/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 17:35:43,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 17:35:43,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 17:35:43,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 17:35:43,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 17:35:43,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 17:35:43,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 17:35:43,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 17:35:43,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 17:35:43,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 17:35:43,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 17:35:43,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 17:35:43,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 17:35:43,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 17:35:43,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 17:35:43,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 17:35:43,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 17:35:43,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 17:35:43,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 17:35:43,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 17:35:43,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 17:35:43,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 17:35:43,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 17:35:43,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 17:35:43,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 17:35:43,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 17:35:43,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 17:35:43,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 17:35:43,504 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-McrAutomaton-WP.epf [2022-03-15 17:35:43,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 17:35:43,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 17:35:43,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 17:35:43,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 17:35:43,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 17:35:43,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 17:35:43,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 17:35:43,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 17:35:43,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:35:43,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 17:35:43,523 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 17:35:43,524 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 17:35:43,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 17:35:43,524 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 17:35:43,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 17:35:43,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 17:35:43,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 17:35:43,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 17:35:43,727 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 17:35:43,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-03-15 17:35:43,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c5cf563c/0fb8c9938c974c61ae74818e31e45f08/FLAGd57e7427b [2022-03-15 17:35:44,131 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 17:35:44,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i [2022-03-15 17:35:44,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c5cf563c/0fb8c9938c974c61ae74818e31e45f08/FLAGd57e7427b [2022-03-15 17:35:44,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c5cf563c/0fb8c9938c974c61ae74818e31e45f08 [2022-03-15 17:35:44,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 17:35:44,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 17:35:44,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 17:35:44,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 17:35:44,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 17:35:44,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:44,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecdb3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44, skipping insertion in model container [2022-03-15 17:35:44,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:44,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 17:35:44,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 17:35:44,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2022-03-15 17:35:44,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2022-03-15 17:35:44,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:35:44,886 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 17:35:44,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30694,30707] [2022-03-15 17:35:44,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-1.i[30916,30929] [2022-03-15 17:35:44,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:35:44,948 INFO L208 MainTranslator]: Completed translation [2022-03-15 17:35:44,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44 WrapperNode [2022-03-15 17:35:44,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 17:35:44,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 17:35:44,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 17:35:44,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 17:35:44,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:44,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:44,983 INFO L137 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 270 [2022-03-15 17:35:44,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 17:35:44,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 17:35:44,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 17:35:44,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 17:35:44,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:44,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:44,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:44,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:45,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:45,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:45,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:45,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 17:35:45,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 17:35:45,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 17:35:45,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 17:35:45,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (1/1) ... [2022-03-15 17:35:45,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:35:45,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:35:45,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 17:35:45,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 17:35:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-03-15 17:35:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-03-15 17:35:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-03-15 17:35:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-03-15 17:35:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 17:35:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 17:35:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-03-15 17:35:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-03-15 17:35:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 17:35:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 17:35:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 17:35:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 17:35:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 17:35:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 17:35:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 17:35:45,128 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 17:35:45,221 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 17:35:45,222 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 17:35:45,470 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 17:35:45,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 17:35:45,613 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-15 17:35:45,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:35:45 BoogieIcfgContainer [2022-03-15 17:35:45,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 17:35:45,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 17:35:45,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 17:35:45,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 17:35:45,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 05:35:44" (1/3) ... [2022-03-15 17:35:45,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c246b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:35:45, skipping insertion in model container [2022-03-15 17:35:45,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:35:44" (2/3) ... [2022-03-15 17:35:45,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c246b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:35:45, skipping insertion in model container [2022-03-15 17:35:45,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:35:45" (3/3) ... [2022-03-15 17:35:45,630 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2022-03-15 17:35:45,634 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 17:35:45,634 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 17:35:45,634 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 17:35:45,634 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 17:35:45,719 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,719 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,719 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,719 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,719 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,719 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,719 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,720 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,720 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,720 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,720 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,720 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,720 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,721 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,721 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,721 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,721 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,721 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,721 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,722 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,722 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,723 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,723 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,723 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,723 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,723 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,723 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,724 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,725 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,726 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,726 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,726 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,726 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,726 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,726 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,727 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,728 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,728 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,728 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,728 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,729 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,729 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,729 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,729 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,729 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,729 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,730 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,731 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,731 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,731 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,731 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,731 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,731 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,731 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,732 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,732 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,732 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,732 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,732 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,733 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,734 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,735 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,736 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,737 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,738 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,738 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,738 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,738 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,739 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,740 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,741 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,742 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,743 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,743 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,743 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,743 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,743 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,743 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,743 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,744 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,745 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,746 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,746 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,746 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,746 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,757 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,757 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,758 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,759 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,760 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,761 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,761 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,761 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,761 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,761 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,761 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,762 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,763 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,764 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,765 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,766 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,767 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,767 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,767 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,767 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,767 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,767 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,767 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,768 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,769 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,770 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,771 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,772 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,773 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,775 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,775 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,775 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,775 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,777 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:35:45,785 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 17:35:45,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:35:45,815 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 17:35:45,815 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 17:35:45,823 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:35:45,828 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 183 transitions, 390 flow [2022-03-15 17:35:45,830 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 183 transitions, 390 flow [2022-03-15 17:35:45,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 183 transitions, 390 flow [2022-03-15 17:35:45,870 INFO L129 PetriNetUnfolder]: 18/180 cut-off events. [2022-03-15 17:35:45,870 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-03-15 17:35:45,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 180 events. 18/180 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 360 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 134. Up to 4 conditions per place. [2022-03-15 17:35:45,881 INFO L116 LiptonReduction]: Number of co-enabled transitions 9890 [2022-03-15 17:35:49,830 INFO L131 LiptonReduction]: Checked pairs total: 22661 [2022-03-15 17:35:49,831 INFO L133 LiptonReduction]: Total number of compositions: 139 [2022-03-15 17:35:49,835 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 67 transitions, 158 flow [2022-03-15 17:35:49,973 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3504 states, 3502 states have (on average 4.1610508280982295) internal successors, (14572), 3503 states have internal predecessors, (14572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 3504 states, 3502 states have (on average 4.1610508280982295) internal successors, (14572), 3503 states have internal predecessors, (14572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 17:35:50,003 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:50,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:50,004 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:50,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash 731636610, now seen corresponding path program 1 times [2022-03-15 17:35:50,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:50,020 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335327510] [2022-03-15 17:35:50,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:50,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:50,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335327510] [2022-03-15 17:35:50,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335327510] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:50,232 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:50,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:35:50,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1807442138] [2022-03-15 17:35:50,247 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:50,249 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:50,258 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 17:35:50,258 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:50,260 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:50,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:35:50,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:50,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:35:50,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:35:50,291 INFO L87 Difference]: Start difference. First operand has 3504 states, 3502 states have (on average 4.1610508280982295) internal successors, (14572), 3503 states have internal predecessors, (14572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:50,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:50,585 INFO L93 Difference]: Finished difference Result 4984 states and 18679 transitions. [2022-03-15 17:35:50,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:35:50,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 17:35:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:50,640 INFO L225 Difference]: With dead ends: 4984 [2022-03-15 17:35:50,641 INFO L226 Difference]: Without dead ends: 4984 [2022-03-15 17:35:50,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:35:50,645 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 86 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:50,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 56 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:35:50,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2022-03-15 17:35:50,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4210. [2022-03-15 17:35:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4210 states, 4206 states have (on average 3.8618640038040892) internal successors, (16243), 4209 states have internal predecessors, (16243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 4210 states and 16243 transitions. [2022-03-15 17:35:50,822 INFO L78 Accepts]: Start accepts. Automaton has 4210 states and 16243 transitions. Word has length 12 [2022-03-15 17:35:50,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:50,822 INFO L470 AbstractCegarLoop]: Abstraction has 4210 states and 16243 transitions. [2022-03-15 17:35:50,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:50,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4210 states and 16243 transitions. [2022-03-15 17:35:50,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 17:35:50,825 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:50,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:50,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 17:35:50,828 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:50,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:50,830 INFO L85 PathProgramCache]: Analyzing trace with hash 682719788, now seen corresponding path program 1 times [2022-03-15 17:35:50,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:50,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128682310] [2022-03-15 17:35:50,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:50,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:50,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128682310] [2022-03-15 17:35:50,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128682310] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:50,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:50,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:35:50,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [521721439] [2022-03-15 17:35:50,931 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:50,932 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:50,934 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 17:35:50,934 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:50,934 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:50,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:35:50,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:50,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:35:50,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:35:50,936 INFO L87 Difference]: Start difference. First operand 4210 states and 16243 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:51,258 INFO L93 Difference]: Finished difference Result 4890 states and 17988 transitions. [2022-03-15 17:35:51,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:35:51,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 17:35:51,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:51,286 INFO L225 Difference]: With dead ends: 4890 [2022-03-15 17:35:51,286 INFO L226 Difference]: Without dead ends: 4890 [2022-03-15 17:35:51,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:35:51,287 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 61 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:51,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 56 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:35:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2022-03-15 17:35:51,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 3832. [2022-03-15 17:35:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 3828 states have (on average 3.769592476489028) internal successors, (14430), 3831 states have internal predecessors, (14430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 14430 transitions. [2022-03-15 17:35:51,390 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 14430 transitions. Word has length 12 [2022-03-15 17:35:51,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:51,391 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 14430 transitions. [2022-03-15 17:35:51,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 14430 transitions. [2022-03-15 17:35:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:35:51,393 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:51,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:51,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 17:35:51,393 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:51,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:51,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1211124615, now seen corresponding path program 1 times [2022-03-15 17:35:51,394 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:51,394 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695875459] [2022-03-15 17:35:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:51,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:51,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:51,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695875459] [2022-03-15 17:35:51,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695875459] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:51,439 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:51,439 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:35:51,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1539463577] [2022-03-15 17:35:51,440 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:51,441 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:51,442 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 17:35:51,442 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:51,442 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:51,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:35:51,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:51,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:35:51,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:51,443 INFO L87 Difference]: Start difference. First operand 3832 states and 14430 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:51,515 INFO L93 Difference]: Finished difference Result 3690 states and 13880 transitions. [2022-03-15 17:35:51,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:35:51,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 17:35:51,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:51,584 INFO L225 Difference]: With dead ends: 3690 [2022-03-15 17:35:51,584 INFO L226 Difference]: Without dead ends: 3690 [2022-03-15 17:35:51,585 INFO L932 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 [2022-03-15 17:35:51,585 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 41 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:51,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 32 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:35:51,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2022-03-15 17:35:51,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3690. [2022-03-15 17:35:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3690 states, 3687 states have (on average 3.76457824789802) internal successors, (13880), 3689 states have internal predecessors, (13880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3690 states and 13880 transitions. [2022-03-15 17:35:51,662 INFO L78 Accepts]: Start accepts. Automaton has 3690 states and 13880 transitions. Word has length 13 [2022-03-15 17:35:51,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:51,662 INFO L470 AbstractCegarLoop]: Abstraction has 3690 states and 13880 transitions. [2022-03-15 17:35:51,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 13880 transitions. [2022-03-15 17:35:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:35:51,664 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:51,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:51,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 17:35:51,664 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:51,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:51,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1211124442, now seen corresponding path program 1 times [2022-03-15 17:35:51,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:51,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590876020] [2022-03-15 17:35:51,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:51,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:51,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:51,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590876020] [2022-03-15 17:35:51,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590876020] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:51,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:51,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:35:51,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1282174868] [2022-03-15 17:35:51,722 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:51,723 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:51,724 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 17:35:51,724 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:51,724 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:51,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:35:51,724 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:51,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:35:51,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:51,725 INFO L87 Difference]: Start difference. First operand 3690 states and 13880 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:51,794 INFO L93 Difference]: Finished difference Result 3558 states and 13364 transitions. [2022-03-15 17:35:51,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:35:51,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 17:35:51,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:51,862 INFO L225 Difference]: With dead ends: 3558 [2022-03-15 17:35:51,862 INFO L226 Difference]: Without dead ends: 3536 [2022-03-15 17:35:51,862 INFO L932 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 [2022-03-15 17:35:51,863 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 39 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:51,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 32 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:51,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2022-03-15 17:35:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 3536. [2022-03-15 17:35:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 3534 states have (on average 3.7560837577815507) internal successors, (13274), 3535 states have internal predecessors, (13274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 13274 transitions. [2022-03-15 17:35:51,950 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 13274 transitions. Word has length 13 [2022-03-15 17:35:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:51,950 INFO L470 AbstractCegarLoop]: Abstraction has 3536 states and 13274 transitions. [2022-03-15 17:35:51,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 13274 transitions. [2022-03-15 17:35:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 17:35:51,953 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:51,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:51,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 17:35:51,954 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:51,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:51,954 INFO L85 PathProgramCache]: Analyzing trace with hash -605451447, now seen corresponding path program 1 times [2022-03-15 17:35:51,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:51,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173246521] [2022-03-15 17:35:51,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:51,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:51,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173246521] [2022-03-15 17:35:51,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173246521] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:51,995 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:51,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:35:51,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1050591492] [2022-03-15 17:35:51,995 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:51,996 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:51,998 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 48 transitions. [2022-03-15 17:35:51,998 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:52,026 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:52,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:35:52,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:52,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:35:52,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:52,027 INFO L87 Difference]: Start difference. First operand 3536 states and 13274 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:52,108 INFO L93 Difference]: Finished difference Result 3886 states and 14444 transitions. [2022-03-15 17:35:52,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:35:52,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-03-15 17:35:52,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:52,119 INFO L225 Difference]: With dead ends: 3886 [2022-03-15 17:35:52,119 INFO L226 Difference]: Without dead ends: 3886 [2022-03-15 17:35:52,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:52,120 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 41 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:52,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 25 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3886 states. [2022-03-15 17:35:52,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3886 to 3650. [2022-03-15 17:35:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3650 states, 3648 states have (on average 3.776864035087719) internal successors, (13778), 3649 states have internal predecessors, (13778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:52,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 3650 states and 13778 transitions. [2022-03-15 17:35:52,266 INFO L78 Accepts]: Start accepts. Automaton has 3650 states and 13778 transitions. Word has length 16 [2022-03-15 17:35:52,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:52,266 INFO L470 AbstractCegarLoop]: Abstraction has 3650 states and 13778 transitions. [2022-03-15 17:35:52,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 13778 transitions. [2022-03-15 17:35:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 17:35:52,270 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:52,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:52,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 17:35:52,270 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:52,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:52,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1583894298, now seen corresponding path program 1 times [2022-03-15 17:35:52,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:52,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042113761] [2022-03-15 17:35:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:52,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:52,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:52,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042113761] [2022-03-15 17:35:52,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042113761] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:52,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:52,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:35:52,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1673105323] [2022-03-15 17:35:52,333 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:52,335 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:52,339 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 49 transitions. [2022-03-15 17:35:52,339 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:52,588 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [66062#(or (<= ~ctr1~0 0) (= ~ctr2~0 0))] [2022-03-15 17:35:52,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 17:35:52,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:52,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 17:35:52,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:35:52,589 INFO L87 Difference]: Start difference. First operand 3650 states and 13778 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:52,806 INFO L93 Difference]: Finished difference Result 4242 states and 15460 transitions. [2022-03-15 17:35:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:35:52,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 17:35:52,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:52,819 INFO L225 Difference]: With dead ends: 4242 [2022-03-15 17:35:52,819 INFO L226 Difference]: Without dead ends: 4242 [2022-03-15 17:35:52,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:35:52,820 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 143 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:52,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 52 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:35:52,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2022-03-15 17:35:52,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 3626. [2022-03-15 17:35:52,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3626 states, 3624 states have (on average 3.7141280353200883) internal successors, (13460), 3625 states have internal predecessors, (13460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 13460 transitions. [2022-03-15 17:35:52,923 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 13460 transitions. Word has length 17 [2022-03-15 17:35:52,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:52,923 INFO L470 AbstractCegarLoop]: Abstraction has 3626 states and 13460 transitions. [2022-03-15 17:35:52,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 13460 transitions. [2022-03-15 17:35:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 17:35:52,927 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:52,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:52,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 17:35:52,927 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:52,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1194651516, now seen corresponding path program 1 times [2022-03-15 17:35:52,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:52,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109762184] [2022-03-15 17:35:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:52,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:52,973 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:52,973 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109762184] [2022-03-15 17:35:52,973 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109762184] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:52,973 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:52,974 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 17:35:52,974 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1545543031] [2022-03-15 17:35:52,974 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:52,975 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:52,977 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 49 transitions. [2022-03-15 17:35:52,977 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:53,145 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [77565#(or (<= ~ctr1~0 0) (= ~ctr2~0 0))] [2022-03-15 17:35:53,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:35:53,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:53,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:35:53,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:35:53,146 INFO L87 Difference]: Start difference. First operand 3626 states and 13460 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:53,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:53,436 INFO L93 Difference]: Finished difference Result 4638 states and 16632 transitions. [2022-03-15 17:35:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 17:35:53,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 17:35:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:53,449 INFO L225 Difference]: With dead ends: 4638 [2022-03-15 17:35:53,449 INFO L226 Difference]: Without dead ends: 4638 [2022-03-15 17:35:53,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-15 17:35:53,450 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 184 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:53,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 77 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:35:53,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2022-03-15 17:35:53,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 3740. [2022-03-15 17:35:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 3738 states have (on average 3.684323167469235) internal successors, (13772), 3739 states have internal predecessors, (13772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 13772 transitions. [2022-03-15 17:35:53,564 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 13772 transitions. Word has length 17 [2022-03-15 17:35:53,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:53,564 INFO L470 AbstractCegarLoop]: Abstraction has 3740 states and 13772 transitions. [2022-03-15 17:35:53,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 13772 transitions. [2022-03-15 17:35:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 17:35:53,568 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:53,568 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:53,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 17:35:53,569 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:53,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:53,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1324485850, now seen corresponding path program 2 times [2022-03-15 17:35:53,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:53,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985266930] [2022-03-15 17:35:53,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:53,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:53,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:53,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985266930] [2022-03-15 17:35:53,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985266930] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:53,615 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:53,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 17:35:53,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [554481986] [2022-03-15 17:35:53,615 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:53,616 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:53,620 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 61 transitions. [2022-03-15 17:35:53,620 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:53,983 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [89697#(and (or (<= 2 ~ctr1~0) (< 1 (+ ~ctr2~0 |qrcu_updaterThread1of1ForFork0_~sum~0#1|))) (or (not (<= (+ ~ctr2~0 |qrcu_updaterThread1of1ForFork0_~sum~0#1|) 1)) (= ~ctr2~0 0))), 89696#(and (or (<= 2 ~ctr1~0) (< 1 |qrcu_updaterThread1of1ForFork0_~sum~0#1|)) (or (= ~ctr2~0 0) (not (<= |qrcu_updaterThread1of1ForFork0_~sum~0#1| 1))))] [2022-03-15 17:35:53,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:35:53,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:53,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:35:53,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:35:53,984 INFO L87 Difference]: Start difference. First operand 3740 states and 13772 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:54,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:54,399 INFO L93 Difference]: Finished difference Result 5478 states and 19615 transitions. [2022-03-15 17:35:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 17:35:54,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 17:35:54,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:54,415 INFO L225 Difference]: With dead ends: 5478 [2022-03-15 17:35:54,415 INFO L226 Difference]: Without dead ends: 5478 [2022-03-15 17:35:54,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 11 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:35:54,415 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 153 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:54,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 116 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 17:35:54,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-03-15 17:35:54,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 3512. [2022-03-15 17:35:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3512 states, 3510 states have (on average 3.602279202279202) internal successors, (12644), 3511 states have internal predecessors, (12644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 3512 states and 12644 transitions. [2022-03-15 17:35:54,517 INFO L78 Accepts]: Start accepts. Automaton has 3512 states and 12644 transitions. Word has length 17 [2022-03-15 17:35:54,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:54,517 INFO L470 AbstractCegarLoop]: Abstraction has 3512 states and 12644 transitions. [2022-03-15 17:35:54,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3512 states and 12644 transitions. [2022-03-15 17:35:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 17:35:54,521 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:54,521 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:54,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 17:35:54,521 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:54,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:54,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1385749600, now seen corresponding path program 3 times [2022-03-15 17:35:54,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:54,522 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975678278] [2022-03-15 17:35:54,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:54,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:54,559 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:54,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975678278] [2022-03-15 17:35:54,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975678278] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:54,559 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:54,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:35:54,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1332321105] [2022-03-15 17:35:54,559 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:54,561 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:54,564 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 61 transitions. [2022-03-15 17:35:54,564 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:54,697 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-15 17:35:54,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 17:35:54,807 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-15 17:35:54,808 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 17:35:54,853 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:54,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:35:54,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:54,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:35:54,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:35:54,854 INFO L87 Difference]: Start difference. First operand 3512 states and 12644 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:55,025 INFO L93 Difference]: Finished difference Result 4866 states and 17215 transitions. [2022-03-15 17:35:55,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:35:55,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 17:35:55,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:55,038 INFO L225 Difference]: With dead ends: 4866 [2022-03-15 17:35:55,038 INFO L226 Difference]: Without dead ends: 4866 [2022-03-15 17:35:55,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:35:55,039 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 142 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:55,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 93 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4866 states. [2022-03-15 17:35:55,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4866 to 4840. [2022-03-15 17:35:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4840 states, 4838 states have (on average 3.548987184787102) internal successors, (17170), 4839 states have internal predecessors, (17170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 17170 transitions. [2022-03-15 17:35:55,152 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 17170 transitions. Word has length 17 [2022-03-15 17:35:55,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:55,153 INFO L470 AbstractCegarLoop]: Abstraction has 4840 states and 17170 transitions. [2022-03-15 17:35:55,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 17170 transitions. [2022-03-15 17:35:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 17:35:55,157 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:55,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:55,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 17:35:55,157 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:55,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:55,158 INFO L85 PathProgramCache]: Analyzing trace with hash -894337624, now seen corresponding path program 1 times [2022-03-15 17:35:55,159 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:55,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201083174] [2022-03-15 17:35:55,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:55,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:55,189 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:55,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201083174] [2022-03-15 17:35:55,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201083174] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:55,189 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:55,189 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:35:55,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [627327251] [2022-03-15 17:35:55,189 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:55,191 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:55,194 INFO L252 McrAutomatonBuilder]: Finished intersection with 36 states and 53 transitions. [2022-03-15 17:35:55,195 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:55,296 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:55,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:35:55,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:55,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:35:55,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:35:55,296 INFO L87 Difference]: Start difference. First operand 4840 states and 17170 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:55,438 INFO L93 Difference]: Finished difference Result 6514 states and 22523 transitions. [2022-03-15 17:35:55,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:35:55,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 17:35:55,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:55,446 INFO L225 Difference]: With dead ends: 6514 [2022-03-15 17:35:55,446 INFO L226 Difference]: Without dead ends: 3436 [2022-03-15 17:35:55,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:35:55,447 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 119 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:55,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 66 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:55,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3436 states. [2022-03-15 17:35:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3436 to 3410. [2022-03-15 17:35:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3410 states, 3408 states have (on average 3.3095657276995305) internal successors, (11279), 3409 states have internal predecessors, (11279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 11279 transitions. [2022-03-15 17:35:55,509 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 11279 transitions. Word has length 17 [2022-03-15 17:35:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:55,510 INFO L470 AbstractCegarLoop]: Abstraction has 3410 states and 11279 transitions. [2022-03-15 17:35:55,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 11279 transitions. [2022-03-15 17:35:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 17:35:55,512 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:55,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:55,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 17:35:55,513 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:55,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:55,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1488339622, now seen corresponding path program 1 times [2022-03-15 17:35:55,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:55,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333622105] [2022-03-15 17:35:55,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:55,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:55,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:55,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333622105] [2022-03-15 17:35:55,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333622105] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:55,541 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:55,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:35:55,541 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [38642643] [2022-03-15 17:35:55,541 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:55,543 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:55,547 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 69 transitions. [2022-03-15 17:35:55,547 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:55,611 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:55,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:35:55,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:55,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:35:55,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:55,612 INFO L87 Difference]: Start difference. First operand 3410 states and 11279 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:55,692 INFO L93 Difference]: Finished difference Result 3410 states and 11209 transitions. [2022-03-15 17:35:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:35:55,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-03-15 17:35:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:55,701 INFO L225 Difference]: With dead ends: 3410 [2022-03-15 17:35:55,701 INFO L226 Difference]: Without dead ends: 2366 [2022-03-15 17:35:55,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:55,701 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 37 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:55,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 45 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2022-03-15 17:35:55,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 1942. [2022-03-15 17:35:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1942 states, 1940 states have (on average 3.1819587628865977) internal successors, (6173), 1941 states have internal predecessors, (6173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 6173 transitions. [2022-03-15 17:35:55,732 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 6173 transitions. Word has length 19 [2022-03-15 17:35:55,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:55,732 INFO L470 AbstractCegarLoop]: Abstraction has 1942 states and 6173 transitions. [2022-03-15 17:35:55,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 6173 transitions. [2022-03-15 17:35:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 17:35:55,734 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:55,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:55,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 17:35:55,734 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:55,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:55,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1597286850, now seen corresponding path program 1 times [2022-03-15 17:35:55,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:55,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540270880] [2022-03-15 17:35:55,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:55,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:55,760 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:55,760 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540270880] [2022-03-15 17:35:55,760 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540270880] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:55,760 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:55,760 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:35:55,760 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1106456628] [2022-03-15 17:35:55,761 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:55,762 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:55,765 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 45 transitions. [2022-03-15 17:35:55,765 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:55,800 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:55,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:35:55,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:35:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:55,800 INFO L87 Difference]: Start difference. First operand 1942 states and 6173 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:55,872 INFO L93 Difference]: Finished difference Result 1942 states and 6131 transitions. [2022-03-15 17:35:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:35:55,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-03-15 17:35:55,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:55,875 INFO L225 Difference]: With dead ends: 1942 [2022-03-15 17:35:55,875 INFO L226 Difference]: Without dead ends: 1140 [2022-03-15 17:35:55,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:55,875 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 37 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:55,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 45 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:55,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-03-15 17:35:55,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1060. [2022-03-15 17:35:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 1058 states have (on average 2.764650283553875) internal successors, (2925), 1059 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 2925 transitions. [2022-03-15 17:35:55,888 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 2925 transitions. Word has length 19 [2022-03-15 17:35:55,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:55,888 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 2925 transitions. [2022-03-15 17:35:55,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 2925 transitions. [2022-03-15 17:35:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 17:35:55,889 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:55,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:55,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 17:35:55,890 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:55,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:55,890 INFO L85 PathProgramCache]: Analyzing trace with hash 229136604, now seen corresponding path program 1 times [2022-03-15 17:35:55,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:55,891 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207051216] [2022-03-15 17:35:55,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:55,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:55,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:55,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207051216] [2022-03-15 17:35:55,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207051216] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:55,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:55,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:35:55,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1670259280] [2022-03-15 17:35:55,918 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:55,920 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:55,924 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2022-03-15 17:35:55,924 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:55,942 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:55,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:35:55,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:35:55,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:55,943 INFO L87 Difference]: Start difference. First operand 1060 states and 2925 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:56,009 INFO L93 Difference]: Finished difference Result 1290 states and 3516 transitions. [2022-03-15 17:35:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:35:56,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 17:35:56,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:56,012 INFO L225 Difference]: With dead ends: 1290 [2022-03-15 17:35:56,012 INFO L226 Difference]: Without dead ends: 1290 [2022-03-15 17:35:56,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:56,013 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 28 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:56,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 32 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:56,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2022-03-15 17:35:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1096. [2022-03-15 17:35:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1094 states have (on average 2.7605118829981716) internal successors, (3020), 1095 states have internal predecessors, (3020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 3020 transitions. [2022-03-15 17:35:56,026 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 3020 transitions. Word has length 22 [2022-03-15 17:35:56,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:56,026 INFO L470 AbstractCegarLoop]: Abstraction has 1096 states and 3020 transitions. [2022-03-15 17:35:56,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 3020 transitions. [2022-03-15 17:35:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 17:35:56,027 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:56,028 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:56,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 17:35:56,028 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:56,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:56,028 INFO L85 PathProgramCache]: Analyzing trace with hash 229137596, now seen corresponding path program 1 times [2022-03-15 17:35:56,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:56,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792706820] [2022-03-15 17:35:56,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:56,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:56,056 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:56,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792706820] [2022-03-15 17:35:56,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792706820] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:56,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:56,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:35:56,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [962539332] [2022-03-15 17:35:56,057 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:56,059 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:56,062 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2022-03-15 17:35:56,062 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:56,137 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:56,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:35:56,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:56,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:35:56,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:35:56,138 INFO L87 Difference]: Start difference. First operand 1096 states and 3020 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:56,280 INFO L93 Difference]: Finished difference Result 1362 states and 3607 transitions. [2022-03-15 17:35:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:35:56,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 17:35:56,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:56,282 INFO L225 Difference]: With dead ends: 1362 [2022-03-15 17:35:56,282 INFO L226 Difference]: Without dead ends: 1326 [2022-03-15 17:35:56,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:35:56,283 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 79 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:56,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 80 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:35:56,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2022-03-15 17:35:56,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1138. [2022-03-15 17:35:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1136 states have (on average 2.761443661971831) internal successors, (3137), 1137 states have internal predecessors, (3137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 3137 transitions. [2022-03-15 17:35:56,296 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 3137 transitions. Word has length 22 [2022-03-15 17:35:56,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:56,297 INFO L470 AbstractCegarLoop]: Abstraction has 1138 states and 3137 transitions. [2022-03-15 17:35:56,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 3137 transitions. [2022-03-15 17:35:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 17:35:56,298 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:56,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:56,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 17:35:56,299 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:56,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:56,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1658958568, now seen corresponding path program 1 times [2022-03-15 17:35:56,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:56,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670923123] [2022-03-15 17:35:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:56,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:56,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670923123] [2022-03-15 17:35:56,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670923123] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:56,320 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:56,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:35:56,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1249526659] [2022-03-15 17:35:56,320 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:56,322 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:56,325 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2022-03-15 17:35:56,325 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:56,412 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:56,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:35:56,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:56,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:35:56,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:56,413 INFO L87 Difference]: Start difference. First operand 1138 states and 3137 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:56,461 INFO L93 Difference]: Finished difference Result 782 states and 2027 transitions. [2022-03-15 17:35:56,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:35:56,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 17:35:56,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:56,463 INFO L225 Difference]: With dead ends: 782 [2022-03-15 17:35:56,463 INFO L226 Difference]: Without dead ends: 782 [2022-03-15 17:35:56,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:35:56,464 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 31 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:56,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 19 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:35:56,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2022-03-15 17:35:56,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 752. [2022-03-15 17:35:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 750 states have (on average 2.6493333333333333) internal successors, (1987), 751 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1987 transitions. [2022-03-15 17:35:56,472 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1987 transitions. Word has length 22 [2022-03-15 17:35:56,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:56,472 INFO L470 AbstractCegarLoop]: Abstraction has 752 states and 1987 transitions. [2022-03-15 17:35:56,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1987 transitions. [2022-03-15 17:35:56,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:35:56,473 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:56,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:56,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 17:35:56,474 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:56,474 INFO L85 PathProgramCache]: Analyzing trace with hash -720386001, now seen corresponding path program 1 times [2022-03-15 17:35:56,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:56,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867750808] [2022-03-15 17:35:56,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:56,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:56,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867750808] [2022-03-15 17:35:56,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867750808] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:56,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:56,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 17:35:56,544 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1613351568] [2022-03-15 17:35:56,544 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:56,545 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:56,554 INFO L252 McrAutomatonBuilder]: Finished intersection with 84 states and 167 transitions. [2022-03-15 17:35:56,554 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:57,289 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:35:57,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 17:35:57,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:57,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 17:35:57,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-15 17:35:57,290 INFO L87 Difference]: Start difference. First operand 752 states and 1987 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:57,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:57,657 INFO L93 Difference]: Finished difference Result 1226 states and 3192 transitions. [2022-03-15 17:35:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 17:35:57,657 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 17:35:57,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:57,659 INFO L225 Difference]: With dead ends: 1226 [2022-03-15 17:35:57,659 INFO L226 Difference]: Without dead ends: 1218 [2022-03-15 17:35:57,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 41 SyntacticMatches, 20 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-03-15 17:35:57,660 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 191 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:57,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 103 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 17:35:57,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2022-03-15 17:35:57,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 816. [2022-03-15 17:35:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 814 states have (on average 2.6474201474201475) internal successors, (2155), 815 states have internal predecessors, (2155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 2155 transitions. [2022-03-15 17:35:57,671 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 2155 transitions. Word has length 23 [2022-03-15 17:35:57,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:57,671 INFO L470 AbstractCegarLoop]: Abstraction has 816 states and 2155 transitions. [2022-03-15 17:35:57,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 2155 transitions. [2022-03-15 17:35:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:35:57,673 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:57,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:57,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 17:35:57,673 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:57,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1534283929, now seen corresponding path program 1 times [2022-03-15 17:35:57,674 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:57,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933739496] [2022-03-15 17:35:57,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:35:57,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:35:57,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:35:57,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933739496] [2022-03-15 17:35:57,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933739496] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:35:57,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:35:57,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 17:35:57,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [612962095] [2022-03-15 17:35:57,756 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:35:57,757 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:35:57,767 INFO L252 McrAutomatonBuilder]: Finished intersection with 92 states and 183 transitions. [2022-03-15 17:35:57,767 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:35:59,301 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [153774#(and (or (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0) (= (+ (- 1) ~ctr2~0) 0)) (<= 1 ~ctr1~0) (or (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)) (= ~ctr2~0 0)) (or (<= 2 ~ctr1~0) (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)))), 153775#(or (<= ~ctr1~0 0) (= ~ctr2~0 0) (< 0 |qrcu_reader1Thread1of1ForFork1_~myidx~0#1|)), 153776#(or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~ctr2~0 0))] [2022-03-15 17:35:59,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 17:35:59,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:35:59,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 17:35:59,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:35:59,301 INFO L87 Difference]: Start difference. First operand 816 states and 2155 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:59,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:35:59,926 INFO L93 Difference]: Finished difference Result 1484 states and 3764 transitions. [2022-03-15 17:35:59,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 17:35:59,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 17:35:59,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:35:59,929 INFO L225 Difference]: With dead ends: 1484 [2022-03-15 17:35:59,929 INFO L226 Difference]: Without dead ends: 1474 [2022-03-15 17:35:59,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2022-03-15 17:35:59,929 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 438 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 17:35:59,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 140 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 17:35:59,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2022-03-15 17:35:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 850. [2022-03-15 17:35:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 848 states have (on average 2.607311320754717) internal successors, (2211), 849 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 2211 transitions. [2022-03-15 17:35:59,942 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 2211 transitions. Word has length 23 [2022-03-15 17:35:59,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:35:59,942 INFO L470 AbstractCegarLoop]: Abstraction has 850 states and 2211 transitions. [2022-03-15 17:35:59,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:35:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 2211 transitions. [2022-03-15 17:35:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:35:59,944 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:35:59,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:35:59,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 17:35:59,944 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:35:59,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:35:59,944 INFO L85 PathProgramCache]: Analyzing trace with hash 961597054, now seen corresponding path program 1 times [2022-03-15 17:35:59,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:35:59,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276687469] [2022-03-15 17:35:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:35:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:35:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:00,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:00,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276687469] [2022-03-15 17:36:00,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276687469] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:00,011 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:00,011 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 17:36:00,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1096386722] [2022-03-15 17:36:00,011 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:00,013 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:00,022 INFO L252 McrAutomatonBuilder]: Finished intersection with 92 states and 183 transitions. [2022-03-15 17:36:00,022 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:01,454 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [156998#(and (or (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0) (= (+ (- 1) ~ctr2~0) 0)) (<= 1 ~ctr1~0) (or (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)) (= ~ctr2~0 0)) (or (<= 2 ~ctr1~0) (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)))), 157000#(or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~ctr2~0 0)), 156999#(or (<= ~ctr1~0 0) (= ~ctr2~0 0) (< 0 |qrcu_reader1Thread1of1ForFork1_~myidx~0#1|))] [2022-03-15 17:36:01,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 17:36:01,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:01,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 17:36:01,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:36:01,455 INFO L87 Difference]: Start difference. First operand 850 states and 2211 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:01,980 INFO L93 Difference]: Finished difference Result 1306 states and 3321 transitions. [2022-03-15 17:36:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-15 17:36:01,980 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 17:36:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:01,982 INFO L225 Difference]: With dead ends: 1306 [2022-03-15 17:36:01,982 INFO L226 Difference]: Without dead ends: 1306 [2022-03-15 17:36:01,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2022-03-15 17:36:01,982 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 321 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:01,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 136 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 17:36:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-03-15 17:36:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 842. [2022-03-15 17:36:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 840 states have (on average 2.605952380952381) internal successors, (2189), 841 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 2189 transitions. [2022-03-15 17:36:01,994 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 2189 transitions. Word has length 23 [2022-03-15 17:36:01,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:01,994 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 2189 transitions. [2022-03-15 17:36:01,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2189 transitions. [2022-03-15 17:36:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:36:01,996 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:01,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:01,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 17:36:01,996 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:01,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:01,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1937676042, now seen corresponding path program 1 times [2022-03-15 17:36:01,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:01,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089598559] [2022-03-15 17:36:01,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:02,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:02,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089598559] [2022-03-15 17:36:02,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089598559] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:02,075 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:02,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 17:36:02,076 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1940270689] [2022-03-15 17:36:02,076 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:02,077 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:02,087 INFO L252 McrAutomatonBuilder]: Finished intersection with 100 states and 205 transitions. [2022-03-15 17:36:02,087 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:03,587 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [160024#(and (or (<= ~ctr1~0 0) (= ~ctr2~0 0) (< 0 |qrcu_reader1Thread1of1ForFork1_~myidx~0#1|)) (or (<= ~ctr1~0 0) (< 0 |qrcu_reader1Thread1of1ForFork1_~myidx~0#1|) (= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0))), 160025#(and (or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~idx~0 0)) (or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~ctr2~0 0))), 160023#(and (or (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0) (= (+ (- 1) ~ctr2~0) 0)) (<= 2 ~ctr1~0) (or (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)) (<= 3 ~ctr1~0)) (or (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)) (= ~ctr2~0 0)))] [2022-03-15 17:36:03,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 17:36:03,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:03,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 17:36:03,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-03-15 17:36:03,588 INFO L87 Difference]: Start difference. First operand 842 states and 2189 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:04,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:04,154 INFO L93 Difference]: Finished difference Result 1194 states and 3127 transitions. [2022-03-15 17:36:04,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 17:36:04,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 17:36:04,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:04,156 INFO L225 Difference]: With dead ends: 1194 [2022-03-15 17:36:04,156 INFO L226 Difference]: Without dead ends: 1194 [2022-03-15 17:36:04,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-03-15 17:36:04,157 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 250 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:04,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 111 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 17:36:04,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-03-15 17:36:04,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 834. [2022-03-15 17:36:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 832 states have (on average 2.6141826923076925) internal successors, (2175), 833 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 2175 transitions. [2022-03-15 17:36:04,169 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 2175 transitions. Word has length 23 [2022-03-15 17:36:04,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:04,170 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 2175 transitions. [2022-03-15 17:36:04,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 2175 transitions. [2022-03-15 17:36:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:36:04,171 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:04,171 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:04,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 17:36:04,171 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:04,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:04,171 INFO L85 PathProgramCache]: Analyzing trace with hash 840869772, now seen corresponding path program 2 times [2022-03-15 17:36:04,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:04,172 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122377198] [2022-03-15 17:36:04,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:04,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:04,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:04,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122377198] [2022-03-15 17:36:04,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122377198] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:04,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:04,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 17:36:04,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1683406343] [2022-03-15 17:36:04,258 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:04,260 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:04,270 INFO L252 McrAutomatonBuilder]: Finished intersection with 100 states and 205 transitions. [2022-03-15 17:36:04,270 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:05,800 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [162919#(and (or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~idx~0 0)) (or (<= ~ctr1~0 0) (< 0 ~idx~0) (= ~ctr2~0 0))), 162917#(and (or (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0) (= (+ (- 1) ~ctr2~0) 0)) (<= 2 ~ctr1~0) (or (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)) (<= 3 ~ctr1~0)) (or (not (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)) (= ~ctr2~0 0))), 162918#(and (or (<= ~ctr1~0 0) (= ~ctr2~0 0) (< 0 |qrcu_reader1Thread1of1ForFork1_~myidx~0#1|)) (or (<= ~ctr1~0 0) (< 0 |qrcu_reader1Thread1of1ForFork1_~myidx~0#1|) (= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0)))] [2022-03-15 17:36:05,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 17:36:05,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:05,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 17:36:05,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:36:05,801 INFO L87 Difference]: Start difference. First operand 834 states and 2175 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:06,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:06,569 INFO L93 Difference]: Finished difference Result 1140 states and 2970 transitions. [2022-03-15 17:36:06,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-15 17:36:06,569 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 17:36:06,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:06,571 INFO L225 Difference]: With dead ends: 1140 [2022-03-15 17:36:06,571 INFO L226 Difference]: Without dead ends: 1140 [2022-03-15 17:36:06,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2022-03-15 17:36:06,571 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 283 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:06,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 155 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 17:36:06,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-03-15 17:36:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 800. [2022-03-15 17:36:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 798 states have (on average 2.6315789473684212) internal successors, (2100), 799 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2100 transitions. [2022-03-15 17:36:06,583 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2100 transitions. Word has length 23 [2022-03-15 17:36:06,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:06,583 INFO L470 AbstractCegarLoop]: Abstraction has 800 states and 2100 transitions. [2022-03-15 17:36:06,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2100 transitions. [2022-03-15 17:36:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:36:06,585 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:06,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:06,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 17:36:06,585 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:06,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:06,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1197015709, now seen corresponding path program 1 times [2022-03-15 17:36:06,590 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:06,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801639047] [2022-03-15 17:36:06,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:06,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:06,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:06,680 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801639047] [2022-03-15 17:36:06,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801639047] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:06,680 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:06,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 17:36:06,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1493200900] [2022-03-15 17:36:06,682 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:06,683 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:06,692 INFO L252 McrAutomatonBuilder]: Finished intersection with 89 states and 177 transitions. [2022-03-15 17:36:06,692 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:07,560 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [165702#(and (or (<= ~ctr1~0 0) (= ~ctr2~0 0)) (or (= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0) (<= ~ctr1~0 0))), 165704#(and (<= 2 ~ctr1~0) (or (= (+ (- 1) ~ctr2~0) 0) (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (or (not (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (= ~ctr2~0 0)) (or (not (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (<= 3 ~ctr1~0))), 165703#(and (or (<= ~ctr1~0 0) (= ~idx~0 0)) (or (<= ~ctr1~0 0) (= ~ctr2~0 0)))] [2022-03-15 17:36:07,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 17:36:07,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:07,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 17:36:07,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-03-15 17:36:07,560 INFO L87 Difference]: Start difference. First operand 800 states and 2100 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:07,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:07,888 INFO L93 Difference]: Finished difference Result 886 states and 2404 transitions. [2022-03-15 17:36:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 17:36:07,888 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 17:36:07,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:07,890 INFO L225 Difference]: With dead ends: 886 [2022-03-15 17:36:07,890 INFO L226 Difference]: Without dead ends: 886 [2022-03-15 17:36:07,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2022-03-15 17:36:07,890 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 155 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:07,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 71 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:36:07,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2022-03-15 17:36:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 728. [2022-03-15 17:36:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 726 states have (on average 2.62534435261708) internal successors, (1906), 727 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1906 transitions. [2022-03-15 17:36:07,900 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1906 transitions. Word has length 23 [2022-03-15 17:36:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:07,900 INFO L470 AbstractCegarLoop]: Abstraction has 728 states and 1906 transitions. [2022-03-15 17:36:07,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1906 transitions. [2022-03-15 17:36:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:36:07,901 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:07,901 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:07,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 17:36:07,901 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:07,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:07,902 INFO L85 PathProgramCache]: Analyzing trace with hash -319405773, now seen corresponding path program 1 times [2022-03-15 17:36:07,902 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:07,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022773518] [2022-03-15 17:36:07,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:08,003 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:08,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022773518] [2022-03-15 17:36:08,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022773518] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:08,003 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:08,003 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 17:36:08,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [150477865] [2022-03-15 17:36:08,004 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:08,005 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:08,013 INFO L252 McrAutomatonBuilder]: Finished intersection with 89 states and 177 transitions. [2022-03-15 17:36:08,013 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:08,966 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [168072#(and (<= 2 ~ctr1~0) (or (= (+ (- 1) ~ctr2~0) 0) (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (or (not (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (= ~ctr2~0 0)) (or (not (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (<= 3 ~ctr1~0))), 168070#(and (or (<= ~ctr1~0 0) (= ~ctr2~0 0)) (or (= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0) (<= ~ctr1~0 0))), 168071#(and (or (<= ~ctr1~0 0) (= ~idx~0 0)) (or (<= ~ctr1~0 0) (= ~ctr2~0 0)))] [2022-03-15 17:36:08,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 17:36:08,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:08,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 17:36:08,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:36:08,967 INFO L87 Difference]: Start difference. First operand 728 states and 1906 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:09,369 INFO L93 Difference]: Finished difference Result 776 states and 2108 transitions. [2022-03-15 17:36:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 17:36:09,369 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 17:36:09,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:09,370 INFO L225 Difference]: With dead ends: 776 [2022-03-15 17:36:09,370 INFO L226 Difference]: Without dead ends: 776 [2022-03-15 17:36:09,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2022-03-15 17:36:09,373 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 168 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:09,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 118 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 17:36:09,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2022-03-15 17:36:09,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 718. [2022-03-15 17:36:09,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 716 states have (on average 2.63268156424581) internal successors, (1885), 717 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1885 transitions. [2022-03-15 17:36:09,402 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1885 transitions. Word has length 23 [2022-03-15 17:36:09,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:09,402 INFO L470 AbstractCegarLoop]: Abstraction has 718 states and 1885 transitions. [2022-03-15 17:36:09,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1885 transitions. [2022-03-15 17:36:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 17:36:09,404 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:09,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:09,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 17:36:09,404 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:09,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:09,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1553628770, now seen corresponding path program 1 times [2022-03-15 17:36:09,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:09,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462394657] [2022-03-15 17:36:09,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:09,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:09,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462394657] [2022-03-15 17:36:09,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462394657] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:09,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:09,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 17:36:09,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [764654491] [2022-03-15 17:36:09,469 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:09,471 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:09,481 INFO L252 McrAutomatonBuilder]: Finished intersection with 85 states and 156 transitions. [2022-03-15 17:36:09,481 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:10,031 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [170316#(or (<= 2 ~ctr2~0) (< |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 1) (<= ~ctr2~0 0)), 170315#(and (<= 2 ~ctr2~0) (or (<= |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| 0) (<= 3 ~ctr2~0))), 170313#(and (<= 1 ~ctr2~0) (= ~idx~0 0)), 170314#(and (= |qrcu_updaterThread1of1ForFork0_#t~post16#1| 0) (= ~idx~0 0))] [2022-03-15 17:36:10,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 17:36:10,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:10,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 17:36:10,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:36:10,031 INFO L87 Difference]: Start difference. First operand 718 states and 1885 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:10,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:10,341 INFO L93 Difference]: Finished difference Result 910 states and 2429 transitions. [2022-03-15 17:36:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 17:36:10,342 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-03-15 17:36:10,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:10,343 INFO L225 Difference]: With dead ends: 910 [2022-03-15 17:36:10,343 INFO L226 Difference]: Without dead ends: 578 [2022-03-15 17:36:10,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-03-15 17:36:10,343 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 237 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:10,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 170 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 17:36:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-03-15 17:36:10,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 462. [2022-03-15 17:36:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 460 states have (on average 2.5630434782608695) internal successors, (1179), 461 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 1179 transitions. [2022-03-15 17:36:10,349 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 1179 transitions. Word has length 28 [2022-03-15 17:36:10,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:10,349 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 1179 transitions. [2022-03-15 17:36:10,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1179 transitions. [2022-03-15 17:36:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 17:36:10,350 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:10,350 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:10,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 17:36:10,350 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:10,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:10,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1230538085, now seen corresponding path program 1 times [2022-03-15 17:36:10,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:10,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381321949] [2022-03-15 17:36:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:10,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:10,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:10,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381321949] [2022-03-15 17:36:10,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381321949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:10,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:10,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 17:36:10,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [17918069] [2022-03-15 17:36:10,394 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:10,396 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:10,435 INFO L252 McrAutomatonBuilder]: Finished intersection with 94 states and 182 transitions. [2022-03-15 17:36:10,435 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:11,033 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [172168#(and (or (= ~ctr2~0 0) (< 0 |qrcu_reader2Thread1of1ForFork2_~myidx~1#1|)) (or (= (+ (- 1) ~ctr2~0) 0) (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)))] [2022-03-15 17:36:11,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:36:11,033 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:11,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:36:11,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:36:11,034 INFO L87 Difference]: Start difference. First operand 462 states and 1179 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:11,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:11,167 INFO L93 Difference]: Finished difference Result 506 states and 1320 transitions. [2022-03-15 17:36:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:36:11,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-03-15 17:36:11,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:11,168 INFO L225 Difference]: With dead ends: 506 [2022-03-15 17:36:11,168 INFO L226 Difference]: Without dead ends: 462 [2022-03-15 17:36:11,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-15 17:36:11,169 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 65 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:11,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 71 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:36:11,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-03-15 17:36:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 428. [2022-03-15 17:36:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 426 states have (on average 2.551643192488263) internal successors, (1087), 427 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 1087 transitions. [2022-03-15 17:36:11,173 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 1087 transitions. Word has length 28 [2022-03-15 17:36:11,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:11,174 INFO L470 AbstractCegarLoop]: Abstraction has 428 states and 1087 transitions. [2022-03-15 17:36:11,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1087 transitions. [2022-03-15 17:36:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 17:36:11,174 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:11,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:11,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 17:36:11,175 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1885622335, now seen corresponding path program 2 times [2022-03-15 17:36:11,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:11,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554966849] [2022-03-15 17:36:11,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:11,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:11,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:11,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554966849] [2022-03-15 17:36:11,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554966849] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:11,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:11,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 17:36:11,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1245339188] [2022-03-15 17:36:11,243 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:11,246 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:11,256 INFO L252 McrAutomatonBuilder]: Finished intersection with 89 states and 170 transitions. [2022-03-15 17:36:11,256 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:11,737 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [173544#(and (or (<= 2 ~ctr2~0) (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (<= 1 ~ctr2~0))] [2022-03-15 17:36:11,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:36:11,737 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:11,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:36:11,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:36:11,738 INFO L87 Difference]: Start difference. First operand 428 states and 1087 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:11,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:11,904 INFO L93 Difference]: Finished difference Result 600 states and 1556 transitions. [2022-03-15 17:36:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 17:36:11,904 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-03-15 17:36:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:11,905 INFO L225 Difference]: With dead ends: 600 [2022-03-15 17:36:11,905 INFO L226 Difference]: Without dead ends: 340 [2022-03-15 17:36:11,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-03-15 17:36:11,905 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 59 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:11,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 114 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:36:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2022-03-15 17:36:11,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 332. [2022-03-15 17:36:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 330 states have (on average 2.415151515151515) internal successors, (797), 331 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 797 transitions. [2022-03-15 17:36:11,909 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 797 transitions. Word has length 28 [2022-03-15 17:36:11,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:11,909 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 797 transitions. [2022-03-15 17:36:11,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 797 transitions. [2022-03-15 17:36:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 17:36:11,910 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:11,910 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:11,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 17:36:11,910 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:11,910 INFO L85 PathProgramCache]: Analyzing trace with hash 9808097, now seen corresponding path program 3 times [2022-03-15 17:36:11,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:11,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492131677] [2022-03-15 17:36:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:11,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:11,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:11,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492131677] [2022-03-15 17:36:11,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492131677] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:11,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:11,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 17:36:11,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [896981744] [2022-03-15 17:36:11,958 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:11,961 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:11,972 INFO L252 McrAutomatonBuilder]: Finished intersection with 101 states and 188 transitions. [2022-03-15 17:36:11,972 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:13,051 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [174823#(and (or (<= 1 ~ctr2~0) (< 0 |qrcu_reader2Thread1of1ForFork2_~myidx~1#1|)) (or (= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0) (< 0 |qrcu_reader2Thread1of1ForFork2_~myidx~1#1|))), 174820#(and (or (= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0) (< 0 ~idx~0)) (or (< 0 ~idx~0) (= ~ctr2~0 0))), 174824#(and (or (< 0 ~idx~0) (<= 1 ~ctr2~0)) (or (< 0 ~idx~0) (= ~idx~0 0))), 174821#(and (or (<= 2 ~ctr2~0) (<= |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| 0)) (<= 1 ~ctr2~0)), 174822#(or (<= 1 ~ctr2~0) (< 0 |qrcu_reader2Thread1of1ForFork2_~myidx~1#1|))] [2022-03-15 17:36:13,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 17:36:13,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:13,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 17:36:13,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:36:13,052 INFO L87 Difference]: Start difference. First operand 332 states and 797 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:13,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:13,408 INFO L93 Difference]: Finished difference Result 352 states and 877 transitions. [2022-03-15 17:36:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 17:36:13,408 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-03-15 17:36:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:13,409 INFO L225 Difference]: With dead ends: 352 [2022-03-15 17:36:13,409 INFO L226 Difference]: Without dead ends: 184 [2022-03-15 17:36:13,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-03-15 17:36:13,410 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 114 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:13,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 117 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:36:13,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-03-15 17:36:13,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2022-03-15 17:36:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 2.4685714285714284) internal successors, (432), 175 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 432 transitions. [2022-03-15 17:36:13,412 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 432 transitions. Word has length 28 [2022-03-15 17:36:13,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:13,412 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 432 transitions. [2022-03-15 17:36:13,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 432 transitions. [2022-03-15 17:36:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 17:36:13,413 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:36:13,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:13,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 17:36:13,413 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:36:13,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:36:13,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2009823322, now seen corresponding path program 2 times [2022-03-15 17:36:13,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:36:13,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185914626] [2022-03-15 17:36:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:36:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:36:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:36:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:36:13,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:36:13,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185914626] [2022-03-15 17:36:13,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185914626] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:36:13,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:36:13,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 17:36:13,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1667717947] [2022-03-15 17:36:13,499 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:36:13,501 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:36:13,510 INFO L252 McrAutomatonBuilder]: Finished intersection with 60 states and 98 transitions. [2022-03-15 17:36:13,510 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:36:13,644 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:36:13,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:36:13,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:36:13,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:36:13,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:36:13,645 INFO L87 Difference]: Start difference. First operand 176 states and 432 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:13,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:36:13,754 INFO L93 Difference]: Finished difference Result 160 states and 419 transitions. [2022-03-15 17:36:13,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 17:36:13,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-03-15 17:36:13,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:36:13,755 INFO L225 Difference]: With dead ends: 160 [2022-03-15 17:36:13,755 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 17:36:13,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-15 17:36:13,755 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 38 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:36:13,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 36 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:36:13,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 17:36:13,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 17:36:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 17:36:13,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-03-15 17:36:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:36:13,756 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 17:36:13,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:36:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 17:36:13,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 17:36:13,758 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-03-15 17:36:13,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-03-15 17:36:13,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 17:36:13,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-03-15 17:36:13,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-03-15 17:36:13,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-03-15 17:36:13,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-03-15 17:36:13,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 17:36:13,761 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:36:13,763 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 17:36:13,763 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 17:36:13,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 05:36:13 BasicIcfg [2022-03-15 17:36:13,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 17:36:13,765 INFO L158 Benchmark]: Toolchain (without parser) took 29223.83ms. Allocated memory was 218.1MB in the beginning and 892.3MB in the end (delta: 674.2MB). Free memory was 191.8MB in the beginning and 603.3MB in the end (delta: -411.4MB). Peak memory consumption was 262.4MB. Max. memory is 8.0GB. [2022-03-15 17:36:13,765 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory was 180.5MB in the beginning and 180.4MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 17:36:13,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.44ms. Allocated memory is still 218.1MB. Free memory was 191.8MB in the beginning and 179.6MB in the end (delta: 12.2MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2022-03-15 17:36:13,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.44ms. Allocated memory is still 218.1MB. Free memory was 179.6MB in the beginning and 176.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 17:36:13,766 INFO L158 Benchmark]: Boogie Preprocessor took 23.30ms. Allocated memory is still 218.1MB. Free memory was 176.5MB in the beginning and 175.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 17:36:13,766 INFO L158 Benchmark]: RCFGBuilder took 586.61ms. Allocated memory is still 218.1MB. Free memory was 174.9MB in the beginning and 141.5MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-03-15 17:36:13,766 INFO L158 Benchmark]: TraceAbstraction took 28147.52ms. Allocated memory was 218.1MB in the beginning and 892.3MB in the end (delta: 674.2MB). Free memory was 140.9MB in the beginning and 603.3MB in the end (delta: -462.4MB). Peak memory consumption was 212.3MB. Max. memory is 8.0GB. [2022-03-15 17:36:13,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory was 180.5MB in the beginning and 180.4MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 404.44ms. Allocated memory is still 218.1MB. Free memory was 191.8MB in the beginning and 179.6MB in the end (delta: 12.2MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.44ms. Allocated memory is still 218.1MB. Free memory was 179.6MB in the beginning and 176.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.30ms. Allocated memory is still 218.1MB. Free memory was 176.5MB in the beginning and 175.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 586.61ms. Allocated memory is still 218.1MB. Free memory was 174.9MB in the beginning and 141.5MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 28147.52ms. Allocated memory was 218.1MB in the beginning and 892.3MB in the end (delta: 674.2MB). Free memory was 140.9MB in the beginning and 603.3MB in the end (delta: -462.4MB). Peak memory consumption was 212.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 175 PlacesBefore, 63 PlacesAfterwards, 183 TransitionsBefore, 67 TransitionsAfterwards, 9890 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 84 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 139 TotalNumberOfCompositions, 22661 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11836, positive: 11474, positive conditional: 0, positive unconditional: 11474, negative: 362, negative conditional: 0, negative unconditional: 362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5197, positive: 5096, positive conditional: 0, positive unconditional: 5096, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11836, positive: 6378, positive conditional: 0, positive unconditional: 6378, negative: 261, negative conditional: 0, negative unconditional: 261, unknown: 5197, unknown conditional: 0, unknown unconditional: 5197] , Statistics on independence cache: Total cache size (in pairs): 579, Positive cache size: 541, Positive conditional cache size: 0, Positive unconditional cache size: 541, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 712]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 719]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 269 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 28.0s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3540 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3540 mSDsluCounter, 2168 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5725 mSDsCounter, 743 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11480 IncrementalHoareTripleChecker+Invalid, 12223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 743 mSolverCounterUnsat, 544 mSDtfsCounter, 11480 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1209 GetRequests, 919 SyntacticMatches, 35 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4840occurred in iteration=9, InterpolantAutomatonStates: 240, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 9088 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 529 ConstructedInterpolants, 0 QuantifiedInterpolants, 2897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 17:36:13,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...