24138 transitions. [2020-10-05 23:12:31,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:12:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 24138 transitions. [2020-10-05 23:12:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:12:31,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:31,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:31,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:12:31,662 INFO L427 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]=== [2020-10-05 23:12:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:31,663 INFO L82 PathProgramCache]: Analyzing trace with hash -20729748, now seen corresponding path program 1 times [2020-10-05 23:12:31,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:31,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488332679] [2020-10-05 23:12:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:31,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488332679] [2020-10-05 23:12:31,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:31,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:12:31,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493713774] [2020-10-05 23:12:31,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:12:31,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:31,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:12:31,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:12:31,700 INFO L87 Difference]: Start difference. First operand 6471 states and 24138 transitions. Second operand 4 states. [2020-10-05 23:12:31,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:31,796 INFO L93 Difference]: Finished difference Result 9072 states and 32565 transitions. [2020-10-05 23:12:31,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:12:31,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-05 23:12:31,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:31,809 INFO L225 Difference]: With dead ends: 9072 [2020-10-05 23:12:31,809 INFO L226 Difference]: Without dead ends: 4830 [2020-10-05 23:12:31,810 INFO L675 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 [2020-10-05 23:12:31,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2020-10-05 23:12:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4791. [2020-10-05 23:12:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4791 states. [2020-10-05 23:12:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 4791 states and 15955 transitions. [2020-10-05 23:12:31,932 INFO L78 Accepts]: Start accepts. Automaton has 4791 states and 15955 transitions. Word has length 17 [2020-10-05 23:12:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:31,933 INFO L479 AbstractCegarLoop]: Abstraction has 4791 states and 15955 transitions. [2020-10-05 23:12:31,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:12:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 15955 transitions. [2020-10-05 23:12:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:12:31,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:31,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:31,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:12:31,938 INFO L427 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]=== [2020-10-05 23:12:31,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:31,938 INFO L82 PathProgramCache]: Analyzing trace with hash 716258407, now seen corresponding path program 1 times [2020-10-05 23:12:31,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:31,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262998385] [2020-10-05 23:12:31,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:31,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262998385] [2020-10-05 23:12:31,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:31,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:12:31,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896970445] [2020-10-05 23:12:31,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:31,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:31,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:31,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:31,977 INFO L87 Difference]: Start difference. First operand 4791 states and 15955 transitions. Second operand 3 states. [2020-10-05 23:12:32,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:32,020 INFO L93 Difference]: Finished difference Result 4791 states and 15860 transitions. [2020-10-05 23:12:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:32,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-05 23:12:32,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:32,030 INFO L225 Difference]: With dead ends: 4791 [2020-10-05 23:12:32,031 INFO L226 Difference]: Without dead ends: 3417 [2020-10-05 23:12:32,031 INFO L675 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 [2020-10-05 23:12:32,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2020-10-05 23:12:32,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 2773. [2020-10-05 23:12:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2020-10-05 23:12:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 9023 transitions. [2020-10-05 23:12:32,170 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 9023 transitions. Word has length 19 [2020-10-05 23:12:32,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:32,171 INFO L479 AbstractCegarLoop]: Abstraction has 2773 states and 9023 transitions. [2020-10-05 23:12:32,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 9023 transitions. [2020-10-05 23:12:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:12:32,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:32,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:32,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:12:32,175 INFO L427 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]=== [2020-10-05 23:12:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:32,176 INFO L82 PathProgramCache]: Analyzing trace with hash -42612842, now seen corresponding path program 1 times [2020-10-05 23:12:32,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:32,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437068708] [2020-10-05 23:12:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:32,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437068708] [2020-10-05 23:12:32,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:32,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:12:32,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599047802] [2020-10-05 23:12:32,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:32,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:32,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:32,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:32,211 INFO L87 Difference]: Start difference. First operand 2773 states and 9023 transitions. Second operand 3 states. [2020-10-05 23:12:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:32,243 INFO L93 Difference]: Finished difference Result 2773 states and 8951 transitions. [2020-10-05 23:12:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:32,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-05 23:12:32,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:32,248 INFO L225 Difference]: With dead ends: 2773 [2020-10-05 23:12:32,248 INFO L226 Difference]: Without dead ends: 1368 [2020-10-05 23:12:32,249 INFO L675 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 [2020-10-05 23:12:32,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-05 23:12:32,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1222. [2020-10-05 23:12:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-05 23:12:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 3398 transitions. [2020-10-05 23:12:32,274 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 3398 transitions. Word has length 19 [2020-10-05 23:12:32,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:32,274 INFO L479 AbstractCegarLoop]: Abstraction has 1222 states and 3398 transitions. [2020-10-05 23:12:32,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 3398 transitions. [2020-10-05 23:12:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-05 23:12:32,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:32,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:32,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:12:32,277 INFO L427 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]=== [2020-10-05 23:12:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:32,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1652891015, now seen corresponding path program 1 times [2020-10-05 23:12:32,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:32,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578280560] [2020-10-05 23:12:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:32,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578280560] [2020-10-05 23:12:32,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:32,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:12:32,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446293127] [2020-10-05 23:12:32,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:32,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:32,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:32,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:32,307 INFO L87 Difference]: Start difference. First operand 1222 states and 3398 transitions. Second operand 3 states. [2020-10-05 23:12:32,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:32,330 INFO L93 Difference]: Finished difference Result 1114 states and 3012 transitions. [2020-10-05 23:12:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:32,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-05 23:12:32,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:32,332 INFO L225 Difference]: With dead ends: 1114 [2020-10-05 23:12:32,333 INFO L226 Difference]: Without dead ends: 1114 [2020-10-05 23:12:32,333 INFO L675 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 [2020-10-05 23:12:32,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2020-10-05 23:12:32,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1062. [2020-10-05 23:12:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2020-10-05 23:12:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2936 transitions. [2020-10-05 23:12:32,353 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2936 transitions. Word has length 22 [2020-10-05 23:12:32,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:32,353 INFO L479 AbstractCegarLoop]: Abstraction has 1062 states and 2936 transitions. [2020-10-05 23:12:32,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2936 transitions. [2020-10-05 23:12:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-05 23:12:32,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:32,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:32,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:12:32,356 INFO L427 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]=== [2020-10-05 23:12:32,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:32,356 INFO L82 PathProgramCache]: Analyzing trace with hash -886153004, now seen corresponding path program 1 times [2020-10-05 23:12:32,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:32,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462764978] [2020-10-05 23:12:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:32,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462764978] [2020-10-05 23:12:32,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:32,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:32,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440536121] [2020-10-05 23:12:32,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:32,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:32,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:32,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:32,383 INFO L87 Difference]: Start difference. First operand 1062 states and 2936 transitions. Second operand 3 states. [2020-10-05 23:12:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:32,408 INFO L93 Difference]: Finished difference Result 1074 states and 2829 transitions. [2020-10-05 23:12:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:32,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-05 23:12:32,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:32,411 INFO L225 Difference]: With dead ends: 1074 [2020-10-05 23:12:32,411 INFO L226 Difference]: Without dead ends: 1074 [2020-10-05 23:12:32,411 INFO L675 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 [2020-10-05 23:12:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-10-05 23:12:32,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1022. [2020-10-05 23:12:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-05 23:12:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 2753 transitions. [2020-10-05 23:12:32,433 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 2753 transitions. Word has length 22 [2020-10-05 23:12:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:32,433 INFO L479 AbstractCegarLoop]: Abstraction has 1022 states and 2753 transitions. [2020-10-05 23:12:32,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 2753 transitions. [2020-10-05 23:12:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-05 23:12:32,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:32,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:32,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:12:32,436 INFO L427 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]=== [2020-10-05 23:12:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:32,437 INFO L82 PathProgramCache]: Analyzing trace with hash -886152074, now seen corresponding path program 1 times [2020-10-05 23:12:32,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:32,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303456926] [2020-10-05 23:12:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:32,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303456926] [2020-10-05 23:12:32,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:32,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:12:32,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911204306] [2020-10-05 23:12:32,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:12:32,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:32,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:12:32,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:12:32,476 INFO L87 Difference]: Start difference. First operand 1022 states and 2753 transitions. Second operand 5 states. [2020-10-05 23:12:32,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:32,567 INFO L93 Difference]: Finished difference Result 1726 states and 4411 transitions. [2020-10-05 23:12:32,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:12:32,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-05 23:12:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:32,570 INFO L225 Difference]: With dead ends: 1726 [2020-10-05 23:12:32,571 INFO L226 Difference]: Without dead ends: 1616 [2020-10-05 23:12:32,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:32,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2020-10-05 23:12:32,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1284. [2020-10-05 23:12:32,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-10-05 23:12:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 3464 transitions. [2020-10-05 23:12:32,595 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 3464 transitions. Word has length 22 [2020-10-05 23:12:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:32,596 INFO L479 AbstractCegarLoop]: Abstraction has 1284 states and 3464 transitions. [2020-10-05 23:12:32,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:12:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 3464 transitions. [2020-10-05 23:12:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:32,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:32,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:32,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:12:32,600 INFO L427 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]=== [2020-10-05 23:12:32,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:32,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1501127876, now seen corresponding path program 1 times [2020-10-05 23:12:32,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:32,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574040714] [2020-10-05 23:12:32,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:32,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574040714] [2020-10-05 23:12:32,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:32,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 23:12:32,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56344278] [2020-10-05 23:12:32,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:12:32,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:32,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:12:32,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:12:32,668 INFO L87 Difference]: Start difference. First operand 1284 states and 3464 transitions. Second operand 8 states. [2020-10-05 23:12:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:33,234 INFO L93 Difference]: Finished difference Result 1761 states and 4569 transitions. [2020-10-05 23:12:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-05 23:12:33,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-05 23:12:33,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:33,239 INFO L225 Difference]: With dead ends: 1761 [2020-10-05 23:12:33,239 INFO L226 Difference]: Without dead ends: 1761 [2020-10-05 23:12:33,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-10-05 23:12:33,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2020-10-05 23:12:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1227. [2020-10-05 23:12:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2020-10-05 23:12:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3197 transitions. [2020-10-05 23:12:33,269 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3197 transitions. Word has length 23 [2020-10-05 23:12:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:33,270 INFO L479 AbstractCegarLoop]: Abstraction has 1227 states and 3197 transitions. [2020-10-05 23:12:33,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:12:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3197 transitions. [2020-10-05 23:12:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:33,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:33,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:33,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:12:33,275 INFO L427 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]=== [2020-10-05 23:12:33,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:33,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1586091808, now seen corresponding path program 1 times [2020-10-05 23:12:33,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:33,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989913107] [2020-10-05 23:12:33,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:33,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989913107] [2020-10-05 23:12:33,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:33,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 23:12:33,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283983727] [2020-10-05 23:12:33,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:12:33,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:33,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:12:33,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:12:33,395 INFO L87 Difference]: Start difference. First operand 1227 states and 3197 transitions. Second operand 8 states. [2020-10-05 23:12:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:33,966 INFO L93 Difference]: Finished difference Result 1632 states and 4243 transitions. [2020-10-05 23:12:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-05 23:12:33,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-05 23:12:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:33,969 INFO L225 Difference]: With dead ends: 1632 [2020-10-05 23:12:33,969 INFO L226 Difference]: Without dead ends: 1622 [2020-10-05 23:12:33,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-05 23:12:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2020-10-05 23:12:33,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1223. [2020-10-05 23:12:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-10-05 23:12:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 3182 transitions. [2020-10-05 23:12:33,994 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 3182 transitions. Word has length 23 [2020-10-05 23:12:33,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:33,994 INFO L479 AbstractCegarLoop]: Abstraction has 1223 states and 3182 transitions. [2020-10-05 23:12:33,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:12:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 3182 transitions. [2020-10-05 23:12:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:33,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:33,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:33,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-05 23:12:33,998 INFO L427 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]=== [2020-10-05 23:12:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:33,998 INFO L82 PathProgramCache]: Analyzing trace with hash -931030371, now seen corresponding path program 1 times [2020-10-05 23:12:33,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:33,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820878996] [2020-10-05 23:12:33,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:34,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820878996] [2020-10-05 23:12:34,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:34,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:34,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247697315] [2020-10-05 23:12:34,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:12:34,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:34,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:12:34,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:12:34,029 INFO L87 Difference]: Start difference. First operand 1223 states and 3182 transitions. Second operand 4 states. [2020-10-05 23:12:34,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:34,100 INFO L93 Difference]: Finished difference Result 1151 states and 2914 transitions. [2020-10-05 23:12:34,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:12:34,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-10-05 23:12:34,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:34,103 INFO L225 Difference]: With dead ends: 1151 [2020-10-05 23:12:34,103 INFO L226 Difference]: Without dead ends: 1092 [2020-10-05 23:12:34,103 INFO L675 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 [2020-10-05 23:12:34,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2020-10-05 23:12:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 903. [2020-10-05 23:12:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-10-05 23:12:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 2258 transitions. [2020-10-05 23:12:34,121 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 2258 transitions. Word has length 23 [2020-10-05 23:12:34,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:34,121 INFO L479 AbstractCegarLoop]: Abstraction has 903 states and 2258 transitions. [2020-10-05 23:12:34,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:12:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 2258 transitions. [2020-10-05 23:12:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:34,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:34,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:34,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-05 23:12:34,123 INFO L427 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]=== [2020-10-05 23:12:34,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:34,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1195948336, now seen corresponding path program 2 times [2020-10-05 23:12:34,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:34,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892769921] [2020-10-05 23:12:34,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:34,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892769921] [2020-10-05 23:12:34,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:34,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:12:34,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358893158] [2020-10-05 23:12:34,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:12:34,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:34,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:12:34,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:12:34,216 INFO L87 Difference]: Start difference. First operand 903 states and 2258 transitions. Second operand 9 states. [2020-10-05 23:12:34,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:34,818 INFO L93 Difference]: Finished difference Result 1562 states and 3848 transitions. [2020-10-05 23:12:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-05 23:12:34,819 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-05 23:12:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:34,822 INFO L225 Difference]: With dead ends: 1562 [2020-10-05 23:12:34,822 INFO L226 Difference]: Without dead ends: 1562 [2020-10-05 23:12:34,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-05 23:12:34,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2020-10-05 23:12:34,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1091. [2020-10-05 23:12:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-10-05 23:12:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2729 transitions. [2020-10-05 23:12:34,847 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2729 transitions. Word has length 23 [2020-10-05 23:12:34,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:34,847 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 2729 transitions. [2020-10-05 23:12:34,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:12:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2729 transitions. [2020-10-05 23:12:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:34,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:34,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:34,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-05 23:12:34,850 INFO L427 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]=== [2020-10-05 23:12:34,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:34,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1280912268, now seen corresponding path program 2 times [2020-10-05 23:12:34,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:34,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746541316] [2020-10-05 23:12:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:34,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746541316] [2020-10-05 23:12:34,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:34,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:12:34,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119863525] [2020-10-05 23:12:34,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:12:34,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:34,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:12:34,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:12:34,938 INFO L87 Difference]: Start difference. First operand 1091 states and 2729 transitions. Second operand 9 states. [2020-10-05 23:12:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:35,468 INFO L93 Difference]: Finished difference Result 1495 states and 3704 transitions. [2020-10-05 23:12:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-05 23:12:35,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-05 23:12:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:35,471 INFO L225 Difference]: With dead ends: 1495 [2020-10-05 23:12:35,471 INFO L226 Difference]: Without dead ends: 1495 [2020-10-05 23:12:35,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-05 23:12:35,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2020-10-05 23:12:35,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1082. [2020-10-05 23:12:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-10-05 23:12:35,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 2709 transitions. [2020-10-05 23:12:35,493 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 2709 transitions. Word has length 23 [2020-10-05 23:12:35,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:35,496 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 2709 transitions. [2020-10-05 23:12:35,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:12:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 2709 transitions. [2020-10-05 23:12:35,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:35,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:35,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:35,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-05 23:12:35,500 INFO L427 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]=== [2020-10-05 23:12:35,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:35,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1214275950, now seen corresponding path program 1 times [2020-10-05 23:12:35,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:35,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331530088] [2020-10-05 23:12:35,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:35,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331530088] [2020-10-05 23:12:35,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:35,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:12:35,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543782135] [2020-10-05 23:12:35,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:12:35,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:35,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:12:35,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:12:35,632 INFO L87 Difference]: Start difference. First operand 1082 states and 2709 transitions. Second operand 9 states. [2020-10-05 23:12:36,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:36,265 INFO L93 Difference]: Finished difference Result 1676 states and 4113 transitions. [2020-10-05 23:12:36,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-05 23:12:36,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-05 23:12:36,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:36,268 INFO L225 Difference]: With dead ends: 1676 [2020-10-05 23:12:36,268 INFO L226 Difference]: Without dead ends: 1651 [2020-10-05 23:12:36,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-05 23:12:36,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2020-10-05 23:12:36,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1096. [2020-10-05 23:12:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2020-10-05 23:12:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 2738 transitions. [2020-10-05 23:12:36,290 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 2738 transitions. Word has length 23 [2020-10-05 23:12:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:36,290 INFO L479 AbstractCegarLoop]: Abstraction has 1096 states and 2738 transitions. [2020-10-05 23:12:36,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:12:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 2738 transitions. [2020-10-05 23:12:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:36,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:36,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:36,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-05 23:12:36,293 INFO L427 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]=== [2020-10-05 23:12:36,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:36,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1299239882, now seen corresponding path program 1 times [2020-10-05 23:12:36,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:36,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221702682] [2020-10-05 23:12:36,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:36,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221702682] [2020-10-05 23:12:36,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:36,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:12:36,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207057912] [2020-10-05 23:12:36,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:12:36,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:36,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:12:36,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:12:36,409 INFO L87 Difference]: Start difference. First operand 1096 states and 2738 transitions. Second operand 9 states. [2020-10-05 23:12:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:36,909 INFO L93 Difference]: Finished difference Result 1573 states and 3903 transitions. [2020-10-05 23:12:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-05 23:12:36,909 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-05 23:12:36,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:36,911 INFO L225 Difference]: With dead ends: 1573 [2020-10-05 23:12:36,911 INFO L226 Difference]: Without dead ends: 1533 [2020-10-05 23:12:36,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-10-05 23:12:36,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-10-05 23:12:36,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1061. [2020-10-05 23:12:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2020-10-05 23:12:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 2704 transitions. [2020-10-05 23:12:36,935 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 2704 transitions. Word has length 23 [2020-10-05 23:12:36,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:36,935 INFO L479 AbstractCegarLoop]: Abstraction has 1061 states and 2704 transitions. [2020-10-05 23:12:36,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:12:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2704 transitions. [2020-10-05 23:12:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:36,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:36,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:36,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-05 23:12:36,938 INFO L427 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]=== [2020-10-05 23:12:36,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:36,939 INFO L82 PathProgramCache]: Analyzing trace with hash 265623602, now seen corresponding path program 2 times [2020-10-05 23:12:36,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:36,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850574633] [2020-10-05 23:12:36,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:37,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850574633] [2020-10-05 23:12:37,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:37,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:12:37,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496392282] [2020-10-05 23:12:37,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:12:37,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:37,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:12:37,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:12:37,040 INFO L87 Difference]: Start difference. First operand 1061 states and 2704 transitions. Second operand 9 states. [2020-10-05 23:12:37,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:37,561 INFO L93 Difference]: Finished difference Result 1627 states and 4017 transitions. [2020-10-05 23:12:37,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-05 23:12:37,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-05 23:12:37,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:37,564 INFO L225 Difference]: With dead ends: 1627 [2020-10-05 23:12:37,564 INFO L226 Difference]: Without dead ends: 1627 [2020-10-05 23:12:37,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-05 23:12:37,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2020-10-05 23:12:37,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1041. [2020-10-05 23:12:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-10-05 23:12:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 2668 transitions. [2020-10-05 23:12:37,585 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 2668 transitions. Word has length 23 [2020-10-05 23:12:37,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:37,585 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 2668 transitions. [2020-10-05 23:12:37,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:12:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2668 transitions. [2020-10-05 23:12:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:12:37,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:37,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:37,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-05 23:12:37,588 INFO L427 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]=== [2020-10-05 23:12:37,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:37,588 INFO L82 PathProgramCache]: Analyzing trace with hash 350587534, now seen corresponding path program 2 times [2020-10-05 23:12:37,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:37,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542951004] [2020-10-05 23:12:37,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:37,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542951004] [2020-10-05 23:12:37,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:37,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:12:37,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515140216] [2020-10-05 23:12:37,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:12:37,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:37,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:12:37,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:12:37,683 INFO L87 Difference]: Start difference. First operand 1041 states and 2668 transitions. Second operand 9 states. [2020-10-05 23:12:38,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:38,243 INFO L93 Difference]: Finished difference Result 1498 states and 3779 transitions. [2020-10-05 23:12:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-05 23:12:38,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-05 23:12:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:38,246 INFO L225 Difference]: With dead ends: 1498 [2020-10-05 23:12:38,246 INFO L226 Difference]: Without dead ends: 1498 [2020-10-05 23:12:38,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-05 23:12:38,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2020-10-05 23:12:38,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 861. [2020-10-05 23:12:38,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-05 23:12:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 2209 transitions. [2020-10-05 23:12:38,265 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 2209 transitions. Word has length 23 [2020-10-05 23:12:38,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:38,265 INFO L479 AbstractCegarLoop]: Abstraction has 861 states and 2209 transitions. [2020-10-05 23:12:38,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:12:38,265 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 2209 transitions. [2020-10-05 23:12:38,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:12:38,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:38,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:38,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-05 23:12:38,268 INFO L427 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]=== [2020-10-05 23:12:38,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:38,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1509948242, now seen corresponding path program 1 times [2020-10-05 23:12:38,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:38,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997054910] [2020-10-05 23:12:38,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:38,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997054910] [2020-10-05 23:12:38,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:38,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:12:38,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216713181] [2020-10-05 23:12:38,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:12:38,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:38,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:12:38,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:38,332 INFO L87 Difference]: Start difference. First operand 861 states and 2209 transitions. Second operand 7 states. [2020-10-05 23:12:38,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:38,598 INFO L93 Difference]: Finished difference Result 1022 states and 2647 transitions. [2020-10-05 23:12:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-05 23:12:38,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-05 23:12:38,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:38,600 INFO L225 Difference]: With dead ends: 1022 [2020-10-05 23:12:38,600 INFO L226 Difference]: Without dead ends: 741 [2020-10-05 23:12:38,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-10-05 23:12:38,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-05 23:12:38,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 612. [2020-10-05 23:12:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-05 23:12:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1528 transitions. [2020-10-05 23:12:38,612 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1528 transitions. Word has length 28 [2020-10-05 23:12:38,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:38,612 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 1528 transitions. [2020-10-05 23:12:38,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:12:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1528 transitions. [2020-10-05 23:12:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:12:38,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:38,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:38,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-05 23:12:38,614 INFO L427 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]=== [2020-10-05 23:12:38,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:38,614 INFO L82 PathProgramCache]: Analyzing trace with hash 2093632144, now seen corresponding path program 1 times [2020-10-05 23:12:38,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:38,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652014298] [2020-10-05 23:12:38,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:38,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652014298] [2020-10-05 23:12:38,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:38,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:12:38,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985445397] [2020-10-05 23:12:38,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:12:38,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:38,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:12:38,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:38,685 INFO L87 Difference]: Start difference. First operand 612 states and 1528 transitions. Second operand 7 states. [2020-10-05 23:12:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:38,929 INFO L93 Difference]: Finished difference Result 708 states and 1810 transitions. [2020-10-05 23:12:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-05 23:12:38,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-05 23:12:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:38,933 INFO L225 Difference]: With dead ends: 708 [2020-10-05 23:12:38,933 INFO L226 Difference]: Without dead ends: 388 [2020-10-05 23:12:38,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-10-05 23:12:38,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-05 23:12:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 344. [2020-10-05 23:12:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-05 23:12:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 834 transitions. [2020-10-05 23:12:38,939 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 834 transitions. Word has length 28 [2020-10-05 23:12:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:38,939 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 834 transitions. [2020-10-05 23:12:38,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:12:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 834 transitions. [2020-10-05 23:12:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:12:38,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:38,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:38,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-05 23:12:38,941 INFO L427 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]=== [2020-10-05 23:12:38,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:38,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1721070390, now seen corresponding path program 2 times [2020-10-05 23:12:38,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:38,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458927677] [2020-10-05 23:12:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:38,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458927677] [2020-10-05 23:12:38,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:38,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:12:38,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547308390] [2020-10-05 23:12:38,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:12:38,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:38,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:12:38,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:12:38,995 INFO L87 Difference]: Start difference. First operand 344 states and 834 transitions. Second operand 4 states. [2020-10-05 23:12:39,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:39,036 INFO L93 Difference]: Finished difference Result 352 states and 862 transitions. [2020-10-05 23:12:39,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:12:39,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-05 23:12:39,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:39,038 INFO L225 Difference]: With dead ends: 352 [2020-10-05 23:12:39,038 INFO L226 Difference]: Without dead ends: 344 [2020-10-05 23:12:39,038 INFO L675 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 [2020-10-05 23:12:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-05 23:12:39,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 336. [2020-10-05 23:12:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-10-05 23:12:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 806 transitions. [2020-10-05 23:12:39,043 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 806 transitions. Word has length 28 [2020-10-05 23:12:39,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:39,043 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 806 transitions. [2020-10-05 23:12:39,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:12:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 806 transitions. [2020-10-05 23:12:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:12:39,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:39,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:39,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-05 23:12:39,045 INFO L427 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]=== [2020-10-05 23:12:39,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:39,047 INFO L82 PathProgramCache]: Analyzing trace with hash -582438657, now seen corresponding path program 1 times [2020-10-05 23:12:39,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:39,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391305858] [2020-10-05 23:12:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:39,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391305858] [2020-10-05 23:12:39,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:39,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:12:39,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232195484] [2020-10-05 23:12:39,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:12:39,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:39,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:12:39,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:12:39,126 INFO L87 Difference]: Start difference. First operand 336 states and 806 transitions. Second operand 6 states. [2020-10-05 23:12:39,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:39,234 INFO L93 Difference]: Finished difference Result 358 states and 899 transitions. [2020-10-05 23:12:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:12:39,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-05 23:12:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:39,235 INFO L225 Difference]: With dead ends: 358 [2020-10-05 23:12:39,235 INFO L226 Difference]: Without dead ends: 212 [2020-10-05 23:12:39,236 INFO L675 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 [2020-10-05 23:12:39,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-05 23:12:39,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 180. [2020-10-05 23:12:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-05 23:12:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 438 transitions. [2020-10-05 23:12:39,239 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 438 transitions. Word has length 28 [2020-10-05 23:12:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:39,239 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 438 transitions. [2020-10-05 23:12:39,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:12:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 438 transitions. [2020-10-05 23:12:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:12:39,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:39,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:39,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-05 23:12:39,241 INFO L427 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]=== [2020-10-05 23:12:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:39,241 INFO L82 PathProgramCache]: Analyzing trace with hash 716425012, now seen corresponding path program 2 times [2020-10-05 23:12:39,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:39,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626504815] [2020-10-05 23:12:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:39,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626504815] [2020-10-05 23:12:39,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:39,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:12:39,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692199231] [2020-10-05 23:12:39,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:12:39,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:39,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:12:39,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:12:39,274 INFO L87 Difference]: Start difference. First operand 180 states and 438 transitions. Second operand 4 states. [2020-10-05 23:12:39,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:39,309 INFO L93 Difference]: Finished difference Result 188 states and 466 transitions. [2020-10-05 23:12:39,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:12:39,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-05 23:12:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:39,311 INFO L225 Difference]: With dead ends: 188 [2020-10-05 23:12:39,311 INFO L226 Difference]: Without dead ends: 180 [2020-10-05 23:12:39,311 INFO L675 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 [2020-10-05 23:12:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-05 23:12:39,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 172. [2020-10-05 23:12:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-05 23:12:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 410 transitions. [2020-10-05 23:12:39,317 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 410 transitions. Word has length 28 [2020-10-05 23:12:39,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:39,318 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 410 transitions. [2020-10-05 23:12:39,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:12:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 410 transitions. [2020-10-05 23:12:39,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:12:39,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:39,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:39,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-05 23:12:39,319 INFO L427 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]=== [2020-10-05 23:12:39,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:39,319 INFO L82 PathProgramCache]: Analyzing trace with hash -121465774, now seen corresponding path program 1 times [2020-10-05 23:12:39,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:39,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099607671] [2020-10-05 23:12:39,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:39,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099607671] [2020-10-05 23:12:39,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:39,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:12:39,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126478265] [2020-10-05 23:12:39,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:12:39,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:39,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:12:39,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:12:39,366 INFO L87 Difference]: Start difference. First operand 172 states and 410 transitions. Second operand 6 states. [2020-10-05 23:12:39,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:39,450 INFO L93 Difference]: Finished difference Result 162 states and 419 transitions. [2020-10-05 23:12:39,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:12:39,450 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-05 23:12:39,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:39,451 INFO L225 Difference]: With dead ends: 162 [2020-10-05 23:12:39,451 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:12:39,451 INFO L675 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 [2020-10-05 23:12:39,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:12:39,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:12:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:12:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:12:39,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-05 23:12:39,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:39,452 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:12:39,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:12:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:12:39,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:12:39,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-05 23:12:39,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:12:39 BasicIcfg [2020-10-05 23:12:39,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:12:39,461 INFO L168 Benchmark]: Toolchain (without parser) took 18470.37 ms. Allocated memory was 139.5 MB in the beginning and 684.7 MB in the end (delta: 545.3 MB). Free memory was 101.7 MB in the beginning and 483.0 MB in the end (delta: -381.4 MB). Peak memory consumption was 163.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:39,461 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:12:39,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.65 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 158.9 MB in the end (delta: -57.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:39,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.69 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 156.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:39,469 INFO L168 Benchmark]: Boogie Preprocessor took 44.16 ms. Allocated memory is still 202.9 MB. Free memory was 156.2 MB in the beginning and 154.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:39,470 INFO L168 Benchmark]: RCFGBuilder took 1153.78 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 154.1 MB in the beginning and 168.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:39,471 INFO L168 Benchmark]: TraceAbstraction took 16498.75 ms. Allocated memory was 235.9 MB in the beginning and 684.7 MB in the end (delta: 448.8 MB). Free memory was 167.2 MB in the beginning and 483.0 MB in the end (delta: -315.8 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:39,477 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.65 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 158.9 MB in the end (delta: -57.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.69 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 156.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.16 ms. Allocated memory is still 202.9 MB. Free memory was 156.2 MB in the beginning and 154.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1153.78 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 154.1 MB in the beginning and 168.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16498.75 ms. Allocated memory was 235.9 MB in the beginning and 684.7 MB in the end (delta: 448.8 MB). Free memory was 167.2 MB in the beginning and 483.0 MB in the end (delta: -315.8 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.5s, 157 ProgramPointsBefore, 66 ProgramPointsAfterwards, 171 TransitionsBefore, 76 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 5110 VarBasedMoverChecksPositive, 84 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 20473 CheckedPairsTotal, 117 TotalNumberOfCompositions - PositiveResult [Line: 701]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 708]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.3s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 2709 SDtfs, 3575 SDslu, 6034 SDs, 0 SdLazy, 4994 SolverSat, 534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6471occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 14743 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 558 ConstructedInterpolants, 0 QuantifiedInterpolants, 47022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...