/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 22:21:58,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 22:21:58,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 22:21:58,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 22:21:58,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 22:21:58,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 22:21:58,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 22:21:58,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 22:21:58,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 22:21:58,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 22:21:58,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 22:21:58,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 22:21:58,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 22:21:58,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 22:21:58,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 22:21:58,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 22:21:58,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 22:21:58,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 22:21:58,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 22:21:58,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 22:21:58,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 22:21:58,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 22:21:58,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 22:21:58,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 22:21:58,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 22:21:58,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 22:21:58,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 22:21:58,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 22:21:58,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 22:21:58,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 22:21:58,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 22:21:58,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 22:21:58,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 22:21:58,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 22:21:58,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 22:21:58,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 22:21:58,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-05 22:21:58,802 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 22:21:58,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 22:21:58,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 22:21:58,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 22:21:58,805 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 22:21:58,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 22:21:58,805 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 22:21:58,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 22:21:58,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 22:21:58,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 22:21:58,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 22:21:58,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 22:21:58,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 22:21:58,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 22:21:58,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 22:21:58,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 22:21:58,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 22:21:58,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 22:21:58,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 22:21:58,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 22:21:58,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 22:21:58,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:21:58,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 22:21:58,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-05 22:21:58,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 22:21:58,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 22:21:58,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 22:21:58,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 22:21:58,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-05 22:21:58,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-05 22:21:59,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 22:21:59,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 22:21:59,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 22:21:59,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 22:21:59,125 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 22:21:59,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-10-05 22:21:59,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/752a979b4/341445a28e2948858b60b391b626ec9f/FLAG964de8434 [2020-10-05 22:21:59,743 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 22:21:59,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-10-05 22:21:59,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/752a979b4/341445a28e2948858b60b391b626ec9f/FLAG964de8434 [2020-10-05 22:22:00,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/752a979b4/341445a28e2948858b60b391b626ec9f [2020-10-05 22:22:00,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 22:22:00,058 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 22:22:00,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 22:22:00,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 22:22:00,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 22:22:00,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd61ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00, skipping insertion in model container [2020-10-05 22:22:00,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 22:22:00,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 22:22:00,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:22:00,643 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 22:22:00,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:22:00,769 INFO L208 MainTranslator]: Completed translation [2020-10-05 22:22:00,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00 WrapperNode [2020-10-05 22:22:00,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 22:22:00,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 22:22:00,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 22:22:00,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 22:22:00,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 22:22:00,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 22:22:00,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 22:22:00,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 22:22:00,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (1/1) ... [2020-10-05 22:22:00,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 22:22:00,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 22:22:00,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 22:22:00,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 22:22:00,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (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 22:22:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-05 22:22:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-05 22:22:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-05 22:22:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-05 22:22:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 22:22:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 22:22:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-05 22:22:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-05 22:22:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 22:22:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 22:22:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 22:22:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 22:22:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 22:22:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 22:22:00,950 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 22:22:02,116 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 22:22:02,117 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 22:22:02,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:22:02 BoogieIcfgContainer [2020-10-05 22:22:02,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 22:22:02,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 22:22:02,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 22:22:02,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 22:22:02,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:22:00" (1/3) ... [2020-10-05 22:22:02,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d44491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:22:02, skipping insertion in model container [2020-10-05 22:22:02,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:22:00" (2/3) ... [2020-10-05 22:22:02,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d44491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:22:02, skipping insertion in model container [2020-10-05 22:22:02,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:22:02" (3/3) ... [2020-10-05 22:22:02,128 INFO L109 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2020-10-05 22:22:02,139 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 22:22:02,139 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-05 22:22:02,147 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 22:22:02,148 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 22:22:02,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,187 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,187 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,189 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,189 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,189 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,190 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,190 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,190 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,190 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,191 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,191 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,191 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,191 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,193 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,193 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,194 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,194 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,194 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,195 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,195 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,195 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,195 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,196 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,196 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,198 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,199 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,200 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,201 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,203 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,203 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,204 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,204 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,205 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,205 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,205 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,206 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,208 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,209 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,210 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,210 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,211 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,211 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,212 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,212 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,212 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,212 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,213 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,213 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,213 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,214 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,215 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,215 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,216 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,216 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,218 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,218 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,218 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,218 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,219 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,219 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,219 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,219 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,219 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,224 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,225 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,225 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,225 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,225 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,225 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,226 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,226 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,226 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,226 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,226 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,227 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,227 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,228 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,233 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,233 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,233 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,233 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,235 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,235 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,243 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,244 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,245 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,245 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,246 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,246 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,247 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,247 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:22:02,269 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 22:22:02,291 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 22:22:02,291 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 22:22:02,291 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-05 22:22:02,292 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 22:22:02,292 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 22:22:02,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 22:22:02,292 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 22:22:02,292 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 22:22:02,312 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 167 transitions, 376 flow [2020-10-05 22:22:02,314 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 167 transitions, 376 flow [2020-10-05 22:22:02,389 INFO L129 PetriNetUnfolder]: 23/175 cut-off events. [2020-10-05 22:22:02,389 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-05 22:22:02,398 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 175 events. 23/175 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 445 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 137. Up to 6 conditions per place. [2020-10-05 22:22:02,408 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 167 transitions, 376 flow [2020-10-05 22:22:02,446 INFO L129 PetriNetUnfolder]: 23/175 cut-off events. [2020-10-05 22:22:02,446 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-05 22:22:02,449 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 175 events. 23/175 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 445 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 137. Up to 6 conditions per place. [2020-10-05 22:22:02,457 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9672 [2020-10-05 22:22:02,459 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-10-05 22:22:05,832 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-10-05 22:22:05,970 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-05 22:22:06,021 INFO L206 etLargeBlockEncoding]: Checked pairs total: 15634 [2020-10-05 22:22:06,021 INFO L214 etLargeBlockEncoding]: Total number of compositions: 115 [2020-10-05 22:22:06,025 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-05 22:22:06,316 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-05 22:22:06,319 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-05 22:22:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 22:22:06,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:22:06,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:22:06,340 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 22:22:06,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:22:06,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1556586359, now seen corresponding path program 1 times [2020-10-05 22:22:06,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:22:06,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724396429] [2020-10-05 22:22:06,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:22:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:22:06,678 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 22:22:06,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724396429] [2020-10-05 22:22:06,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:22:06,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:22:06,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912281809] [2020-10-05 22:22:06,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:22:06,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:22:06,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:22:06,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:22:06,705 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-05 22:22:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:22:06,851 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-05 22:22:06,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:22:06,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-05 22:22:06,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:22:06,922 INFO L225 Difference]: With dead ends: 5823 [2020-10-05 22:22:06,922 INFO L226 Difference]: Without dead ends: 4979 [2020-10-05 22:22:06,924 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 22:22:06,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-05 22:22:07,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-05 22:22:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-05 22:22:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-05 22:22:07,247 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-05 22:22:07,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:22:07,248 INFO L479 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-05 22:22:07,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:22:07,248 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-05 22:22:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 22:22:07,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:22:07,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:22:07,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 22:22:07,253 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 22:22:07,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:22:07,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1004872474, now seen corresponding path program 1 times [2020-10-05 22:22:07,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:22:07,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021962851] [2020-10-05 22:22:07,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:22:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:22:07,335 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 22:22:07,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021962851] [2020-10-05 22:22:07,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:22:07,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 22:22:07,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663072810] [2020-10-05 22:22:07,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:22:07,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:22:07,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:22:07,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:22:07,339 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-05 22:22:07,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:22:07,450 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-05 22:22:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:22:07,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 22:22:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:22:07,491 INFO L225 Difference]: With dead ends: 4347 [2020-10-05 22:22:07,491 INFO L226 Difference]: Without dead ends: 4347 [2020-10-05 22:22:07,500 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 22:22:07,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-05 22:22:07,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-05 22:22:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-05 22:22:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-05 22:22:07,681 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-05 22:22:07,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:22:07,681 INFO L479 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-05 22:22:07,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:22:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-05 22:22:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 22:22:07,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:22:07,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:22:07,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 22:22:07,686 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 22:22:07,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:22:07,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1004872403, now seen corresponding path program 1 times [2020-10-05 22:22:07,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:22:07,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881924270] [2020-10-05 22:22:07,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:22:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:22:07,728 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 22:22:07,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881924270] [2020-10-05 22:22:07,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:22:07,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 22:22:07,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420763512] [2020-10-05 22:22:07,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:22:07,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:22:07,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:22:07,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:22:07,731 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-05 22:22:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:22:07,787 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-05 22:22:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:22:07,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 22:22:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:22:07,825 INFO L225 Difference]: With dead ends: 4252 [2020-10-05 22:22:07,826 INFO L226 Difference]: Without dead ends: 4252 [2020-10-05 22:22:07,826 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 22:22:07,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-05 22:22:07,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-05 22:22:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-05 22:22:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-05 22:22:07,981 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-05 22:22:07,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:22:07,982 INFO L479 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-05 22:22:07,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:22:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-05 22:22:07,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 22:22:07,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:22:07,989 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 22:22:07,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 22:22:07,989 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 22:22:07,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:22:07,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1651504396, now seen corresponding path program 1 times [2020-10-05 22:22:07,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:22:07,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309130252] [2020-10-05 22:22:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:22:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:22:08,159 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 22:22:08,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309130252] [2020-10-05 22:22:08,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:22:08,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 22:22:08,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809557311] [2020-10-05 22:22:08,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 22:22:08,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:22:08,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 22:22:08,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-05 22:22:08,161 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 6 states. [2020-10-05 22:22:08,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:22:08,471 INFO L93 Difference]: Finished difference Result 5385 states and 19726 transitions. [2020-10-05 22:22:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 22:22:08,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-05 22:22:08,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:22:08,502 INFO L225 Difference]: With dead ends: 5385 [2020-10-05 22:22:08,502 INFO L226 Difference]: Without dead ends: 5383 [2020-10-05 22:22:08,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-05 22:22:08,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5383 states. [2020-10-05 22:22:08,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5383 to 4617. [2020-10-05 22:22:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4617 states. [2020-10-05 22:22:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 17216 transitions. [2020-10-05 22:22:08,664 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 17216 transitions. Word has length 17 [2020-10-05 22:22:08,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:22:08,664 INFO L479 AbstractCegarLoop]: Abstraction has 4617 states and 17216 transitions. [2020-10-05 22:22:08,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 22:22:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 17216 transitions. [2020-10-05 22:22:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 22:22:08,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:22:08,671 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 22:22:08,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 22:22:08,672 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 22:22:08,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:22:08,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1928657646, now seen corresponding path program 1 times [2020-10-05 22:22:08,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:22:08,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385227650] [2020-10-05 22:22:08,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:22:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:22:08,750 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 22:22:08,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385227650] [2020-10-05 22:22:08,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:22:08,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 22:22:08,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943711081] [2020-10-05 22:22:08,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 22:22:08,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:22:08,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 22:22:08,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-05 22:22:08,752 INFO L87 Difference]: Start difference. First operand 4617 states and 17216 transitions. Second operand 6 states. [2020-10-05 22:22:09,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:22:09,015 INFO L93 Difference]: Finished difference Result 5464 states and 19957 transitions. [2020-10-05 22:22:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 22:22:09,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-05 22:22:09,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:22:09,039 INFO L225 Difference]: With dead ends: 5464 [2020-10-05 22:22:09,040 INFO L226 Difference]: Without dead ends: 5464 [2020-10-05 22:22:09,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:22:09,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2020-10-05 22:22:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 4749. [2020-10-05 22:22:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4749 states. [2020-10-05 22:22:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 17702 transitions. [2020-10-05 22:22:09,282 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 17702 transitions. Word has length 17 [2020-10-05 22:22:09,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:22:09,283 INFO L479 AbstractCegarLoop]: Abstraction has 4749 states and 17702 transitions. [2020-10-05 22:22:09,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 22:22:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 17702 transitions. [2020-10-05 22:22:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 22:22:09,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:22:09,291 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 22:22:09,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 22:22:09,291 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 22:22:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:22:09,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2099605270, now seen corresponding path program 2 times [2020-10-05 22:22:09,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:22:09,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428271353] [2020-10-05 22:22:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:22:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:22:09,355 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 22:22:09,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428271353] [2020-10-05 22:22:09,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:22:09,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 22:22:09,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757566223] [2020-10-05 22:22:09,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 22:22:09,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:22:09,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 22:22:09,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-05 22:22:09,358 INFO L87 Difference]: Start difference. First operand 4749 states and 17702 transitions. Second operand 6 states. [2020-10-05 22:22:09,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:22:09,615 INFO L93 Difference]: Finished difference Result 5449 states and 20109 transitions. [2020-10-05 22:22:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 22:22:09,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-05 22:22:09,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:22:09,647 INFO L225 Difference]: With dead ends: 5449 [2020-10-05 22:22:09,648 INFO L226 Difference]: Without dead ends: 5449 [2020-10-05 22:22:09,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-05 22:22:09,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5449 states. [2020-10-05 22:22:09,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5449 to 4617. [2020-10-05 22:22:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4617 states. [2020-10-05 22:22:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 17216 transitions. [2020-10-05 22:22:09,797 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 17216 transitions. Word has length 17 [2020-10-05 22:22:09,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:22:09,798 INFO L479 AbstractCegarLoop]: Abstraction has 4617 states and 17216 transitions. [2020-10-05 22:22:09,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 22:22:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 17216 transitions. [2020-10-05 22:22:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 22:22:09,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:22:09,804 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 22:22:09,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 22:22:09,805 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 22:22:09,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:22:09,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2057227030, now seen corresponding path program 3 times [2020-10-05 22:22:09,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:22:09,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495799335] [2020-10-05 22:22:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:22:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:22:09,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:22:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:22:09,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:22:09,915 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 22:22:09,916 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 22:22:09,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 22:22:09,930 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 22:22:09,930 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 22:22:09,931 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 22:22:09,931 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 22:22:09,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:22:09 BasicIcfg [2020-10-05 22:22:09,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 22:22:09,966 INFO L168 Benchmark]: Toolchain (without parser) took 9907.68 ms. Allocated memory was 138.9 MB in the beginning and 411.6 MB in the end (delta: 272.6 MB). Free memory was 100.6 MB in the beginning and 124.4 MB in the end (delta: -23.8 MB). Peak memory consumption was 248.8 MB. Max. memory is 7.1 GB. [2020-10-05 22:22:09,967 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-05 22:22:09,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.04 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 158.5 MB in the end (delta: -58.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-10-05 22:22:09,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.46 ms. Allocated memory is still 201.9 MB. Free memory was 158.5 MB in the beginning and 155.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 22:22:09,970 INFO L168 Benchmark]: Boogie Preprocessor took 39.95 ms. Allocated memory is still 201.9 MB. Free memory was 155.6 MB in the beginning and 153.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:22:09,971 INFO L168 Benchmark]: RCFGBuilder took 1243.43 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 153.7 MB in the beginning and 171.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:22:09,972 INFO L168 Benchmark]: TraceAbstraction took 7843.70 ms. Allocated memory was 233.8 MB in the beginning and 411.6 MB in the end (delta: 177.7 MB). Free memory was 171.7 MB in the beginning and 124.4 MB in the end (delta: 47.2 MB). Peak memory consumption was 225.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:22:09,976 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.04 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 158.5 MB in the end (delta: -58.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.46 ms. Allocated memory is still 201.9 MB. Free memory was 158.5 MB in the beginning and 155.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.95 ms. Allocated memory is still 201.9 MB. Free memory was 155.6 MB in the beginning and 153.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1243.43 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 153.7 MB in the beginning and 171.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7843.70 ms. Allocated memory was 233.8 MB in the beginning and 411.6 MB in the end (delta: 177.7 MB). Free memory was 171.7 MB in the beginning and 124.4 MB in the end (delta: 47.2 MB). Peak memory consumption was 225.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.7s, 153 ProgramPointsBefore, 66 ProgramPointsAfterwards, 167 TransitionsBefore, 76 TransitionsAfterwards, 9672 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 4 ChoiceCompositions, 4929 VarBasedMoverChecksPositive, 98 VarBasedMoverChecksNegative, 32 SemBasedMoverChecksPositive, 95 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 15634 CheckedPairsTotal, 115 TotalNumberOfCompositions - CounterExampleResult [Line: 701]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L678] 0 int idx=0; [L679] 0 int ctr1=1, ctr2=0; [L680] 0 int readerprogress1=0, readerprogress2=0; [L681] 0 pthread_mutex_t mutex; [L771] 0 pthread_t t1, t2, t3; [L773] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L713] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L714] COND TRUE 1 1 [L715] 1 myidx = idx [L716] COND TRUE 1 __VERIFIER_nondet_int() VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L774] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L775] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L751] 3 int i; [L752] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L752] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L753] 3 int sum; [L754] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L695] 3 readerstart1 = readerprogress1 [L696] 3 readerstart2 = readerprogress2 [L754] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L755] COND TRUE 3 __VERIFIER_nondet_int() [L755] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L755] 3 sum = sum + ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L756] COND TRUE 3 sum <= 1 [L756] COND FALSE 3 !(__VERIFIER_nondet_int()) [L756] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L756] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L758] COND FALSE 3 !(sum > 1) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L717] CALL 1 __VERIFIER_atomic_use1(myidx) [L683] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND TRUE 1 !cond [L683] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L684] 1 ctr1++ [L717] RET 1 __VERIFIER_atomic_use1(myidx) [L726] 1 readerprogress1 = 1 VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0] [L766] CALL 3 __VERIFIER_atomic_check_progress1(readerstart1) [L699] COND TRUE 3 __VERIFIER_nondet_int() [L700] CALL 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L3] COND FALSE 3 !(!cond) [L700] RET 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L701] COND TRUE 3 !(0) [L701] 3 __VERIFIER_error() VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 144 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 546 SDtfs, 533 SDslu, 918 SDs, 0 SdLazy, 580 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4749occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 2850 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 5519 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 incorrect! Received shutdown request...