/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:12:22,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:12:22,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:12:22,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:12:22,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:12:22,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:12:22,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:12:22,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:12:22,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:12:22,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:12:22,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:12:22,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:12:22,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:12:22,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:12:22,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:12:22,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:12:22,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:12:22,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:12:22,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:12:22,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:12:22,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:12:22,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:12:22,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:12:22,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:12:22,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:12:22,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:12:22,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:12:22,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:12:22,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:12:22,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:12:22,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:12:22,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:12:22,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:12:22,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:12:22,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:12:22,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:12:22,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:12:22,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:12:22,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:12:22,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:12:22,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:12:22,726 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:12:22,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:12:22,727 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:12:22,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:12:22,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:12:22,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:12:22,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:12:22,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:12:22,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:12:22,729 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:12:22,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:12:22,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:12:22,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:12:22,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:12:22,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:12:22,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:12:22,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:12:22,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:12:22,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:12:22,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:12:22,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:12:22,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:12:22,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:12:22,733 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:12:22,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:12:23,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:12:23,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:12:23,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:12:23,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:12:23,079 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:12:23,080 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-10-05 23:12:23,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d1f1d63d/bad2a8dc59be4c269d04180a22c1e34e/FLAGc6ddcb64f [2020-10-05 23:12:23,705 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:12:23,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2020-10-05 23:12:23,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d1f1d63d/bad2a8dc59be4c269d04180a22c1e34e/FLAGc6ddcb64f [2020-10-05 23:12:23,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d1f1d63d/bad2a8dc59be4c269d04180a22c1e34e [2020-10-05 23:12:23,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:12:24,001 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:12:24,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:12:24,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:12:24,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:12:24,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:12:23" (1/1) ... [2020-10-05 23:12:24,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d3ec4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24, skipping insertion in model container [2020-10-05 23:12:24,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:12:23" (1/1) ... [2020-10-05 23:12:24,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:12:24,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:12:24,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:12:24,551 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:12:24,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:12:24,733 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:12:24,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24 WrapperNode [2020-10-05 23:12:24,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:12:24,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:12:24,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:12:24,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:12:24,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:12:24,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:12:24,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:12:24,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:12:24,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... [2020-10-05 23:12:24,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:12:24,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:12:24,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:12:24,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:12:24,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:12:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-10-05 23:12:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-10-05 23:12:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-10-05 23:12:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-10-05 23:12:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 23:12:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:12:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-10-05 23:12:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-10-05 23:12:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 23:12:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:12:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:12:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 23:12:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:12:24,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:12:24,902 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:12:25,933 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:12:25,934 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:12:25,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:12:25 BoogieIcfgContainer [2020-10-05 23:12:25,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:12:25,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:12:25,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:12:25,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:12:25,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:12:23" (1/3) ... [2020-10-05 23:12:25,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2d2757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:12:25, skipping insertion in model container [2020-10-05 23:12:25,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:24" (2/3) ... [2020-10-05 23:12:25,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2d2757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:12:25, skipping insertion in model container [2020-10-05 23:12:25,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:12:25" (3/3) ... [2020-10-05 23:12:25,945 INFO L109 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2020-10-05 23:12:25,956 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:12:25,956 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:12:25,965 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:12:25,966 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:12:26,002 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,003 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,003 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,003 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,004 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,004 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,004 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,005 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,005 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,005 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,005 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,005 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,006 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,006 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,006 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,007 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,007 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,007 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,007 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,007 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,008 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,008 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,008 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,008 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,009 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,010 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,010 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,010 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,010 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,010 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,010 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,011 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,011 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,011 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,012 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,012 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,013 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,013 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,014 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,015 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,015 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,015 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,015 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,016 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,017 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,017 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,017 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,017 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,017 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,017 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,018 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,019 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,019 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,019 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,020 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,020 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,020 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,021 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,021 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,021 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,022 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,022 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,022 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,022 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,022 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,023 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,024 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,024 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,025 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,025 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,026 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,026 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,026 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,027 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,027 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,027 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,027 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,028 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,028 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,028 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,028 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,029 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,029 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,030 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,030 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,030 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,030 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,031 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,031 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,031 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,032 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,032 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,032 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,032 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,032 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,032 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,033 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,033 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,033 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,033 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,033 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,034 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,034 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,034 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,034 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,034 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,035 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,036 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,036 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,036 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,036 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,040 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,040 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,041 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,041 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,041 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,042 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,042 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,043 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,043 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,043 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,046 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,046 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,047 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,047 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,048 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,048 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,048 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,049 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,055 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,056 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,057 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,057 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,058 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,058 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,058 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,059 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,059 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,060 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,060 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,061 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,061 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:26,083 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:12:26,105 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:12:26,105 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:12:26,105 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:12:26,106 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:12:26,106 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:12:26,106 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:12:26,106 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:12:26,106 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:12:26,125 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 167 transitions, 376 flow [2020-10-05 23:12:26,127 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 167 transitions, 376 flow [2020-10-05 23:12:26,202 INFO L129 PetriNetUnfolder]: 23/175 cut-off events. [2020-10-05 23:12:26,202 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-05 23:12:26,211 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 23:12:26,221 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 167 transitions, 376 flow [2020-10-05 23:12:26,259 INFO L129 PetriNetUnfolder]: 23/175 cut-off events. [2020-10-05 23:12:26,259 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-05 23:12:26,262 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 23:12:26,272 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9672 [2020-10-05 23:12:26,274 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:12:28,881 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-10-05 23:12:29,007 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-05 23:12:29,041 INFO L206 etLargeBlockEncoding]: Checked pairs total: 16666 [2020-10-05 23:12:29,042 INFO L214 etLargeBlockEncoding]: Total number of compositions: 110 [2020-10-05 23:12:29,045 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 76 transitions, 194 flow [2020-10-05 23:12:29,356 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4685 states. [2020-10-05 23:12:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states. [2020-10-05 23:12:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:12:29,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:29,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:29,402 INFO L427 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:29,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:29,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1926763353, now seen corresponding path program 1 times [2020-10-05 23:12:29,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:29,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635136382] [2020-10-05 23:12:29,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:29,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635136382] [2020-10-05 23:12:29,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:29,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:29,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24460625] [2020-10-05 23:12:29,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:29,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:29,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:29,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:29,757 INFO L87 Difference]: Start difference. First operand 4685 states. Second operand 3 states. [2020-10-05 23:12:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:29,888 INFO L93 Difference]: Finished difference Result 5823 states and 21672 transitions. [2020-10-05 23:12:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:29,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-05 23:12:29,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:29,954 INFO L225 Difference]: With dead ends: 5823 [2020-10-05 23:12:29,954 INFO L226 Difference]: Without dead ends: 4979 [2020-10-05 23:12:29,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2020-10-05 23:12:30,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4442. [2020-10-05 23:12:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-05 23:12:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 17172 transitions. [2020-10-05 23:12:30,288 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 17172 transitions. Word has length 12 [2020-10-05 23:12:30,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:30,289 INFO L479 AbstractCegarLoop]: Abstraction has 4442 states and 17172 transitions. [2020-10-05 23:12:30,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 17172 transitions. [2020-10-05 23:12:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:12:30,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:30,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:30,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:12:30,294 INFO L427 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:30,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:30,294 INFO L82 PathProgramCache]: Analyzing trace with hash -394916853, now seen corresponding path program 1 times [2020-10-05 23:12:30,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:30,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838851941] [2020-10-05 23:12:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:30,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838851941] [2020-10-05 23:12:30,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:30,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:12:30,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436725903] [2020-10-05 23:12:30,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:30,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:30,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:30,430 INFO L87 Difference]: Start difference. First operand 4442 states and 17172 transitions. Second operand 3 states. [2020-10-05 23:12:30,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:30,553 INFO L93 Difference]: Finished difference Result 4347 states and 16799 transitions. [2020-10-05 23:12:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:30,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 23:12:30,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:30,591 INFO L225 Difference]: With dead ends: 4347 [2020-10-05 23:12:30,591 INFO L226 Difference]: Without dead ends: 4347 [2020-10-05 23:12:30,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2020-10-05 23:12:30,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4347. [2020-10-05 23:12:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4347 states. [2020-10-05 23:12:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 16799 transitions. [2020-10-05 23:12:30,751 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 16799 transitions. Word has length 13 [2020-10-05 23:12:30,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:30,751 INFO L479 AbstractCegarLoop]: Abstraction has 4347 states and 16799 transitions. [2020-10-05 23:12:30,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:30,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 16799 transitions. [2020-10-05 23:12:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:12:30,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:30,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:30,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:12:30,755 INFO L427 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:30,756 INFO L82 PathProgramCache]: Analyzing trace with hash -394916782, now seen corresponding path program 1 times [2020-10-05 23:12:30,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:30,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034745708] [2020-10-05 23:12:30,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:30,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034745708] [2020-10-05 23:12:30,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:30,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:12:30,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292726565] [2020-10-05 23:12:30,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:12:30,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:30,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:12:30,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:30,800 INFO L87 Difference]: Start difference. First operand 4347 states and 16799 transitions. Second operand 3 states. [2020-10-05 23:12:30,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:30,844 INFO L93 Difference]: Finished difference Result 4252 states and 16426 transitions. [2020-10-05 23:12:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:12:30,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 23:12:30,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:30,878 INFO L225 Difference]: With dead ends: 4252 [2020-10-05 23:12:30,879 INFO L226 Difference]: Without dead ends: 4252 [2020-10-05 23:12:30,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:12:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-05 23:12:30,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 4252. [2020-10-05 23:12:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4252 states. [2020-10-05 23:12:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 16426 transitions. [2020-10-05 23:12:31,013 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 16426 transitions. Word has length 13 [2020-10-05 23:12:31,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:31,014 INFO L479 AbstractCegarLoop]: Abstraction has 4252 states and 16426 transitions. [2020-10-05 23:12:31,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:12:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 16426 transitions. [2020-10-05 23:12:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:12:31,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:31,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:31,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:12:31,021 INFO L427 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:31,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:31,021 INFO L82 PathProgramCache]: Analyzing trace with hash -98371689, now seen corresponding path program 1 times [2020-10-05 23:12:31,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:31,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137323094] [2020-10-05 23:12:31,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:31,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137323094] [2020-10-05 23:12:31,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:31,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:12:31,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551565601] [2020-10-05 23:12:31,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:12:31,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:31,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:12:31,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:12:31,092 INFO L87 Difference]: Start difference. First operand 4252 states and 16426 transitions. Second operand 6 states. [2020-10-05 23:12:31,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:31,492 INFO L93 Difference]: Finished difference Result 5319 states and 19567 transitions. [2020-10-05 23:12:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:12:31,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-05 23:12:31,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:31,515 INFO L225 Difference]: With dead ends: 5319 [2020-10-05 23:12:31,515 INFO L226 Difference]: Without dead ends: 5317 [2020-10-05 23:12:31,515 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 23:12:31,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-10-05 23:12:31,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4749. [2020-10-05 23:12:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4749 states. [2020-10-05 23:12:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 17786 transitions. [2020-10-05 23:12:31,664 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 17786 transitions. Word has length 17 [2020-10-05 23:12:31,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:31,664 INFO L479 AbstractCegarLoop]: Abstraction has 4749 states and 17786 transitions. [2020-10-05 23:12:31,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:12:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 17786 transitions. [2020-10-05 23:12:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:12:31,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:31,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:31,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:12:31,672 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 23:12:31,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:31,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1172075833, now seen corresponding path program 2 times [2020-10-05 23:12:31,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:31,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28762386] [2020-10-05 23:12:31,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:31,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:31,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:31,738 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:12:31,739 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:12:31,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:12:31,759 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 23:12:31,760 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:12:31,760 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 23:12:31,760 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:12:31,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:12:31 BasicIcfg [2020-10-05 23:12:31,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:12:31,799 INFO L168 Benchmark]: Toolchain (without parser) took 7797.85 ms. Allocated memory was 140.5 MB in the beginning and 315.6 MB in the end (delta: 175.1 MB). Free memory was 102.5 MB in the beginning and 111.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 166.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:31,800 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:12:31,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.26 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 102.3 MB in the beginning and 161.7 MB in the end (delta: -59.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:31,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.90 ms. Allocated memory is still 205.0 MB. Free memory was 161.7 MB in the beginning and 159.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:31,803 INFO L168 Benchmark]: Boogie Preprocessor took 38.90 ms. Allocated memory is still 205.0 MB. Free memory was 158.4 MB in the beginning and 156.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:31,805 INFO L168 Benchmark]: RCFGBuilder took 1103.60 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 156.4 MB in the beginning and 169.2 MB in the end (delta: -12.9 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:31,806 INFO L168 Benchmark]: TraceAbstraction took 5859.72 ms. Allocated memory was 234.9 MB in the beginning and 315.6 MB in the end (delta: 80.7 MB). Free memory was 169.2 MB in the beginning and 111.4 MB in the end (delta: 57.9 MB). Peak memory consumption was 138.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:12:31,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.26 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 102.3 MB in the beginning and 161.7 MB in the end (delta: -59.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.90 ms. Allocated memory is still 205.0 MB. Free memory was 161.7 MB in the beginning and 159.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.90 ms. Allocated memory is still 205.0 MB. Free memory was 158.4 MB in the beginning and 156.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1103.60 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 156.4 MB in the beginning and 169.2 MB in the end (delta: -12.9 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5859.72 ms. Allocated memory was 234.9 MB in the beginning and 315.6 MB in the end (delta: 80.7 MB). Free memory was 169.2 MB in the beginning and 111.4 MB in the end (delta: 57.9 MB). Peak memory consumption was 138.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.9s, 153 ProgramPointsBefore, 66 ProgramPointsAfterwards, 167 TransitionsBefore, 76 TransitionsAfterwards, 9672 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 4670 VarBasedMoverChecksPositive, 68 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 16666 CheckedPairsTotal, 110 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={7:0}, readerprogress1=0, readerprogress2=0] [L713] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, 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={7:0}, readerprogress1=0, readerprogress2=0] [L774] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L775] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, 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 FALSE 3 !(__VERIFIER_nondet_int()) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L755] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L755] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L756] COND TRUE 3 sum <= 1 [L756] COND TRUE 3 __VERIFIER_nondet_int() [L756] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L756] 3 sum = sum + ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L758] COND FALSE 3 !(sum > 1) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, 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={7:0}, 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={7:0}, 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: 5.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 344 SDtfs, 283 SDslu, 409 SDs, 0 SdLazy, 231 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4749occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 1105 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 2447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...